Schottky Barrier Rectifier SR320-HF Thru. SR3200-HF Forward current: 3.0A Reverse voltage: 20 to 200V RoHS Device DO-27 Halogen Free 0.051(1.30) DIA. 0.046(1.19) DIA. Features - Axial lead type devices for through hole design. 1.000(25.40) Min. - Low power loss, high efficiency. - High current capability, Low forward voltage drop. - High surge capability. - Ultra high-speed switching. 0.378(9.60) - Silicon epitaxial planar chip, metal silicon junction. 0.285(7.24) - Lead-free part meets environmental standards of MIL-STD-19500/228 0.220(5.60) DIA. 0.188(4.79) DIA. Mechanical Data 1.000(25.40) Min. - Case: Molded plastic, DO-201AD/DO-27 - Epoxy: UL94V-0 rate flame retardant. - Lead: Axial lead, solderable per MIL-STD-202, Method 208 guranteed. - Polarity: color band denoted cathode end. - Weight: 1.10 grams(approx.). Dimensions in inches and (millimeter) Maximum Ratings and Electrical Characteristics Ratings at Ta=25C unless otherwise noted. Single phase, half wave, 60Hz, resistive or inductive loaded. For capacitive load, derate current by 20% . SR320 SR340 SR360 SR3100 SR3150 SR3200 Symbol Parameter Unit -HF -HF -HF -HF -HF -HF Maximum repetitive peak reverse voltage VRRM 20 40 60 100 150 200 V Maximum RMS voltage VRMS 14 28 42 70 105 140 V Maximum DC blocking voltage VDC 20 40 60 100 150 200 V Maximum forward voltage VF 0.45 0.50 0.70 0.81 0.87 0.90 V 3A , TA=25C Operating junction temperature range TJ -50 ~ +150 -50 ~ +175 C Symbol Parameter Conditions MIN. TYP. MAX. Unit see Fig.1 Forward rectified current IO 3.0 A 8.3ms single half sine-wave superimposed Forward surge current IFSM 70 A on rate load (JEDEC method) VR =VRRM TA=25C IR 0.5 mA Reverse current VR =VRRM TA=100C IR 20 mA Thermal resistance Junction to ambient R JA 55 C/W Diode junction capacitance f=1MHZ and applied 4V DC reverse Voltage CJ 250 pF Storage temperature range TSTG -55 +175 C Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-JB040 Page 1 Comchip Technology CO., LTD.SR3150-HF ~ SR3200-HF SR320-HF ~ SR3100-HF Schottky Barrier Rectifier RATING AND CHARACTERISTIC CURVES (SR320-HF Thru. SR3200-HF) Fig.1 - Typical Forward Current Fig.2 - Typical Forward Characteristics Derating Curve 3.5 100 3.0 10 2.5 2.0 1.0 1.5 1.0 0.1 0.5 TJ=25C Pulse Width 300us 1% Duty Cycle 0.01 0 0 25 50 75 100 125 150 175 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 Ambient Temperature, (C) Forward Voltage, (V) Fig.4 - Typical Junction Capacitance Fig.3 - Maximum Non-repetitive Forward Surge Current 100 O 700 TJ=25 C 8.3ms single half sine wave, JEDEC method 600 80 500 60 400 300 40 200 20 100 0 0 1 10 100 0.01 0.1 1 10 100 Number of Cycles at 60Hz Reverse Voltage, (V) Fig.5 - Typical Reverse Characteristics 100 10 1 TJ=125C 0.1 TJ=25C 0.01 0 20 40 60 80 100 120 140 Percent of Rated Peak Reverse Voltage, (%) Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-JB040 Page 2 Comchip Technology CO., LTD. SR3100-HF SR3150-HF~SR3200-HF SR320-HF ~ SR340-HF SR360-HF Reverse Leakage Current, (mA) Peak Forward Surge Current, (A) Average Forward Current, (A) Junction Capacitance, (pF) Instantaneous Forward Current, (A)