, lj nc. 20 stern ave. springfield, new jersey 07081 u.s.a. telephone: (973) 376-2922 (212) 227-6005 fax: (973) 376-8960 3sm2 - 3smo axial leaded hermetically sealed standard recovery rectifier diode description vr = 200 - 1000v l 5.0a vf = i.ov features low reverse leakage current hermetically sealed in fused metal oxide good thermal shock resistance low forward voltage drop avalanche capability absolute maximum ratings electrical specifications @ t = 25c unless otherwise specified. working reverse voltage average forward current @ 55c in free air, lead length 0.375" repetitive surge current @ 55c in free air, lead length 0.375" non-repetitive surge current (tp = 8.3ms @ vr & tjmax) (tp = 8.3ms, @ vr & 25c) storage temperature range symbol rwm 'p(av) frm fsm stg 3sm2 3SM4 3sm6 200 400 600 3sm8 800 3smo 1000 5.0 25 100 150 -65 to +175 units v a a a c nj semi-conductors reserves the right to change test conditions, parameter limits and package dimensions without notice. information furnished by nj semi-conductors is believed to.be both accurate and reliable at the time of going to press. however, nj semi-conductors assumes no responsibility for any errors or omissions discovered in its use. nj semi-conductors encourages customers to verify that datasheets are current before placing orders. quality semi-conductors
electrical specifications average forward current (sine wave) - max. ta = 55c - max. l = 3/8"; tl = 55c ft for fusing (t = 8.3ms) max forward voltage drop max. @ if = 3.0a, t=25c reverse current max. @vrwm,t] = 25c @vrwm,tj = 125c reverse recovery time max. 0.5a if to 1.0a iru recovers to 0.25a irm(rec) junction capacitance typ. @ vr = 5v, f = 1 mhz symbol f(av) f(av) ft vf ir 'r trr cj 3sm2 3SM4 3sm6 3sm8 3smo 3.0 5.0 42 1.0 1.0 60 2.0 92 units a a2s v ua ms pf thermal characteristics thermal resistance-junction to lead lead length = 0.375" lead length = 0.0" thermal resistance-junction to ambient on 0.06" thick pcb. 1 oz. copper symbol r,,jl r9jl r8ja 3sm2 3SM4 3sm6 3sm8 3smo 22 4 47 units c/w c/w band indicates .975 win. 24.8mm q c 1 ^. .175 i yp. 4'4mm .145 max, c 3.68mm 1 + 1 i f n .300 max. "*~7.62mnth 2.30 min. 4 1 .040 001 1.02mm .03 .115 typ. 2.9mm
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