TECHNICAL DATA SHEET 6 Lake Street, Lawrence, MA 01841 1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803 Website: http: //www.microsemi.com – METALLURGICALLY BONDED – HERMETICALLY SEALED – DOUBLE PLUG CONSTRUCTION SWITCHING DIODE Qualified per MIL-PRF-19500/193 DEVICES QUALIFIED LEVELS 1N459 JAN MAXIMUM RATING AT 25°C Operating Temperature: Storage Temperature: Max operating Current: Total Power Dissipation: Derating Factor: D.C. Reverse Voltage (VRWM): -65°C to +150°C -65°C to +175°C 120mA 500mW 0.32mA/°C above TA = +25°C 175V DC ELECTRICAL CHARACTERISTICS VF IR Ambient (°C) IF mA Min V Max V Ambient (°C) V (dc) Min µA Max µA 25 100 - 1.0 25 175 - 0.025 -55 100 1.2 25 200 - 1.0 150 175 - 5.0 LDS-0025 Rev. 2 (100185) DO-35 Page 1 of 2 TECHNICAL DATA SHEET 6 Lake Street, Lawrence, MA 01841 1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803 Website: http: //www.microsemi.com PACKAGE DIMENSIONS NOTES: 1. 2. 3. Dimensions are in inches. Millimeters are given for general information only. In accordance with ASME Y14.5M, diameters are equivalent to Φx symbology. Type Ltr (DO-35) BD BL LD Dimensions Inches Millimeters Min Max Min Max .056 .075 1.42 1.90 .140 .180 3.56 4.57 .018 .022 0.46 0.56 (DO-7) LL BD BL LD LL 1.000 .085 .230 .018 1.000 1.500 .130 .300 .023 1.500 25.40 2.16 5.84 0.46 25.40 38.10 3.30 7.62 0.58 38.10 FIGURE 1 Physical dimensions: TYPES: 1N457, 1N458, and 1N459 DESIGN DATA Case: Hermetically sealed glass package per MIL-PRF-19500/193. DO-35 outline. Lead Material: Copper clad steel Lead Finish: Tin / Lead Thermal Impedance (ZθJX): 70°C/W maximum Polarity: Cathode end is banded. Marking: Blue body coat Black digits LDS-0025 Rev. 2 (100185) Page 2 of 2