SMBJ10CA-M3/5B Equivalent & Substitute Parts

Part Overview

The SMBJ10CA-M3/5B is a bidirectional transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the DO-214AA (SMB) package and provides transient overvoltage protection for general-purpose applications. The part is Active status and RoHS3 compliant, making it suitable for modern electronic designs requiring ESD and surge protection.

Substitute parts are identified when electrical characteristics and mechanical compatibility remain within acceptable tolerances for the application, allowing for design flexibility, supply chain optimization, and inventory management.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	10	V
Voltage - Breakdown (Min)	11.1	V
Voltage - Clamping (Max) @ Ipp	17	V
Current - Peak Pulse (10/1000µs)	35.3	A
Power - Peak Pulse	600	W
Bidirectional Channels	1	-
Operating Temperature Range	-55 to 150	°C (TJ)
Package / Case	DO-214AA, SMB	-
Mounting Type	Surface Mount	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution eligibility is determined by matching the following critical parameters:

Voltage - Reverse Standoff (Typ): 10V
Voltage - Clamping (Max) @ Ipp: 17V or lower
Current - Peak Pulse (10/1000µs): 35.3A or higher
Package / Case: DO-214AA or SMB
Mounting Type: Surface Mount
Bidirectional Channels: 1
RoHS Status: ROHS3 Compliant

Parts are grouped as direct substitutes when all electrical parameters match the main part specification. Minor variations in breakdown voltage (within 0.3V tolerance) and peak pulse current (within 0.6A tolerance) are acceptable for general-purpose TVS applications.

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff (V)	Voltage - Breakdown Min (V)	Voltage - Clamping Max (V)	Current - Peak Pulse (A)	Power - Peak Pulse (W)	Operating Temp (°C)	Package	RoHS Status
SMBJ10CA-M3/5B	Vishay	10	11.1	17	35.3	600	-55 to 150	DO-214AA	ROHS3
SMBJ10CA-E3/52	Vishay	10	11.1	17	35.3	600	-55 to 150	DO-214AA	ROHS3
SMBJ10CD-M3/I	Vishay	10	11.3	16.7	35.9	600	-55 to 150	DO-214AA	ROHS3
SMBJ10CA-E3/5B	Vishay	10	11.1	17	35.3	600	-55 to 150	DO-214AA	ROHS3
SMBJ10CA	MDD	10	11	17	35.3	600	-50 to 150	DO-214AA	ROHS3
SMBJ10CA-13-F	Diodes Incorporated	10	11.1	17	35.3	600	-55 to 150	DO-214AA	ROHS3
SMBJ10CA-TP	Micro Commercial Co	10	11.1	17	35.3	600	-55 to 175	DO-214AA	ROHS3

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, ensuring compatibility with current manufacturing standards and environmental regulations.

SMBJ10CA-E3/52 and SMBJ10CA-E3/5B are manufacturer-recommended alternatives from Vishay with identical electrical specifications to the main part.

SMBJ10CD-M3/I presents a minor clamping voltage variation (16.7V vs 17V) and slightly elevated peak pulse current (35.9A vs 35.3A), remaining within acceptable tolerance for general-purpose protection circuits.

SMBJ10CA from MDD offers the lowest operating temperature floor (-50°C vs -55°C) and should be evaluated for applications requiring the full -55°C lower bound.

SMBJ10CA-13-F from Diodes Incorporated and SMBJ10CA-TP from Micro Commercial Co provide identical electrical performance to the main part. SMBJ10CA-TP extends the upper operating temperature to 175°C, suitable for high-temperature environments.

Frequently Asked Questions (FAQ)

Q: Can SMBJ10CD-M3/I replace SMBJ10CA-M3/5B directly?

A: SMBJ10CD-M3/I is electrically compatible. The clamping voltage is 16.7V versus 17V, and peak pulse current is 35.9A versus 35.3A. These variations remain within acceptable tolerance for general-purpose TVS applications. Verify application requirements before substitution.

Q: What is the difference between Vishay SMBJ10CA variants?

A: SMBJ10CA-M3/5B, SMBJ10CA-E3/52, and SMBJ10CA-E3/5B share identical electrical specifications. Differences exist in packaging designations and tape/reel configurations. All are suitable for direct substitution.

Q: Does operating temperature range affect substitution eligibility?

A: Operating temperature range does not disqualify substitution for general-purpose applications. SMBJ10CA-TP (-55 to 175°C) and SMBJ10CA from MDD (-50 to 150°C) remain compatible. Select based on your circuit's thermal requirements.

Q: Are all substitute parts available in the same package?

A: All listed substitutes use DO-214AA (SMB) surface mount packaging, ensuring mechanical and footprint compatibility with the original part.

Q: Which substitute offers the best inventory availability?

A: SMBJ10CA from MDD provides the highest inventory level at 443,100 pieces. Vishay variants and Diodes Incorporated alternatives maintain substantial stock levels ranging from 3,200 to 5,240 pieces.

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