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1N4744 Datasheet(PDF) 1 Page - EIC discrete Semiconductors |
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1N4744 Datasheet(HTML) 1 Page - EIC discrete Semiconductors |
1 / 2 page 1N4728 - 1N4764 SILICON ZENER DIODES Z1110 - Z1200 VZ : 3.3 - 200 Volts PD : 1 Watt FEATURES : * Complete voltage range 3.3 to 200 Volts * High peak reverse power dissipation * High reliability * Low leakage current MECHANICAL DATA * Case : DO-41 Molded plastic * Epoxy : UL94V-O rate flame retardant * Lead : Axial lead solderable per MIL-STD-202, method 208 guaranteed * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.339 gram MAXIMUM RATINGS Rating at 25 °C ambient temperature unless otherw ise specified Rating Symbol Value Unit DC Power Dissipation at TL = 50 °C (Note1) PD 1.0 Watt Maximum Forward Voltage at IF = 200 mA VF 1.2 Volts Maximum Thermal Resistance Junction to Ambient Air (Note2) R θJA 170 K / W Junction Temperature Range TJ - 55 to + 175 °C Storage Temperature Range Ts - 55 to + 175 °C Note : (1) TL = Lead temperature at 3/8 " (9.5mm) from body (2) Valid provided that leads are kept at ambient temperature at a distance of 10 mm from case. 0 25 50 75 100 125 150 175 TL, LEAD TEMPERATURE ( °C) UPDATE : SEPTEMBER 9, 2000 0.25 0.50 0.75 1.00 1.25 L = 3/8" (9.5mm) Fig. 1 POWER TEMPERATURE DERATING CURVE DO - 41 Dimensions in inches and ( millimeters ) 1.00 (25.4) MIN. 0.107 (2.7) 0.080 (2.0) 0.205 (5.2) 0.166 (4.2) 1.00 (25.4) MIN. 0.034 (0.86) 0.028 (0.71) |
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