1N3154UR-1 THRU 1N3157UR-1 AVAILABLE IN JAN, JANTX, JANTXV AND JANS PER MIL-PRF-19500/158 TEMPERATURE COMPENSATED ZENER REFERENCE DIODES LEADLESS PACKAGE FOR SURFACE MOUNT 8.4 VOLT NOMINAL ZENER VOLTAGE METALLURGICALLY BONDED, DOUBLE PLUG CONSTRUCTION
Operating Temperature: to +175�C Storage Temperature: +175�C DC Power Dissipation: @ +50�C Power Derating: / �C above +50�C
MAXIMUM VOLTAGE TEMPERATURE EFFECTIVE ZENER TEMPERATURE RANGE TEMPERATURE IMPEDANCE STABILITY COEFFICIENT ZZT �V ZT MAXIMUM (Note 1) (Note / �C.01.01.005.005.002.002.001.001
CASE: DO-213AA, Hermetically sealed glass case. (MELF, SOD-80, LL34) LEAD FINISH: Tin / Lead POLARITY: Diode to be operated with the banded (cathode) end positive. MOUNTING POSITION: Any.
Zener impedance is derived by superimposing on lZT A 60Hz rms a.c. current equal 10% of lZT. The maximum allowable change observed over the entire temperature range i.e., the diode voltage will not exceed the specified mV at any discrete temperature between the established limits, per JEDEC standard No.5.
MOUNTING SURFACE SELECTION: The Axial Coefficient of Expansion (COE) Of this Device is Approximately +6PPM/�C. The COE of the Mounting Surface System Should Be Selected To Provide A Suitable Match With This Device.
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TYPICAL CHANGE OF TEMPERATURE COEFFICIENT WITH CHANGE IN OPERATING CURRENT 108
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