SMCG18CHE3/57T Product Overview

Product Category

The SMCG18CHE3/57T belongs to the category of semiconductor devices, specifically a type of transient voltage suppressor diode.

Basic Information Overview

• Use: The SMCG18CHE3/57T is used for protecting sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.
• Characteristics: It has a low clamping voltage, fast response time, and high surge current capability.
• Package: The device is typically available in a DO-214AB (SMC) package.
• Essence: Its essence lies in providing robust protection against voltage spikes.
• Packaging/Quantity: It is commonly packaged in reels or trays containing a specific quantity per package.

Specifications

• Peak Pulse Power: 1800W
• Breakdown Voltage Range: 15.3V to 16.8V
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C
• RoHS Compliance: Yes

Detailed Pin Configuration

The SMCG18CHE3/57T typically consists of two pins, with the anode and cathode connections clearly marked on the device.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltage to protect downstream components.
• Fast Response Time: Rapid reaction to voltage transients ensures minimal impact on the protected circuitry.
• High Surge Current Capability: Capable of handling large surge currents without degradation.

Advantages and Disadvantages

• Advantages:
  • Robust protection against voltage transients
  • Fast response time
  • High surge current capability
• Disadvantages:
  • Slight leakage current under normal operating conditions
  • Requires careful consideration of placement in the circuit to ensure optimal performance

Working Principles

The SMCG18CHE3/57T operates based on the principle of avalanche breakdown, where it rapidly conducts excess voltage away from sensitive components, thereby limiting the voltage across them.

Detailed Application Field Plans

The SMCG18CHE3/57T finds extensive use in various applications, including: - Telecommunications equipment - Automotive electronics - Industrial control systems - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

• Alternative Model 1: SMAJ15A
  • Peak Pulse Power: 400W
  • Breakdown Voltage Range: 12.8V to 14.2V
• Alternative Model 2: SMBJ28CA
  • Peak Pulse Power: 600W
  • Breakdown Voltage Range: 25.6V to 28.4V
• Alternative Model 3: SMCJ33A
  • Peak Pulse Power: 1500W
  • Breakdown Voltage Range: 29.5V to 32.6V

In conclusion, the SMCG18CHE3/57T transient voltage suppressor diode offers robust protection and fast response time, making it a valuable component in safeguarding electronic circuits from voltage transients.

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