P4SMA78CA TR13 Equivalent & Substitute Parts

Part Overview

The P4SMA78CA 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 78V reverse standoff voltage with a 126V maximum clamping voltage and 2.2A peak pulse current capability in a compact SMA package.

The P4SMA78CA TR13 is classified as obsolete. Identifying qualified substitute parts is essential for maintaining design continuity, ensuring supply chain reliability, and supporting long-term production requirements for applications utilizing this TVS diode specification.

Substiute Parts

P4SMA78CA TR13

Central Semiconductor CorpIn Stock: 1139P4SMA78CA TR13 Datasheet

Current PartRFQ

SMAJ78CA-13-F

Diodes IncorporatedIn Stock: 10288SMAJ78CA-13-F Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the P4SMA78CA TR13 are qualified based on strict electrical and mechanical parameter matching within the TVS diode category. The following parameters determine substitution eligibility:

Critical Matching Parameters:

• Voltage - Reverse Standoff (Typ): 78V
• Voltage - Breakdown (Min): 86.7V
• Voltage - Clamping (Max) @ Ipp: 126V
• Current - Peak Pulse (10/1000µs): 2.2A
• Power - Peak Pulse: 400W
• Package / Case: DO-214AC, SMA
• Mounting Type: Surface Mount
• Operating Temperature Range: -55°C ~ 150°C (TJ)
• Bidirectional Channels: 1
• Type: Zener

The SMAJ78CA-13-F from Diodes Incorporated meets all critical electrical specifications and mechanical requirements, providing direct functional equivalence for the obsolete P4SMA78CA TR13.

Parameter Comparison

Engineering Selection Recommendations

The SMAJ78CA-13-F from Diodes Incorporated is the qualified substitute for the obsolete P4SMA78CA TR13. This substitution is supported by:

Product Status: The SMAJ78CA-13-F maintains active product status with Diodes Incorporated, ensuring ongoing availability and manufacturing support compared to the obsolete P4SMA78CA TR13.

Compliance & Certifications: Both parts share identical ECCN (EAR99) and HTSUS classifications, maintaining regulatory consistency. The SMAJ78CA-13-F is ROHS3 Compliant and REACH Unaffected, providing compliance assurance for modern supply chain requirements.

Electrical & Mechanical Equivalence: All critical parameters—voltage ratings, current specifications, power dissipation, package type, and operating temperature range—are identical between the two parts, ensuring direct functional replacement without circuit redesign.

Packaging & Availability: The SMAJ78CA-13-F is available in Tape & Reel (TR) packaging with substantial inventory (10,200 pcs), providing reliable supply for production requirements.

Frequently Asked Questions (FAQ)

Q: Can the SMAJ78CA-13-F directly replace the P4SMA78CA TR13 without circuit modifications?

A: Yes. The SMAJ78CA-13-F provides direct electrical and mechanical equivalence. All voltage ratings (78V reverse standoff, 86.7V breakdown minimum, 126V clamping maximum), current specifications (2.2A peak pulse), power dissipation (400W), package type (DO-214AC, SMA), and operating temperature range (-55°C to 150°C) are identical. No circuit redesign is required.

Q: What is the difference between the P4SMA78CA TR13 and SMAJ78CA-13-F?

A: The primary difference is manufacturer and product status. The P4SMA78CA TR13 (Central Semiconductor Corp) is obsolete, while the SMAJ78CA-13-F (Diodes Incorporated) is active. All electrical specifications and mechanical characteristics are identical.

Q: Are there any compliance or certification differences between these parts?

A: Both parts share identical ECCN (EAR99) and HTSUS (8541.10.0080) classifications. The SMAJ78CA-13-F includes ROHS3 Compliance and REACH Unaffected status, providing additional regulatory assurance for modern applications.

Q: What packaging options are available for the SMAJ78CA-13-F?

A: The SMAJ78CA-13-F is supplied in Tape & Reel (TR) packaging, standard for high-volume surface-mount assembly operations.

Q: Is the SMA package footprint identical between both parts?

A: Yes. Both the P4SMA78CA TR13 and SMAJ78CA-13-F use the DO-214AC, SMA package with identical mechanical dimensions and PCB footprint, enabling direct board-level substitution.

Q: What is the moisture sensitivity level for the SMAJ78CA-13-F?

A: The SMAJ78CA-13-F has a Moisture Sensitivity Level (MSL) of 1 (Unlimited), matching the P4SMA78CA TR13. This indicates minimal moisture sensitivity and no special storage or handling requirements.