Homedatasheet1SMA14AT3

1SMA14AT3 Datasheet

Zener Transient Voltage Suppressors
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Features, Applications

Specification Features: Reverse Stand�Off Voltage Range: 78 V Peak Power 400 Watts @ 1.0 ms ESD Rating of Class 3 (>16 kV) per Human Body Model Pico Seconds Response Time V to BV) Flat Handling Surface for Accurate Placement Package Design for Top Side or Bottom Circuit Board Mounting Available in Tape and Reel Low Profile Package Mechanical Characteristics: Case: Void�free, transfer-molded plastic Maximum Case Temperature for Soldering Purposes: 260�C for 10 seconds Finish: All external surfaces are corrosion resistant with readily solderable leads Polarity: Cathode indicated by molded polarity notch Mounted Position: Any MAXIMUM RATINGS AND CHARACTERISTICS

Rating Peak Power Dissipation 10/1000 �s (Note 1) Peak Forward Surge = 25�C (JEDEC Method, Note 2) Thermal Resistance from Junction to Lead Thermal Resistance from Junction to Ambient Instantaneous Forward Voltage 40 A

PLASTIC SURFACE MOUNT ZENER OVERVOLTAGE TRANSIENT SUPPRESSORS � 78 VOLTS VR 400 WATTS PEAK POWER

Operating and Storage Junction Temperature Range TJ, Tstg * FR4 Board, using Motorola minimum recommended footprint, as shown in case 403B outline dimensions spec. 1. Non�repetitive current pulse. 2. Measured 0.3 ms single half sine�wave or equivalent square wave, duty cycle = 4 pulse per minute maximum.

* TOLERANCE AND VOLTAGE DESIGNATION Tolerance designation � The type number listed indicates a tolerance of �5%.

100 Ippm, PEAK PULSE CURRENT NONREPETITIVE PULSE WAVEFORM SHOWN IN FIGURE = 25�C

25�C PW (ID) IS DEFINED AS THE POINT WHERE THE PEAK CURRENT PEAK VALUE DECAYS 50% OF Ipp. Ippm HALF VALUE 10/1000 �s WAVEFORM AS DEFINED BY R.E.A.

120 PEAK PULSE DERATING % OF PEAK POWER OR CURRENT x 1000 WAVEFORM AS DEFINED BY R.E.A.

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