SMLJ12CA

Series:	SMLJ
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Zener
Bidirectional Channels:	1
Voltage - Reverse Standoff (Typ):	12V
Voltage - Breakdown (Min):	13.3V
Voltage - Clamping (Max) @ Ipp:	19.9V
Current - Peak Pulse (10/1000µs):	150.6A
Power - Peak Pulse:	3000W (3kW)
Power Line Protection:	No
Applications:	General Purpose
Capacitance @ Frequency:	--
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	DO-214AB, SMC
Supplier Device Package:	SMC (DO-214AB)

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• Introduction

A TVS Diode is essentially a device that is designed to safeguard high-speed electronic components from transient voltage spikes. It functions like a normal diode, but it acts as a voltage-dependent surge protector. TVS diodes are widely used in a variety of fields and play an important role in protecting sensitive circuits from overvoltage destruction common in industrial, automotive and telecommunications applications. SMLJ12CA is a transient voltage suppressors (TVS) diode using a glass-passivated junction chip and molded epoxy in a small SURF-mounting package. It provides protection from electrostatic discharge (ESD) and overvoltage transients in a wide range of electronic systems and is used wherever transient voltage suppression is required for protection against destructive surges which can be caused by electrostatic discharge, inductive loading, and lightning strikes.

• Features and Benefits of the SMLJ12CA

SMLJ12CA features an ultra-fast response time, low clamping voltage, high circuit protection, and unique surge current capabilities. It provides excellent reverse polarity protection for up to 60 V. SMLJ12CA is available in a broad selection of package types and offers additional temperature protection with high peak current capability. It isolates circuits from rate-of-rise energy transients, eliminating the heating and destructive effects of these transient spikes. The SMLJ12CA has a maximum clamping voltage of 12V and a peak pulse current (IPPM) of 1A. Additionally, it has an ultra-low capacitance that allows for reliable operation in high frequency applications up to 4GHz, ensuring superior circuit performance and reliable operation. It is also designed with a glass passivation layer to protect against environmental effects such as moisture and humidity.

• Applications and Working Principle

SMLJ12CA is designed to protect sensitive circuits from voltage abnormal spikes caused by industrial, automotive, and telecommunications applications. It is designed to offer maximum protection from transient voltages and can be used in a variety of applications including medical device, home appliance, and automotive applications.The working principle behind the SMLJ12CA involves a voltage clamping process. When a voltage spike is detected, the internal diode begins to conduct current and limits the voltage to a safe level. This serves to reduce the unpleasant effects of transient voltage spikes, such as damaged components and data loss. The SMLJ12CA is able to limit the voltage to a safe level within 8 nanoseconds, which is much faster than the usual response time of other TVS diodes. This ensures that the SMLJ12CA can offer maximum protection from transient voltages.

• Conclusion

The SMLJ12CA TVS Diode is an effective transient voltage suppressor designed to offer maximum protection from overvoltage spikes caused by electrostatic discharge, inductive loading, and lightning strikes. It features an ultra-fast response time, low clamping voltage, high circuit protection, and a unique surge current capability. It is available in a variety of package types and is ideal for use in medical device, home appliance, and automotive applications. Furthermore, it has a glass passivation layer for added protection against environmental effects.

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