SM4T39CAY
Product Overview
Category: Electronic Component
Use: Transient Voltage Suppressor
Characteristics: High surge capability, low clamping voltage, compact package
Package: SMC (DO-214AB)
Essence: Protects sensitive electronic components from voltage transients
Packaging/Quantity: Tape and Reel, 3000 units per reel
Specifications
- Peak Power Dissipation: 400W
- Breakdown Voltage: 39V
- Clamping Voltage: 64.5V at 10A
- Operating Temperature Range: -55°C to +150°C
- Storage Temperature Range: -55°C to +150°C
Detailed Pin Configuration
The SM4T39CAY is a unidirectional TVS diode with two pins. The cathode is connected to the marked side of the package, while the anode is connected to the unmarked side.
Functional Features
- Transient Protection: Safeguards against voltage transients and surges
- Fast Response Time: Reacts quickly to transient events
- Low Leakage Current: Minimizes power consumption during normal operation
Advantages and Disadvantages
Advantages: 1. High surge capability for robust protection 2. Low clamping voltage for effective transient suppression 3. Compact package for space-constrained applications
Disadvantages: 1. Limited breakdown voltage compared to some alternative models 2. Higher clamping voltage at lower currents
Working Principles
The SM4T39CAY operates by diverting excess current away from sensitive components when a transient event occurs. It rapidly clamps the voltage to a safe level, protecting downstream circuitry.
Detailed Application Field Plans
The SM4T39CAY is suitable for various applications including: - Telecommunication Equipment: Protects sensitive communication circuits from voltage spikes - Automotive Electronics: Safeguards vehicle electronics from electrical disturbances - Industrial Control Systems: Ensures reliable operation of control and monitoring equipment
Detailed and Complete Alternative Models
- SM4T36CAY: Similar characteristics with a slightly lower breakdown voltage
- SM4T43CAY: Similar characteristics with a slightly higher breakdown voltage
- SM6T39CAY: Higher power dissipation and surge capability with the same breakdown voltage
In conclusion, the SM4T39CAY transient voltage suppressor offers robust protection in a compact package, making it suitable for a wide range of applications.
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What is SM4T39CAY?
- SM4T39CAY is a transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.
What is the maximum peak pulse power of SM4T39CAY?
- The maximum peak pulse power of SM4T39CAY is 400 watts.
What is the breakdown voltage of SM4T39CAY?
- The breakdown voltage of SM4T39CAY is 43.6 volts.
What are the typical applications of SM4T39CAY?
- SM4T39CAY is commonly used in telecommunications equipment, industrial controls, consumer electronics, and automotive electronics for surge protection.
What is the operating temperature range of SM4T39CAY?
- The operating temperature range of SM4T39CAY is -55°C to +150°C.
What is the reverse stand-off voltage of SM4T39CAY?
- The reverse stand-off voltage of SM4T39CAY is 33.3 volts.
Does SM4T39CAY comply with RoHS requirements?
- Yes, SM4T39CAY is compliant with RoHS (Restriction of Hazardous Substances) requirements.
Is SM4T39CAY suitable for high-speed data lines?
- Yes, SM4T39CAY is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI interfaces.
What is the package type of SM4T39CAY?
- SM4T39CAY is available in a DO-214AB (SMC) package.
What are the key features of SM4T39CAY?
- Some key features of SM4T39CAY include low clamping voltage, fast response time, and high surge capability.