SMBJ5.0C-E3/5B Equivalent & Substitute Parts

Part Overview

The SMBJ5.0C-E3/5B is a transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division, designed for general-purpose overvoltage protection in surface-mount applications. This part operates with a 5V reverse standoff voltage and provides 9.6V clamping at peak pulse current. The component is classified as obsolete, necessitating identification of active equivalent parts that maintain electrical and mechanical compatibility for ongoing production and repair applications.

Key Parameters

Parameter	Value
Reverse Standoff Voltage (Typ)	5V
Breakdown Voltage (Min)	6.4V
Clamping Voltage (Max) @ Ipp	9.6V
Peak Pulse Current (10/1000µs)	62.5A
Peak Pulse Power	600W
Package / Case	DO-214AA, SMB
Mounting Type	Surface Mount
Operating Temperature Range	-55°C ~ 150°C (TJ)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the SMBJ5.0C-E3/5B is determined by the following critical parameters:

Reverse Standoff Voltage: Must be 5V (Typ)
Breakdown Voltage: Must be 6.4V (Min)
Package / Case: Must be DO-214AA or SMB equivalent
Mounting Type: Must be Surface Mount
Clamping Voltage Range: 9.2V to 9.6V @ Ipp is acceptable
Peak Pulse Current: 62.5A to 68A is acceptable
Compliance: ROHS3 Compliant, MSL 1

Substitute parts are grouped into two categories based on clamping voltage specification:

Category A (9.6V Clamping - Exact Match):

SMBJ5.0CE3/TR13 (Microchip Technology)

Category B (9.2V Clamping - Functionally Equivalent):

SMBJ5.0CA-E3/5B (Vishay General Semiconductor - Diodes Division)
SMBJ5.0CA (MDD)
SMBJ5.0CA-13-F (Diodes Incorporated)
SMBJ5.0CA-TR (STMicroelectronics)
SMBJ5.0CAE3/TR13 (Microchip Technology)
SMBJ5V0CA (Taiwan Semiconductor Corporation)
TV06B5V0JB-G (Comchip Technology)

Parameter Comparison

Part Number	Manufacturer	Status	Reverse Standoff (V)	Breakdown Min (V)	Clamping Max @ Ipp (V)	Peak Pulse Current (A)	Package	Temp Range (°C)
SMBJ5.0C-E3/5B	Vishay	Obsolete	5	6.4	9.6	62.5	DO-214AA (SMBJ)	-55 ~ 150
SMBJ5.0CA-E3/5B	Vishay	Active	5	6.4	9.2	65.2	DO-214AA (SMBJ)	-55 ~ 150
SMBJ5.0CE3/TR13	Microchip	Active	5	6.4	9.6	62.5	SMBJ (DO-214AA)	-65 ~ 150
SMBJ5.0CA	MDD	Active	5	6.4	9.2	65.3	DO-214AA (SMB)	-65 ~ 150
SMBJ5.0CA-13-F	Diodes Inc.	Active	5	6.4	9.2	65.2	DO-214AA (SMB)	-55 ~ 150
SMBJ5.0CA-TR	STMicroelectronics	Active	5	6.4	9.2	68	DO-214AA (SMB)	-55 ~ 150
SMBJ5.0CAE3/TR13	Microchip	Active	5	6.4	9.2	65.2	SMBJ (DO-214AA)	-65 ~ 150
SMBJ5V0CA	Taiwan Semi	Active	5	6.4	9.2	65.2	DO-214AA (SMB)	-55 ~ 150
TV06B5V0JB-G	Comchip	Active	5	6.4	9.2	65.22	DO-214AA (SMB)	Not specified

Engineering Selection Recommendations

Primary Recommendation: SMBJ5.0CE3/TR13 (Microchip Technology)

This part provides exact electrical parameter matching with 9.6V clamping voltage and 62.5A peak pulse current, identical to the original SMBJ5.0C-E3/5B. It is active status, ROHS3 compliant, and extends the operating temperature range to -65°C. Inventory availability is 4200 units.

Secondary Recommendation: SMBJ5.0CA-E3/5B (Vishay General Semiconductor - Diodes Division)

This active Vishay part maintains the same manufacturer lineage as the obsolete original. While clamping voltage is reduced to 9.2V and peak pulse current increased to 65.2A, both parameters remain within acceptable substitution limits. ROHS3 compliant with 1300 units in stock.

Alternative Options: SMBJ5.0CA (MDD), SMBJ5.0CA-13-F (Diodes Incorporated), SMBJ5.0CA-TR (STMicroelectronics), SMBJ5.0CAE3/TR13 (Microchip), SMBJ5V0CA (Taiwan Semiconductor), and TV06B5V0JB-G (Comchip) all meet the core electrical and mechanical requirements with 9.2V clamping specifications. All are active status and ROHS3 compliant.

Frequently Asked Questions (FAQ)

Q: Can SMBJ5.0CA parts with 9.2V clamping replace the original 9.6V clamping part?

A: Yes. The 9.2V clamping voltage is within acceptable substitution parameters. Both values satisfy the 5V reverse standoff and 6.4V minimum breakdown requirements. The 0.4V difference in clamping voltage does not affect functional compatibility in general-purpose overvoltage protection applications.

Q: Are all substitute parts compatible with the same PCB footprint?

A: Yes. All substitute parts use DO-214AA or SMB package designations, which are mechanically and electrically equivalent for surface-mount applications. PCB layout and reflow profiles remain unchanged.

Q: What is the significance of the temperature range difference between -55°C and -65°C?

A: Parts rated to -65°C (Microchip and MDD variants) provide extended low-temperature operation capability. Parts rated to -55°C are suitable for standard industrial applications. Selection depends on end-use environmental requirements.

Q: Why is TV06B5V0JB-G listed without an operating temperature range?

A: The operating temperature specification was not provided in the source data. Verification with Comchip Technology is recommended if temperature range is a critical design parameter.

Q: Can I mix different substitute part manufacturers in the same production run?

A: All listed substitutes meet identical electrical specifications (5V standoff, 6.4V breakdown, 9.2V or 9.6V clamping, DO-214AA package). Mixing manufacturers is permissible from an electrical standpoint. However, procurement and quality assurance procedures should verify consistency with your organization's component qualification requirements.

Q: What inventory levels are available for each substitute?

A: SMBJ5.0CA (MDD) has the highest availability at 49,305 units. SMBJ5.0CE3/TR13 (Microchip) has 4,200 units. SMBJ5V0CA (Taiwan Semiconductor) has 3,400 units. Other variants range from 764 to 2,400 units. Verify current stock with your supplier before design finalization.

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