SMAJ6.0CA-13 Equivalent & Substitute Parts

Part Overview

The SMAJ6.0CA-13 is a Transient Voltage Suppressor (TVS) diode manufactured by Diodes Incorporated, designed for general-purpose transient voltage protection in surface-mount applications. This part features a 6V reverse standoff voltage, 10.3V maximum clamping voltage, and 38.8A peak pulse current capability in a DO-214AC (SMA) package. The SMAJ6.0CA-13 is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active manufacturers to maintain design continuity and ensure component availability for production and repair applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	SMAJ6.0CA-13
Manufacturer	Diodes Incorporated
Category	Transient Voltage Suppressors (TVS)
Type	Zener
Bidirectional Channels	1
Voltage - Reverse Standoff (Typ)	6V
Voltage - Breakdown (Min)	6.67V
Voltage - Clamping (Max) @ Ipp	10.3V
Current - Peak Pulse (10/1000µs)	38.8A
Power - Peak Pulse	400W
Operating Temperature	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	DO-214AC, SMA
Product Status	Discontinued at DiGi Electronics
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SMAJ6.0CA-13 are classified based on strict electrical and mechanical parameter matching. The primary substitution criteria are:

Critical Parameters for Substitution:

Voltage - Reverse Standoff (Typ): 6V
Voltage - Clamping (Max) @ Ipp: 10.3V (±tolerance)
Current - Peak Pulse (10/1000µs): 38.8A (±tolerance)
Power - Peak Pulse: 400W (±tolerance)
Package / Case: DO-214AC, SMA
Mounting Type: Surface Mount
Bidirectional Channels: 1
Type: Zener

Grouping Categories:

Group A - Direct Electrical Equivalents (Identical Clamping Voltage 10.3V): These parts maintain the exact 10.3V clamping voltage specification and are fully interchangeable at the circuit level.

SMAJ6.0CA-13-F (Diodes Incorporated)
SMAJ6.0CA (Good-Ark Semiconductor)
SMAJ6.0CA-E3/5A (Vishay General Semiconductor)
SMAJ6.0CA-E3/61 (Vishay General Semiconductor)
SMAJ6.0CA-TP (Micro Commercial Co)
SMAJ6.0CAE3/TR13 (Microchip Technology)

Group B - Electrical Variants (Different Clamping Voltage 13.7V): These parts operate at a higher clamping voltage and are not direct substitutes without circuit re-evaluation.

SMA6J6.0CA-TR (STMicroelectronics) - 13.7V clamping
SMAJ6.0CA-TR (STMicroelectronics) - 13.7V clamping

Parameter Comparison

Manufacturer Part Number	Manufacturer	Voltage - Reverse Standoff (Typ)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Power - Peak Pulse	Operating Temperature	Package / Case	Product Status	RoHS Status
SMAJ6.0CA-13	Diodes Incorporated	6V	10.3V	38.8A	400W	-55°C ~ 150°C (TJ)	DO-214AC, SMA	Discontinued	RoHS non-compliant
SMAJ6.0CA-13-F	Diodes Incorporated	6V	10.3V	38.8A	400W	-55°C ~ 150°C (TJ)	DO-214AC, SMA	Active	ROHS3 Compliant
SMAJ6.0CA	Good-Ark Semiconductor	6V	10.3V	38.8A	400W	-55°C ~ 150°C (TJ)	DO-214AC, SMA	Active	ROHS3 Compliant
SMAJ6.0CA-E3/5A	Vishay General Semiconductor	6V	10.3V	38.8A	400W	-55°C ~ 150°C (TJ)	DO-214AC, SMA	Active	ROHS3 Compliant
SMAJ6.0CA-E3/61	Vishay General Semiconductor	6V	10.3V	38.8A	400W	-55°C ~ 150°C (TJ)	DO-214AC, SMA	Active	ROHS3 Compliant
SMAJ6.0CA-TP	Micro Commercial Co	6V	10.3V	38.8A	400W	-55°C ~ 175°C (TA)	DO-214AC, SMA	Active	ROHS3 Compliant
SMAJ6.0CAE3/TR13	Microchip Technology	6V	10.3V	48.5A	500W	-65°C ~ 150°C (TJ)	DO-214AC, SMA	Active	ROHS3 Compliant
SMA6J6.0CA-TR	STMicroelectronics	6V	13.7V	290A (8/20µs)	600W	-55°C ~ 175°C (TJ)	DO-214AC, SMA	Active	ROHS3 Compliant
SMAJ6.0CA-TR	STMicroelectronics	6V	13.7V	170A (8/20µs)	400W	-55°C ~ 150°C (TJ)	DO-214AC, SMA	Active	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation - Group A Direct Equivalents:

For applications requiring exact electrical equivalence to the SMAJ6.0CA-13, select from Group A parts. All Group A substitutes maintain identical 10.3V clamping voltage and 38.8A peak pulse current specifications.

SMAJ6.0CA-13-F (Diodes Incorporated) is the preferred direct replacement, offering identical electrical specifications with active product status and ROHS3 compliance. This part is manufactured by the original supplier and maintains full pin-for-pin compatibility.

SMAJ6.0CA (Good-Ark Semiconductor) and SMAJ6.0CA-E3/5A (Vishay General Semiconductor) provide equivalent electrical performance with established supply availability and ROHS3 compliance.

SMAJ6.0CAE3/TR13 (Microchip Technology) offers enhanced specifications with 48.5A peak pulse current and 500W power rating, providing additional design margin while maintaining the 10.3V clamping voltage. This part is suitable for applications requiring higher transient current handling.

SMAJ6.0CA-TP (Micro Commercial Co) extends the operating temperature range to -55°C ~ 175°C (TA), making it suitable for applications with elevated ambient temperature requirements.

Secondary Consideration - Group B Variants:

Parts in Group B (SMA6J6.0CA-TR and SMAJ6.0CA-TR from STMicroelectronics) operate at 13.7V clamping voltage and are not direct substitutes. These parts are suitable only for applications where the higher clamping voltage is acceptable and circuit re-evaluation confirms compatibility.

Compliance Consideration:

The original SMAJ6.0CA-13 is RoHS non-compliant. All recommended Group A substitutes are ROHS3 compliant, meeting current regulatory requirements for new designs and production.

Frequently Asked Questions (FAQ)

Q: Can SMAJ6.0CA-13-F be used as a direct replacement for SMAJ6.0CA-13?

A: Yes. SMAJ6.0CA-13-F is a direct electrical equivalent with identical voltage and current specifications. The primary difference is product status (active vs. discontinued) and RoHS compliance (ROHS3 vs. non-compliant). No circuit modifications are required.

Q: What is the difference between Group A and Group B substitutes?

A: Group A parts maintain the 10.3V clamping voltage specification of the original SMAJ6.0CA-13 and are fully interchangeable at the circuit level. Group B parts (STMicroelectronics variants) operate at 13.7V clamping voltage and require circuit re-evaluation to confirm compatibility with the application's voltage protection requirements.

Q: Is SMAJ6.0CAE3/TR13 a suitable replacement if my application requires higher transient current handling?

A: Yes. SMAJ6.0CAE3/TR13 maintains the 10.3V clamping voltage while providing 48.5A peak pulse current (vs. 38.8A) and 500W power rating (vs. 400W). This part is suitable for applications requiring enhanced transient protection capability without changing the clamping voltage threshold.

Q: What packaging differences exist among the substitute parts?

A: All substitute parts use the DO-214AC (SMA) surface-mount package, maintaining mechanical compatibility. Packaging designations (Tape & Reel, Cut Tape, Digi-Reel) refer to supply format and do not affect electrical performance or PCB mounting.

Q: Are all recommended substitutes RoHS compliant?

A: All Group A substitute parts are ROHS3 compliant. The original SMAJ6.0CA-13 is RoHS non-compliant. For new designs and production requiring RoHS compliance, select from the recommended Group A alternatives.

Q: Can I use SMA6J6.0CA-TR or SMAJ6.0CA-TR as replacements?

A: These parts are not direct substitutes due to their 13.7V clamping voltage specification. They are suitable only if circuit analysis confirms that the higher clamping voltage is acceptable for the application. Consult your circuit design documentation before selecting these variants.

Q: What is the operating temperature range difference between SMAJ6.0CA-TP and other Group A parts?

A: SMAJ6.0CA-TP extends the operating temperature range to -55°C ~ 175°C (TA), compared to -55°C ~ 150°C for most other Group A parts. This extended range is beneficial for applications in high-temperature environments.

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