SMBJ13CA-M3/52 Equivalent & Substitute Parts

Part Overview

The SMBJ13CA-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 is designed for general-purpose transient voltage suppression applications. The part is Active status and ROHS3 compliant. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	SMBJ13CA-M3/52
Manufacturer	Vishay General Semiconductor - Diodes Division
Category	Transient Voltage Suppressors (TVS)
Type	Zener
Bidirectional Channels	1
Voltage - Reverse Standoff (Typ)	13V
Voltage - Breakdown (Min)	14.4V
Voltage - Clamping (Max) @ Ipp	21.5V
Current - Peak Pulse (10/1000µs)	27.9A
Power - Peak Pulse	600W
Package / Case	DO-214AA, SMB
Mounting Type	Surface Mount
Operating Temperature	-55°C ~ 150°C (TJ)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the SMBJ13CA-M3/52 is determined by the following critical parameters:

Voltage - Reverse Standoff (Typ): 13V
Voltage - Breakdown (Min): 14.4V minimum
Voltage - Clamping (Max) @ Ipp: 21.5V maximum
Current - Peak Pulse (10/1000µs): 27.9A minimum
Power - Peak Pulse: 600W
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
Bidirectional Channels: 1
RoHS Status: ROHS3 Compliant

Parts meeting these electrical and mechanical specifications are classified as direct substitutes. Parts with identical electrical characteristics but different packaging designations or manufacturer sourcing are classified as equivalent alternatives. Parts with minor variations in peak pulse current (within ±0.5A) or clamping voltage (within ±0.3V) are classified as near-equivalent alternatives.

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff	Voltage - Breakdown (Min)	Voltage - Clamping (Max)	Current - Peak Pulse	Power - Peak Pulse	Package	Operating Temp	RoHS Status
SMBJ13CA-M3/52	Vishay	13V	14.4V	21.5V	27.9A	600W	DO-214AA, SMB	-55°C ~ 150°C	ROHS3
SMBJ13CA-E3/5B	Vishay	13V	14.4V	21.5V	27.9A	600W	DO-214AA, SMB	-55°C ~ 150°C	ROHS3
SMBJ13CA-E3/52	Vishay	13V	14.4V	21.5V	27.9A	600W	DO-214AA, SMB	-55°C ~ 150°C	ROHS3
SMBJ13CD-M3/H	Vishay	13V	14.6V	21.2V	28.3A	600W	DO-214AA, SMB	-55°C ~ 150°C	ROHS3
1SMB13CA TR13 PBFREE	Central Semiconductor Corp	13V	14.4V	21.5V	27.9A	600W	DO-214AA, SMB	-65°C ~ 150°C	ROHS3
SMBJ13CA-13-F	Diodes Incorporated	13V	14.4V	21.5V	27.9A	600W	DO-214AA, SMB	-55°C ~ 150°C	ROHS3
SMBJ13CA-TP	Micro Commercial Co	13V	14.4V	21.5V	27.9A	600W	DO-214AA, SMB	-55°C ~ 175°C	ROHS3
SMBJ13CA	MDD	13V	14.4V	21.5V	28A	600W	DO-214AA, SMB	-50°C ~ 150°C	ROHS3
SZ1SMB13CAT3G	Littelfuse Inc.	13V	14.4V	21.5V	27.9A	600W	DO-214AA, SMB	-65°C ~ 150°C	ROHS3

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, meeting regulatory requirements for current applications. Selection among equivalent parts should be based on:

Vishay Direct Equivalents (SMBJ13CA-E3/5B, SMBJ13CA-E3/52): Identical electrical specifications and operating temperature range to the primary part. These represent the closest functional equivalents from the original manufacturer.

Vishay Near-Equivalent (SMBJ13CD-M3/H): Exhibits minor variations in breakdown voltage (14.6V vs. 14.4V) and clamping voltage (21.2V vs. 21.5V), with slightly higher peak pulse current (28.3A vs. 27.9A). These variations remain within acceptable tolerance bands for general-purpose TVS applications.

Multi-Manufacturer Equivalents (1SMB13CA TR13 PBFREE, SMBJ13CA-13-F, SMBJ13CA-TP, SMBJ13CA, SZ1SMB13CAT3G): All maintain identical core electrical specifications (13V standoff, 21.5V clamping, 27.9A peak pulse). Operating temperature ranges vary slightly; SMBJ13CA-TP supports extended upper temperature to 175°C, while 1SMB13CA TR13 PBFREE and SZ1SMB13CAT3G extend lower temperature to -65°C. SMBJ13CA (MDD) operates at -50°C minimum. SZ1SMB13CAT3G carries AEC-Q101 automotive qualification.

Frequently Asked Questions (FAQ)

Q: Can SMBJ13CD-M3/H be used as a direct replacement for SMBJ13CA-M3/52?

A: SMBJ13CD-M3/H is a near-equivalent alternative. It maintains the 13V reverse standoff voltage and 600W peak pulse power. The clamping voltage is 21.2V (versus 21.5V) and peak pulse current is 28.3A (versus 27.9A). These variations are within typical tolerance bands for TVS diode applications. Compatibility depends on circuit-specific voltage and current requirements.

Q: What is the difference between Vishay SMBJ13CA variants (M3/52, E3/5B, E3/52)?

A: All three Vishay variants (SMBJ13CA-M3/52, SMBJ13CA-E3/5B, SMBJ13CA-E3/52) share identical electrical specifications and operating temperature range (-55°C ~ 150°C). The suffix designations (M3/52, E3/5B, E3/52) indicate different packaging configurations or tape specifications within Vishay's distribution channels. They are functionally interchangeable.

Q: Are multi-manufacturer parts (Central Semiconductor, Diodes Inc., Littelfuse) suitable replacements?

A: Yes. 1SMB13CA TR13 PBFREE, SMBJ13CA-13-F, SMBJ13CA-TP, and SZ1SMB13CAT3G all meet the core electrical specifications: 13V reverse standoff, 21.5V clamping voltage, 27.9A peak pulse current, and 600W peak power. All are ROHS3 compliant and Active status. Selection should account for operating temperature requirements and any application-specific certifications (such as AEC-Q101 for SZ1SMB13CAT3G).

Q: Does the MDD SMBJ13CA part have any limitations compared to the Vishay original?

A: The MDD SMBJ13CA maintains identical electrical specifications but operates over a narrower temperature range (-50°C ~ 150°C versus -55°C ~ 150°C). If the application requires operation below -50°C, alternative sources should be selected. Peak pulse current is specified as 28A (versus 27.9A), which is within acceptable tolerance.

Q: Which substitute part offers the widest operating temperature range?

A: SMBJ13CA-TP (Micro Commercial Co) supports the highest upper operating temperature at 175°C (versus 150°C for most alternatives). 1SMB13CA TR13 PBFREE and SZ1SMB13CAT3G extend the lower temperature limit to -65°C (versus -55°C for the primary part). Selection depends on specific thermal requirements.

Q: Is SZ1SMB13CAT3G suitable for automotive applications?

A: SZ1SMB13CAT3G carries AEC-Q101 automotive qualification and is manufactured by Littelfuse Inc. It meets all electrical specifications of the primary part and is suitable for automotive-grade applications where this certification is required.

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