P4SMA7.5CA TR13 Equivalent & Substitute Parts

Part Overview

The P4SMA7.5CA TR13 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 7.5V reverse standoff voltage with a 12.9V maximum clamping voltage and 31A peak pulse current capability in a compact SMA (DO-214AC) package.

The P4SMA7.5CA TR13 is classified as obsolete. Identifying equivalent substitute parts is essential for maintaining design continuity, ensuring supply chain reliability, and supporting long-term product availability for applications requiring this specific voltage protection profile.

Substiute Parts

P4SMA7.5CA TR13

Central Semiconductor CorpIn Stock: 1190P4SMA7.5CA TR13 Datasheet

Current PartRFQ

SMAJ7.5CA-13-F

Diodes IncorporatedIn Stock: 5378SMAJ7.5CA-13-F Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the P4SMA7.5CA TR13 is determined by strict electrical and mechanical parameter matching:

Critical Matching Parameters:

• Voltage - Reverse Standoff: 7.5V (±tolerance)
• Voltage - Clamping (Max) @ Ipp: 12.9V
• Current - Peak Pulse (10/1000µs): 31A
• Package / Case: DO-214AC, SMA
• Type: Zener, Bidirectional (1 channel)
• Operating Temperature Range: -55°C ~ 150°C (TJ)

The substitute part SMAJ7.5CA-13-F from Diodes Incorporated meets all critical electrical specifications and mechanical requirements. This part maintains identical voltage protection characteristics, peak pulse current handling, and thermal operating range, ensuring functional equivalence in circuit protection applications.

Parameter Comparison

Engineering Selection Recommendations

The SMAJ7.5CA-13-F from Diodes Incorporated is the direct functional equivalent for the obsolete P4SMA7.5CA TR13. Selection of this substitute is supported by:

Product Status: The substitute part is classified as Active, ensuring ongoing availability and manufacturing support, whereas the original part is Obsolete.

Compliance & Certifications: The SMAJ7.5CA-13-F carries RoHS3 compliance and REACH Unaffected status, meeting current regulatory requirements for electronic component procurement.

Electrical & Mechanical Equivalence: All critical parameters—reverse standoff voltage, clamping voltage, peak pulse current, power dissipation, and operating temperature range—are identical to the original part.

Package Compatibility: Both parts use the DO-214AC (SMA) surface-mount package, ensuring direct PCB footprint compatibility without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can SMAJ7.5CA-13-F be used as a direct replacement for P4SMA7.5CA TR13?

A: Yes. The SMAJ7.5CA-13-F meets all electrical and mechanical specifications of the P4SMA7.5CA TR13, including voltage protection characteristics, peak pulse current rating, and package form factor. Direct substitution is supported without circuit redesign.

Q: What is the primary reason for substitution?

A: The P4SMA7.5CA TR13 is classified as Obsolete. The SMAJ7.5CA-13-F is an Active product from an established manufacturer, ensuring reliable supply chain access and long-term availability.

Q: Are there packaging differences between these parts?

A: Both parts use the DO-214AC (SMA) surface-mount package. The P4SMA7.5CA TR13 is supplied in standard packaging, while the SMAJ7.5CA-13-F is available in Tape & Reel (TR) format, which is standard for high-volume manufacturing and automated assembly.

Q: Do these parts have different compliance certifications?

A: The SMAJ7.5CA-13-F includes RoHS3 compliance and REACH Unaffected status. Both parts share identical ECCN (EAR99) and HTSUS (8541.10.0080) classifications and Moisture Sensitivity Level 1 (Unlimited).

Q: What parameters must match for substitution to be valid?

A: Critical matching parameters are: Voltage - Reverse Standoff (7.5V), Voltage - Clamping (12.9V), Current - Peak Pulse (31A), Package (DO-214AC, SMA), Type (Zener, single bidirectional channel), and Operating Temperature Range (-55°C ~ 150°C).