BY127G thru by133g glass p assi va ted silicon rectifier reverse v oltage - 1250 to 1300 v olts forward current - 1.0 ampere case : jedec do-41 molded plastic body t erminals : plated axial leads, solderable per mil-std-750, method 2026 polarity : color band denotes cathode end mounting position : any w eight :0.012 ounce, 0.33 grams the plastic package carries underwriters laboratory flammability classification 94 v -0 construction utilizes void-free molded plastic technique low reverse leakage high forward surge current capability high temperature soldering guaranteed: 250 c/10 seconds,0.375 (9.5mm) lead length, 5 lbs. (2.3kg) tension fe a tures mechanica l d at a maximum r a tings and electrica l characteristics 1300 910 1300 vo l ts vo l ts vo l ts symbols units amp amps v olts v rrm v rms v dc i ( a v) i fsm v f 1.0 30.0 1.1 operating junction and storage temperature range maximum repetitive peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified current 0.375 (9.5mm) lead length at t a =75 c peak forward surge current 8.3ms single half sine-wave superimposed on rated load (jedec method) maximum instantaneous forward voltage at 1.0a maximum dc reverse current t a =25 c at rated dc blocking voltage t a =100 c t ypical junction capacitance (note 1) note: 1.measured at 1mhz and applied reverse voltage of 4.0v d.c. 2.thermal resistance from junction to ambient at 0.375 (9.5mm)lead length, p .c.b. mounted i r 5.0 50.0 r ja c j t j , t stg 50.0 15.0 -65 to +175 pf c a t ypical thermal resistance (note 2) c/w by133g 1250 875 1250 BY127G ratings at 25 c ambient temperature unless otherwise specified. sing le phase half-wave 60hz,resistive or inductive load,for capacitive load current derate by 20%. dimensions in inches and (millimeters) do-41 0.107 (2.7) 0.080 (2.0) dia. 0.034 (0.86) 0.028 (0.70) dia. 1.0 (25.4) min. 0.205 (5.2) 0.160(4.1) 1.0 (25.4) min. www.shunyegroup.com.cn
r a tings and characteristic cu r ves BY127G thru by133g 1.0 0.8 0.6 0.4 0.2 0 0 25 50 75 100 125 150 175 30 25 20 15 10 5.0 0.6 0.8 1.0 1.2 1.4 1.5 0.1 1.0 10 100 0.01 0.1 1 10 100 100 10 1 0.1 reverse vo lt age,vo l ts t,pulse dur a tion,sec. fig. 5-typica l junction ca p aci t ance fig. 6-typica l transient therma l impedanc e fig. 3-typica l ins t an t aneous fo r w ard characteristics number of cycles a t 60 hz fig. 2-maximum non-repetitive peak fo r w ard surge current fig. 1- fo r w ard current der a ting cu r ve , t n e r r u c d e i f i t c e r d r a w r o f e g a r e v a s e r e p m a d r a w r o f s u o e n a t n a t s n i s e r e p m a , t n e r r u c f p , e c n a t i c a p a c n o i t c n u j , t n e r r u c e g r u s d r a w r o f k a e p s e r e p m a ins t an t aneous fo r w ard vo lt age, vo l ts single phase half w ave 60hz resistive or inductive load 1 10 100 0.0 1 0. 1 1 2 0 1 0 t j =25 c 1 10 100 200 0 20 40 60 80 100 1,000 100 10 1 0.1 0.01 tj=100 c tj=25 c tj=150 c percent of peak reverse vo lt age,% fig. 4-typica l reverse characteristics , t n e r r u c e s r e v e r s u o e n a t n a t s n i s e r e p m a o r c i m , e c n a d e p m i l a m r e h t t n e i s n a r t w / c ambient temper a ture, c t j =25 c pulse width=300 s 1%dut y cycle 8.3ms single half sine- w a ve (jedec method) www.shunyegroup.com.cn
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