SMBJ26CE3/TR13 Transient Voltage Suppressor Diode Equivalent & Substitute Parts

Part Overview

The SMBJ26CE3/TR13 is an active status Transient Voltage Suppressor (TVS) diode manufactured by Microchip Technology. This surface mount component operates at 26V reverse standoff voltage with a 46.6V maximum clamping voltage and 12.4A peak pulse current capacity. The SMBJ26CE3/TR13 is supplied in Tape & Reel packaging (DO-214AA, SMB package). Finding functionally equivalent alternatives is necessary to support supply chain flexibility, design optimization for specific temperature ranges, and sourcing from multiple qualified manufacturers.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	26	V
Voltage - Breakdown (Min)	28.9	V
Voltage - Clamping (Max) @ Ipp	46.6	V
Current - Peak Pulse (10/1000µs)	12.4	A
Power - Peak Pulse	600	W
Operating Temperature	-65°C to 150°C	TJ
Mounting Type	Surface Mount	—
Package / Case	DO-214AA, SMB	—
Type	Zener	—
Bidirectional Channels	1	—
RoHS Status	ROHS3 Compliant	—
MSL	1 (Unlimited)	—

Substitute Part Grouping Explanation

Electrical substitution compatibility for the SMBJ26CE3/TR13 is determined by the following critical parameters:

Mandatory electrical compatibility criteria:

Voltage - Reverse Standoff (Typ): 26V
Voltage - Breakdown (Min): 28.9V (minimum threshold)
Package Type: DO-214AA / SMB (surface mount form factor)
Bidirectional Channels: 1
Type: Zener diode
Power - Peak Pulse: 600W

Voltage - Clamping (Max) and Current - Peak Pulse are allowable to vary within discrete ranges as they affect component performance characteristics rather than basic substitutability. Substitute parts with clamping voltages between 42.1V and 46.6V and peak pulse currents between 12.4A and 14.9A remain electrically compatible within the SMBJ26 family parameters.

All identified substitute parts maintain DO-214AA (SMB) package standardization, ROHS3 compliance, MSL 1 classification, and are manufactured by qualified industry suppliers (EVVO Semi, Diodes Incorporated, Micro Commercial Co, STMicroelectronics, Littelfuse Inc., Comchip Technology).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Voltage - Reverse Standoff (Typ)	Voltage - Breakdown (Min)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Power - Peak Pulse	Operating Temperature	Package / Case	Packaging	RoHS Status
SMBJ26CE3/TR13	Microchip Technology	26V	28.9V	46.6V	12.4A	600W	-65°C ~ 150°C	DO-214AA, SMB	Tape & Reel (TR)	ROHS3 Compliant
SMBJ26CA	EVVO Semi	26V	28.9V	42.1V	14.3A	600W	-65°C ~ 150°C	DO-214AA, SMB	Cut Tape (CT) & Digi-Reel®	ROHS3 Compliant
SMBJ26CA-13-F	Diodes Incorporated	26V	28.9V	42.1V	14.2A	600W	-55°C ~ 150°C	DO-214AA, SMB	Tape & Reel (TR)	ROHS3 Compliant
SMBJ26CA-TP	Micro Commercial Co	26V	28.9V	42.1V	14.2A	600W	-55°C ~ 175°C	DO-214AA, SMB	Tape & Reel (TR)	ROHS3 Compliant
SMBJ26CA-TR	STMicroelectronics	26V	28.9V	42.1V	14.9A	600W	-55°C ~ 150°C	DO-214AA, SMB	Cut Tape (CT) & Digi-Reel®	ROHS3 Compliant
SZ1SMB26CAT3G	Littelfuse Inc.	26V	28.9V	42.1V	14.2A	600W	-65°C ~ 150°C	DO-214AA, SMB	Tape & Reel (TR)	ROHS3 Compliant
TV06B260JB-G	Comchip Technology	26V	28.9V	42.1V	14.25A	600W	Not specified	DO-214AA, SMB	Tape & Reel (TR)	ROHS3 Compliant

Engineering Selection Recommendations

All substitute parts listed meet ROHS3 compliance and MSL 1 specifications, establishing baseline qualification parity with the primary SMBJ26CE3/TR13 device.

Temperature Range Consideration: The SMBJ26CE3/TR13 operates across -65°C to 150°C. Alternatives SMBJ26CA (EVVO Semi) and SZ1SMB26CAT3G (Littelfuse Inc.) maintain this identical temperature specification. Diodes Incorporated SMBJ26CA-13-F, STMicroelectronics SMBJ26CA-TR, and Micro Commercial Co SMBJ26CA-TP support -55°C minimum, which narrows the lower temperature operating window by 10°C. Selection of these alternatives is appropriate for applications within the -55°C to 150°C operating envelope.

Packaging Format: The SMBJ26CE3/TR13 is supplied in Tape & Reel format. Substitute parts from EVVO Semi (SMBJ26CA) and STMicroelectronics (SMBJ26CA-TR) are available in Cut Tape & Digi-Reel® format, which presents different handling and storage logistics. Littelfuse Inc. SZ1SMB26CAT3G, Diodes Incorporated SMBJ26CA-13-F, Micro Commercial Co SMBJ26CA-TP, and Comchip Technology TV06B260JB-G are supplied in Tape & Reel format, maintaining packaging consistency with the original specification.

Automotive Grade: SZ1SMB26CAT3G (Littelfuse Inc.) carries automotive grade designation and AEC-Q101 qualification, suitable for automotive applications requiring enhanced reliability standards.

Voltage Clamping Performance: The original SMBJ26CE3/TR13 exhibits 46.6V maximum clamping, while all substitutes cluster at 42.1V. This 4.5V differential represents lower voltage stress presentation during transient events. This performance improvement is compatible with circuits designed to accommodate the original specification.

Frequently Asked Questions (FAQ)

Q: Can SMBJ26CA from EVVO Semi directly replace SMBJ26CE3/TR13?

A: SMBJ26CA maintains identical reverse standoff voltage (26V), breakdown voltage (28.9V), power rating (600W), operating temperature range (-65°C to 150°C), and package type (DO-214AA, SMB). Electrical substitution is compatible. Packaging differs (Cut Tape & Digi-Reel® versus Tape & Reel), which affects procurement and assembly logistics.

Q: Why do substitute parts show lower clamping voltages (42.1V versus 46.6V)?

A: Voltage clamping variation within the SMBJ26 family reflects manufacturing tolerance and thermal design differences across suppliers. The 42.1V clamping values from substitute parts represent acceptable performance within the defined SMBJ26 electrical family. Lower clamping voltage decreases transient voltage stress on protected circuits.

Q: Is SMBJ26CA-TP suitable for high-temperature applications?

A: SMBJ26CA-TP (Micro Commercial Co) supports operating temperatures to 175°C junction temperature, extending the upper thermal envelope by 25°C compared to the original SMBJ26CE3/TR13 specification (-55°C to 175°C operating range). Application suitability depends on circuit maximum operating temperature requirement.

Q: Do all substitute parts meet RoHS compliance?

A: All identified substitute parts carry ROHS3 compliance designation, establishing environmental and material restriction parity with SMBJ26CE3/TR13.

Q: What are the sourcing advantages of multiple suppliers?

A: Seven distinct part numbers from six manufacturers (Microchip Technology, EVVO Semi, Diodes Incorporated, Micro Commercial Co, STMicroelectronics, Littelfuse Inc., Comchip Technology) provide supply chain redundancy. Alternative sourcing prevents single-source dependency and supports cost optimization across manufacturing regions.

Q: Are there differences in peak pulse current ratings?

A: Peak pulse current specifications range from 12.4A (SMBJ26CE3/TR13) to 14.9A (SMBJ26CA-TR from STMicroelectronics). Higher current ratings provide additional transient handling margin. All values fall within acceptable SMBJ26 family parameters for general-purpose transient voltage suppression applications.

Q: Does packaging format affect electrical performance?

A: Packaging format (Tape & Reel versus Cut Tape & Digi-Reel®) is a supply chain and manufacturing handling consideration only. Electrical performance characteristics remain equivalent across all identified substitutes. Selection is driven by assembly line equipment compatibility and inventory management requirements.

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