SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
Professional Electronic Component Distributor!
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SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
Professional Electronic Component Distributor!
2026/7/29
The P6SMB36A is a high-performance transient voltage suppressor diode designed to protect sensitive electronic circuits from voltage surges caused by lightning strikes, inductive switching and other transient events. With fast response time, high surge absorption capability and compact SMB packaging, it provides reliable overvoltage protection for industrial, automotive and consumer electronic systems.
Category: Circuit Protection, Transient Voltage Suppressors (TVS), TVS Diodes
Voltage - Clamping (Max) @ Ipp: 49.9V
Mfr: Littelfuse Inc.
Current - Peak Pulse (10/1000µs): 12.2A
Series: P6SMB
Power - Peak Pulse: 600W
Packaging: Tape & Reel (TR), Cut Tape (CT), Digi-Reel®
Power Line Protection: No
Part Status: Active
Applications: General Purpose
Type: Zener
Operating Temperature: -55°C ~ 150°C (TJ)
Unidirectional Channels: 1
Mounting Type: Surface Mount
Voltage - Reverse Standoff (Typ): 30.8V
Package / Case: DO-214AA, SMB
Voltage - Breakdown (Min): 34.2V
Supplier Device Package: DO-214AA (SMBJ)
High Surge Protection Capability: The P6SMB36A provides 600W peak pulse power capability, allowing it to absorb high-energy transient voltage pulses and protect downstream components from sudden overvoltage conditions. It is especially effective in circuits exposed to unstable power supplies, inductive switching or external electrical disturbances.
Fast Response Time: The TVS diode responds within an extremely short time when abnormal voltage occurs, quickly clamping the surge voltage to a safer level before it damages sensitive electronic components. This fast protection mechanism improves overall system reliability.
Unidirectional TVS Protection: The device adopts a unidirectional TVS structure, making it suitable for DC power lines and circuits where voltage polarity remains fixed. It provides effective protection against positive voltage surges while also offering reverse voltage protection characteristics similar to a Zener diode.
Low Clamping Voltage Performance: With a maximum clamping voltage of approximately 49.9V, the device limits excessive transient voltage to protect sensitive semiconductor components. Lower clamping voltage helps reduce electrical stress on protected circuits.
Compact SMB Surface-Mount Package: The P6SMB36A uses a standard DO-214AA (SMB) surface-mount package, allowing easy PCB assembly and saving board space. The package is compatible with automated SMT production processes, making it suitable for high-volume manufacturing.
Power Supply Protection: The P6SMB36A is widely used on DC power input lines to suppress voltage spikes caused by power fluctuations, lightning surges and switching operations.
Industrial Control Equipment: Industrial controllers, PLCs and automation systems integrate TVS diodes to protect control circuits from electrical interference and transient voltage events.
Automotive Electronics: Vehicle electronic modules use TVS protection devices to protect ECUs, sensors and communication circuits from voltage transients generated by automotive power systems.
Communication Equipment: Network devices, routers and communication modules use TVS diodes to protect interfaces and power rails against external surge events.
Consumer Electronics: Smart devices, adapters and electronic products use TVS protection components to improve product safety and durability against abnormal voltage conditions.
The P6SMB36A combines high surge absorption capability, fast response speed, low clamping voltage and compact SMB packaging, making it a reliable TVS protection solution for industrial, automotive and consumer electronic applications requiring effective transient voltage protection.