Comchip Schottky Barrier Rectifier SMD Diode Specialist SR320-HF Thru. SR3200-HF Forward current: 3.0A Reverse voltage: 20 to 200V RoHS Device Halogen Free DO-27 Features 0.052(1.30) 0.048(1.20) -Axial lead type devices for through hole design. -Low power loss, high efficiency. -High current capability, Low forward voltage drop. -High surge capability. -Ultra high-speed switching. -Silicon epitaxial planar chip, metal silicon junction. -Lead-free part meets environmental standards of MIL-STD-19500/228 DIA. 1.0(25.4) min. 0.375(9.50) 0.285(7.20) 0.220(5.60) 0.197(5.00) Mechanical Data DIA. 1.0(25.4) 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 gram (approx.). Dimensions in inches and (millimeter) Maximum Ratings and Electrical Characteristics Ratings at Ta=25°C unless otherwise noted. Single phase, half wave, 60Hz, resistive or inductive loaded. For capacitive load, derate current by 20% . Symbol SR320 -HF Parameter SR340 -HF SR360 -HF SR3100 SR3150 SR3200 Unit -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 @3A , TA=25°C VF 0.45 0.50 0.70 0.81 0.87 0.90 V Operating junction temperature range TJ -50 ~ +150 Symbol -50 ~ +175 °C MAX. Unit IO 3.0 A IFSM 70 A VR =VRRM TA=25°C IR 0.5 mA VR =VRRM TA=100°C IR 20 mA Thermal resistance Junction to ambient RθJA 55 °C/W Diode junction capacitance f=1MHZ and applied 4V DC reverse Voltage CJ 250 pF Parameter Conditions Forward rectified current see Fig.1 Forward surge current 8.3ms single half sine-wave superimposed on rate load (JEDEC method) MIN. TYP. Reverse current Storage temperature TSTG -55 Company reserves the right to improve product design , functions and reliability without notice. QW-JB040 +175 °C REV:A Page 1 Comchip Schottky Barrier Rectifier SMD Diode Specialist RATING AND CHARACTERISTIC CURVES (SR320-HF Thru. SR3200-HF) Fig.1 - Typical Forward Current Derating Curve Fig.2 - Typical Forward Characteristics 3.0 SR3 2.5 150 1.5 F F 1.0 0-H 0 0 -H 320 1 SR3 ~ SR F~ -H F 2 0-H 2.0 0.5 0 0 25 50 75 100 125 150 10 3 SR 1.0 -H SR 40 0 36 F -H SR3100-H F -H 3 SR 15 0- R3 ~S HF 20 0-H F F 0.1 TJ=25°C Pulse Width 300us 1% Duty Cycle 0.01 0.1 175 20 3 SR F~ 0.3 0.5 0.7 0.9 1.1 1.3 1.5 Ambient Temperature, (°C) Forward Voltage, (V) Fig.3 - Maximum Non-repetitive Forward Surge Current Fig.4 - Typical Junction Capacitance 100 700 O TJ=25 C 8.3ms single half sine wave, JEDEC method Junction Capacitance, (pF) Peak Forward Surge Current, (A) Instantaneous Forward Current, (A) 100 SR 3 Average Forward Current, (A) 3.5 80 60 40 20 600 500 400 300 200 100 0 1 10 100 Number of Cycles at 60Hz 0 0.01 0.1 1 10 100 Reverse Voltage, (V) Fig.5 - Typical Reverse Characteristics Reverse Leakage Current, (mA) 100 10 1 TJ=125°C 0.1 TJ=25°C 0.01 0 20 40 60 80 100 120 140 Percent of Rated Peak Reverse Voltage, (%) REV:A QW-JB040 Page 2 Comchip Schottky Barrier Rectifier SMD Diode Specialist Taping Specification For Axial Lead Diodes E 90° ± 5° Z A L L1 B H L2 T E W DO-27 DO-27 SYMBOL A B Z T E (mm) 10.00 ± 0.50 52.00 ± 0.50 1.20 (max) 6.00 ± 0.40 0.80 (max) (inch) 0.394 ± 0.020 2.047 ± 0.020 0.047 (max) 0.236 ± 0.016 0.031 (max) SYMBOL L1 L2 L W H (mm) 1.00 (max) 1.00 (max) 260.00 75.00 145.00 (inch) 0.039 (max) 0.039 (max) 10.236 2.953 5.709 Marking Code Part Number Marking Code SR320-HF SR32 SR340-HF SR34 SR360-HF SR36 SR3100-HF SR310 SR3150-HF SR315 SR3200-HF SR320 SRXXX XX / XXX = Product type marking code Standard Packaging AMMO PACK Case Type DO-27 BOX CARTON ( pcs ) ( pcs ) 1,200 12,000 REV:A QW-JB040 Page 3