CMS04(TE12L) Discrete Semiconductor Products

Series:	--
Packaging:	Cut Tape (CT)
Part Status:	Discontinued at Digi-Key
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	30V
Current - Average Rectified (Io):	5A
Voltage - Forward (Vf) (Max) @ If:	370mV @ 5A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	8mA @ 30V
Capacitance @ Vr, F:	--
Mounting Type:	Surface Mount
Package / Case:	SOD-128
Supplier Device Package:	M-FLAT (2.4x3.8)
Operating Temperature - Junction:	-40°C ~ 125°C
Base Part Number:	CMS04

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CMS04(TE12L) Application Field and Working Principle

Introduction to CMS04(TE12L)The CMS04 (TE12L) is a single-phase full wave rectifier module designed for low power applications that require low profile, compact dimensions and optimal power density. This module uses a special combination of several discrete components: an SCR diode (CM04R), a 12A power transistor (TE12L) and a bridge rectifier (SC04L). This device can provide full wave rectification and can handle current up to 12A. The power dissipation of this device is low, making it suitable for applications with tight space requirements. This rectifier module is suitable for use in a variety of power conversion, UPS and telecom applications.Application Field of CMS04(TE12L)The CMS04 (TE12L) is typically used for power rectification and voltage conversions in low power applications such as UPS and Telecom applications. The CMS04 is suitable for working in temperatures up to +85 °C and can handle reactive and pulsed currents up to 12A. It is highly efficient and provides protection from overvoltage, reverse polarity and overcurrent conditions. This device is widely used in applications such as power rectification and voltage conversion in small home appliances, lighting and exit signs, and SMPS for telecom, automotive and industrial applications.Working Principle of CMS04(TE12L)The working principle of CMS04(TE12L) is based on the fact that the conduction of the SCR is controlled by gate voltage. When the gate voltage is below the breakdown voltage, the SCR remains nonconducting. When the gate voltage rises above the breakdown voltage, the SCR starts conducting. Once current flows through the SCR, it will continue to conduct until the current is removed from the circuit.When the gate voltage is applied to the SCR, it starts conducting and the current flows through the SCR and the 12A power transistor (TE12L) and is rectified by the bridge rectifier (SC04L). The bridge rectifier ensures that the current only flows in one direction, providing full wave rectification. During operation, the transistor is responsible for maintaining a fixed current and voltage across the SCR diode, thereby reducing the required gate voltage. This reduction of the gate voltage leads to a reduction in power dissipation, saving energy and improving efficiency.ConclusionThe CMS04 (TE12L) module combines several power components into a low profile and compact form factor making it ideal for low power applications. It is suited for use in a wide range of applications, including power rectification and voltage conversions for small appliances, lighting, exit signs, and telecom, automotive and industrial applications. This device provides full wave rectification and protection from overvoltage, reverse polarity and overcurrent conditions, making it suitable for wide range of applications. Its low power dissipation makes it energy efficient and suitable for use in applications with tight space requirements.

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