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CYNTEC CO., LTD. 乾坤科技股份有限公司 Jan., 2020 DOCUMENT : CYNVC-201-029 (Preliminary specification) REVISION : A0 PAGE : 1 OF 7 The history of revision change for the specification Document REV. Modified date Description CYNVC‐201‐029 A0 2020.1.31 New Approval Issued
CYNTEC CO., LTD. 乾坤科技股份有限公司 Jan., 2020 DOCUMENT : CYNVC-201-029 (Preliminary specification) REVISION : A0 PAGE : 2 OF 7 Power Choke Coil VCHW105D MS5 type Features High performance (Isat) realized by metal dust core. Low profile：Thickness max. 5.4mm Low loss realized with low DCR Compliance with RoHS and Halogen Free Application Automotive applications Outline Dimensions W B' B T L H Recommend Land Pattern Dimensions The customer shall determine the land dimensions shown below after confirming and safety. B A C Code Dimensions (mm) L 10.85 0.35 W 10.0 0.3 T 5.2 0.2 A1 2.2 0.5 A’ 2.5 0.1 B 4.5 0.3 B1 6.5 0.3 B’ 6.0 0.3 H 0 ~ + 0.15 A 4.95 B 5.4 C 13.6 Unit : mm Issued
CYNTEC CO., LTD. 乾坤科技股份有限公司 Jan., 2020 DOCUMENT : CYNVC-201-029 (Preliminary specification) REVISION : A0 PAGE : 3 OF 7 Marking and Date Code The point on the top surface represents winding direction of choke. (1) Marking The inductor is marked with a 3-digit code Example – – 2.5H 2R5 (2) Date Code X X X (1) (2) X X X (3) Where (1) Year Code Ex : 2020 = 0 (2) Weekly Code Serial number : 01 ~ 53 (3) Taping No. Serial number : 001 ~ ZZZ Coil clockwise around XXX XXX PIN 1 PIN 2 Upside of Chip 2R5 Issued
CYNTEC CO., LTD. 乾坤科技股份有限公司 Jan., 2020 DOCUMENT : CYNVC-201-029 (Preliminary specification) REVISION : A0 PAGE : 4 OF 7 Specifications Part Number L0 ◇ Inductance ( H ) @ (0A) Rdc ( m) ◇ Heat Rating Current DC Amps. Idc ( A ) Saturation Current DC Amps. Isat ( A ) Typical Maximum Typical Maximum Typical Maximum ◇：Significant Characteristic * ：If you require another part number please contact with us. **：Inductance Tolerance 20% Note 1.： All test data is referenced to 25℃ ambient. Note 2.： Test Condition:100KHz, 1.0Vrms Note 3.： Idc : DC current (A) that will cause an approximate △T of 40℃ Note 4.： Isat : DC current (A) that will cause L0 to drop approximately 30% Note 5.： Operating Temperature Range -55℃ to + 155℃ Note 6.： The part temperature (ambient + temp rise) should not exceed 155 ℃ under the worst case operating conditions. Circuit design, component placement, PCB trace size and thickness, airflow and other cooling provision all affect the part temperature. Part temperature should be verified in the end application. Note 7.： The rated current as listed is either the saturatio n current or the heating current depending on which value is lower. Note 8.： Cleaning Process Note (a) If this power choke is dipped in the cleaning agent, such as toluene, xylene, ketone, and ether system, there is a possibility that the performance decreases greatly (b) The high power ultrasonic washing may damage the choke body. (c) Please contact us if you need the cleaning via the above agents or ultrasonic washing. Current Characteristic 100 0.00 0.50 1.00 1.50 2.00 2.50 3.00 02468 1 0 1 2 1 4 1 6 1 8 2 0 2 1 2 2 2 4 2 6 2 8 3 0 3 2 TEMP. RISE(℃) INDUCTANCE(μH) DC BIAS(Amps) VCHW105D-2R5MS5 INDUCTANCE(μH) TEMP. RISE(℃) 100 0.00 1.20 2.40 3.60 4.80 6.00 7.20 0 2 4 6 8 1 01 21 41 61 82 0 TEMP. RISE(℃) INDUCTANCE(μH) DC BIAS(Amps) VCHW105D-5R6MS5 INDUCTANCE(μH) TEMP. RISE(℃) Issued
CYNTEC CO., LTD. 乾坤科技股份有限公司 Jan., 2020 DOCUMENT : CYNVC-201-029 (Preliminary specification) REVISION : A0 PAGE : 5 OF 7 Packaging (1) Tape packaging dimensions 1.5 +0.1 -0.0 Pulling directionCarrier cavity t 4.0 ± 0.1 1.75 ± 0.10 24.0 ± 0.3 11.5 ± 0.1 2.0 ± 0.1 Sprocket hole 16.0 ± 0.1 Dimensions Code (mm) UNITS/REEL A0 B0 K0 t (2) Tape Direction The direction shall be seen from the top cover tape side. Pulling direction 2R5 XXX XXX 2R5 XXX XXX 2R5 XXX XXX Issued
CYNTEC CO., LTD. 乾坤科技股份有限公司 Jan., 2020 DOCUMENT : CYNVC-201-029 (Preliminary specification) REVISION : A0 PAGE : 6 OF 7 (3) Reel dimensions AB 2.0 ± 0.5 330.0 ± 2.0 100.0 ± 1.0 (4) Peel force of top cover tape The peel speed shall be about 300 mm/minute The peel force of top cover tape shall be between 0.1 to 1.3N A B 165 ~ 180° Top Cover Tape Carrier tape 0.1 ~ 1.3N Issued
CYNTEC CO., LTD. 乾坤科技股份有限公司 Jan., 2020 DOCUMENT : CYNVC-201-029 (Preliminary specification) REVISION : A0 PAGE : 7 OF 7 Reflow Profile Power Choke Coil Type 25°C to Peak ( 8 minutes max.) 25℃ Time tp:30 Sec max. Max. Ramp Down Rate =6℃/s Max. Ramp Up Rate =3℃/s Temperature 150℃ 200℃ 217℃ 260℃ Tp 60~120 Sec Preheat Area 60~150 Sec (1) Reflow Soldering Method : Reflow Soldering Tp:255~260℃ Max.30 seconds ( tp ) 217℃ 60~150 seconds Pre-Heat 150 ~ 200℃ 60~120 seconds Time 25℃ to peak temperature 8 minutes max. (2) Soldering iron Method : 350 5℃ max.3 seconds Issued