SMBJ10CA-M3/52 Equivalent & Substitute Parts

Part Overview

The SMBJ10CA-M3/52 is a 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 bidirectional transient protection for general-purpose applications. The part is active in production status with full RoHS3 compliance and unlimited moisture sensitivity rating. Equivalent and substitute parts are identified based on matching electrical performance parameters and mechanical compatibility within the SMBJ10 series.

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
Operating Temperature Range	-55 to 150	°C (TJ)
Package / Case	DO-214AA, SMB	—
Mounting Type	Surface Mount	—
Bidirectional Channels	1	—
Type	Zener	—

Substitute Part Grouping Explanation

Substitution of the SMBJ10CA-M3/52 is determined by the following critical electrical and mechanical parameters:

Electrical Matching Criteria:

Voltage - Reverse Standoff (Typ): 10V
Voltage - Clamping (Max) @ Ipp: 17V (±0.3V tolerance acceptable)
Current - Peak Pulse (10/1000µs): 35.3A (±0.6A tolerance acceptable)
Power - Peak Pulse: 600W
Bidirectional Channels: 1
Type: Zener

Mechanical Matching Criteria:

Package / Case: DO-214AA or SMB
Mounting Type: Surface Mount
Supplier Device Package: DO-214AA (SMBJ) or equivalent SMB designation

Substitute parts are grouped into two categories: direct equivalents from Vishay with identical electrical specifications and alternative manufacturer parts meeting the same electrical performance envelope. Parts with clamping voltage of 16.7V (SMBJ10CD series) fall outside the primary substitution group due to voltage specification variance.

Parameter Comparison

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

Engineering Selection Recommendations

Primary Substitutes (Identical Electrical Specifications):

SMBJ10CA-E3/5B, SMBJ10CA-E3/52, and SMBJ10CA-13-F are direct functional equivalents to SMBJ10CA-M3/52. All three parts maintain the 10V reverse standoff voltage, 17V clamping voltage, and 35.3A peak pulse current. These parts are active in production status and carry full RoHS3 compliance. Selection among these primary substitutes depends on packaging availability and lead time requirements.

Extended Temperature Range Alternative:

SMBJ10CA-TP (Micro Commercial Co) extends the upper operating temperature limit to 175°C compared to the standard 150°C maximum. This part maintains all electrical specifications and is suitable for applications requiring enhanced thermal performance. RoHS3 compliance is confirmed.

Generic Equivalent:

SMBJ10CA (MDD) represents a generic equivalent with identical electrical performance. The lower operating temperature minimum (-50°C versus -55°C) and unspecified series designation indicate this as a standard catalog part. High inventory availability (443,100 units) supports supply chain continuity.

Non-Equivalent Alternative:

SMBJ10CD-M3/H exhibits a reduced clamping voltage of 16.7V and increased peak pulse current of 35.9A. This part does not meet the primary electrical specification envelope and is not recommended as a direct substitute.

Frequently Asked Questions (FAQ)

Q: Can SMBJ10CA-E3/5B replace SMBJ10CA-M3/52 in existing designs?

A: Yes. Both parts share identical electrical specifications: 10V reverse standoff, 17V clamping voltage, 35.3A peak pulse current, and 600W peak pulse power. Both are packaged in DO-214AA and operate across -55°C to 150°C. The difference in part number suffix reflects packaging tape configuration only.

Q: What is the difference between SMBJ10CA-M3/52 and SMBJ10CA-TP?

A: The primary difference is operating temperature range. SMBJ10CA-TP extends to 175°C maximum junction temperature, compared to 150°C for SMBJ10CA-M3/52. All electrical parameters remain identical. SMBJ10CA-TP is manufactured by Micro Commercial Co rather than Vishay.

Q: Is SMBJ10CD-M3/H compatible with SMBJ10CA-M3/52?

A: No. SMBJ10CD-M3/H has a clamping voltage of 16.7V and peak pulse current of 35.9A, which fall outside the electrical specification envelope of SMBJ10CA-M3/52. Direct substitution is not supported.

Q: Can I use SMBJ10CA (MDD) as a substitute?

A: Yes, with consideration for operating temperature range. SMBJ10CA maintains all critical electrical specifications but specifies a minimum operating temperature of -50°C versus -55°C for the original part. For applications not requiring the full -55°C lower limit, this generic equivalent is suitable.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry RoHS3 compliance certification and unlimited moisture sensitivity rating (MSL 1), matching the original SMBJ10CA-M3/52.

Q: What determines whether a part can substitute for SMBJ10CA-M3/52?

A: Substitution is determined by matching reverse standoff voltage (10V), clamping voltage (17V), peak pulse current (35.3A), power rating (600W), package type (DO-214AA or SMB), and surface mount configuration. Operating temperature range and manufacturer differences do not prevent substitution if electrical and mechanical parameters align.

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