B320Q-B360Q

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  • Manufacturer or author: Diodes Incorporated
  • PDF pages: 5

Technical content

B320Q–B360Q Document number: DS38534 Rev. 4 - 2 1 of 5 www.diodes.com May 2026 © 2026 Copyright Diodes Incorporated. All Rights Reserved. B320Q–B360Q 3.0A SURFACE-MOUNT SCHOTTKY BARRIER RECTIFIER Product Summary B320Q/B330Q/B340Q VRRM (V) IO (A) VF max (V) IR max (mA) 20/30/40 3.0 0.5 0.5 B350Q/B360Q VRRM (V) IO (A) VF max (V) IR max (mA) 50/60 3.0 0.7 0.5 Description and Applications This Schottky Barrier Rectifier is designed to meet the stringent requirements of automotive applications. It is ideally suited for use as:

  • Polarity protection diodes
  • Re-circulating diodes
  • Switching diodes Features and Benefits
  • Guard Ring Die Construction for Transient Protection
  • Ideally Suited for Automated Assembly
  • Low Power Loss, High Efficiency
  • For Use in Low-Voltage, High-Frequency Inverters, Free Wheeling, and Polarity Protection Applications
  • Lead-Free Finish; RoHS Compliant (Notes 1 & 2)
  • Halogen and Antimony Free. “Green” Device (Note 3)
  • The B320Q–B360Q are suitable for automotive applications requiring specific change control; these parts are AEC-Q101 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities. https://www.diodes.com/quality/product-definitions/ Mechanical Data
  • Package: SMC
  • Package Material: Molded Plastic, “Green” Molding Compound. UL Flammability Classification Rating 94V-0
  • Moisture Sensitivity: Level 1 per J-STD-020
  • Terminals: Lead-Free Plating (Matte Tin Finish). Solderable per MIL-STD-202, Method 208
  • Polarity: Cathode Band
  • Weight: 0.21 grams (Approximate) SMC Ordering Information (Note 4) Orderable Part Number Package Packing Qty. Carrier B320Q-13-F SMC 3000 Tape & Reel B330Q-13-F SMC 3000 Tape & Reel B340Q-13-F SMC 3000 Tape & Reel B350Q-13-F SMC 3000 Tape & Reel B360Q-13-F SMC 3000 Tape & Reel Notes: 1. EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. All applicable RoHS exemptions applied. 2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen - and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. 4. For packaging details, go to our website at https://www.diodes.com/design/support/packaging/diodes -packaging/. Marking Information (Note 5) Note: 5. Device has a cathode band (as shown above) and may also have a cathode notch. B3x0 = Product Type Marking Code, ex: B340 = Manufacturer’s Code Marking YWW = Date Code Marking A Bar or Underline around the Date Code or Product Type Marking Code Denotes Assembly Site if Marked. Y = Last Digit of Year (ex: 6 for 2026) WW = Week Code (01 to 53) Top View Bottom View Green YWW B3x0

B320Q–B360Q Document number: DS38534 Rev. 4 - 2 2 of 5 www.diodes.com May 2026 © 2026 Copyright Diodes Incorporated. All Rights Reserved. B320Q–B360Q Maximum Ratings (@TA = +25°C, unless otherwise specified.) Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Characteristic Symbol B320Q B330Q B340Q B350Q B360Q Unit Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage VRRM VRWM VR 20 30 40 50 60 V Average Rectified Output Current IO 3.0 A Non-Repetitive Peak Forward Surge Current 8.3ms Single Half Sine Wave Superimposed on Rated Load IFSM 100 A Thermal Characteristics Characteristic Symbol Value Unit Typical Thermal Resistance, Junction to Terminal RϴJT 20 °C/W Typical Thermal Resistance, Junction to Ambient (Note 6) RϴJA 90 °C/W Operating Temperature Range TJ -55 to +150 °C Storage Temperature Range TSTG -55 to +150 °C Electrical Characteristics (@TA = +25°C, unless otherwise specified.) Characteristic Symbol Min Typ Max Unit Test Condition Forward Voltage Drop B320Q-B340Q B350Q-B360Q VF — 0.50 0.70 V IF = 3.0A, TA = +25°C Leakage Current (Note 7) IR — 0.5 20 mA @ Rated VR, TA = +25°C @ Rated VR, TA = +100°C Total Capacitance CT — — 200 pF VR = 4V, f = 1MHz Notes: 6. Thermal resistance: junction to terminal, unit mounted on glass epoxy substrate with 2 mm x 3mm copper pad. 7. Short duration pulse test used to minimize self-heating effect. 0.1 1.0 I , INSTANTANEOUS FORWARD CURRENT (A)F V , INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Typical Forward Characteristics - B320B thru B340B F 0.01 0.1 1.0 I , INSTANTANEOUS FORWARD CURRENT (A)F V , INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics - B350B thru B360B F T = 125 慢A T = 25 慢A Fig. 1 Typical Forward Characteristics – B320Q thru B340Q Fig. 2 Typical Forward Characteristics – B350Q thru B360Q

B320Q–B360Q Document number: DS38534 Rev. 4 - 2 3 of 5 www.diodes.com May 2026 © 2026 Copyright Diodes Incorporated. All Rights Reserved. B320Q–B360Q 100 0.1 0.01 1,000 10,000 0 20 40 60 V , INSTANTANEOUS REVERSE VOLTAGE (V) Fig. 3 Typical Reverse Characteristics, B320B thru B340B R 10 30 50 100 0.1 1,000 10,000 0 20 40 60 70 V , INSTANTANEOUS REVERSE VOLTAGE (V) Fig. 4 Typical Reverse Characteristics, B350B thru B360B R 10 30 50 100 1,000 0.1 1 10 100 C , TOTAL CAPACITANCE (pF)T V , DC REVERSE VOLTAGE (V) Fig. 5 Total Capacitance vs. Reverse Voltage R 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 25 50 75 100 125 150 IF(AV), AVERAGE FORWARD CURRENT (A) TT, TERMINAL TEMPERATURE (℃) Fig. 6 Forward Current Derating Curve 100 1 10 100 I , PEAK FORWARD SURGE CURRENT (A)FSM NUMBER OF CYCLES AT 60 Hz Fig. 7 Max Non-Repetitive Peak Forward Surge Current Fig. 3 Typical Reverse Characteristics – B320Q thru B340Q Fig. 4 Typical Reverse Characteristics – B350Q thru B360Q Single Half Sine Wave

B320Q–B360Q Document number: DS38534 Rev. 4 - 2 4 of 5 www.diodes.com May 2026 © 2026 Copyright Diodes Incorporated. All Rights Reserved. B320Q–B360Q Package Outline Dimensions Please see http://www.diodes.com/package-outlines.html for the latest version. SMC SMC Dim Min Max A 5.59 6.22 B 6.60 7.11 C 2.75 3.18 D 0.15 0.31 E 7.75 8.13 G 0.10 0.20 H 0.76 1.52 J 2.00 2.50 All Dimensions in mm Suggested Pad Layout Please see http://www.diodes.com/package-outlines.html for the latest version. SMC Dimensions Value (in mm) C 6.90 G 4.40 X 2.50 X1 9.40 Y 3.30 Y C G X A B C D GH E J

B320Q–B360Q Document number: DS38534 Rev. 4 - 2 5 of 5 www.diodes.com May 2026 © 2026 Copyright Diodes Incorporated. All Rights Reserved. B320Q–B360Q IMPORTANT NOTICE 1. DIODES INCORPORATED (Diodes) AND ITS SUBSIDIARIES MAKE NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO ANY INFORMATION CONTAINED IN THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICUL AR PURPOSE OR NON -INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). 2. The Information contained herein is for informational purpose only and is provided only to illustrate the operation of Diodes ’ products described herein and application examples. Diodes does not assume any liability arising out of the application or use of this document or any product described herein. This document is intended for skilled and technically trained engineering customers and users who design with Diodes’ products. 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