SEMTECH CORP 56E D MM 614391339 0002671 51T MESET 1N3645 SM20 HIGH VOLTAGE iN3646 SM25 STANDARD RECOVERY 1N3647 SMSO AXIALLEADED HERMETICALLY SEALED HIGH QUICK REFERENCE VOLTAGE STANDARD RECOVERY RECTIFIER DIODE DATA High thermal shock resistance VR = 2kV - 3kV Hermetically sealed with Metoxilite fused metal oxide IF =600mA Multi-junction construction * tr =2.5uS e Low reverse leakage currents IR =T.0uA Subminiature body size ABSOLUTE MAXIMUM RATINGS @ 25C unless otherwise specified) Symbol 1N3645 1N3646 _1N3647 Unit SM20 SM25 SM30 Working reverse voltage VRWM 2000 2500 3000 Vv Repetitive reverse voltage VRRM 2000 2500 3000 Vv Average forward current IF(AV) _ 600 mA (@ 55C in oil) Repetitive surge current IFRM 25 A (@ 55C in oil, lead length 0.375") Non-repetitive surge current IFSM _ 14 - A (tp = 8.3mS, @ VR & Tjmax ) Storage temperature range TsTG + -65 to +175 > C Operating temperature range Top + -65 to +175 > C MECHANICAL These products are qualified to A MIL-S-19500/279 and are preferred - parts as listed in MIL-STD-701. They can be supplied fully released as JAN and JANTX versions. B These products are available in Europe D 4 to DEF STAN 59-61 (PART 80)/034, { c a) NOTES: 1. LEAD DIAMETER UNCONTROLLED B OVER THIS REGION. Weight = 0.01802 DS-045 2-141 SEMTECH CORPORATION SEMTECH CORP SBE D MM 81435913359 COO0eb?e 4Sb MBSET iN3646 SM25 HIGH VOLTAGE 1N3647 SM30 STANDARD RECOVERY CHARACTERISTICS @ 25C unless otherwise specified) Symbol 1N3645 1N3646 = 1N3647 Unit m) 5M20 SM25 SM30 Average forward current for sine wave - max. pcb mounted IF(AV) 260 mA - max. in unstirred oil IF(AV) + 600 > mA It for fusing (t = 8.3mS) max. rt + 0.026 _> AS Forward voltage drop max. @ Ip = 250mA, Tj = 25C VF 5.00 - Vv Reverse current max. @ VrwM, Tj = 25C IR + 1.00 pA @ Vrw, Tj = 100C IR 20.0 pA Reverse recovery time max. ter _ 25 _>+ HS 50mA IF to 100mA Ip. Recover to 25mA Irr, Junction capacitance typ. CG _ .0 pF @ VR =5V, f = 1IMHz Thermal resistance - junction to oil Unstirred @ 55C Rgjo 30.0 C/W Stirred @ 55C Rgo 18.0 + C/W Thermal resistance - junction to amb. | Reja 90.0 C/W on 0.06" thick pcb. loz copper. Vr (Volts) Fig 1. Typical junction capacitance as a function of reverse voltage. SEMTECH CORPORATION 2-142 DS-045 SEMTECH CORP SSE D MM 8139139 0002673 392 MMSET 1N3645 SM20 HIGH VOLTAGE 1N3646 SM25 STANDARD RECOVERY INS647 SMO Stirred oil Vd Typ @T, = 175C Unstirred oil Ir Pr ( Amps) Max @T, = 175C (Watts) Peb mounted Vr (Volts) Ta (C) Fig 2. Forward voltage drop as a function of Fig 3. Power derating in oil and air. forward current. XOST 80 | | | TT T T R TT les = E, 1 OE FT Cc 60 et Pr Irs (Watts) (Amps) IN Le 25C 40 hN UI NTN 10o0re-T~ | pall 20 PN [-M ~~ ov 10" 10 Ir (mA) RC time constant (mS) Fig 4. Forward power dissipation as a function of Fig 5. Maximum ratings for capacitive loads. forward current, for sinusoidal operation. DS-045 2-143 SEMTECH CORPORATION