SMCJ6.0A-M3/9AT Equivalent & Substitute Parts

Part Overview

The SMCJ6.0A-M3/9AT is a unidirectional transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the 6V reverse standoff voltage class and is designed for general-purpose transient protection applications. The part is Active status and RoHS3 compliant. Equivalent and substitute parts are identified to support procurement flexibility, inventory optimization, and supply chain continuity.

Key Parameters

Parameter	Value
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
Package / Case	DO-214AB, SMC
Mounting Type	Surface Mount
Operating Temperature	-55°C ~ 150°C (TJ)
Type	Zener
Unidirectional Channels	1

Substitute Part Grouping Explanation

Substitution eligibility for the SMCJ6.0A-M3/9AT is determined by the following critical parameters:

Voltage - Reverse Standoff: 6V (exact match required)
Voltage - Breakdown (Min): 6.67V (exact match required)
Voltage - Clamping (Max) @ Ipp: 10.3V (exact match required)
Current - Peak Pulse (10/1000µs): 145.6A (exact match required)
Power - Peak Pulse: 1500W (exact match required)
Package / Case: DO-214AB, SMC (exact match required)
Mounting Type: Surface Mount (exact match required)
Type: Zener, Unidirectional (exact match required)

Parts are grouped into three categories: Direct Equivalents (identical electrical and mechanical specifications), Upgrades (enhanced performance characteristics), and Manufacturer Recommended alternatives (different electrical specifications but same package class).

Parameter Comparison

Part Number	Manufacturer	Voltage Standoff	Voltage Breakdown	Voltage Clamp	Peak Pulse Current	Peak Power	Package	Status
SMCJ6.0A-M3/9AT	Vishay	6V	6.67V	10.3V	145.6A	1500W	DO-214AB (SMC)	Active
SMCJ6.0A-E3/9AT	Vishay	6V	6.67V	10.3V	145.6A	1500W	DO-214AB (SMC)	Active
1SMC6.0A TR13 PBFREE	Central Semiconductor	6V	6.67V	10.3V	145.6A	1500W	DO-214AB (SMC)	Active
SMCJ6.0A-13-F	Diodes Incorporated	6V	6.67V	10.3V	145.6A	1500W	DO-214AB (SMC)	Active
SMCJ6V0A	Fairchild Semiconductor	6V	6.67V	10.3V	145.6A	1500W	DO-214AB (SMC)	Active
SMCJ6.0A (TSC)	Taiwan Semiconductor	6V	6.67V	10.3V	152A	1500W	DO-214AB (SMC)	Active
SMCJ6.0A-TR	STMicroelectronics	6V	6.7V	13.7V	730A (8/20µs)	1500W	DO-214AB (SMC)	Active
SMDJ6.0A	Alpha & Omega Semiconductor	6V	6.67V	10.3V	291.3A	3000W	DO-214AB (SMC)	Active
SMLJ6.0A	Bourns Inc.	6V	6.67V	10.3V	291.3A	3000W	DO-214AB (SMC)	Active

Engineering Selection Recommendations

Direct Equivalents (Pin-for-Pin Compatible): SMCJ6.0A-E3/9AT, 1SMC6.0A TR13 PBFREE, SMCJ6.0A-13-F, and SMCJ6V0A are direct electrical and mechanical equivalents. All maintain identical voltage ratings, peak pulse current of 145.6A, and 1500W peak power dissipation. These parts are suitable for direct substitution without circuit redesign. All are RoHS3 compliant and Active status.

Upgrade Options (Enhanced Performance): SMCJ6.0A (Taiwan Semiconductor) provides a marginal current upgrade to 152A while maintaining all other specifications. SMDJ6.0A and SMLJ6.0A offer doubled peak power capacity (3000W) with doubled peak pulse current (291.3A), suitable for applications requiring higher transient energy absorption. These upgrades maintain the same voltage class and package footprint.

Manufacturer Recommended Alternative: SMCJ6.0A-TR (STMicroelectronics) operates at a higher clamping voltage (13.7V) and significantly higher peak pulse current (730A at 8/20µs pulse). This part is not a direct substitute and requires circuit evaluation to confirm compatibility with the application's transient protection requirements.

Frequently Asked Questions (FAQ)

Q: Can SMCJ6.0A-E3/9AT replace SMCJ6.0A-M3/9AT directly? A: Yes. Both parts are manufactured by Vishay with identical electrical specifications (6V standoff, 10.3V clamp, 145.6A peak pulse) and the same DO-214AB SMC package. The difference is in packaging format (E3/9AT vs. M3/9AT tape reel configuration). Electrical performance is equivalent.

Q: What is the difference between SMCJ6.0A and SMDJ6.0A? A: Both maintain the same 6V voltage class and 10.3V clamping voltage. The primary difference is peak power dissipation: SMCJ6.0A is rated at 1500W with 145.6A peak pulse, while SMDJ6.0A is rated at 3000W with 291.3A peak pulse. SMDJ6.0A is suitable for higher-energy transient events.

Q: Is SMCJ6.0A-TR (STMicroelectronics) a direct substitute? A: No. While it maintains the 6V reverse standoff voltage and DO-214AB SMC package, the clamping voltage is 13.7V (versus 10.3V) and peak pulse current is 730A (versus 145.6A). This part is a manufacturer-recommended alternative for applications requiring higher transient current handling but requires circuit validation.

Q: Are all substitute parts RoHS3 compliant? A: All listed direct equivalents and upgrades are RoHS3 compliant and Active status. Compliance certifications are consistent across the substitution group.

Q: Can SMLJ6.0A be used instead of SMCJ6.0A-M3/9AT? A: Yes, as an upgrade. SMLJ6.0A (Bourns) provides identical voltage specifications and package but with enhanced peak power (3000W vs. 1500W) and peak pulse current (291.3A vs. 145.6A). The part is pin-compatible and suitable for applications requiring higher transient energy absorption.

Q: What packaging formats are available? A: The main part SMCJ6.0A-M3/9AT is supplied in Tape & Reel (TR) format. Equivalent parts are available in Tape & Reel (TR) or Bulk packaging. Verify packaging format during procurement to ensure compatibility with assembly equipment.

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