P4SMA170CA BK Equivalent & Substitute Parts

Part Overview

The P4SMA170CA BK is a transient voltage suppressor (TVS) diode manufactured by Central Semiconductor Corp, designed for general-purpose overvoltage protection in surface mount applications. This component features a 170V reverse standoff voltage with 275V maximum clamping voltage and 1.4A peak pulse current capability in a compact SMA package.

The P4SMA170CA BK is classified as obsolete. Identifying qualified substitute parts ensures design continuity and maintains supply chain reliability for applications requiring equivalent transient voltage suppression performance.

Substiute Parts

P4SMA170CA BK

Central Semiconductor CorpIn Stock: 1060P4SMA170CA BK Datasheet

Current PartRFQ

SMAJ170CA-13-F

Diodes IncorporatedIn Stock: 30012SMAJ170CA-13-F Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the P4SMA170CA BK is determined by strict equivalence across the following electrical and mechanical parameters:

• Voltage - Reverse Standoff (Typ): 170V
• Voltage - Breakdown (Min): 189V
• Voltage - Clamping (Max) @ Ipp: 275V
• Current - Peak Pulse (10/1000µs): 1.4A
• Power - Peak Pulse: 400W
• Operating Temperature Range: -55°C ~ 150°C (TJ)
• Package / Case: DO-214AC, SMA
• Mounting Type: Surface Mount
• Type: Zener
• Bidirectional Channels: 1

The SMAJ170CA-13-F from Diodes Incorporated meets all specified electrical and mechanical requirements and qualifies as a direct substitute.

Parameter Comparison

Engineering Selection Recommendations

The SMAJ170CA-13-F is the qualified substitute for the P4SMA170CA BK. Selection is based on the following factors:

• Electrical equivalence across all critical transient voltage suppression parameters
• Active product status ensuring ongoing availability and supply chain support
• RoHS3 compliance and REACH unaffected status meeting current regulatory requirements
• Identical package and mounting specifications enabling direct PCB compatibility
• Moisture Sensitivity Level 1 (Unlimited) matching the original component

Frequently Asked Questions (FAQ)

Q: Can the SMAJ170CA-13-F be used as a direct replacement for the P4SMA170CA BK?

A: Yes. The SMAJ170CA-13-F meets all electrical and mechanical specifications of the P4SMA170CA BK, including voltage ratings, current handling, temperature range, and SMA package configuration. No circuit modifications are required.

Q: What is the primary difference between these parts?

A: The P4SMA170CA BK is obsolete, while the SMAJ170CA-13-F is an active product from Diodes Incorporated. Both components are electrically and mechanically equivalent.

Q: Are there any packaging differences?

A: The P4SMA170CA BK is supplied in standard packaging, while the SMAJ170CA-13-F is available in Tape & Reel (TR) format. Both use the DO-214AC, SMA package for surface mount assembly.

Q: Does the SMAJ170CA-13-F meet current compliance standards?

A: Yes. The SMAJ170CA-13-F is RoHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic components.

Q: Are there any thermal or operating condition differences?

A: No. Both components operate across the identical temperature range of -55°C to 150°C (TJ) and handle the same peak pulse power of 400W.