SMBJ16CA

Voltage - Clamping (Max) @ Ipp:	26V
Supplier Device Package:	SMB (DO-214AA)
Package / Case:	DO-214AA, SMB
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	600W
Current - Peak Pulse (10/1000µs):	23.1A
Series:	SMBJ
Voltage - Breakdown (Min):	17.8V
Voltage - Reverse Standoff (Typ):	16V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

The SMBJ16CA is a transient voltage suppressor diode, or TVS, that provides protection against voltage transients due to electrical fast transients (EFT) or lightning. This bi-directional, non-polar device is designed for voltage suppression of up to 16V. It is suitable for use in automotive and industrial applications.

Application Field

The SMBJ16CA is ideal for use in vehicle circuitry, industrial control systems, and communication systems. It offers line protection of critical signal lines and other vulnerable circuits. The device can be used for both AC and DC applications, offering signal integrity and protection for sensitive components.The SMBJ16CA is well suited for automotive applications, such as in engine controllers, headlights, airbags, warning systems, seat control systems, and other electronic components. It is also suitable for use in industrial and communication applications, such as for control systems in factory floors, power line communication systems, television line protection, and other sensitive electrical equipment.

Working Principle

The SMBJ16CA utilizes a dual I-V (current-voltage) characteristic to provide surge protection. This enables the diode to clamp excess voltage at a predetermined low clamped voltage. This helps to protect sensitive devices and systems from overvoltage and transient voltage peaks.When the incoming voltage reaches the TVS breakdown voltage, the diode begins to clamp the voltage at the low clamped voltage. This maintains the voltage level at the low clamping voltage, preventing it from rising further.The low clamped voltage prevents damage to sensitive parts and system, ensuring reliability and maintaining signal integrity. The clamping voltage is adjustable, offering flexibility in protecting vulnerable systems.

Conclusion

The SMBJ16CA TVS diode is a bi-directional device designed for voltage suppression. It is suitable for use in automotive and industrial applications, providing line protection for critical signal lines and other vulnerable circuits. Its dual I-V characteristic allows it to clamp excess voltage at a predetermined low clamped voltage, preventing damage to sensitive parts and system and maintaining signal integrity.

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