SMCJ6.0A-13 Transient Voltage Suppressor Diode Equivalent & Substitute Parts

Part Overview

The SMCJ6.0A-13 is a unidirectional Zener transient voltage suppressor (TVS) diode manufactured by Diodes Incorporated in the DO-214AB (SMC) surface mount package. This component is designed for general-purpose transient voltage suppression applications with a 6V reverse standoff voltage and 10.3V maximum clamping voltage at peak pulse current. The part is currently discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	SMCJ6.0A-13
Manufacturer	Diodes Incorporated
Category	Transient Voltage Suppressors (TVS)
Type	Zener
Unidirectional Channels	1
Voltage - Reverse Standoff (Typ)	6V
Voltage - Breakdown (Min)	6.67V
Voltage - Clamping (Max) @ Ipp	10.3V
Current - Peak Pulse (10/1000µs)	145.6A
Power - Peak Pulse	1500W (1.5kW)
Operating Temperature	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	DO-214AB, SMC
Product Status	Discontinued at DiGi Electronics

Substitute Part Grouping Explanation

Substitution eligibility for the SMCJ6.0A-13 is determined by the following critical parameters:

Voltage - Reverse Standoff (Typ): 6V
Voltage - Clamping (Max) @ Ipp: 10.3V
Unidirectional Channels: 1
Mounting Type: Surface Mount
Package / Case: DO-214AB, SMC

Substitute parts must maintain identical reverse standoff voltage and clamping voltage specifications to ensure functional equivalence in circuit protection. Peak pulse current and power dissipation may vary within acceptable ranges for the application. All substitute parts listed are unidirectional Zener TVS diodes in surface mount SMC packaging, confirming mechanical and electrical compatibility.

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff (Typ)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Power - Peak Pulse	Operating Temperature	Product Status	RoHS Status
SMCJ6.0A-13	Diodes Incorporated	6V	10.3V	145.6A	1500W	-55°C ~ 150°C	Discontinued	RoHS non-compliant
SMCJ6.0A-13-F	Diodes Incorporated	6V	10.3V	145.6A	1500W	-55°C ~ 150°C	Active	ROHS3 Compliant
SMCJ6V0A	Fairchild Semiconductor	6V	10.3V	145.6A	1500W	Not specified	Active	Not specified
SMCJ6.0A	Taiwan Semiconductor Corporation	6V	10.3V	152A	1500W	-55°C ~ 150°C	Active	ROHS3 Compliant
SMCJ6.0A-TR	STMicroelectronics	6V	13.7V	730A (8/20µs)	1500W	-55°C ~ 150°C	Active	ROHS3 Compliant
SMDJ6.0A	Alpha & Omega Semiconductor Inc.	6V	10.3V	291.3A	3000W	-55°C ~ 150°C	Active	ROHS3 Compliant
SMDJ6.0A-T7	Littelfuse Inc.	6V	10.3V	291.3A	3000W	-65°C ~ 150°C	Active	ROHS3 Compliant
SMLJ6.0A	Bourns Inc.	6V	10.3V	291.3A	3000W	-55°C ~ 150°C	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Replacement (Identical Specifications): SMCJ6.0A-13-F from Diodes Incorporated is the direct equivalent with identical electrical specifications and the same manufacturer. This part is active and ROHS3 compliant, addressing the RoHS non-compliance status of the original part.

Functionally Equivalent Alternatives (6V Standoff, 10.3V Clamp): SMCJ6V0A (Fairchild Semiconductor), SMCJ6.0A (Taiwan Semiconductor Corporation), SMDJ6.0A (Alpha & Omega Semiconductor Inc.), SMDJ6.0A-T7 (Littelfuse Inc.), and SMLJ6.0A (Bourns Inc.) all maintain the critical 6V reverse standoff and 10.3V clamping voltage parameters. All are active products with ROHS3 compliance. The SMDJ and SMLJ series offer higher peak pulse current and power dissipation ratings, providing additional margin in high-transient environments.

Limited Compatibility: SMCJ6.0A-TR from STMicroelectronics has a higher clamping voltage (13.7V) and significantly higher peak pulse current (730A at 8/20µs pulse). This part is suitable only if the application circuit can tolerate the elevated clamping voltage.

Frequently Asked Questions (FAQ)

Q: Can I use SMCJ6.0A-TR as a direct substitute for SMCJ6.0A-13? A: No. While SMCJ6.0A-TR maintains the 6V reverse standoff voltage, its clamping voltage is 13.7V compared to the required 10.3V. This higher clamping voltage may exceed circuit protection thresholds and is not functionally equivalent.

Q: What is the difference between SMCJ and SMDJ series parts? A: The SMDJ series (SMDJ6.0A, SMDJ6.0A-T7) offers double the power dissipation rating (3000W vs 1500W) and higher peak pulse current (291.3A vs 145.6A). Both maintain identical voltage specifications. SMDJ parts are suitable for applications requiring higher transient energy absorption.

Q: Are all substitute parts RoHS compliant? A: All listed substitute parts except SMCJ6V0A are explicitly ROHS3 compliant. SMCJ6V0A compliance status is not specified in available data. For RoHS-mandated applications, select from SMCJ6.0A-13-F, SMCJ6.0A, SMCJ6.0A-TR, SMDJ6.0A, SMDJ6.0A-T7, or SMLJ6.0A.

Q: Does packaging format affect substitution? A: All substitute parts use the same DO-214AB (SMC) surface mount package, ensuring mechanical compatibility. Packaging format (bulk vs. tape & reel) does not affect electrical performance or board-level compatibility.

Q: What is the operating temperature range for substitute parts? A: Most substitute parts operate from -55°C to 150°C (TJ). SMDJ6.0A-T7 extends the lower limit to -65°C. The original SMCJ6.0A-13 operates from -55°C to 150°C, matching most alternatives.

Q: Can I use higher-rated parts like SMDJ6.0A in place of SMCJ6.0A-13? A: Yes. SMDJ6.0A maintains identical voltage specifications (6V standoff, 10.3V clamp) with superior current and power ratings. Higher ratings provide additional design margin without compromising circuit protection function.

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