Low VF SMD Schottky Barrier Rectifiers CDBZ2120L-HF Thru. CDBZ2140L-HF Reverse Voltage: 20 to 40 Volts Forward Current: 1.0 Amp RoHS Device Halogen free Features Typ. 0.063(1.60) Z2PAK 0.002(0.05) 0.142(3.60) 0.126(3.20) 0.083(2.10) 0.067(1.70) R 0.012(0.30) - Lead less chip form, no lead damage. - Low power loss, High efficiency. 0.035(0.90) 0.020(0.50) 0.046(1.16) 0.034(0.86) - High current capability, low VF. 0.035(0.90) 0.020(0.50) - Plastic package has UL 94V-0. Mechanical data 0.098(2.50) 0.083(2.10) 0.018(0.45) 0.016(0.41) - Case: Packed with FRP substrate and epoxy underfilled. - Terminals: Pure Tin plated (Lead-Free), solderable per MIL-STD-750, method 2026. Dimensions in inches and (millimeter) Circuit Diagram - Weight : 0.012 grams(approx.). 1 2 Maximum Ratings (at TA=25°C unless otherwise noted) Symbol CDBZ2120L-HF CDBZ2140L-HF Unit Repetitive peak reverse voltage VRRM 20 40 V Average forward current IF(AV) 1.0 A Peak forward surge current (8.3ms single half sine-wave) IFSM 20 A TJ -55 to +125 °C TSTG -55 to +150 °C Parameter Operating junction temperature range Storage temperature range Electrical Characteristics (at TA=25°C unless otherwise noted) Parameter Forward voltage (NOTE 1) Repetitive peak reverse current (NOTE 1) Junction capacitance Min. Typ. Max. IF = 0.1 A - 0.32 - IF = 0.5 A - 0.40 - IF = 1.0 A - 0.46 0.50 VR = Max. VRRM , TA= 25°C - 0.015 0.2 mA VR = 4V, f = 1.0 MHz - 110 - pF RθJA Junction to ambient (NOTE 2) - 88 - °C/W RθJL Junction to lead (NOTE 2) - 28 - °C/W Symbol VF IRRM CJ Conditions Unit V Thermal resistance NOTES : (1) Pulse test width PW=300usec , 1% duty cycle. (2) Mounted on P.C. board with 0.2 x 0.2"(5.0 x5.0mm) copper pad areas. Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-JL033 Page 1 Comchip Technology CO., LTD. Low VF SMD Schottky Barrier Rectifiers RATING AND CHARACTERISTIC CURVES (CDBZ2120L-HF Thru. CDBZ2140L-HF) Fig.1 - Typical Forward Current Derating Curve Fig.2 - Typical Forward Characteristics 10 Instantaneous Forward Current, (A) Average Forward Current, (A) 1.4 RESISTIVE OR INDUCTIVE LOAD P.C.B. MOUNTED ON 0.2X0.2"(5.0X5.0mm) COPPER PAD AREAS 1.2 1.0 0.8 0.6 0.4 0.2 1 0.1 0.01 0.001 0 0 25 50 75 100 125 150 175 0 0.1 0.2 Case Temperature, (°C) 0.3 0.4 0.5 0.6 0.7 0.8 Forward Voltage, (V) Fig.4 - Typical Reverse Characteristics Fig.3 - Non-repetitive Forward Surge Current 100 25 InstantaneousReverse Leakage Current, (mA) Peak Forward Surge Current, (A) 8.3ms single half sine-wave 20 15 10 5 0 10 0.1 0.01 0.001 10 1 100 TJ=100°C 1.0 TJ=25°C 0 20 40 60 80 100 Percent of Rated Peak Reverse Voltage, (%) Number of Cycles at 60Hz Fig.5 - Typical Junction Capacitance Junction Capacitance, (pF) 400 TJ=25°C f=1.0MHz Vsig=50mVP-P 100 10 0 1 10 100 Reverse Voltage, (V) Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-JL033 Page 2 Comchip Technology CO., LTD. Low VF SMD Schottky Barrier Rectifiers Reel Taping Specification d P0 P1 E Index hole F W B P C A 12 o 0 D2 D1 D W1 Trailer ....... ....... End Device ....... ....... Leader ....... ....... ....... ....... 160mm (min) Start 400mm (min) Direction of Feed Z2PAK Z2PAK SYMBOL A B C d D D1 D2 (mm) 2.20 ± 0.10 3.65 ± 0.10 1.28 ± 0.10 1.50 ± 0.10 178.00 ± 2.00 50.00 MIN. 13.00 ± 0.50 (inch) 0.087 ± 0.004 0.144 ± 0.004 0.050 ± 0.004 0.059 ± 0.004 7.008 ± 0.079 1.969 MIN. 0.512 ± 0.020 SYMBOL E F P P0 P1 W W1 (mm) 1.75 ± 0.10 5.50 ± 0.05 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 12.00 ± 0.30 18.70 MAX. (inch) 0.069 ± 0.004 0.217 ± 0.002 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.472 ± 0.012 0.736 MAX. Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-JL033 Page 3 Comchip Technology CO., LTD. Low VF SMD Schottky Barrier Rectifiers Marking Code Voltage class Cathode mark Part Number Marking Code CDBZ2120L-HF A2. CDBZ2140L-HF A4. AX. Amps class Halogen Free Suggested PAD Layout 0.026(0.67) MAX. 0.107(2.73) MIN. 0.034(0.86) MIN. 0.063(1.60) MIN. 0.168(4.26) REF. NOTES : 1. Dimensions in inches and (millimeter) 2. The Layout is just for reference. Standard Packaging REEL PACK Case Type Z2PAK REEL Reel Size ( pcs ) (inch) 3,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-JL033 Page 4 Comchip Technology CO., LTD.