1N4148-1 ESA QUALIFIED FEATURES * * * * Qualified to ESA/SCC 5101/023 Metallurgical Bond DO-35 Package Hermetically Sealed Glass Package 1.53 / 2.28 12.7min MAXIMUM RATINGS Operating Temperature: Storage Temperature: Surge Current, 1.0us: Thermal Impedance: Thermal Resistance: Total Power Dissipation: Continuous D.C. Forward Current: -65oC to +175oC -65oC to +175oC 2.0A 25oC/W max. (See Note 4) 250oC/W max. 500mW 3.05 min 5.08 max 200mA 0.458 min 0.558 max Dimensions In Millimetres ELECTRICAL CHARACTERISTICS at 25oC unless otherwise specified. IR @ 20V dc IR @ 75V dc nA min uA max 25 Capacitance (Note 3) pF min max 4.0 NOTE 1: NOTE 2: NOTE 3: NOTE 4: VBR @ 100uA min tRR (Note 1) nsec min max 5 VF @ IF = 10mA V max 0.5 min 100 V dc max min max 1.0 IR @ 75V dc, TA = 150oC uA min max 100 tFR (Note 2) nsec min max 20 IF =10mA, VR = 6V, iRR = 1mA, RL = 100 IF = 50mA dc VR = 0V, f = 1MHz, Vsig = 50mV (pk to pk). Thermal Impedance conditions as follows: IH = 300mA, IM = 1mA, tH = 10mS, tMD = 70uS. MECHANICAL CHARACTERISTICS CASE: Hermetically Sealed Glass Package. LEAD MATERIAL: Cu clad steel LEAD FINISH: L4 (solder dipped) MARKING: Alpha numeric. POLARITY: Cathode Band. Industrial Estate, Gort Road, Ennis, Co. Clare, Ireland. * Tel : 353 - 65 - 40044 Datasheet: MSC0312A.PDF * Fax : 353 - 65 - 22298 * Email sales@msc-ireland.ie