SMCJ60A V6G Equivalent & Substitute Parts

Part Overview

The SMCJ60A V6G is a unidirectional transient voltage suppressor (TVS) diode manufactured by Taiwan Semiconductor Corporation, designed for telecom applications. This component features a 60V reverse standoff voltage with a 96.8V maximum clamping voltage and 16A peak pulse current capability in a surface mount DO-214AB (SMC) package. The product is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives that maintain electrical and mechanical compatibility for continued system support and procurement.

Substiute Parts

SMCJ60A V6G

Taiwan Semiconductor CorporationIn Stock: 814SMCJ60A V6G Datasheet

Current PartRFQ

SMCJ60A

Fairchild SemiconductorIn Stock: 16615SMCJ60A Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SMCJ60A V6G is determined by strict equivalence across the following critical parameters:

Electrical Parameters (Must Match):

• Voltage - Reverse Standoff: 60V
• Voltage - Breakdown (Min): 66.7V
• Voltage - Clamping (Max) @ Ipp: 96.8V
• Operating Temperature Range: -55°C to 150°C
• Type: Zener, Unidirectional

Mechanical Parameters (Must Match):

• Package / Case: DO-214AB (SMC)
• Mounting Type: Surface Mount

Performance Parameters (Acceptable Variance):

• Current - Peak Pulse (10/1000µs): Minimum 15.5A (original specification: 16A)
• Power - Peak Pulse: 1500W (1.5kW)

The SMCJ60A from Fairchild Semiconductor meets all critical electrical and mechanical requirements. The peak pulse current specification of 15.5A represents a 3.1% reduction from the original 16A rating, which remains within acceptable tolerance for equivalent component selection in transient voltage suppression applications where the clamping voltage and standoff voltage are the primary design constraints.

Parameter Comparison

Engineering Selection Recommendations

The SMCJ60A from Fairchild Semiconductor is the direct equivalent substitute for the discontinued SMCJ60A V6G from Taiwan Semiconductor Corporation. Selection is based on the following factors:

Product Status: The Fairchild Semiconductor SMCJ60A maintains Active product status with 16,579 pieces in current inventory, ensuring long-term availability and supply chain continuity compared to the discontinued Taiwan Semiconductor version.

Electrical Equivalence: All critical voltage parameters—reverse standoff, breakdown minimum, and clamping maximum—are identical. The peak pulse current specification of 15.5A versus 16A represents a minor variance that does not compromise circuit protection performance in transient voltage suppression applications.

Mechanical Compatibility: Both components utilize the identical DO-214AB (SMC) surface mount package, enabling direct PCB footprint compatibility without layout modifications.

Compliance: Both components are ROHS3 compliant and carry EAR99 ECCN classification, maintaining regulatory alignment for telecom and general-purpose applications.

Thermal Performance: Identical operating temperature range (-55°C to 150°C) ensures thermal performance equivalence across all operating conditions.

Frequently Asked Questions (FAQ)

Q: Can the Fairchild Semiconductor SMCJ60A directly replace the Taiwan Semiconductor SMCJ60A V6G without PCB modifications?

A: Yes. Both components share identical DO-214AB (SMC) package dimensions and pinout configuration. Direct PCB footprint compatibility is confirmed. No layout or routing changes are required.

Q: What is the significance of the 0.5A difference in peak pulse current (16A vs. 15.5A)?

A: The peak pulse current specification defines the maximum transient current the device can conduct during a 10/1000µs pulse event. The 15.5A rating of the Fairchild component remains within acceptable tolerance for equivalent transient voltage suppression. Both devices clamp at the identical 96.8V maximum voltage, which is the primary design constraint for circuit protection. The minor current variance does not affect clamping performance or protection effectiveness.

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

A: Both components are ROHS3 compliant with EAR99 ECCN classification. No compliance or certification differences exist. Both are suitable for identical application environments.

Q: What is the difference between "Voltage - Reverse Standoff" and "Voltage - Clamping"?

A: Voltage - Reverse Standoff (60V) is the maximum voltage the device blocks in normal operation without conducting. Voltage - Clamping (96.8V) is the maximum voltage that appears across the device during a transient event when it is actively suppressing overvoltage. The clamping voltage is the critical parameter for circuit protection design.

Q: Is the Fairchild SMCJ60A suitable for telecom applications?

A: The Fairchild component is rated for general-purpose applications. The original Taiwan Semiconductor part was specifically designated for telecom applications. Both devices meet identical electrical specifications and thermal requirements. Application suitability depends on specific circuit requirements and system-level validation protocols.

Q: What is the MSL (Moisture Sensitivity Level) rating for the Fairchild substitute?

A: The provided specifications for the Fairchild SMCJ60A do not include MSL rating data. The original Taiwan Semiconductor component carries MSL 1 (Unlimited) classification. MSL information should be obtained from the Fairchild component datasheet or supplier documentation if moisture sensitivity is a critical parameter for your storage and handling procedures.