BY251 JGD | Alldatasheet
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Technical content
3.0 AMPS. SILICON RECTIFIERS | VOLTAGE RANGE 50 to 1000 Volts CURRENT
3.0 Amperes
- Low forward voltage drop T » High current capability * High reliability 2169) 1925.4 * High surge current capability DIA L, MECHANICAL DATA { * Case: Molded plastic * Epoxy: UL 94V-0 rate flame retardant ees) Lead: Axial leads, solderable per MIL-STD-202, method 208 guaranteed il * Polarity: Color band denotes cathode end * Mounting Position: Any 1a) Weight: 1.18 grams oust} DIA. | Dimensions in inches and (millimeters MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25°C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% [reemweee ecu ave | ere | ves | ore | rs | us| [naire artowvone | Mw | a | mf eo | ow fm |v Pues vowed fo] me | a] oe | oo | | vee | m= | ao [em] a fom |v | Maximum Average Forward Rectified Current 1 375" (9.5mm) lead length _@ Ta = 75°C edd Peak Forward Surge Current, 8.3 ms single half sine-wave 1 superimposed on rated load(JEDEC method) rm A Maximum D.C Reverse Current @ Ta =25C 5.0 7A at Rated D.C Blocking Voltage _@ Ta = 100°C 100 nA ee Tal ae me | z NOTES: 1. Measured at 1 MHz and applied reverse voltage of 4.0V D.C. 2. Thermal Resistance from Junction to Ambient 0.375°(9.5mm) Lead Length. NAN GUDE ELECTROMIE DEVICE CO, TD.
RATINGS AND CHARACTERISTIC CURVES (BY251 THRU BY255) . FIG. 2-MAXIMUM NON-REPETITIVE FIG. 1 ~ TYPICAL FORWARD FORWARD SURGE CURRENT ee =O z, < 8.ame Single Hat 5 | |] ale tethers © col | LT UITITIT sine wave & | FA ce & lll 3 1 | i elon coe es | z Soepen wexT-BiK. 2 APO Ti & | engemam |) 3 of SUT | Paictve Load past a [Bar Kee ° ee 2 COIS Soo AMBIENT TEMPERATURE (<) 2 fT TET NUMBER OF CYCLES AT 60 Hz FIG.3- TYPICAL FORWARD CHARACTERISTICS FIG.4 - TYPICAL REVERSE CHARACTERISTICS 100 SSeS ee wE—— SS SSS $ tft tft a 8 ===> ESS . a EE 3 sR gs Eee
8 Cyr Ty | 5 0 a 00 2 —T40
= = PERCENT OF RATED PEAK REVERSE VOLTAGE .(%) = —S — 2 of Ft ot [TTT I | FIG.5- TYPICAL JUNCTION CAPACITANCE ee CSS Saar
7 FORWARD VOLTAGE 2 22S es
. ssa 3 Ee
2 SSeS
é a || = LUT LAA T REVERSE VOLTAGE (Wy