P4KE39A 39 V Unidirectional Transient Voltage Suppressor Diode | 400 W Peak Pulse Power | DO-204AC (DO-41) HORNBY
HORNBY
The P4KE39A is a unidirectional TVS diode designed to protect sensitive electronics from high-energy transients, voltage spikes, and ESD events. With a 39 V breakdown voltage, fast clamping action, and a robust 400 W peak pulse power rating, it ensures reliable surge immunity in industrial, automotive, communication, and general-purpose protection circuits.
Key Specifications
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Breakdown Voltage (V<sub>BR</sub>): 37.05 V 40.95 V
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Working Peak Reverse Voltage (V<sub>R</sub>): 33.3 V
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Test Current (I<sub>T</sub>): 1 mA
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Clamping Voltage (V<sub>C</sub>): 53.3 V at 7.5 A
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Peak Pulse Power (P<sub>PP</sub>): 400 W (10/1000 µs)
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Reverse Leakage (I<sub>R</sub>): ≤ 5 µA at V<sub>R</sub>
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Polarity: Unidirectional
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Package: DO-204AC (DO-41)
Applications
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Industrial surge and spike protection
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Automotive electronic module protection
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AC/DC power supply input protection
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Communication and signaling line protection
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Microcontroller and sensor interface protection
Features
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High-reliability 400 W surge capability
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Fast response time for transient suppression
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Low leakage current for stable operation
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Glass-passivated junction construction
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Through-hole DO-41 package for rugged designs
