FEATURES 1N4531 • • • • • 1N4531 AVAILABLE IN JAN, JANTX, AND JANTXV PER MIL-PRF-19500/116 SWITCHING DIODE METALLURGICALLY BONDED HERMETICALLY SEALED DOUBLE PLUG CONSTRUCTION MAXIMUM RATINGS AT 25 °C Operating Temperature: Storage Temperature: Surge Current A, sine 8.3mS: Surge Current B, square 8.3mS: Total Power Dissipation: Operating Current: -65°C to +175°C -65°C to +200°C 1.0A 0.704A 500mW 125mA, TA= +25°C Derating Factor: 0.83mA/°C above TA= +25°C D.C. Reverse Voltage (VRWM): 75V DC ELECTRICAL CHARACTERISTICS VF DESIGN DATA Case: Hermetically sealed glass package per MILPRF-19500/116 DO-34 outline Lead Material: Copper clad steel Lead Finish: Tin/Lead Thermal Resistance (RθJL): 250°C/W maximum at L=.375” Thermal Impedance (ZθJX): 70°C/W maximum Marking: Alpha numeric. Polarity: Cathode end is banded. Ambient (°C) IF mA 25 25 150 -55 10 100 10 100 IR Min Max Ambient V V (°C) - 0.8 1.2 0.8 1.3 25 25 150 150 VBR V (dc) Min µA Max µA Ambient (°C) IR µA 20 75 20 75 - 0.025 0.500 35.0 75.0 25 100 AC ELECTRICAL CHARACTERISTICS AT 25°C Symbol pF Min - Max 4 2.8 nsec - 5 nsec - 20 V(pk) - 5 Capacitance @ 0V pF Capacitance @ 1.5V TRR @ IF =IR=10mA, IRec = 1mA. TFR @ IF = 50mA VFR @ IF = 50mA IRELAND - GORT ROAD, ENNIS, CO. CLARE PHONE: TOLL FREE: FAX: WWW.MICROSEMI.COM +353 65 6840044 +186 62 702434 +353 65 6822298 U.S.A. DOMESTIC SALES CONTACT PHONE: TOLL FREE: (617) 926 0404 1 800 666 2999 Min Max V V 100 -