General Semiconductor ZPY91
The ZPY1 is a silicon diode operated in forward direction.FEATURES
♦ Silicon Planar Power Zener Diodes ♦ For use in stabilizing and clipping circuits with high power rating max. .161 (4.1) min. 1.102 (28.0) max. ∅ 0.102 (2.6) ♦ The Zener voltages are graded according to the international E12 standard. Smaller voltage tolerances and other Zener voltages are available upon request. ♦ These diode are also available in the MELF case with type designation ZMY1 … ZMY100. 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 are 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 1.31) 175 – 55 to +175 Watts °C °C SYMBOL MIN. TYP. MAX. UNIT Thermal Resistance Junction to Ambient Air RthJA – – 1301) °C/W NOTES: (1) Valid provided that leads at a distance of 10 mm from case are kept at ambient temperature.