1N4742 Datasheet | General Semiconductor

1N4728 THRU 1N4764 ZENER DIODES Features DO-41 Glass - Silicon Planar Power Zener Diodes - For use in stabilizing and clipping circuits with high power rating. - Standard Zener voltage tolerance is ±10%. Add suffix “A” for ±5% tolerance. Other Zener voltages and tolerances are available upon request. - These diodes are also available in the MELF case with type designation ZM4728 thru ZM4764 max. .161 (4.1) min. 1.102 (28.0) max. ∅ 0.102 (2.6) Cathode Mark min. 1.102 (28.0) max. ∅ 0.034 (0.86) MECHANICAL DATA Case: DO-41 Glass Case Weight: approx. 0.35 g Dimensions in inches and (millimeters) MAXIMUM RATINGS Ratings at 25°C ambient temperature unless otherwise specified. SYMBOL VALUE UNIT Zener Current (see Table “Characteristics”) Power Dissipation at Tamb = 25°C Junction Temperature Storage Temperature Range Ptot Tj TS 1.0(1) 175 - 65 to +175 Watts °C °C Characteristics at Tamb = 25 °C SYMBOL MIN. TYP. MAX. UNIT Thermal Resistance Junction to Ambient Air Forward Voltage at IF = 200 mA RthJA - - 170(1) °C/W VF - - 1.2 Volts...