1N17421

1N1742A : lN429 1N1530 series 1N1735 series lN4057 series Temperature compensated 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 Operating Junction Temperature Range Storage Temperature Range Power Dissipation* Symbol TJ Tstg Po Value -55 to +175 -65 to +175 See Tables 1 & 2* Unit °c °c W *The devices are designed for operation at the specified IZT. Operation above or below this current is not recommended, since the temperature coefficient is no longer valid. See Note 2 and Figure 4. MECHANICAL CHARACT.