SMBJ170AHE3/5B

Product Overview

The SMBJ170AHE3/5B belongs to the category of transient voltage suppressor diodes (TVS diodes). These diodes are used to protect sensitive electronic components from voltage spikes and transients. The SMBJ170AHE3/5B is designed to provide robust protection for a wide range of applications, including telecommunications, industrial equipment, and consumer electronics. Its characteristics include high surge capability, low clamping voltage, and fast response time. The diode is available in a compact, surface-mount package, making it suitable for space-constrained designs. It is essential for safeguarding integrated circuits, transistors, and other semiconductor devices. The SMBJ170AHE3/5B is typically packaged in tape and reel format, with a quantity of 3000 units per reel.

Specifications

• Voltage Rating: 170V
• Peak Pulse Power: 600W
• Operating Temperature Range: -55°C to +150°C
• Package Type: SMB (DO-214AA)
• Polarity: Unidirectional

Pin Configuration

The SMBJ170AHE3/5B follows the standard pin configuration for SMB diodes, with two terminals for connection. The cathode terminal is denoted by a line on the body of the diode, while the anode terminal is the unmarked terminal.

Functional Features

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

Advantages and Disadvantages

Advantages

• Robust protection against voltage transients
• Compact surface-mount package
• Low clamping voltage for enhanced protection

Disadvantages

• Unidirectional protection only
• Limited to specific voltage ratings

Working Principles

The SMBJ170AHE3/5B operates based on the principle of avalanche breakdown. When a voltage transient occurs, the diode rapidly switches into its low impedance state, diverting excess current away from the protected circuit. This action effectively limits the voltage across the circuit, preventing damage to sensitive components.

Application Field Plans

The SMBJ170AHE3/5B finds extensive use in various applications, including: - Telecommunications equipment - Industrial control systems - Power supplies - Automotive electronics - Consumer electronics

Alternative Models

For those seeking alternatives to the SMBJ170AHE3/5B, several comparable TVS diodes are available in the market. Some notable alternatives include: - P6KE170CA: Similar voltage rating and power dissipation - 1.5SMC170CA: Higher surge capability with similar voltage characteristics - SMAJ170A: Lower profile package with comparable performance

In conclusion, the SMBJ170AHE3/5B transient voltage suppressor diode offers reliable protection against voltage transients in a compact and efficient package. Its fast response time and high surge capability make it a valuable component in safeguarding sensitive electronic circuits across various industries.

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