1N17421 Datasheet | Motorola Semiconductor

l N429 1N1530 series 1N1735 series l N4057 series Temperature pensated zener reference diodes designed for reference sources utilizing an oxide-passivated junction for long-term voltage stability, high uniformity and reliable operation. CASE 41 CASE 57 MAXIMUM RATINGS ITA = 250 C unless otherwise noted) Rating Symbol Value Unit Operating Junction Temperature Range -55 to +175 °c Storage Temperature Range Tstg -65 to +175 °c Power Dissipation- Po See Tables 1 & 2- - The devices are designed for operation at the specified IZT. Operation above or below this current is not remended, since the temperature coefficient is no longer valid. See Note 2 and Figure 4. MECHANICAL CHARACTERISTICS Case: Discrete glass package devices encapsulated in a transfer molded plastic package Polarity: Indicated by diode symbol except 1N429, 1N1530, 1N1530A where cathode indicated by polarity dot of contrasting color Weight: Varies according to device 0.5 grams (min) 12 grams (max) Finish: All external surfaces corrosion resistant and leads readily solderable. 1-5 1N429/1 N1530/1 N1735/ 1N4057 (continued) TABLE 1 - ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) TYPE CASE Zener Voltage±5% Vz @ IZT Volts m A l N4057 41-8 10 l...