RMB2S - rmb4s miniature glass passivated fast recovery surface mount bridge rectifier prv : 200 - 400 volts io : 0.5 ampere features : * glass passivated chip junctions. * high surge overload rating : 35a peak * saves space on printed circuit boards. * high temperature soldering guaranteed : 260 o c/10 seconds. * pb / rohs free mechanical data : * case : molded plastic * epoxy : ul94v-o rate flame retardant * terminals : plated lead solderable per mil-std-750, method 2026 * polarity : polarity symbols marked on body * mounting position : any * weight : 0.22 gram maximum ratings and electrical characteristics rating at 25 c ambient temperature unless otherwise specified. 60 hz, resistive or inductive load. symbol RMB2S rmb4s unit device marking code 2r 4r maximum repetitive reverse voltage v rrm 200 400 v maximum rms voltage v rms 140 280 v maximum dc blocking voltage v dc 200 400 v maximum average forward output 0.5 (1) (on glass-epoxy p.c.b.) rectified current (see fig.1) 0.8 (2) (on aliminum substrate) maximum peak forward surge current single half sine wave superimposed on rated load (jedec method) rating for fusing (t < 8.3 ms.) i 2 t 5.0 a 2 s maximum instantaneous forward voltage per element at i f = 0.4 a maximum dc reverse current ta = 25c i r 5.0 m a at rated dc blocking voltage ta = 125c i r(h) 100 m a maximum reverse recovery time at i f =0.5a, i r =1.0a, irr=0.25a trr 150 ns typical junction capacitance per element cj 13 (3) pf typical thermal resistance r q ja 85 (1) c/w junction and storage temperature range t j , t stg -55 to + 150 c notes : (1) on glass epoxy p.c board mounted on 0.5" x 0.5" (13mm x 13mm) pads. (2) on aluminum substrate p.c.b. with an area 0.8" x 0.8" (20mm x 20mm) mounted on 0.5" x 0.5" (13mm x 13mm) pads. (3) measured at 1.0 mhz and applied reverse voltage of 4.0vdc page 1 of 2 rev. 02 : march 24, 2005 a v f 1.25 v a rating i f(av) i fsm 30 dimensions in inches and ( millimeters ) mbs 0.272(6.90) 0.252(6.40) 0.029(0.74) 0.017(0.43) 0.105(2.67) 0.095(2.41) 0.195(4.95) 0.179(4.55) 0.161(4.10) 0.144(3.65) 0.114(2.90) 0.094(2.40) 0.106(2.70) 0.094(2.40) 0.205(5.21) 0.195(4.95) 0.016(0.41) 0.006(0.15) ~ ~
rating and characteristic curves ( RMB2S - rmb4s ) fig.1 - derating curve for output fig.2 - maximum non-repetitive peak rectified current forward surge current per bridge element 0 25 50 75 100 125 150 175 1 2 4 6 10 20 40 60 100 ambient temperature, (c) number of cycles at 60hz fig.3 - typical forward characteristics fig.4 - typical reverse characteristics per bridge element page 2 of 2 rev. 02 : march 24, 2005 0.8 0.6 0.4 0.2 1.0 10 1.0 28 0 35 0 21 14 7 1 80 0.1 0.01 10 0.1 100 140 0 20 40 60 120 percent of rated peak reverse voltage, (%) p e a k f o r w a r d s u r g e c u r r e n t , a m p e r e s a v e r a g e f o r w a r d o u t p u t c u r r e n t , a m p e r e s i n s t a n t a n e o u s f o r w a r d c u r r e n t , a m p e r e s i n s t a n t a n e o u s r e v e r s e c u r r e n t , m i c r o a m p e r e s t j = 25c t j = 125c 0.01 100 pulse width = 300 m s 1% duty cycle t j = 25c single half sine-wave (jedec method) ta = 40c resistive or inductive load forward voltage, volts 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 aluminum substrate glass epoxy p.c.b. 1.2 1.3 1.4
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