SMBJ26CA-M3/52 Equivalent & Substitute Parts

Part Overview

The SMBJ26CA-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 status and RoHS3 compliant. Equivalent and substitute parts are identified based on matching electrical characteristics and package compatibility to ensure functional interchangeability in circuit protection applications.

Key Parameters

Parameter	Value
Voltage - Reverse Standoff (Typ)	26V
Voltage - Breakdown (Min)	28.9V
Voltage - Clamping (Max) @ Ipp	42.1V
Current - Peak Pulse (10/1000µs)	14.3A
Power - Peak Pulse	600W
Package / Case	DO-214AA, SMB
Mounting Type	Surface Mount
Operating Temperature Range	-55°C ~ 150°C (TJ)
RoHS Status	RoHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SMBJ26CA-M3/52 are classified based on the following substitution criteria:

Primary Substitution Criteria:

Voltage - Reverse Standoff (Typ): 26V
Voltage - Clamping (Max) @ Ipp: 42.1V (±0.5V tolerance acceptable)
Current - Peak Pulse: 14.2A to 14.9A range
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
Power - Peak Pulse: 600W
Type: Zener, Bidirectional
RoHS3 Compliance

Substitute Categories:

Category 1: Identical Electrical Specifications (Vishay TransZorb® Series)

SMBJ26CA-E3/5B: Exact electrical match, alternative tape reel configuration
SMBJ26CA-E3/52: Manufacturer recommended equivalent, highest inventory availability

Category 2: Comparable Electrical Specifications (±1% Tolerance)

SMBJ26CD-M3/H: Clamping voltage 41.6V, peak current 14.5A, functionally equivalent

Category 3: Cross-Manufacturer Equivalents (Identical Specifications)

SMBJ26CA (EVVO Semi): Identical electrical parameters, alternative supplier
SMBJ26CA-13-F (Diodes Incorporated): Peak current 14.2A, manufacturer recommended
SMBJ26CA-TP (Micro Commercial Co): Peak current 14.2A, extended temperature range to 175°C
SMBJ26CA-TR (STMicroelectronics): Peak current 14.9A, TRANSIL™ series

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff (Typ)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Power - Peak Pulse	Operating Temperature	Package	RoHS Status
SMBJ26CA-M3/52	Vishay	26V	42.1V	14.3A	600W	-55°C ~ 150°C	DO-214AA, SMB	RoHS3
SMBJ26CA-E3/5B	Vishay	26V	42.1V	14.3A	600W	-55°C ~ 150°C	DO-214AA, SMB	RoHS3
SMBJ26CA-E3/52	Vishay	26V	42.1V	14.3A	600W	-55°C ~ 150°C	DO-214AA, SMB	RoHS3
SMBJ26CD-M3/H	Vishay	26V	41.6V	14.5A	600W	-55°C ~ 150°C	DO-214AA, SMB	RoHS3
SMBJ26CA	EVVO Semi	26V	42.1V	14.3A	600W	-65°C ~ 150°C	DO-214AA, SMB	RoHS3
SMBJ26CA-13-F	Diodes Incorporated	26V	42.1V	14.2A	600W	-55°C ~ 150°C	DO-214AA, SMB	RoHS3
SMBJ26CA-TP	Micro Commercial Co	26V	42.1V	14.2A	600W	-55°C ~ 175°C	DO-214AA, SMB	RoHS3
SMBJ26CA-TR	STMicroelectronics	26V	42.1V	14.9A	600W	-55°C ~ 150°C	DO-214AA, SMB	RoHS3

Engineering Selection Recommendations

Preferred Substitutes (Identical Specifications):

SMBJ26CA-E3/52 is the manufacturer-recommended equivalent with the highest inventory availability (101,200 pcs). This part maintains identical electrical characteristics and operating parameters to the SMBJ26CA-M3/52, differing only in tape reel configuration. Selection of this part eliminates supply chain risk while maintaining full functional compatibility.

SMBJ26CA-E3/5B provides identical electrical specifications with alternative packaging (3,369 pcs available). Both Vishay parts carry Active product status and RoHS3 compliance.

Cross-Manufacturer Alternatives:

SMBJ26CA-13-F (Diodes Incorporated) and SMBJ26CA-TP (Micro Commercial Co) are manufacturer-recommended equivalents with peak pulse currents of 14.2A, within the acceptable tolerance band. Both maintain 26V standoff voltage and 42.1V clamping voltage. SMBJ26CA-TP offers extended operating temperature to 175°C, suitable for high-temperature applications.

SMBJ26CA-TR (STMicroelectronics) provides peak pulse current of 14.9A with identical clamping voltage, offering enhanced transient handling capability within the same 600W power rating.

SMBJ26CA (EVVO Semi) matches all electrical specifications with extended lower temperature rating (-65°C minimum), available in higher volume (55,200 pcs).

Comparable Alternative:

SMBJ26CD-M3/H (Vishay) operates at 41.6V clamping voltage with 14.5A peak current. This part maintains functional equivalence within the 26V standoff voltage class and is suitable where minor clamping voltage variation is acceptable. Inventory availability is substantial (12,071 pcs).

All substitute parts maintain RoHS3 compliance, MSL Level 1 rating, and Active product status.

Frequently Asked Questions (FAQ)

Q: Can SMBJ26CA-E3/52 be used as a direct replacement for SMBJ26CA-M3/52?

A: Yes. Both parts are manufactured by Vishay with identical electrical specifications: 26V standoff voltage, 42.1V clamping voltage, 14.3A peak pulse current, and 600W power rating. The difference is packaging configuration (tape reel variant). Both are RoHS3 compliant and rated for -55°C to 150°C operation.

Q: What is the difference between SMBJ26CA and SMBJ26CD variants?

A: The SMBJ26CA maintains 42.1V clamping voltage with 14.3A peak current. The SMBJ26CD operates at 41.6V clamping voltage with 14.5A peak current. Both share the 26V standoff voltage and 600W power rating. Selection depends on circuit requirements for clamping voltage precision.

Q: Are cross-manufacturer parts (Diodes Inc., STMicroelectronics, Micro Commercial Co) fully compatible?

A: Yes, within specified electrical parameters. SMBJ26CA-13-F, SMBJ26CA-TP, and SMBJ26CA-TR all maintain 26V standoff voltage and 42.1V clamping voltage. Peak pulse currents range from 14.2A to 14.9A, all within acceptable tolerance for general-purpose transient suppression. Package and mounting type (DO-214AA, SMB, surface mount) are identical.

Q: Does operating temperature range affect substitution compatibility?

A: Operating temperature range does not prevent substitution but should be evaluated against application requirements. SMBJ26CA-TP extends to 175°C (versus 150°C standard), suitable for high-temperature environments. SMBJ26CA (EVVO Semi) extends to -65°C minimum, suitable for low-temperature applications. Standard parts operate -55°C to 150°C.

Q: What is the significance of tape reel configuration (E3/5B vs. E3/52)?

A: Tape reel configuration affects packaging and supply chain logistics but does not impact electrical performance or circuit functionality. Both SMBJ26CA-E3/5B and SMBJ26CA-E3/52 are electrically identical. Selection is based on procurement requirements and equipment compatibility.

Q: Can SMBJ26CD-M3/H be used where SMBJ26CA-M3/52 is specified?

A: SMBJ26CD-M3/H is functionally equivalent for general-purpose transient suppression applications. The 0.5V difference in clamping voltage (41.6V vs. 42.1V) and 0.2A difference in peak current (14.5A vs. 14.3A) fall within acceptable tolerance for most circuit designs. Application-specific voltage regulation requirements should be verified.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry RoHS3 compliance certification and MSL Level 1 (Unlimited) moisture sensitivity rating, matching the original SMBJ26CA-M3/52 specifications.

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