SMBJ6.0A-M3/5B Equivalent & Substitute Parts

Part Overview

The SMBJ6.0A-M3/5B is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This component operates as a 6V reverse standoff voltage device with a 10.3V maximum clamping voltage and 58.3A peak pulse current rating. It is designed for general-purpose transient voltage suppression in surface-mount applications using the DO-214AA (SMB) package. The part is Active status and RoHS3 compliant. Equivalent and substitute parts are identified based on matching electrical performance parameters and mechanical compatibility within the TVS diode category.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	6	V
Voltage - Breakdown (Min)	6.67	V
Voltage - Clamping (Max) @ Ipp	10.3	V
Current - Peak Pulse (10/1000µs)	58.3	A
Power - Peak Pulse	600	W
Operating Temperature Range	-55 to 150	°C (TJ)
Package / Case	DO-214AA, SMB	-
Mounting Type	Surface Mount	-
Type	Zener	-
Unidirectional Channels	1	-
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level (MSL)	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitute parts for the SMBJ6.0A-M3/5B are classified based on electrical parameter equivalence and mechanical compatibility. The primary substitution criteria are:

Critical Matching Parameters:

Voltage - Reverse Standoff (Typ): 6V
Voltage - Clamping (Max) @ Ipp: 10.3V (or within 10.2V–10.3V range)
Current - Peak Pulse (10/1000µs): 58.3A (or within 58.3A–58.9A range)
Power - Peak Pulse: 600W
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
Type: Zener, Unidirectional (1 channel)

Compliance Parameters:

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts are grouped into two categories:

Category 1: Direct Electrical Equivalents (Identical Electrical Performance) Parts with matching reverse standoff voltage (6V), clamping voltage (10.3V), and peak pulse current (58.3A) from different manufacturers or with different packaging options.

Category 2: Functional Equivalents with Minor Parameter Variance Parts with the same reverse standoff voltage (6V) but with clamping voltage or peak pulse current within acceptable tolerance ranges (10.2V–10.3V clamping, 58.3A–58.9A peak pulse).

Category 3: Manufacturer-Recommended Alternatives Parts designated as manufacturer-recommended substitutes that meet the 6V reverse standoff requirement but may have different clamping voltage or peak pulse current specifications.

Parameter Comparison

Part Number	Manufacturer	Vr (Typ) [V]	Vc (Max) @ Ipp [V]	Ipp (10/1000µs) [A]	Power [W]	Temp Range [°C]	Package	Packaging Type	RoHS	Inventory [Pcs]
SMBJ6.0A-M3/5B	Vishay	6	10.3	58.3	600	-55 to 150	DO-214AA, SMB	Tape & Reel (TR)	ROHS3	884
SMBJ6.0A-E3/52	Vishay	6	10.3	58.3	600	-55 to 150	DO-214AA, SMB	Cut Tape (CT) & Digi-Reel®	ROHS3	36800
SMBJ6.0D-M3/I	Vishay	6	10.2	58.9	600	-55 to 150	DO-214AA, SMB	Cut Tape (CT) & Digi-Reel®	ROHS3	56300
1SMB6.0A TR13 PBFREE	Central Semiconductor Corp	6	10.3	58.3	600	-65 to 150	DO-214AA, SMB	Tape & Reel (TR)	ROHS3	6870
SMBJ6.0A	EVVO Semi	6	10.3	58.3	600	-65 to 150	DO-214AA, SMB	Cut Tape (CT) & Digi-Reel®	ROHS3	198100
SMBJ6.0A-13-F	Diodes Incorporated	6	10.3	58.3	600	-55 to 150	DO-214AA, SMB	Tape & Reel (TR)	ROHS3	10037
SMBJ6V0A	Taiwan Semiconductor Corporation	6	10.3	58.3	600	-55 to 150	DO-214AA, SMB	Tape & Reel (TR)	ROHS3	6200
SACB6.0	Littelfuse Inc.	6	11.2	41	500	-55 to 150	DO-214AA, SMB	Tape & Reel (TR)	ROHS3	4451

Engineering Selection Recommendations

Direct Equivalents (Recommended for 1:1 Replacement)

SMBJ6.0A-E3/52, SMBJ6.0A-13-F, SMBJ6V0A, and SMBJ6.0A from EVVO Semi provide identical electrical specifications to the SMBJ6.0A-M3/5B with matching 6V reverse standoff, 10.3V clamping voltage, and 58.3A peak pulse current. All are RoHS3 compliant with MSL 1 rating. Selection among these parts depends on packaging availability (Tape & Reel vs. Cut Tape & Digi-Reel) and inventory requirements. SMBJ6.0A-E3/52 offers the highest inventory (36,800 pcs).

Functional Equivalent with Minor Variance

SMBJ6.0D-M3/I from Vishay maintains the 6V reverse standoff voltage but operates at 10.2V clamping voltage and 58.9A peak pulse current. These parameters fall within acceptable tolerance ranges for general-purpose transient suppression applications. This part is suitable where the slightly lower clamping voltage and higher peak pulse current are compatible with circuit requirements.

Extended Temperature Range Alternative

1SMB6.0A TR13 PBFREE from Central Semiconductor Corp and SMBJ6.0A from EVVO Semi both extend the operating temperature range to -65°C (compared to -55°C for the main part), providing enhanced performance in low-temperature environments while maintaining identical electrical specifications.

Manufacturer-Recommended Alternative

SACB6.0 from Littelfuse Inc. is designated as a manufacturer-recommended substitute. It maintains the 6V reverse standoff voltage but operates at 11.2V clamping voltage with 41A peak pulse current and 500W power rating. This part is suitable for applications where higher clamping voltage and lower peak pulse current are acceptable trade-offs.

All substitute parts are Active status and RoHS3 compliant, meeting regulatory requirements equivalent to the main part.

Frequently Asked Questions (FAQ)

Q: Can SMBJ6.0A-E3/52 replace SMBJ6.0A-M3/5B directly?

A: Yes. Both parts have identical electrical specifications (6V reverse standoff, 10.3V clamping, 58.3A peak pulse current) and the same DO-214AA SMB package. The difference is packaging format: SMBJ6.0A-E3/52 uses Cut Tape & Digi-Reel while SMBJ6.0A-M3/5B uses Tape & Reel. Electrical performance and mechanical fit are equivalent.

Q: What is the difference between SMBJ6.0D-M3/I and SMBJ6.0A-M3/5B?

A: Both maintain 6V reverse standoff voltage and 600W power rating. SMBJ6.0D-M3/I has a slightly lower clamping voltage (10.2V vs. 10.3V) and higher peak pulse current (58.9A vs. 58.3A). These differences are within normal manufacturing tolerances and do not affect general-purpose transient suppression applications.

Q: Is SACB6.0 a suitable replacement?

A: SACB6.0 maintains the 6V reverse standoff voltage but differs in clamping voltage (11.2V vs. 10.3V) and peak pulse current (41A vs. 58.3A). It is suitable only if your circuit design accommodates the higher clamping voltage and lower peak pulse current. Verify circuit requirements before substitution.

Q: What is the difference between Tape & Reel and Cut Tape & Digi-Reel packaging?

A: Both are surface-mount packaging formats for the same DO-214AA SMB component. Tape & Reel (TR) is continuous reel packaging for automated assembly. Cut Tape & Digi-Reel (CT) provides flexibility for smaller quantities or mixed component orders. Electrical and mechanical specifications are identical.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the compliance profile of SMBJ6.0A-M3/5B.

Q: Which substitute has the best inventory availability?

A: SMBJ6.0A from EVVO Semi has the highest inventory at 198,100 pcs, followed by SMBJ6.0D-M3/I from Vishay at 56,300 pcs. Both are direct or functional equivalents suitable for high-volume applications.

Q: Can I use parts with extended temperature range (-65°C to 150°C) instead of -55°C to 150°C?

A: Yes. Extended temperature range is a superset of the standard range. Parts rated -65°C to 150°C (1SMB6.0A TR13 PBFREE and SMBJ6.0A from EVVO Semi) are suitable replacements and provide enhanced performance in low-temperature environments.

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