Download the SF34 datasheet PDF.
This datasheet also covers the SF31-CHENG variant, as both devices belong to the same super fast rectifier family and are provided as variant models within a single manufacturer datasheet.
Key Features
High reliability Low leakage Low forward voltage High current capability Super fast switching speed High surge capability Good for switching mode circuit.
Note: Below is a high-fidelity text extraction (approx. 800 characters) for
SF34. For precise diagrams, tables, and layout, please refer to the original PDF.
View original datasheet text
SF31 thru SF36
SUPER FAST RECTIFIER
CHENG- YI
ELECTRONIC
SUPER FAST RECTIFIER VOLTAGE RANGE-50 to 400 Volts
CURRENT-3.0 Amperese
FEATURES
High reliability Low leakage Low forward voltage High current capability Super fast switching speed High surge capability Good for switching mode circuit
MECHANICAL DATA
Case:Molded plastic Epoxy:UL94V-0 rate flame retardant Lead:MIL-STD-202E method 208C quaranted Mounting position:Any Weigh:1.18 grams
1.0(25.4) MIN.
.052(1.3) .048(1.2)
DIA.
.375(9.5) .335(8.5)
1.0(25.4) MIN.
.220(5.6) .197(5.0)
DIA.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 250C ambient temperature unless otherwise specified. Signle phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%.