SMBJ170A-E3/5B

Product Overview

The SMBJ170A-E3/5B belongs to the category of transient voltage suppressor diodes (TVS diodes) and is commonly used for surge protection in electronic circuits. These diodes are characterized by their ability to rapidly respond to overvoltage events, diverting excessive current away from sensitive components. The SMBJ170A-E3/5B is typically packaged in a compact, surface-mount design, making it suitable for various electronic applications.

Basic Information

• Category: Transient Voltage Suppressor Diode
• Use: Surge Protection in Electronic Circuits
• Characteristics: Rapid Response, Surface-Mount Package
• Package: SMB (DO-214AA)
• Essence: Overvoltage Protection
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Voltage - Reverse Standoff (Typ): 170V
• Voltage - Breakdown (Min): 189V
• Clamping Voltage (Max) @ Ipp: 275V
• Peak Pulse Current: 10A
• Power Dissipation (Max): 600W
• Operating Temperature: -55°C to 150°C

Detailed Pin Configuration

The SMBJ170A-E3/5B features a standard SMB package with two pins. Pin 1 is the anode, while pin 2 is the cathode.

Functional Features

• Rapid Response: Quickly diverts excess current during overvoltage events.
• High Clamping Voltage: Provides effective protection against voltage spikes.
• Compact Design: Suitable for space-constrained applications.

Advantages and Disadvantages

Advantages

• Effective surge protection for sensitive electronic components.
• Compact surface-mount package for easy integration into circuit designs.
• High clamping voltage ensures robust protection against voltage transients.

Disadvantages

• Limited peak pulse current compared to some higher-rated TVS diodes.
• May require additional circuitry for handling sustained overvoltage conditions.

Working Principles

When an overvoltage event occurs, the SMBJ170A-E3/5B enters a low impedance state, effectively shunting excess current away from the protected circuit. This rapid response helps prevent damage to sensitive components by limiting the voltage across the circuit.

Detailed Application Field Plans

The SMBJ170A-E3/5B is commonly used in various electronic systems, including: - Power Supplies - Communication Equipment - Industrial Control Systems - Automotive Electronics - Consumer Electronics

Detailed and Complete Alternative Models

• SMBJ160A-E3/5B: Lower reverse standoff voltage (160V).
• SMBJ180A-E3/5B: Higher reverse standoff voltage (180V).
• SMBJ200A-E3/5B: Higher reverse standoff voltage (200V).

In summary, the SMBJ170A-E3/5B transient voltage suppressor diode offers effective surge protection in a compact, surface-mount package. Its rapid response, high clamping voltage, and versatile application make it a valuable component in various electronic systems.

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