SMBJ13CA-M3/5B Equivalent & Substitute Parts

Part Overview

The SMBJ13CA-M3/5B is a bidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the 13V reverse standoff category and provides 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 package compatibility within the DO-214AA (SMB) form factor.

Key Parameters

Parameter	Value
Manufacturer Part Number	SMBJ13CA-M3/5B
Manufacturer	Vishay General Semiconductor - Diodes Division
Category	Transient Voltage Suppressors (TVS)
Type	Zener
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)

Substitute Part Grouping Explanation

Substitution eligibility for the SMBJ13CA-M3/5B 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 or SMB
Mounting Type: Surface Mount
Bidirectional Channels: 1
RoHS Status: ROHS3 Compliant

Parts are grouped as direct equivalents when all electrical parameters match within specification limits and packaging is identical. Manufacturer variants are listed separately based on their designation classification.

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-M3/5B	Vishay	13V	14.4V	21.5V	27.9A	600W	DO-214AA (SMBJ)	-55°C ~ 150°C	ROHS3
SMBJ13CA-E3/52	Vishay	13V	14.4V	21.5V	27.9A	600W	DO-214AA (SMBJ)	-55°C ~ 150°C	ROHS3
SMBJ13CD-M3/I	Vishay	13V	14.6V	21.2V	28.3A	600W	DO-214AA (SMBJ)	-55°C ~ 150°C	ROHS3
SMBJ13CA-E3/5B	Vishay	13V	14.4V	21.5V	27.9A	600W	DO-214AA (SMBJ)	-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

Direct Equivalents (Identical Electrical and Package Specifications)

SMBJ13CA-E3/52 and SMBJ13CA-E3/5B from Vishay are direct equivalents to the SMBJ13CA-M3/5B. All three parts share identical electrical parameters and packaging. Selection among these Vishay variants depends on packaging tape configuration and supplier availability.

Cross-Manufacturer Equivalents (Matching Electrical Performance)

1SMB13CA TR13 PBFREE (Central Semiconductor Corp), SMBJ13CA-13-F (Diodes Incorporated), SMBJ13CA-TP (Micro Commercial Co), SMBJ13CA (MDD), and SZ1SMB13CAT3G (Littelfuse Inc.) all meet the core electrical specifications of 13V reverse standoff, 21.5V clamping voltage, and 27.9A peak pulse current. These parts are suitable for direct substitution in applications where the primary requirement is transient voltage suppression at the specified electrical rating.

Temperature Range Considerations

1SMB13CA TR13 PBFREE and SZ1SMB13CAT3G extend the lower operating temperature to -65°C, providing enhanced performance in cold environments compared to the standard -55°C minimum. SMBJ13CA-TP supports operation to 175°C maximum junction temperature, exceeding the standard 150°C upper limit.

Compliance and Certification

All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with modern manufacturing and storage requirements. SZ1SMB13CAT3G carries AEC-Q101 automotive qualification, suitable for automotive-grade applications.

Variant Selection

SMBJ13CD-M3/I presents a minor electrical variation with 21.2V clamping voltage (versus 21.5V) and 28.3A peak pulse current (versus 27.9A). This part remains functionally compatible for general-purpose transient suppression but should be evaluated for applications with strict clamping voltage requirements.

Frequently Asked Questions (FAQ)

Q: Can SMBJ13CA-E3/5B be used as a direct replacement for SMBJ13CA-M3/5B?

A: Yes. Both parts are manufactured by Vishay with identical electrical specifications: 13V reverse standoff, 21.5V clamping voltage, 27.9A peak pulse current, and 600W peak pulse power. The difference lies in packaging tape configuration. Both are surface mount DO-214AA (SMB) packages suitable for automated assembly.

Q: What is the difference between SMBJ13CA-M3/5B and SMBJ13CD-M3/I?

A: The primary difference is clamping voltage: SMBJ13CA-M3/5B clamps at 21.5V maximum, while SMBJ13CD-M3/I clamps at 21.2V maximum. Peak pulse current also differs slightly (27.9A versus 28.3A). Both maintain 13V reverse standoff voltage. Selection depends on whether the application requires the specific clamping voltage of the original part.

Q: Are cross-manufacturer parts from Central Semiconductor, Diodes Incorporated, and Littelfuse fully compatible?

A: Yes, for general-purpose transient voltage suppression. All cross-manufacturer equivalents match the core electrical parameters: 13V reverse standoff, 21.5V clamping voltage, 27.9A peak pulse current, and 600W peak pulse power. All are surface mount SMB packages with ROHS3 compliance. Compatibility is confirmed at the electrical specification level.

Q: Does operating temperature range affect substitution eligibility?

A: Operating temperature range does not disqualify substitution but indicates application suitability. The original SMBJ13CA-M3/5B operates -55°C to 150°C. Parts with extended ranges (1SMB13CA TR13 PBFREE at -65°C to 150°C, or SMBJ13CA-TP at -55°C to 175°C) are suitable for wider temperature environments. Parts with narrower ranges (SMBJ13CA at -50°C to 150°C) are suitable for standard applications.

Q: What does AEC-Q101 qualification on SZ1SMB13CAT3G indicate?

A: AEC-Q101 is an automotive industry qualification standard. SZ1SMB13CAT3G meets automotive-grade reliability requirements and is suitable for automotive applications. Non-qualified parts remain suitable for industrial and consumer applications.

Q: Can I substitute based on package type alone?

A: No. Package compatibility (DO-214AA, SMB) is necessary but not sufficient. Electrical parameters must also match: reverse standoff voltage, breakdown voltage, clamping voltage, and peak pulse current must fall within acceptable ranges for the application. All listed substitutes meet both package and electrical requirements.

Q: Is there inventory availability difference between substitute parts?

A: Yes. Inventory levels vary by manufacturer and part number. SMBJ13CA (MDD) shows the highest inventory at 20,461 pieces. SMBJ13CA-E3/5B (Vishay) has 6,223 pieces. Availability should be confirmed with suppliers for production requirements.

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