Bourns 5-Element Uni-Directional TVS Diode Array 500 W, 4-Pin SOT-143 CD143A-SR05

Bourns CD143A-SR05 is a 5-element, uni-directional TVS diode array designed for transient voltage suppression in electronic circuits. It provides a peak pulse power dissipation of 500 W and features a complex diode configuration designed for surface mount applications. The device utilizes a compact and reliable SOT-143 4-pin package with dimensions optimized for space constrained layouts.

This diode array has a minimum breakdown voltage of 6 V and a clamping voltage of 20 V, effectively protecting electronic devices from voltage surges and spikes. It operates within a broad temperature range of -55°C to 150°C and tolerates a maximum peak pulse current of 30 A, making it suitable for harsh industrial and automotive environments.

Key electrical characteristics include a test current of 1 mA and a maximum reverse leakage current of 5 µA, ensuring minimal power loss in normal operation. The device provides reliable electrostatic discharge (ESD) protection and transient voltage suppression, crucial for safeguarding sensitive semiconductor components.

With precise dimensions of 3.04 mm length, 1.39 mm width, and 1.04 mm height, the CD143A-SR05 supports compact PCB designs while delivering robust protection. It is widely used in power connectors, industrial control panels, telecommunications, and automotive electronic systems where transient voltages are a concern.

It is non-compliant with automotive standards but certified as a new, quality semiconductor component. This product meets application needs in power electronic devices, industrial controls, and telecommunications circuitry.

Supports transient voltage suppression with a complex diode array configuration. Minimum breakdown voltage of 6 V suitable for protecting sensitive electronics. Features 4 pins in a SOT-143 package enabling surface mount applications.

Operates reliably from -55°C to 150°C for wide temperature range environments. Clamping voltage is rated at 20 V to limit voltage spikes effectively. Maximum peak pulse current capability of 30 A with ESD protection integrated.

Compact dimensions of 3.04 mm length, 1.39 mm width, and 1.04 mm height maximize PCB space efficiency. Reversible automotive standard is not applicable; designed for general semiconductor transient protection. Ideal for power and signal line protection in industrial, automotive, and electronic device applications.

Browse EnvMart’s extensive range of semiconductor components and discrete TVS Diode Arrays to find solutions tailored to your electronics design requirements.