WILLAS SK32B THRU SK320B 3.0A SCHOTTKY BARRIER RECTIFIERS -20V- 200V SMB PACKAGE FEATURES * Ideal for surface mounted applications * Low switching noise .191(4.85) * Low forward voltage drop * High current capability * High switching capability .160(4.06) .086(2.20) * High reliability * High surge capability .115(3.94) .075(1.91) .130(3.30) * RoHS product for packing code suffix "G", Halogen free product for packing code suffix "H". .012(0.30) .006(0.15) .096(2.44) MECHANICAL DATA .083(2.13) Case: Molded plastic, DO-214AA(SMB) .060(1.52) Epoxy: UL 94V-O rate flame retardant .008(0.20) .029(0.75) .001(0.02) Lead:MIL-STD-202E method 208C guaranteed .220(5.59) Mounting position: Any .199(5.05) Weight: Approximated 0.104 gram Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25℃ ambient temperature unless otherwise specified. Single phase half wave, 60Hz, resistive of inductive load. For capacitive load, derate current by 20% SYMBOL SK32B SK33B SK34B SK35B SK36B SK38B SK310B SK315B R A T IN G S SK32B Marking Code SK33B SK34B SK35B SK36B SK38B SK320B SK310B SK315B SK320B UNIT Maximum Recurrent Peak Reverse Voltage VRRM 20 30 40 50 60 80 100 150 200 Volts Maximum RMS Voltage VRMS 14 21 28 35 42 56 70 105 140 Volts VDC 20 30 40 50 60 80 100 150 200 Volts Maximum DC Blocking Voltage Maximum Average Forward Rectified Current Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) IO IFSM RΘJA /RΘJC CJ TJ Typical Thermal Resistance (Note 2) Typical Junction Capacitance (Note 1) Operating Temperature Range Storage Temperature Range TSTG CHARACTERISTICS Maximum Forward Voltage at 3.0A DC Maximum Average Reverse Current at @T a=25℃ Rated DC Blocking Voltage @T a=100℃ 3.0 Amps 80.0 Amps ℃/W 70 / 25 180 110 150 -55 to +125 -55 to +150 100 80 PF -55 to +150 ℃ ℃ SYMBOL SK32B SK33B SK34B SK35B SK36B SK38B SK310B SK315B 0.70 0.85 0.87 0.55 VF 0.5 IR 20 SK320B 0.90 UNIT Volts mAmps NOTES: 1- Measured at 1 MHZ and applied reverse voltage of 4.0 VDC. 2- Thermal Resistance From Junction to Ambient , From Junction to Case on P.C.B. mounted 0.55*0.55"(14*14mm) copper pad areas. 201-0 WILLAS ELECTRONIC CORP. WILLAS SK32B THRU SK320B 3.0A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS -20V- 200V SMB PACKAGE RATING AND CHARACTERISTIC CURVES FIG. 1-TYPICAL FORWARD CURRENT DERATING CURVE FIG. 2-TYPICAL FORWARD CHARACTERISTICS 100.00 INSTANTANEOUS FORWARD CURRENT (A) AVERAGE FORWARD CURRENT,(A) 5 4 3 SM320B~SM360B SK32B~SK36B 2 SM380B SM3200B SM380B~SM3200B SK38B~SK320B 1 0 0 20 40 60 80 100 120 140 160 180 200 10.00 1.00 0.10 0.2 0.4 0.6 0.8 FORWARD VOLTAGE (V) 1.0 FIG. 4-TYPICAL REVERSE CHARACTERISTICS 100.000 80 TJ=25℃ 8.3ms Single Half Sine Wave JEDEC method 25℃ 10.000 REVERSE LEAKAGE CURRENT (mA) PEAK FORWARD D SURGE CURRENT (A) 100 TJ=25℃ PULSE WIDTH 300us 2% DUTY CYCLE 0.01 AMBIENT TEMPERATURE(℃) FIG. 3-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT SK32B ~SK34B SK35B ~SK36B SK38B ~SK310B SK315B SK320B 60 40 20 100℃ 1.000 0.100 0.010 0 1 10 100 0.001 20 NUMBER OF CYCLES AT 60Hz 40 60 80 100 PERCENTAGE RATED PEAK REVERSE VOLTAGE (%) FIG. 5-TYPICAL JUNCTION CAPACITANCE 500 SM320B~SM340B SK32B~SK34B SM350B~SM360B SK35B~SK36B JUNCTION CAPACITANCE CE (pF) 400 SK38B~SK310B SM380B~SM3100 SK315B B SM3150B 300 SK320B 200 100 0 0 1 10 100 REVERSE VOLTAGE (V) 201-0 WILLAS ELECTRONIC CORP. WILLAS SK32B THRU SK320B 3.0A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS -20V- 200V SMB PACKAGE Ordering Information: Device PN Part Number -T(1)G(2)-WS Packing Tape & Reel Packing :3000pcs/Reel Note: 1. Packing code, T: Tape & 13” Reel Packing; 2. RoHS product for packing code suffix ”G”, Halogen free product for packing code suffix "H" . ***Disclaimer*** WILLAS reserves the right to make changes without notice to any product specification herein, to make corrections, modifications, enhancements or other changes. WILLAS or anyone on its behalf assumes no responsibility or liability for any errors or inaccuracies. Data sheet specifications and its information contained are intended to provide a product description only. "Typical" parameters which may be included on WILLAS data sheets and/ or specifications can and do vary in different applications and actual performance may vary over time. WILLAS does not assume any liability arising out of the application or use of any product or circuit. WILLAS products are not designed, intended or authorized for use in medical, life-saving implant or other applications intended for life-sustaining or other related applications where a failure or malfunction of component or circuitry may directly or indirectly cause injury or threaten a life without expressed written approval of WILLAS. Customers using or selling WILLAS components for use in such applications do so at their own risk and shall agree to fully indemnify WILLAS Inc and its subsidiaries harmless against all claims, damages and expenditures. 201-0 WILLAS ELECTRONIC CORP.