VDRS07H420ASE

1. Product Overview

Category:

VDRS07H420ASE belongs to the category of Voltage Dependent Resistors (VDRs).

Use:

It is used as a protective component in electronic circuits to suppress voltage surges and transient overvoltage conditions.

Characteristics:

• High surge current capability
• Fast response time
• Low leakage current
• Wide operating temperature range

Package:

The VDRS07H420ASE is typically available in a cylindrical package with leads for through-hole mounting.

Essence:

The essence of VDRS07H420ASE lies in its ability to provide reliable overvoltage protection in various electronic applications.

Packaging/Quantity:

It is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

2. Specifications

• Maximum Allowable Voltage: 420V
• Clamping Voltage: 680V
• Peak Current Capability: 1000A
• Operating Temperature Range: -40°C to 85°C
• Lead Material: Tin-plated copper

3. Detailed Pin Configuration

The VDRS07H420ASE typically has two leads, with the anode and cathode connections clearly marked for easy integration into circuit designs.

4. Functional Features

• Overvoltage protection
• Transient voltage suppression
• High energy absorption capability

5. Advantages and Disadvantages

Advantages:

• Effective protection against voltage surges
• Fast response to transient overvoltage events
• Wide operating temperature range

Disadvantages:

• Limited lifespan under repetitive surge conditions
• Non-linear voltage-current characteristics

6. Working Principles

When the voltage across the VDR exceeds its nominal voltage, it enters a high-resistance state, effectively diverting excess current away from sensitive components in the circuit.

7. Detailed Application Field Plans

Electronic Power Supplies:

Used to protect power supply circuits from voltage spikes and lightning-induced surges.

Telecommunications Equipment:

Integrated into communication systems to safeguard against transient voltage disturbances.

Industrial Control Systems:

Utilized in industrial automation setups to shield sensitive control electronics from voltage transients.

8. Detailed and Complete Alternative Models

• VDRS05H320ASE
• VDRS10H500ASE
• VDRS15H600ASE

In conclusion, VDRS07H420ASE serves as a crucial component in electronic circuits, providing robust overvoltage protection and transient suppression capabilities. Its wide application field plans and availability of alternative models make it a versatile choice for various electronic designs.

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