SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
Professional Electronic Component Distributor!
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SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
Professional Electronic Component Distributor!
2026/1/16
P4SMA39CAHE3/5A is a Zener-type TVS diode under Vishay’s P4SMA TransZorb® series. It adopts SMA surface mount packaging, meets AEC-Q101 qualification,delivers 400W peak pulse power,and excels in transient voltage suppression,suitable for rugged electronic systems requiring reliable circuit protection.
Category:Circuit Protection,Transient Voltage Suppressors (TVS),TVS Diodes
Mfr:Vishay General Semiconductor - Diodes Division
Series:P4SMA, TransZorb®
Packaging:Tape & Reel
Type:Zener
Voltage - Reverse Standoff (Typ):33.3V
Voltage - Breakdown (Min):37.1V
Voltage - Clamping (Max) @ Ipp:53.9V
Current - Peak Pulse (10/1000µs):7.4A
Power - Peak Pulse:400W
Operating Temperature:-65°C ~ 150°C (TJ)
Qualification:AEC-Q101
Mounting Type:Surface Mount
Package / Case:DO-214AC, SMA
Precise Voltage Clamping:Features typical reverse standoff voltage of 33.3V and maximum clamping voltage of 53.9V @ Ipp, effectively limiting transient voltage spikes to protect sensitive components.
400W Peak Power:Delivers 400W peak pulse power and 7.4A peak pulse current (10/1000µs waveform), capable of withstanding high-energy transients from lightning, electrostatic discharge (ESD), and voltage surges.
Wide Temperature Adaptability:Operates stably over a broad junction temperature range of -65°C to 150°C, adapting to extreme cold and high-heat working conditions.
SMA Packaging:Adopts DO-214AC (SMA) surface mount package, offering compact size, excellent heat dissipation, and compatibility with high-volume automated assembly processes.
Zener Protection Mechanism:Utilizes Zener diode technology to provide fast response to transient voltages, with low leakage current under normal operating conditions.
High Reliability:Manufactured by Vishay, a leading semiconductor provider, with strict quality control to ensure long-term operational stability and durability.
Low Parasitic Parameters:Optimized package design minimizes parasitic capacitance and inductance, ensuring fast response speed to ultra-fast transient events.
Automotive Sensors:Used in ABS wheel speed sensors and engine control sensors to protect sensitive sensing components from transient voltage damage.
Power Management:Integrated into DC-DC converters for consumer electronics to shield internal circuits from voltage spikes during power switching.
Industrial Controls:Installed in PLC input/output interfaces to resist transient voltage interference in industrial workshops and harsh environments.
Communication Modules:Utilized in 4G/5G IoT modules to protect signal ports from lightning-induced transients and ESD during outdoor deployment.
Automotive Lighting:Applied in LED headlight drivers and taillight control circuits to suppress voltage surges from the automotive electrical system.
Portable Devices:Used in power banks and portable chargers to protect battery management systems (BMS) from transient voltages during charging and discharging.
Automotive HVAC:Integrated into vehicle air conditioning control units to ensure stable operation against voltage fluctuations in the automotive power supply.
P4SMA39CAHE3/5A is a high-reliability,automotive-grade Zener TVS diode with excellent transient voltage suppression capability,wide temperature adaptability,and compact packaging.It is widely used in automotive and industrial electronic devices to safeguard circuits from transient voltage hazards, ensuring system stability and longevity.