rs1a-lfr thru rs1m-lfr page: 1 frontier electronics corp. 667 e. cochran street, simi valley, ca 93065 tel: (805) 522-9998 fax: (805) 522-9989 e-mail: frontiersales@frontierusa.com web: http: //www.frontierusa.com 1a surface mount fast recovery rectifiers rs1a-lfr thru rs1m-lfr features z for surface mounted applications z low profile package z built-in strain relief z easy pick and place z plastic material used carries underwriters laboratory classification 94 v-0 z fast switching z glass passivated chip junction z high temperature soldering: 250/10 seconds at terminals z rohs mechanical data z case: molded plastic, do-214ac (sma) dimensions in inches and (millimeters) z terminals: solder plated z polarity: indicated by cathode band z weight: 0.064 grams maximum ratings and electrical c haracteristics ratings at 25 c ambient temperature unless otherwise specified single phase, half wave, 60 hz, resistive or inducti ve load. for capacitive load, derate current by 20% ratings symbol rs1a-lf r rs1b-lf r rs1d-lf r rs1g-lf r rs1j-lf r rs1k-lf r rs1m-lf r units maximum recurrent peak reverse voltage v rrm 50 100 200 400 600 800 1000 v maximum rms voltage v rms 35 70 140 280 420 560 700 v maximum dc blocking voltage v dc 50 100 200 400 600 800 1000 v maximum average forward rectified current at tl=90 c i o 1.0 a maximum overload surge 8.3ms single half sine-wave i fsm 30 a typical junction capacitance (note 1) c j 15 pf typical thermal resistance (note 2) jl 30 c/w storage temperature range t stg -55 to + 150 c operating temperature range t op -55 to + 150 c electrical characteristics (a t t a =25 c unless otherwise noted) characteristics symbol rs1a-lf r rs1b-lf r rs1d-lf r rs1g-lf r rs1j-lf r rs1k-lf r rs1m-lf r units maximum forward voltage at 1.0a and 25 c v f 1.3 v maximum reverse current at 25 c i r 5 a maximum reverse recovery time (note 3) t rr 150 250 500 ns marking rs1a rs1b rs1d rs1g rs1j rs1k rs1m note: 1. measured at 1.0 mhz and applied reverse voltage of 4.0 v 2. thermal resistance from junction to terminal 5.0mm 2 (.013 mm thick) land areas 3. reverse recovery test conditions: i f =0.5a, i r =1.0a, i rr =0.25a .220(5.6) .192(4.9) .190(4.8) .157(4.0) .071(1.8) .035(0.9) .110(2.8) .090(2.3) .080(2.0) .100(2.6) .080(2.0) .065(1.65) .040(1.25) cathode .177(4.5) .071(1.8) .087(2.2) soldering pad
rs1a-lfr thru rs1m-lfr page: 2 0 20 40 60 80 100 120 140 ratings and characteristic curve rs1a-lfr thru rs1m-lfr 1.0 cycle fig. 5-maximum forward surge current 30 20 10 0 peak forward surge current amperes 1 10 100 number of cycles at 60 hz t a =75 o c 8.3ms single half sine-wave jedec method instantaneous reverse current, micro amperes(ua) +0.5a 0 -0.25a -1.0a trr 1cm set time base for 10/20 ns/cm fig. 1-test circuit diagram and reverse recovery time characteristic pulse generator ( note 2 ) (+) 25 v dc (approx) (-) d.u.t. 1 non inductive oscilloscope ( note 1 ) 50 no inductive 10 no inductive (-) (+) note: 1. rise time=7ns max. input impedance=1 mohms 22pf 2. rise time =10ns max. source impedance=50 ohms lead temperature ( o c) fig. 2-maximum current derating curve 0 20 40 60 80 100 120 140 160 180 200 io-average rectified current ( a ) 1.0 0.8 0.6 0.4 0.2 0 fig. 3-typical junction capacitance f = 1 mhz vsig = 50 mvp-p tj=25 o c capacitance, pf 20 10 1 1 10 100 reverse voltage, volts fig. 4-typical reverse characteristics t j =100 o c t j =25 o c 100 10 1.0 0.1 .01 percent of rated peak reverse voltage 10 1.0 0.1 .01 instantaneous forward current , i f ( a ) .4 .6 .8 1.0 1.2 1.4 1.6 instantaneous forward voltage, (v) fig. 6-typical instantaneous forward characteristics tj=25 o c pulse width =300us 1% duty cycle p.c.b mounted on 0.30.3?(8.08.0mm) copper pad areas single phase half wave 60hz resistive or inductive load
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