Homedatasheet1SMB2EZ190

1SMB2EZ190 Datasheet

Surface Mount Silicon Zener Diode ( Voltage - 11 to 200 Volts Power - 2.0 Watts )
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Features, Applications
SURFACE MOUNT SILICON ZENER DIODE VOLTAGE TO 200 Volts Power - 2.0 Watts

FEATURES l Low profile package l Built-in strain relief Glass passivated junction Low inductance Excellent clamping capability Typical ID less than �g A above 11V High temperature soldering �J /10 seconds at terminals Plastic package has Underwriters Laboratory Flammability Classification 94V-O

MECHANICAL DATA Case: JEDEC DO-214AA, Molded plastic over passivated junction Terminals: Solder plated, solderable per MIL-STD-750, method 2026 Polarity: Color band denotes positive end (cathode) except Brdirectional Standard Packaging: 12mm tape (EIA-481) Weight: 0.003 ounce, 0.093 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings 25 �J ambient temperature unless otherwise specified. SYMBOL Peak Pulse Power Dissipation (Note A) PD Derate above 75 �J Peak forward Surge Current 8.3ms single half sine-wave superimposed on rated IFSM load(JEDEC Method) (Note B) Operating Junction and Storage Temperature Range TJ,TSTG NOTES: A. Mounted 5.0mm (.013mm thick) land areas. B. Measured on 8.3ms, single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum.

ELECTRICAL CHARACTERISTICS A=25 �J unless otherwise noted) VF=1.2 V max IF=500 mA for all types

NOTES: 1. TOLERANCES - Suffix indicates 5% tolerance any other tolerance will be considered as a special device. 2. ZENER VOLTAGE (Vz) MEASUREMENT - guarantees the zener voltage when measured ms 10ms from the diode body, and an ambient temperature �J 3.ZENER IMPEDANCE (Zz) DERIVATION - The zener impedance is derived from the 60 cycle ac voltage, which results when an ac current having an rms falue equal 10% of the dc zener current (IZT or IZK) is superimposed on IZT or IZK. 4. SURGE CURRENT (Ir) NON-REPETITIVE - The rating listed in the electrical characteristics table is maximum peak, non-repetitive, reverse surge current of 1/2 square wave or equivalent sine wave pulse of 1/120 second duration superimposed on the test current, IZT, per JEDEC standards, however, actual device capability is as described in Figure 3.

IR, REVERSE LEADAGE(uAdc) @VR AS SPECIFIED IN ELEC. CHAR. TABLE
VZ, ZENER VOLTAGE @IZT (VOLTS) VZ, ZENER VOLTAGE @IZT (VOLTS)

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