DF40 HIROSE | Alldatasheet

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Technical content

0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector Feb. 2024 Product Page https://www.hirose.com/en/product/series/DF40

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector

Features

  1. High Density Mounting This is a space-saving design that minimizes connector depth while ensuring an vacuum pick & place area that does not affect mountability. The smallest depth in it's class : 3.38mm Conventional Product DF40 3.38mm 5.0mm Space-Saving 18.6mm 80pos, 0.4mm Pitch, 1.5mm Height Space-Saving 2. Wide Stacking Height Variations A wide variety of height variations, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0mm with the space-saving design. 3. High Contact Reliability 0.45mm of world's largest effective mating length for 1.5mm mated height. It has a good click feeling which is effective for preventing incomplete mating, and lock design is installed for small No. of pos. with weak mating force to prevent disconnection. Locking Design (10 to 50 pos.) High Contact Reliability - Effective Mating Length 0.45mm 1.5 to 4.0mm Shock Absorbing Ribs 0.45mm 4. Robust Design with Shock Absorbing Ribs Ribs provided on both connectors fit in when mated to absorb stress at impact.

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector 5. Wide Self Alignment Range Guide ribs utilizing dead space ensure 0.33mm in single X and Y directions. かん合セルフアライメント量:単一XY 軸方向に±0.33mm ±0.33mm ガイドリブ Mating Self Alignment Range : ±0.33mm in Single XY directions X directionX direction Y direction Guide Ribs 6. Supports USB4 Gen.2 (20Gbps) transmission Only H=1.5mm type is compatible with Type-C signal transmission. 7. Solder Wicking Prevention The receptacle has a nickel barrier and the plug has the insert molded design to prevent soldering. 8. Mated Design Protects Contacts Both connectors contact parts are walled to prevent splashes such as flux from adhering to the contacts. 9. Compliant with RoHS In consideration of environmental issues, we do not use substances prohibited by RoHS Directive. 10. High-Speed Signal Support, Noise Prevention We also have a shielded type that can support high-speed signal and prevent noise.

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector Stacking Height Variation Standard Type Stacking Height No. of Pos. 10 ○ - ○ - - - 12 ○ ○ - - - - 20 ○ ○ ○ - ○ - 24 ○ ○ - - - - 34 ○ - - - - - 44 - ○ - ○ - - 70 ○ ○ - ○ - - 90 ○ - - ○ - ○ 100 ○ - - ○ - - 120 ○ - - - - - Shielded Type Stacking Height No. of Pos. 1.5mm 3.0mm 3.5mm 10 ○ - - 30 ○ - - 36 - - ○ 48 ○ ○ - 70 - ○ -

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector Product Specifications Rated Current 0.3A ( Note 1) Operating Temperature (Note 2) -55 to +85℃ Rated Voltage 50V AC/DC Operating Humidity Range 20 to 80% Storage Temperature (Note 3) -10 to +60℃ Storage Humidity Range (Note 3) 40 to 70% Item Specifications Conditions Insulation Resistance 50MΩ Min. Measured at 100V DC Withstanding Voltage No Flashover or Breakdown 150V AC for 1 min. Contact Resistance 90mΩ Max. Measured at 20 m V AC, 1kHz, 1mA Vibration Resistance No electrical discontinuity of 1μs or more. Frequency 10 to 55Hz, single amplitude of 0.75mm, 2 hours each of 3-axis direction Moisture Resistance Contact Resistance : 90mΩ Max. Insulation Resistance : 25MΩ Min. Temperature : 40± 2℃ , Humidity : 90 to 95%, Left for 96 hours Temperature Cycles Contact Resistance : 90mΩ Max. Insulation Resistance : 50MΩ Min. min. → +5 to +35℃ : 10 min.)5 cycles Mating Durability Contact Resistance : 90mΩ Max. 30 times Solder Heat Resistance No dissolution or resin melting that will affect performance. Reflow : According to the Recommended Temperature Profile Hand Soldering : 350℃ within 3 sec. Note 1 : The rated current for 120pos. is 0.25A. Note 2 : Includes temperature rise caused by current flow. Note 3 : Storage refers to the long-term storage condition for unused products before the board mounting. Operating temperature and humidity range apply when the product is not powered after PCB mounting and when temporarily stored during transportation. Materials / Finish Standard, Non Shielded Type Product Component Material Color / Finish Remarks Receptacle Housing LCP Black UL94V-0 Contact Phosphorous Bronze Gold Plating - Plug Housing LCP Black UL94V-0 Contact Phosphorous Bronze Gold Plating - Shielded Type Product Component Material Color / Finish Remarks Receptacle Housing LCP Black UL94V-0 Contact Phosphorous Bronze Gold Plating Shield - Plug Housing LCP Black UL94V-0 Contact Phosphorous Bronze Gold Plating Retention Tab -

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector ❶ Series Name DF40 ❺ Connector Type DS : Double Row Receptacle ❷ Shape Symbol B : Retention Tab HB : Retention Tab (Stacking Height 2.5mm Min.) C : No Retention Tab HC : No Retention Tab (Stacking Height 2.5mm Min.) ❻ Contact Pitch 0.4mm ❸ Stacking Height None : 1.5mm 2.0 : 2.0mm 2.5 : 2.5mm 3.0 : 3.0mm 3.5 : 3.5mm 4.0 : 4.0mm ❼ Contact Type V : Straight SMT ❹ No. of Pos. 10, 12, 20, 24, 30, 34, 36, 40, 44, 48, 50, 60, 70, 80, 90, 100, 120 ❽ Packaging Type (51) : Embossed Packaging (58) : Embossed Packaging

  • Plug ❶ ❷ ❸ ❹ ❺ ❻ ❼ ❶ Series Name DF40 ❺ Contact Pitch 0.4mm ❷ Shape Symbol C : No Retention Tab ❻ Contact Type V : Straight SMT ❸ No. of Pos. 10, 12, 20, 24, 30, 34, 36, 40, 44, 48, 50, 60, 70, 80, 90, 100, 120 ❼ Packaging Type (51) : Embossed Packaging (58) : Embossed Packaging ❹ Connector Type DP : Double Row Plug Product Number Structure Refer to the chart below when determining the product specifications from the product number. Please select from the product numbers listed in this catalog when placing orders. ■ Standard, Non Shielded Type
  • Receptacle ❶ ❷ ❸ ❹ ❺ ❻ ❼ ❽

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector ■ Shielded Type

  • Receptacle ❶ ❷ ❸ ❹ ❺ ❻ ❼ ❽ ❶ Series Name DF40 ❺ Connector Type DS : Double Row Receptacle ❷ Shape Symbol GB : With Shield ❻ Contact Pitch 0.4mm ❸ Stacking Height 1.5 : 1.5mm 3.0 : 3.0mm ❼ Contact Type V : Straight SMT ❹ No. of Pos. 10, 30, 36, 48, 70 ❽ Packaging Type (51) : Embossed Packaging (58) : Embossed Packaging
  • Plug DF40 GB - # DP - 0.4 V (##) ❶ ❷ ❸ ❹ ❺ ❻ ❼ ❶ Series Name DF40 ❺ Contact Pitch 0.4mm ❷ Shape Symbol GB : Retention Tab (For Shielded Type) ❻ Contact Type V : Straight SMT ❸ No. of Pos. 10, 30, 36, 48, 70 ❼ Packaging Type (51) : Embossed Packaging (58) : Embossed Packaging ❹ Connector Type DP : Double Row Plug

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector Receptacle Stacking Height 1.5mm A±0.2 B±0.08 P=0.4±0.05 3.38±0.2 2.88±0.2 0.12±0.02 Vacuum Pick & Place Area : C±0.2 D±0.15 Recommended PCB Pattern 1.2±0.02 1.5 Max. 1.5 Max. B±0.02B±0.02 DF40B (Retention Tab)DF40C (No Retention Tab) P=0.4±0.02 0.2±0.02 3.78 +0.05 2.38 0 -0.05 3.78 +0.05 2.38 0 -0.05 P=0.4±0.02 0.2±0.02 Part No. HRS No. No. of Pos. A B C D Purchase Unit (##):(51) Purchase Unit (##):(58) 1.0 1.45 ○ ○ 3.2 ○ - 3.2 ○ ○ Unit : mm 【Specification Number】 (51) : Embossed Packaging (5,000pcs per reel) (58) : Embossed Packaging (1,000pcs per reel) Note 1 : Please order embossed tape packaged items by the reel. Note 2 : The 60 pos. or more have recesses on the suction surface that do not affect suction. Note 3 : is insulation area. Note 4 : This connector has no polarity.

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector Stacking Height 2.0mm A±0.2 B±0.08 P=0.4±0.05 3.38±0.2 2.94±0.2 0.12±0.02 D±0.15 Vacuum Pick & Place Area : C±0.2 Recommended PCB Pattern 0.2±0.02 0.2±0.02 1.5 Max. 3.78 +0.05 2.38 0 -0.05 1.5 Max. 3.78 +0.05 2.38 0 -0.05 DF40B (Retention Tab)DF40C (No Retention Tab) Part No. HRS No. No. of Pos. A B C D Purchase Unit (##):(51) Purchase Unit (##):(58) 1.95 ○ ○ 3.2 ○ ○ Unit : mm 【Specification Number】 (51) : Embossed Packaging (4,000pcs per reel) (58) : Embossed Packaging (1,000pcs per reel) Note 1 : Please order embossed tape packaged items by the reel. Note 2 : The 60 pos. or more have recesses on the suction surface that do not affect suction. Note 3 : is insulation area. Note 4 : This connector has no polarity.

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector Stacking Height 2.5 to 4.0mm A±0.2 B±0.08 D±0.15 P=0.4±0.05 3.38±0.2 2.94±0.2 0.12±0.02 Vacuum Pick & Place Area : C±0.2 Recommended PCB Pattern DF40HB (Retention Tab)DF40HC (No Retention Tab) B±0.02 P=0.4±0.02 B±0.02 P=0.4±0.02 0.2±0.020.2±0.02 1.2±0.02 0.92 Max. 3.78 +0.05 2.38 0 -0.05 1.5 Max. 3.78 +0.05 2.38 0 -0.05 Stacking Height 2.5mm Part No. HRS No. No. of Pos. A B C D Purchase Unit (##):(51) Purchase Unit (##):(58) 1.0 2.4 〇 - 3.2 〇 〇 Unit : mm 【Specification Nmber】 (51) : Embossed Packaging (3,000pcs per reel) (58) : Embossed Packaging (1,000pcs per reel) Stacking Height 3.0mm Part No. HRS No. No. of Pos. A B C D Purchase Unit (##):(51) Purchase Unit (##):(58) 2.9 〇 〇 3.2 〇 - Unit : mm 【Specification Nmber】 (51) : Embossed Packaging (3,000pcs per reel) (58) : Embossed Packaging (1,000pcs per reel)

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector Stacking Height 3.5mm Part No. HRS No. No. of Pos. A B C D Purchase Unit (##):(51) Purchase Unit (##):(58) 3.4 〇 - 3.2 〇 - Unit : mm 【Specification Nmber】 (51) : Embossed Packaging (2,000pcs per reel) (58) : Embossed Packaging (1,000pcs per reel) Stacking Height 4.0mm Part No. HRS No. No. of Pos. A B C D Purchase Unit (##):(51) Purchase Unit (##):(58) 3.2 3.9 〇 ー Unit : mm 【Specification Nmber】 (51) : Embossed Packaging (2,000pcs per reel) (58) : Embossed Packaging (1,000pcs per reel) Note 1 : Please order embossed tape packaged items by the reel. Note 2 : The 60 pos. or more have recesses on the suction surface that do not affect suction. Note 3 : is insulation area. Note 4 : This connector has no polarity.

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector Vacuum Pick & Place Area : 1.5±0.2 9.2±0.08 3.2±0.08 10.08±0.1 12.24±0.3 <30 pos.> <48 pos.> Vacuum Pick & Place Area : 3.2±0.2 8.64±0.3 6.48±0.1 5.6±0.08 P=0.4±0.05 3.38±0.31.45±0.15 3.12±0.2 0.2±0.02 0.12±0.02 3.12±0.2 1.45±0.15 0.2±0.02 0.12±0.02 0.12±0.02 P=0.4±0.05 3.38±0.3 Recommended PCB Pattern 6.48 ±0.02 5.6±0.02 3.2±0.02 10.08±0.02 9.2±0.02 1.5 Max. 3.78 +0.05 2.38 0 -0.05 3.78 +0.05 2.38 0 -0.05 4.08 +0.05 1.5 Max. 4.08 +0.05 2.64 -0.05 4.08 +0.05 2.64 -0.05 0.2±0.02 <30 pos.> <48 pos.> Part No. HRS No. No. of Pos. Signal PIN Ground PIN Purchase Unit (##):(51) Purchase Unit (##):(58) Unit : mm 【Specification Nmber】 (51) : Embossed Packaging (5,000pcs per reel) (58) : Embossed Packaging (1,000pcs per reel) Note 1 : Please order embossed tape packaged items by the reel. Note 2 : is insulation area. Note 3 : This connector has no polarity. Receptacle (With Shield) Stacking Height 1.5mm (With Shield)

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector Stacking Height 3.0 to 3.5mm (With Shield) 10.08±0.1 3.2±0.08 0.2±0.02 9.2±0.08 3.38±0.3 <48 pos.> <70 pos.> P=0.4±0.05 3.38±0.3 Vacuum Pick & Place Area : 3.2±0.2 3.12±0.2 3.12±0.2 3.38±0.2 3.68±0.2 Vacuum Pick & Place Area : 3.2±0.2 0.12±0.02 2.9±0.15 P=0.4±0.05 0.12±0.02 16.64±0.3 13.6±0.08 9.2±0.08 3.6±0.08 12.24±0.3 Recommended PCB Pattern 4.08 +0.05 2.64 -0.05 10.08±0.02 9.2±0.02 3.2±0.02 4.08 +0.05 2.64 -0.05 4.08 +0.05 2.38 -0.05 3.78 +0.05 4.08 +0.05 2.38 -0.05 3.78 +0.05 1.5 Max. 1.5 Max. 0.2±0.02 0.6±0.02 P=0.4±0.02 0.6±0.020.6±0.02 4.08 +0.05 2.64 -0.05 0.28±0.02 14.48±0.02 13.6±0.02 9.2±0.02 3.6±0.02 <48 pos.> <70 pos.> Stacking Height 3.0mm Part No. HRS No. No. of Pos. Signal PIN Ground PIN Purchase Unit (##):(51) Purchase Unit (##):(58) Unit : mm Stacking Height 3.5mm Part No. HRS No. No. of Pos. Signal PIN Ground PIN Purchase Unit (##):(51) Purchase Unit (##):(58) Unit : mm 【Specification Nmber】 (51) : Embossed Packaging (3,000pcs per reel) (58) : Embossed Packaging (1,000pcs per reel) Note 1 : Please order embossed tape packaged items by the reel. Note 2 : The 70 pos. or more have recesses on the suction surface that do not affect suction. Note 3 : is insulation area. Note 4 : This connector has no polarity.

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector Plug A±0.2 B±0.08 P=0.4±0.05 2.97±0.2 1.85±0.2 0.15±0.02 1.14±0.15 Vacuum Pick & Place Area : C±0.2 Recommended PCB Pattern B±0.02 3.37 +0.05 2.05 0 -0.05 0.65±0.02 Part No. HRS No. No. of Pos. A B C Purchase Unit (##):(51) Purchase Unit (##):(58) 1.0 〇 〇 3.2 〇 〇 DF40C-100DP-0.4V(##) CL0684-4032-1-## 100 21.52 19.6 〇 〇 Unit : mm 【Specification Nmber】 (51) : Embossed Packaging (5,000pcs per reel) (58) : Embossed Packaging (1,000pcs per reel) Note 1 : Please order embossed tape packaged items by the reel. Note 2 : There are no concave areas on plug side contact part to increase the mating strength for 60 pos. or more. Note 3 : Use the 4 corner contact as a retention tab. It will not be energized. Note 4 : The 90 pos. or more have recesses on the suction surface that do not affect suction. Note 5 : This connector has no polarity.

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector A±0.3 B±0.1 C±0.08 P=0.4±0.05 0.15±0.02 0.08±0.02 1.52±0.2 1.14±0.15 2.97±0.2 2.02±0.2 1.85±0.2 Vacuum Pick & Place Area : C±0.2 Recommended PCB Pattern F -0.05 E -0.05 D+0.05 3.32 +0.05 1.88 2.05 1.02 0 -0.05 2.42 +0.05 3.37 0.23±0.02 B±0.02 -0.05 C±0.02 -0.05 +0.05 Part No. HRS No. No. of Pos. A B C D E F G Purchase Unit (##):(51) Purchase Unit (##):(58) 3.2 〇 〇 Unit : mm 【Specification Nmber】 (51) : Embossed Packaging (5,000pcs per reel) (58) : Embossed Packaging (1,000pcs per reel) Note 1 : Please order embossed tape packaged items by the reel. Note 2 : There are no concave areas on plug side contact part to increase the mating strength for 60 pos. or more. Note 3 : is insulation area. Note 4 : This connector has no polarity. Plug (With Shield)

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector Packaging Specifications Diagram (JIS C 0806 Compliant) Receptacle (Stacking Height 1.5mm) Unreeling Direction φ1.5 Feed Hole Back Label

  • Embossed Tape Dimensions ●Reel Dimensions Stacking Height 1.5mm Part No. A B C D E DF40B-10DS-0.4V(##) 7.5 21.5 17.5 DF40B-12DS-0.4V(##) DF40B-30DS-0.4V(##) DF40B-60DS-0.4V(##) DF40C-20DS-0.4V(##) 7.5 21.5 17.5 DF40C-24DS-0.4V(##) DF40C-30DS-0.4V(##) 24 11.5 29.5 25.5 DF40C-34DS-0.4V(##) DF40C-40DS-0.4V(##) DF40C-50DS-0.4V(##) DF40C-60DS-0.4V(##) DF40C-70DS-0.4V(##) 32 28.4 14.2 37.5 33.5 DF40C-80DS-0.4V(##) DF40C-90DS-0.4V(##) DF40C-120DS-0.4V(##) DF40GB(1.5)-30DS-0.4V(##) 24 - 11.5 29.5 25.5 DF40GB(1.5)-48DS-0.4V(##) Unit : mm Note : The hole of the carrier tape for 10 to 60pos. is only one side.

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector Receptacle (Stacking Height 2.0 to 2.5mm) φ1.5 Feed Hole Back

  • Embossed Tape Dimensions ●Reel Dimensions Label Unreeling Direction Stacking Height 2.0mm Part No. A B C D E F 2.2 DF40C(2.0)-20DS-0.4V(##) 7.5 21.5 17.5 DF40C(2.0)-24DS-0.4V(##) DF40C(2.0)-30DS-0.4V(##) 24 11.5 29.5 25.5 DF40C(2.0)-40DS-0.4V(##) DF40C(2.0)-50DS-0.4V(##) DF40C(2.0)-60DS-0.4V(##) DF40C(2.0)-70DS-0.4V(##) 32 28.4 14.2 37.5 33.5 DF40C(2.0)-80DS-0.4V(##) Unit : mm Stacking Height 2.5mm Part No. A B C D E F DF40HB(2.5)-10DS-0.4V(##) 7.5 21.5 17.5 2.72 DF40HC(2.5)-20DS-0.4V(##) DF40HC(2.5)-30DS-0.4V(##) 24 11.5 29.5 25.5 DF40HC(2.5)-40DS-0.4V(##) DF40HC(2.5)-50DS-0.4V(##) DF40HC(2.5)-60DS-0.4V(##) Unit : mm Note : The hole of the carrier tape for 10 to 60pos. is only one side.

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector Receptacle (Stacking Height 3.0 to 4.0mm) φ1.5 Feed Hole Back Label Unreeling Direction

  • Embossed Tape Dimensions ●Reel Dimensions Stacking Height 3.0mm Part No. A B C D E F DF40HC(3.0)-30DS-0.4V(##) 24 - 11.5 29.5 25.5 3.15 DF40HC(3.0)-40DS-0.4V(##) DF40HC(3.0)-44DS-0.4V(##) DF40HC(3.0)-50DS-0.4V(##) DF40HC(3.0)-60DS-0.4V(##) DF40HC(3.0)-70DS-0.4V(##) 32 28.4 14.2 37.5 33.5 DF40HC(3.0)-80DS-0.4V(##) DF40HC(3.0)-90DS-0.4V(##) 44 40.4 20.2 49.5 45.5 DF40HC(3.0)-100DS-0.4V(##) Unit : mm Stacking Height 3.5mm Part No. A B C D E F DF40HC(3.5)-20DS-0.4V(##) 16 7.5 21.5 17.5 3.72 DF40HC(3.5)-30DS-0.4V(##) 24 11.5 29.5 25.5 DF40HC(3.5)-40DS-0.4V(##) DF40HC(3.5)-50DS-0.4V(##) DF40HC(3.5)-60DS-0.4V(##) Unit : mm

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector Stacking Height 4.0mm Part No. A B C D E F DF40HB(4.0)-50DS-0.4V(##) 24 - 11.5 29.5 25.5 4.15 DF40HC(4.0)-40DS-0.4V(##) DF40HC(4.0)-50DS-0.4V(##) DF40HC(4.0)-60DS-0.4V(##) Unit : mm

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector Part No. A B C D E DF40C-10DP-0.4V(##) 5.5 17.5 13.5 DF40C-12DP-0.4V(##) DF40C-20DP-0.4V(##) DF40C-30DP-0.4V(##) DF40C-34DP-0.4V(##) 24 11.5 29.5 25.5 DF40C-40DP-0.4V(##) DF40C-44DP-0.4V(##) DF40C-50DP-0.4V(##) DF40C-60DP-0.4V(##) DF40C-70DP-0.4V(##) 32 28.4 14.2 37.5 33.5 DF40C-80DP-0.4V(##) DF40C-90DP-0.4V(##) DF40C-120DP-0.4V(##) DF40GB-10DP-0.4V(##) 12 5.5 17.5 13.5 DF40GB-36DP-0.4V(##) DF40GB-70DP-0.4V(##) Unit : mm Note : The hole of the carrier tape for 10 to 60pos. is only one side. Plug Label φ1.5 Feed Hole Back Unreeling Direction

  • Embossed Tape Dimensions ●Reel Dimensions

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector Precautions Recommended Temperature Profile 60sec. Max. 100 150 200 250 Heating Time(sec.) Temperature(℃) 0 100 150 200 25050 Normal Temperature 300 90 to 120sec. 180℃ 250℃ 220℃ 150℃ 【Conditions】 1. Peak Temperature : 250℃ 2. Heating : 220℃ Min. for 60 sec. Max. 3. Preheating : 150 to 180℃, 90 to 120 sec. 4. Number of Reflow Cycles : 2 cycles Max. * Temperature refers to the surface temperature of the board near the connector lead. We recommend reflow mounting in a nitrogen environment. Recommended Manual Soldering Conditions Soldering iron temperature : 340 ± 10℃ , Soldering Time : Within 3 sec. Recommended Metal Mask Thickness and Open Area to PCB Pattern (Area Ratio) Thickness : 0.12mm, Aperture Ratio : DS 80% DP 80% Board Warpage Max. of 0.02mm at the center in reference to both ends of the connector Cleaning Cleaning is not recommended. If you clean this product, please evaluate its performance before using it. (Cleaning may impair the mating/unmating properties and lower resistance to environmental factors.) Precautions ■ Be careful when mating/unmating the connector when it is not mounted on the PCB as it may cause damage/ deformation to contacts. ■ Avoid supporting the PCB only with the connectors. Support it by other means such as bolts, screws, posts, etc. ■ Excessive prying during unmating/mating may result in damage. ■ In the case of hand soldering, please do not apply any flux which could cause flux wicking. ■ This product may have slight color differences due to production lot variability, but this does not affect the performance. ■ Please refer to the following page for handling precautions when inserting and removing. ■ Because the product can disengage if dropped (or other impact), or by FPC routing, it is advised to secure the mated connectors to the board with housings and cushioning materials.

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector Handling Precautions for Connector Insertion DF40#-#DS-0.4V DF40#-#DS-0.4V When aligned in, it should drop one step and become parallel, and should be mated parallel from the point where it no longer moves back and forth or side to side. When aligning, look for the entrances without applying excessive force. Please note that applying excessive force may cause broken and shaving of the mold, which may lead to malfunctions of contact resistance

DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector Handling Precautions for Connector Removal When removing the connector, it is better to pull it out in parallel. Pitch Direction Width Direction Corner Direction DF40#-#DS-0.4V DF40#-#DP-0.4V If parallel extraction is not possible due to handling, remove diagonally from the pitch direction as shown on the left. However, if the FPC is not rigid enough, it may be a defect that causes contact to come out or the connector to break, so please check it when making a prototype. Also, do not pull out from the corner direction as it will put a heavy load on contact. As shown on the left, do not remove the connector from the width direction as it may damage the connector.

2-6-3,Nakagawa Chuoh,Tsuzuki-Ku,Yokohama-Shi 224-8540,JAPAN https://www.hirose.com HIROSE ※ The HRS logo and "HIROSE" are trademarks of HIROSE ELECTRIC CO., LTD. DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector If the rigidity of the FPC is low, the terminal may come out. Receptacle FPC Plug Receptacle FPC Plug If you use a less rigid FPC to mounting receptacle side to the FPC, there is a risk that contact will fall out. We recommend mounting the plug side on the FPC side. If you need to mounting the receptacle to the FPC side, please request an FPC stiffness evaluation. Even when the plug side is mounted on the FPC, if the rigidity of the FPC is low, the connector may break as shown on the left. Please use the FPC after checking its repetitive operation. FPC stiffness and evaluation results of each item are available for your request.

2-6-3,Nakagawa Chuoh,Tsuzuki-Ku,Yokohama-Shi 224-8540,JAPAN https://www.hirose.com HIROSE ※ The HRS logo and "HIROSE" are trademarks of HIROSE ELECTRIC CO., LTD. ※The contents of this catalog are current as of date of 2/2024. Contents are subject to change without notice for the purpose of improvements. DF40 Series/0.4mm Pitch, 1.5 to 4.0mm Height, Board-to-Board/FPC-to-Board Connector While Taking into Consideration Specifications mentioned in this catalog are reference values. When considering to order or use this product, please review the Drawing and Product Specifications sheets. Use an appropriate cable when using the connector in combination with cables. If considering usage of a non-specified cable, please contact your sales representative. If assembly process is done by jigs & tools which are not identified by Hirose, the warranty of the product may be affected. If considering usage for below mentioned applications, please contact your sales representative. In cases where the application will demand a high level of reliability, such as automotive, medical instruments, public infrastructure, aerospace/defense etc. Hirose must review before assurance of reliability can be given.