SMBJ6.0C Transient Voltage Suppressor Equivalent & Substitute Parts

Part Overview

The SMBJ6.0C is a 6V bidirectional Zener transient voltage suppressor (TVS) diode manufactured by Littelfuse Inc. in DO-214AA (SMB) surface mount package. This component is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. The SMBJ6.0C provides transient voltage suppression for general-purpose applications with a 10.82V maximum clamping voltage and 58.3A peak pulse current capability.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	6	V
Voltage - Breakdown (Min)	6.32	V
Voltage - Clamping (Max) @ Ipp	10.82	V
Current - Peak Pulse (10/1000µs)	58.3	A
Power - Peak Pulse	600	W
Operating Temperature Range	-65 to 150	°C (TJ)
Mounting Type	Surface Mount	-
Package / Case	DO-214AA, SMB	-
Type	Zener	-
Bidirectional Channels	1	-
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level (MSL)	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitute parts for the SMBJ6.0C are qualified based on the following electrical and mechanical parameters:

Critical Matching Parameters:

Voltage - Reverse Standoff (Typ): 6V
Voltage - Clamping (Max) @ Ipp: 10.3V to 10.82V range
Current - Peak Pulse (10/1000µs): 58.3A minimum
Power - Peak Pulse: 600W minimum
Package / Case: DO-214AA, SMB (surface mount)
Type: Zener, Bidirectional
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Substitute parts maintain the same 6V reverse standoff voltage and clamping voltage within acceptable tolerance. All qualified substitutes are surface mount devices in DO-214AA (SMB) package format with equivalent or superior peak pulse current and power ratings. All substitutes maintain ROHS3 compliance and MSL Level 1 rating.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Product Status	Voltage - Reverse Standoff (V)	Voltage - Clamping (Max) @ Ipp (V)	Current - Peak Pulse (A)	Power - Peak Pulse (W)	Operating Temperature (°C)	Package
SMBJ6.0C	Littelfuse Inc.	Obsolete	6	10.82	58.3	600	-65 to 150	DO-214AA, SMB
SMBJ6.0CA	EVVO Semi	Active	6	10.3	58.3	600	-65 to 150	DO-214AA, SMB
SMB8J6.0CA-E3/52	Vishay General Semiconductor - Diodes Division	Active	6	10.3	77.7	800	-55 to 150	DO-214AA, SMB
SMB8J6.0CA-E3/5B	Vishay General Semiconductor - Diodes Division	Active	6	10.3	77.7	800	-55 to 150	DO-214AA, SMB
SMBJ6.0CA-13-F	Diodes Incorporated	Active	6	10.3	58.3	600	-55 to 150	DO-214AA, SMB
SMBJ6.0CA-TR	STMicroelectronics	Active	6	10.3	61	600	-55 to 150	DO-214AA, SMB
TV06B6V0JB-G	Comchip Technology	Active	6	10.3	58.25	600	Not specified	DO-214AA, SMB
TV06B6V0JB-HF	Comchip Technology	Active	6	10.3	58.25	600	Not specified	DO-214AA, SMB

Engineering Selection Recommendations

All listed substitute parts are active production components with ROHS3 compliance and MSL Level 1 rating, meeting the environmental and regulatory requirements of the obsolete SMBJ6.0C.

Primary Substitutes (Equivalent Performance):

SMBJ6.0CA (EVVO Semi): Maintains identical peak pulse current (58.3A) and power rating (600W) with active product status and full temperature range (-65°C to 150°C).
SMBJ6.0CA-TR (STMicroelectronics): Provides equivalent electrical performance with 61A peak pulse current and active status. Temperature range limited to -55°C to 150°C.
SMBJ6.0CA-13-F (Diodes Incorporated): Matches electrical specifications with 58.3A peak pulse current. Temperature range limited to -55°C to 150°C.

Enhanced Performance Substitutes (Higher Current/Power Rating):

SMB8J6.0CA-E3/52 (Vishay TransZorb®): Provides superior peak pulse current (77.7A) and power rating (800W) with active status. Temperature range -55°C to 150°C.
SMB8J6.0CA-E3/5B (Vishay TransZorb®): Identical specifications to SMB8J6.0CA-E3/52 with enhanced performance margin.

Alternative Substitutes (Equivalent Specifications):

TV06B6V0JB-G (Comchip Technology): Matches electrical performance with 58.25A peak pulse current and 600W power rating. Operating temperature range not specified.
TV06B6V0JB-HF (Comchip Technology): Identical to TV06B6V0JB-G variant.

Selection should prioritize active production components with specified operating temperature ranges matching application requirements. Enhanced performance variants (Vishay SMB8J6.0CA series) provide additional design margin for transient suppression applications.

Frequently Asked Questions (FAQ)

Q: Can SMBJ6.0CA directly replace SMBJ6.0C? A: Yes. SMBJ6.0CA maintains the same 6V reverse standoff voltage, equivalent clamping voltage (10.3V vs. 10.82V), identical peak pulse current (58.3A), and matching 600W power rating. Both use DO-214AA (SMB) surface mount package. SMBJ6.0CA is an active production component.

Q: What is the difference between SMBJ6.0CA and SMB8J6.0CA variants? A: SMB8J6.0CA variants (E3/52 and E3/5B) provide enhanced performance with 77.7A peak pulse current and 800W power rating compared to SMBJ6.0CA's 58.3A and 600W. Both maintain 6V reverse standoff and 10.3V clamping voltage. Enhanced variants offer additional design margin for high-transient applications.

Q: Are all substitutes compatible with the same PCB footprint? A: Yes. All substitute parts use DO-214AA (SMB) surface mount package, maintaining identical PCB footprint and land pattern compatibility with SMBJ6.0C.

Q: What is the temperature range consideration for substitute selection? A: SMBJ6.0C operates -65°C to 150°C. SMBJ6.0CA maintains this full range. Alternative substitutes (SMBJ6.0CA-TR, SMBJ6.0CA-13-F, SMB8J6.0CA series) operate -55°C to 150°C. Select based on application minimum temperature requirement.

Q: Do all substitutes meet RoHS compliance? A: Yes. All listed substitute parts are ROHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity rating, matching the environmental compliance of SMBJ6.0C.

Q: Which substitute offers the best availability? A: SMBJ6.0CA (EVVO Semi) shows highest inventory (95,300 pcs) with active production status and equivalent electrical specifications to the obsolete SMBJ6.0C.

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