SMBJ130CA-M3/52 Equivalent & Substitute Parts

Part Overview

The SMBJ130CA-M3/52 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 in production status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified based on matching electrical performance parameters and mechanical compatibility within the TVS diode category.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	130	V
Voltage - Breakdown (Min)	144	V
Voltage - Clamping (Max) @ Ipp	209	V
Current - Peak Pulse (10/1000µs)	2.9	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	—
RoHS Status	ROHS3 Compliant	—
MSL Rating	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the SMBJ130CA-M3/52 are classified into two categories based on electrical parameter matching:

Category 1: Direct Electrical Equivalents (130V Standoff) Parts that maintain identical reverse standoff voltage (130V), breakdown voltage (144V minimum), clamping voltage (209V maximum), and peak pulse current (2.9A or 2.87A). These parts are mechanically and electrically interchangeable within the same application circuit. Substitutes in this category include SMBJ130CA-E3/52 (Vishay), SMBJ130CA (Meritek), and SMBJ130CA-13-F (Diodes Incorporated). All maintain the DO-214AA (SMB) surface mount package, 600W peak pulse power rating, and -55°C to 150°C operating temperature range.

Category 2: Higher Voltage Rating Alternative (150V Standoff) The SMBJ150CA (MDD) represents a higher voltage variant with 150V reverse standoff, 167V minimum breakdown, and 243V maximum clamping voltage. This part is suitable only when circuit design permits higher voltage suppression thresholds and does not require the specific 130V protection level of the primary part.

Substitution eligibility is determined by: (1) matching or exceeding reverse standoff voltage, (2) matching or lower clamping voltage, (3) identical or compatible package format (DO-214AA/SMB), (4) surface mount configuration, and (5) active product status with current RoHS3 compliance.

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff (V)	Voltage - Breakdown Min (V)	Voltage - Clamping Max @ Ipp (V)	Current - Peak Pulse (A)	Power - Peak Pulse (W)	Operating Temp (°C)	Package	RoHS Status
SMBJ130CA-M3/52	Vishay General Semiconductor	130	144	209	2.9	600	-55 to 150	DO-214AA (SMB)	ROHS3 Compliant
SMBJ130CA-E3/52	Vishay General Semiconductor	130	144	209	2.9	600	-55 to 150	DO-214AA (SMB)	ROHS3 Compliant
SMBJ130CA	Meritek	130	144	209	2.87	600	-55 to 150	DO-214AA (SMB)	ROHS3 Compliant
SMBJ130CA-13-F	Diodes Incorporated	130	144	209	2.9	600	-55 to 150	DO-214AA (SMB)	ROHS3 Compliant
SMBJ150CA	MDD	150	167	243	2.5	600	-50 to 150	DO-214AA (SMB)	ROHS3 Compliant

Engineering Selection Recommendations

Direct Substitutes (Category 1): SMBJ130CA-E3/52, SMBJ130CA (Meritek), and SMBJ130CA-13-F are functionally equivalent to SMBJ130CA-M3/52. All maintain active product status, ROHS3 compliance, and MSL 1 rating. Selection among these direct equivalents may be based on supplier availability and lead time. The Meritek variant exhibits peak pulse current of 2.87A, which remains within acceptable tolerance for the 130V protection class.

Higher Voltage Alternative (Category 2): SMBJ150CA is suitable only when circuit design specifications permit 150V standoff voltage operation. This part introduces higher clamping voltage (243V vs. 209V) and reduced peak pulse current (2.5A vs. 2.9A). Use of SMBJ150CA requires verification that the protected circuit can tolerate the increased clamping threshold without performance degradation.

All substitute parts maintain DO-214AA (SMB) surface mount packaging, ensuring mechanical compatibility with existing PCB layouts. All parts carry ROHS3 compliance and unlimited moisture sensitivity rating, meeting current regulatory and manufacturing requirements.

Frequently Asked Questions (FAQ)

Q: Can SMBJ130CA-E3/52 be used as a direct replacement for SMBJ130CA-M3/52? A: Yes. Both parts are manufactured by Vishay General Semiconductor and maintain identical electrical parameters: 130V reverse standoff, 144V minimum breakdown, 209V maximum clamping, and 2.9A peak pulse current. The difference in part number suffix (E3/52 vs. M3/52) reflects packaging reel configuration only. Electrical performance and mechanical compatibility are equivalent.

Q: What is the difference between the Meritek SMBJ130CA and the Vishay SMBJ130CA-M3/52? A: Both parts share the same 130V protection class with 209V clamping voltage. The Meritek variant specifies 2.87A peak pulse current compared to 2.9A for Vishay. This 0.03A difference falls within normal manufacturing tolerance for TVS diodes in this category and does not affect functional substitution. Both maintain identical operating temperature range (-55°C to 150°C) and DO-214AA packaging.

Q: Is SMBJ150CA compatible with circuits designed for SMBJ130CA-M3/52? A: SMBJ150CA operates at a higher voltage threshold (150V standoff vs. 130V) and produces higher clamping voltage (243V vs. 209V). This part is compatible only if the protected circuit design permits operation at these elevated voltage levels. Direct substitution without circuit verification may result in inadequate transient suppression or circuit malfunction. Consult circuit design specifications before selecting SMBJ150CA.

Q: Do all substitute parts use the same DO-214AA package? A: Yes. All listed substitute parts use the DO-214AA (SMB) surface mount package. This ensures mechanical and footprint compatibility with PCB layouts designed for SMBJ130CA-M3/52. No PCB redesign is required when substituting among parts within Category 1 (130V standoff variants).

Q: Are all substitute parts RoHS3 compliant? A: Yes. All substitute parts listed carry ROHS3 compliance certification and MSL 1 (unlimited) moisture sensitivity rating. All parts meet current regulatory requirements for lead-free manufacturing and hazardous substance restrictions.

Q: What is the significance of the peak pulse current specification (2.9A vs. 2.87A)? A: Peak pulse current defines the maximum transient current the TVS diode can suppress during a 10/1000µs pulse event. The 2.9A specification for Vishay and Diodes Incorporated parts, and 2.87A for Meritek, represent the rated performance under standard test conditions. Both values support the same 600W peak pulse power rating and are functionally equivalent for general-purpose transient suppression applications.

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