SMCJ26CE3/TR13 Equivalent & Substitute Parts

Part Overview

The SMCJ26CE3/TR13 is a bidirectional transient voltage suppressor (TVS) diode manufactured by Microchip Technology, designed for general-purpose overvoltage protection in surface-mount applications. This component operates with a 26V reverse standoff voltage and provides 46.6V maximum clamping voltage at peak pulse current of 32.2A, delivering 1500W peak pulse power dissipation. The device is housed in a DO-214AB (SMC) package and is RoHS3 compliant with unlimited moisture sensitivity rating.

Substitute parts are necessary when the original manufacturer part becomes unavailable, when alternative sourcing improves lead times or cost efficiency, or when design requirements allow for equivalent electrical performance from alternative manufacturers. All substitute parts listed maintain compatibility with the original electrical specifications and package requirements.

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)	32.2	A
Power - Peak Pulse	1500	W
Bidirectional Channels	1	—
Type	Zener	—
Package / Case	DO-214AB, SMC	—
Mounting Type	Surface Mount	—
Operating Temperature Range	-65°C to 150°C	TJ
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the SMCJ26CE3/TR13 is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Voltage - Reverse Standoff (Typ): 26V
Voltage - Breakdown (Min): 28.9V
Bidirectional Channels: 1
Type: Zener
Package / Case: DO-214AB, SMC
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation Parameters:

Voltage - Clamping (Max) @ Ipp: Substitute parts may have lower clamping voltage (42.1V is acceptable as it provides superior protection margin)
Current - Peak Pulse (10/1000µs): Substitute parts may have equal or higher peak pulse current rating
Power - Peak Pulse: Substitute parts may have equal or higher power dissipation rating
Operating Temperature Range: Substitute parts may have equal or extended temperature range

All substitute parts listed maintain the same 26V standoff voltage, 28.9V minimum breakdown voltage, and DO-214AB SMC package configuration. Variations in clamping voltage, peak pulse current, and power dissipation represent enhanced or equivalent performance characteristics suitable for direct replacement.

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 Range (°C)	Packaging
SMCJ26CE3/TR13	Microchip Technology	26	28.9	46.6	32.2	1500	-65 to 150	Tape & Reel
5.0SMDJ26CA	MDE Semiconductor Inc	26	28.9	42.1	119	5000	-55 to 150	Tape & Reel
SMCJ26CA	EVVO Semi	26	28.9	42.1	35.7	1500	-55 to 150	Cut Tape & Digi-Reel
SMCJ26CA-13-F	Diodes Incorporated	26	28.9	42.1	35.6	1500	-55 to 150	Tape & Reel
SMCJ26CA-TP	Micro Commercial Co	26	28.9	42.1	35.7	1500	-55 to 175	Tape & Reel
SMDJ26CA	Alpha & Omega Semiconductor Inc.	26	28.9	42.1	71.3	3000	-55 to 150	Tape & Reel
SMDJ26CA-T7	Littelfuse Inc.	26	28.9	42.1	71.3	3000	-65 to 150	Tape & Reel
SMLJ26CA	Bourns Inc.	26	28.9	42.1	71.2	3000	-55 to 150	Tape & Reel
SMLJ26CA-TP	Micro Commercial Co	26	28.9	42.1	71.2	3000	-55 to 175	Tape & Reel

Engineering Selection Recommendations

All substitute parts listed are active products with RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1), matching the regulatory and environmental requirements of the original SMCJ26CE3/TR13.

Direct Electrical Equivalents (1500W Power Rating): SMCJ26CA (EVVO Semi), SMCJ26CA-13-F (Diodes Incorporated), and SMCJ26CA-TP (Micro Commercial Co) provide equivalent 1500W peak pulse power dissipation with matching 26V standoff voltage and 28.9V breakdown voltage. These parts are suitable for applications where the original 32.2A peak pulse current specification is sufficient. SMCJ26CA-TP extends the operating temperature range to 175°C, providing enhanced thermal performance for high-temperature environments.

Enhanced Performance Substitutes (3000W Power Rating): SMDJ26CA (Alpha & Omega Semiconductor Inc.), SMDJ26CA-T7 (Littelfuse Inc.), SMLJ26CA (Bourns Inc.), and SMLJ26CA-TP (Micro Commercial Co) deliver doubled power dissipation at 3000W with peak pulse currents between 71.2A and 71.3A. These parts maintain the same voltage specifications and are suitable for applications requiring higher transient energy absorption. SMDJ26CA-T7 and SMLJ26CA-TP support extended operating temperature ranges (-65°C to 150°C and -55°C to 175°C respectively).

High-Current Substitute (5000W Power Rating): 5.0SMDJ26CA (MDE Semiconductor Inc) provides the highest power dissipation at 5000W with 119A peak pulse current, suitable for demanding applications requiring maximum transient protection capability while maintaining the 26V standoff voltage specification.

All substitute parts are available in Tape & Reel packaging compatible with automated assembly processes. Selection should be based on application power dissipation requirements, operating temperature constraints, and sourcing availability.

Frequently Asked Questions (FAQ)

Q: Can SMCJ26CA substitute for SMCJ26CE3/TR13 in all applications?

A: Yes. SMCJ26CA maintains identical voltage specifications (26V standoff, 28.9V breakdown) and equivalent 1500W power dissipation. The lower clamping voltage of 42.1V versus 46.6V provides superior protection margin. Packaging compatibility is confirmed for DO-214AB SMC surface-mount applications.

Q: What is the difference between SMCJ and SMDJ series parts?

A: SMDJ series parts deliver 3000W peak pulse power dissipation compared to 1500W for SMCJ series, with correspondingly higher peak pulse current ratings (approximately 71A versus 32-36A). Both series maintain identical voltage specifications and package configuration. Selection depends on application transient energy requirements.

Q: Are SMCJ26CA-TP and SMLJ26CA-TP suitable for high-temperature applications?

A: Yes. Both parts support extended operating temperature ranges to 175°C (compared to 150°C for most alternatives), making them suitable for high-temperature environments. SMCJ26CA-TP provides 1500W power dissipation, while SMLJ26CA-TP provides 3000W power dissipation at elevated temperatures.

Q: Does packaging format affect substitution compatibility?

A: All substitute parts use DO-214AB SMC package configuration compatible with the original SMCJ26CE3/TR13. Packaging format variations (Tape & Reel versus Cut Tape & Digi-Reel) affect supply chain logistics but do not impact electrical or mechanical compatibility. Verify reel specifications with your procurement process.

Q: Can higher-rated parts (SMDJ26CA, SMLJ26CA) be used as direct replacements?

A: Yes. Higher power-rated parts (3000W and 5000W) are direct replacements for 1500W applications. Enhanced current and power ratings provide superior transient protection without affecting circuit operation. No design modifications are required.

Q: What compliance certifications apply to all substitute parts?

A: All substitute parts are RoHS3 compliant with MSL 1 (unlimited moisture sensitivity), matching the original part's regulatory status. REACH compliance varies by manufacturer; verify specific REACH status with your supplier for regulatory documentation requirements.

Q: Is the SMDJ26CA-T7 suitable for applications requiring -65°C minimum operating temperature?

A: Yes. SMDJ26CA-T7 supports -65°C to 150°C operating temperature range, matching the original SMCJ26CE3/TR13 temperature specification. This part is suitable for military and aerospace applications requiring extended low-temperature performance.

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