CPDT6-24V4 Equivalent & Substitute Parts

Part Overview

The CPDT6-24V4 is a 24V Transient Voltage Suppressor (TVS) diode manufactured by Comchip Technology, designed for general-purpose overvoltage protection applications. This bidirectional 4-channel device features a 47V maximum clamping voltage and 1A peak pulse current rating in a surface-mount SOT-23-6 package.

The CPDT6-24V4 is classified as obsolete. Identifying equivalent substitute parts ensures design continuity and supply chain reliability for applications requiring this specific voltage suppression profile.

Substiute Parts

CPDT6-24V4

Comchip TechnologyIn Stock: 907CPDT6-24V4 Datasheet

Current PartRFQ

CPDT6-24V4-HF

Comchip TechnologyIn Stock: 50025CPDT6-24V4-HF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the CPDT6-24V4 are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Critical Matching Parameters:

• Bidirectional Channels: 4
• Voltage - Reverse Standoff (Typ): 24V
• Voltage - Breakdown (Min): 25V
• Voltage - Clamping (Max) @ Ipp: 47V
• Current - Peak Pulse (10/1000µs): 1A (8/20µs)
• Power - Peak Pulse: 47W
• Package / Case: SOT-23-6
• Mounting Type: Surface Mount

The CPDT6-24V4-HF qualifies as a direct substitute, maintaining identical electrical specifications and package configuration while offering improved product status and availability.

Parameter Comparison

Engineering Selection Recommendations

The CPDT6-24V4-HF is the direct equivalent for the obsolete CPDT6-24V4. Both parts maintain identical electrical performance and mechanical compatibility. The CPDT6-24V4-HF offers the advantage of active product status, ensuring ongoing availability and manufacturing support. Additionally, the CPDT6-24V4-HF carries ROHS3 compliance certification, meeting current environmental regulatory requirements. The packaging difference (Tape & Reel versus bulk) does not affect electrical or mechanical compatibility and reflects standard modern distribution practices.

Frequently Asked Questions (FAQ)

Q: Can CPDT6-24V4-HF be used as a direct replacement for CPDT6-24V4?

A: Yes. Both parts are electrically and mechanically identical, with matching voltage ratings (24V standoff, 25V breakdown, 47V clamping), current specifications (1A peak pulse), and SOT-23-6 package configuration. The CPDT6-24V4-HF is the active production equivalent.

Q: What is the difference between the bulk and Tape & Reel packaging?

A: Packaging format does not affect component electrical or mechanical performance. Bulk packaging is typical for obsolete parts, while Tape & Reel is standard for active production. Selection depends on assembly process requirements and volume needs.

Q: Does the ROHS3 compliance of CPDT6-24V4-HF affect compatibility?

A: No. ROHS3 compliance indicates adherence to environmental standards and does not alter electrical or mechanical specifications. The CPDT6-24V4-HF remains fully compatible with designs originally specified for the CPDT6-24V4.

Q: Are there any thermal or frequency-dependent differences between these parts?

A: No differences are specified in the provided parameters. Both parts maintain identical operating characteristics across the specified electrical range.

Q: What supply chain advantages does CPDT6-24V4-HF offer?

A: The CPDT6-24V4-HF is in active production status with significantly higher inventory availability (49,958 units versus 825 units), ensuring reliable long-term supply for production and maintenance applications.