1N4728A-1N4764A

1N4728A~1N4764A is the GLASS PASSIVATED JUNCTION SILICON ZENER DIODE with VOLTAGE:3.3 to 100 Volts, POWER: 1.0 Watts).
Some property of 1N4728A~1N4764A were known, Epoxy(UL 94V-O rate flame retardant), Terminals(UL 94V-O rate flame retardant), Polarity(Color band denotes positive end), Case(Molded Glass DO-41G / Molded plastic DO-41), Mounting position(Any), Weight(0.012 ounce, 0.3 gram), Method 208 guaranteed, Packing information(B-1K per Bulk box, T/R-5K per 13" paper Reel, T/B-2.5K per tape & Ammo box), Ordering information(Suffix:"-G" to order Molded Glass Package, Suffix :"-P" to order Molded plastic Package).
At the same time 1N4728A~1N4764A is low profile package, low inductance, high temperature soldering : 260°C /10 seconds at terminals, built-in strain relief, both normal and Pb free product are available(Normal : 80~95% Sn, 5~20% Pb, Pb free: 98.5% Sn above), and plastic package has Underwriters Laboratory Flammability Classification 94V-O.
Ratings are getten at 25°C ambient temperature unless otherwise specified. PTOT(power dissipation tamb=25°C)=1W(Valid provided that a distance of 8mm from case are kept at ambient temperature), TJ(Junction temperature)=150°C, Tstg(Storage Temperature range)=-55 to +150, RthJA(Thermal resistance juntion to ambient air)=170K / W( Valid provided that leads at a distance of 4 mm from case are kept at ambient temperature), VF(Forward Voltage at IF = 200 mA)=1.2V.