, LJnc. TELEPHONE: (973) 376-2922 (212) 227-6005 FAX: (973) 376-8960 20 STERN AVE. SPRINGFIELD, NEW JERSEY 07081 U.S.A. 3SM2 - 3SMO Axial Leaded Hermetically Sealed Standard Recovery Rectifier Diode Features Description Low reverse leakage current Hermetically sealed in fused metal oxide VR = 200 - 1000V L Good thermal shock resistance 5.0A Low forward voltage drop Avalanche capability VF = i.ov Absolute Maximum Ratings Electrical specifications @ T = 25°C unless otherwise specified. Symbol Working Reverse Voltage RWM Average Forward Current @ 55°C in free air, lead length 0.375" Repetitive Surge Current @ 55°C in free air, lead length 0.375" Non-Repetitive Surge Current (tp = 8.3mS @ VR & TJMAX) (tp = 8.3mS, @ VR & 25°C) Storage Temperature Range 'p(AV) FRM FSM STG 3SM2 3SM4 3SM6 3SM8 3SMO 200 400 600 800 1000 Units V 5.0 A 25 A 100 150 A -65 to +175 °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 Units Symbol 3SM2 Average Forward Current (sine wave) - max. TA = 55°C - max. L = 3/8"; TL = 55°C 3SM4 3SM6 3SM8 3SMO 3.0 5.0 A F(AV) Ft for fusing (t = 8.3mS) max Ft 42 A2S Forward Voltage Drop max. @ IF = 3.0A, T=25°C VF 1.0 V IR 1.0 60 uA 'R trr 2.0 MS Cj 92 PF F(AV) Reverse Current max. @V R W M ,T] = 25°C @V R W M ,Tj = 125°C 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 Thermal Characteristics Symbol Thermal Resistance-Junction to Lead Lead length = 0.375" Lead length = 0.0" R,,JL R9JL Thermal Resistance-Junction to Ambient on 0.06" thick pcb. 1 oz. copper BAND INDICATES q 3SM2 R 8JA ^. .175 I YP. c1 4'4mm 1 if .145 MAX, C 3.68mm 1 n 4 + 1 .040 ±001 1.02mm ±.03 .975 WIN. 24.8mm .300 MAX. "*~7.62mnTH .115 TYP. 2.9mm 2.30 MIN. 3SM4 3SM6 3SM8 3SMO Units 22 4 °c/w 47 °c/w