SMCJ5.0CA-13 Equivalent & Substitute Parts

Part Overview

The SMCJ5.0CA-13 is a transient voltage suppressor (TVS) diode manufactured by Diodes Incorporated, designed for general-purpose overvoltage protection in surface-mount applications. This component features a 5V reverse standoff voltage, 9.2V maximum clamping voltage, and 163A peak pulse current capability in a DO-214AB (SMC) package. The part is currently classified as obsolete, making identification of active equivalent and substitute parts essential for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	SMCJ5.0CA-13
Manufacturer	Diodes Incorporated
Category	Transient Voltage Suppressors (TVS)
Type	Zener
Voltage - Reverse Standoff (Typ)	5V
Voltage - Breakdown (Min)	6.4V
Voltage - Clamping (Max) @ Ipp	9.2V
Current - Peak Pulse (10/1000µs)	163A
Power - Peak Pulse	1500W
Package / Case	DO-214AB, SMC
Mounting Type	Surface Mount
Operating Temperature	-55°C ~ 150°C (TJ)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the SMCJ5.0CA-13 is determined by the following critical electrical and mechanical parameters:

Voltage - Reverse Standoff: 5V (exact match required)
Voltage - Breakdown (Min): 6.4V (exact match required)
Voltage - Clamping (Max) @ Ipp: 9.2V (exact match required)
Current - Peak Pulse (10/1000µs): 163A minimum (equal or greater acceptable)
Power - Peak Pulse: 1500W (equal or greater acceptable)
Package / Case: DO-214AB, SMC (exact match required)
Mounting Type: Surface Mount (exact match required)
Bidirectional Channels: 1 (exact match required)

All substitute parts listed below meet these core electrical specifications and mechanical requirements. Variations in product status, RoHS compliance, packaging format (tape & reel, bulk, cut tape), and operating temperature range do not affect functional equivalence for this application.

Parameter Comparison

Part Number	Manufacturer	Vwm (Typ)	Vbr (Min)	Vc (Max)	Ipp (A)	Ppk (W)	Package	Status	RoHS
SMCJ5.0CA-13	Diodes Inc.	5V	6.4V	9.2V	163	1500	DO-214AB	Obsolete	Non-compliant
SMCJ5.0CA-13-F	Diodes Inc.	5V	6.4V	9.2V	163	1500	DO-214AB	Active	ROHS3 Compliant
MASMCJ5.0CAE3	Microchip	5V	6.4V	9.2V	163	1500	DO-214AB	Active	Non-compliant
MSMCJ5.0CAE3	Microchip	5V	6.4V	9.2V	163	1500	DO-214AB	Active	Non-compliant
MXLSMCJ5.0CAE3	Microchip	5V	6.4V	9.2V	163	1500	DO-214AB	Active	Non-compliant
MXSMCJ5.0CAE3	Microchip	5V	6.4V	9.2V	163	1500	DO-214AB	Active	Non-compliant
SMCJ5.0CA-E3/57T	Vishay	5V	6.4V	9.2V	163	1500	DO-214AB	Active	ROHS3 Compliant
SMCJ5V0CA	Taiwan Semi	5V	6.4V	9.2V	163	1500	DO-214AB	Active	ROHS3 Compliant
TV15C5V0JB-G	Comchip	5V	6.4V	9.2V	163.04	1500	DO-214AB	Active	ROHS3 Compliant
SMCJ5.0CA	Taiwan Semi	5V	6.4V	9.2V	171	1500	DO-214AB	Active	ROHS3 Compliant

Engineering Selection Recommendations

For replacement of the obsolete SMCJ5.0CA-13, the following selection criteria apply:

Direct Replacement (Same Manufacturer): SMCJ5.0CA-13-F from Diodes Incorporated is the active equivalent. This part maintains identical electrical specifications and package format while offering ROHS3 compliance and active product status.

Cross-Manufacturer Substitutes: All listed alternatives from Microchip Technology, Vishay, Taiwan Semiconductor Corporation, and Comchip Technology meet the core electrical and mechanical requirements. Selection among these options depends on procurement availability, supply chain preferences, and compliance requirements specific to your application.

RoHS Compliance Consideration: If RoHS3 compliance is required, select from SMCJ5.0CA-13-F (Diodes), SMCJ5.0CA-E3/57T (Vishay), SMCJ5V0CA (Taiwan Semi), TV15C5V0JB-G (Comchip), or SMCJ5.0CA (Taiwan Semi). Non-compliant alternatives are available from Microchip Technology if legacy specifications are mandated.

Military Grade Option: Microchip Technology variants (MASMCJ5.0CAE3, MSMCJ5.0CAE3, MXLSMCJ5.0CAE3, MXSMCJ5.0CAE3) carry MIL-PRF-19500 qualification and extended operating temperature range (-65°C to 150°C), suitable for military or high-reliability applications.

Peak Pulse Current: SMCJ5.0CA from Taiwan Semiconductor offers 171A peak pulse current, exceeding the original 163A specification while maintaining all other parameters.

Frequently Asked Questions (FAQ)

Q: Can I use SMCJ5.0CA-13-F as a direct replacement for SMCJ5.0CA-13?

A: Yes. SMCJ5.0CA-13-F is the active equivalent from the same manufacturer with identical electrical specifications and package format. The primary difference is product status (active vs. obsolete) and RoHS3 compliance.

Q: What is the difference between the Diodes, Microchip, Vishay, Taiwan Semiconductor, and Comchip variants?

A: All variants meet the core electrical specifications (5V standoff, 9.2V clamping, 163A peak pulse). Differences include manufacturer, RoHS compliance status, military qualification (Microchip only), operating temperature range, and packaging format. Electrical performance in the application is equivalent.

Q: Does packaging format (tape & reel, bulk, cut tape) affect substitution?

A: No. Packaging format affects procurement and handling but not electrical or mechanical compatibility. All listed parts use the same DO-214AB (SMC) package and are surface-mount compatible.

Q: Why do some parts show 171A peak pulse current instead of 163A?

A: SMCJ5.0CA from Taiwan Semiconductor specifies 171A peak pulse current. This exceeds the original 163A requirement and is functionally acceptable as a substitute. Higher current capability does not compromise circuit performance.

Q: Are the Microchip military-grade parts suitable for commercial applications?

A: Yes. Military-grade parts (MASMCJ5.0CAE3, MSMCJ5.0CAE3, MXLSMCJ5.0CAE3, MXSMCJ5.0CAE3) meet or exceed commercial specifications. They offer extended temperature range (-65°C to 150°C vs. -55°C to 150°C) and MIL-PRF-19500 qualification, making them suitable for any application requiring the SMCJ5.0 electrical specification.

Q: Which substitute offers the best availability?

A: SMCJ5.0CA-E3/57T from Vishay shows the highest inventory (34,200 pcs). SMCJ5V0CA from Taiwan Semiconductor (9,100 pcs) and SMCJ5.0CA from Taiwan Semiconductor (8,848 pcs) also offer substantial stock levels.

Q: Can I mix different manufacturers in the same design?

A: Yes. All listed parts meet identical electrical and mechanical specifications. Mixing manufacturers is acceptable from a functional standpoint. Verify procurement, supply chain, and compliance requirements specific to your organization.

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