P6SMB130AT3 Equivalent & Substitute Parts

Part Overview

The P6SMB130AT3 is a transient voltage suppressor (TVS) diode manufactured by onsemi, designed for surface mount applications in the DO-214AA (SMB) package. This unidirectional Zener diode provides transient voltage protection with a reverse standoff voltage of 111V and clamping voltage of 179V at peak pulse current. The part is currently obsolete, making equivalent and substitute parts necessary for ongoing design support and production requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	P6SMB130AT3
Manufacturer	onsemi
Category	Transient Voltage Suppressors (TVS)
Type	Zener
Package / Case	DO-214AA, SMB
Voltage - Reverse Standoff (Typ)	111V
Voltage - Breakdown (Min)	124V
Voltage - Clamping (Max) @ Ipp	179V
Current - Peak Pulse (10/1000µs)	3.3A
Power - Peak Pulse	600W
Operating Temperature	-65°C ~ 150°C (TJ)
Product Status	Obsolete
Grade	Automotive
Qualification	AEC-Q101
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution for the P6SMB130AT3 is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Voltage - Reverse Standoff (Typ): 111V ±tolerance
Voltage - Clamping (Max) @ Ipp: 179V ±tolerance
Current - Peak Pulse (10/1000µs): 3.3A minimum
Power - Peak Pulse: 600W minimum
Package / Case: DO-214AA or SMB equivalent
Mounting Type: Surface Mount
Unidirectional Channels: 1

Substitute parts are classified into two categories:

Direct Equivalents: Parts with identical or near-identical electrical specifications (111V standoff, 179V clamping, 3.3A+ peak pulse current, 600W power rating) in the same SMB/DO-214AA package.

Similar Alternatives: Parts with comparable voltage ratings and clamping characteristics but with variations in peak pulse current or standoff voltage within acceptable operating ranges for transient suppression applications.

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff (Typ)	Voltage - Breakdown (Min)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Power - Peak Pulse	Package / Case	Product Status	RoHS Status
P6SMB130AT3	onsemi	111V	124V	179V	3.3A	600W	DO-214AA, SMB	Obsolete	RoHS non-compliant
P6SMB130A	Eaton - Electronics Division	111V	124V	179V	3.4A	600W	DO-214AA, SMB	Active	RoHS Compliant
1KSMB130A	Littelfuse Inc.	111V	124V	179V	5.6A	1000W	DO-214AA, SMB	Active	ROHS3 Compliant
SMBJ100E3/TR13	Microchip Technology	100V	111V	179V	3.4A	600W	DO-214AA, SMB	Active	ROHS3 Compliant
SMBJ110A	MDD	110V	122V	177V	3.4A	600W	DO-214AA, SMB	Active	ROHS3 Compliant
SMBJ130A	MDD	130V	144V	209V	2.9A	600W	DO-214AA, SMB	Active	ROHS3 Compliant
SMBJP6KE130A-TP	Micro Commercial Co	111V	124V	179V	3.4A	600W	DO-214AA, SMB	Active	Not specified
TVP06B131A-G	Comchip Technology	111V	124.6V	179V	3.35A	600W	DO-214AA, SMB	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Replacement (Highest Compatibility):

P6SMB130A (Eaton - Electronics Division) is the primary direct equivalent. It maintains identical voltage specifications (111V standoff, 179V clamping) with marginally higher peak pulse current (3.4A vs 3.3A) and equivalent 600W power rating. The part is active in production and RoHS Compliant, addressing the obsolescence and compliance limitations of the original P6SMB130AT3.

SMBJP6KE130A-TP (Micro Commercial Co) and TVP06B131A-G (Comchip Technology) provide additional direct equivalents with matching electrical parameters and active product status. TVP06B131A-G offers ROHS3 Compliance and tighter breakdown voltage specification (124.6V vs 124V).

Enhanced Performance Alternative:

1KSMB130A (Littelfuse Inc.) maintains the same voltage ratings but provides increased peak pulse current (5.6A) and power dissipation (1000W). This part is suitable for applications requiring higher transient energy absorption while maintaining the same clamping voltage. ROHS3 Compliant and active in production.

Voltage-Variant Alternatives:

SMBJ110A (MDD) offers a 110V standoff voltage with 177V clamping, suitable for applications where slightly lower voltage protection is acceptable. SMBJ100E3/TR13 (Microchip Technology) provides 100V standoff protection with identical clamping voltage, appropriate for lower voltage circuit protection. SMBJ130A (MDD) operates at 130V standoff with 209V clamping, for higher voltage protection requirements.

All recommended substitutes are available in active production status with RoHS compliance certifications, eliminating the obsolescence and regulatory constraints of the original part.

Frequently Asked Questions (FAQ)

Q: Can P6SMB130A directly replace P6SMB130AT3 in existing designs?

A: Yes. P6SMB130A maintains identical reverse standoff voltage (111V) and clamping voltage (179V) specifications. The 0.1A increase in peak pulse current (3.4A vs 3.3A) is within acceptable tolerance for transient suppression applications. Both parts use the DO-214AA (SMB) package with identical pinout and mounting requirements.

Q: What is the difference between direct equivalents and similar alternatives?

A: Direct equivalents (P6SMB130A, SMBJP6KE130A-TP, TVP06B131A-G) maintain the same 111V standoff and 179V clamping voltages as the original part. Similar alternatives (SMBJ110A, SMBJ100E3/TR13, SMBJ130A, 1KSMB130A) have different voltage ratings or current ratings but operate within the same package and functional category. Selection depends on specific circuit voltage protection requirements.

Q: Is RoHS compliance a factor in substitution?

A: The original P6SMB130AT3 is RoHS non-compliant. Most active substitutes (P6SMB130A, 1KSMB130A, SMBJ100E3/TR13, SMBJ110A, SMBJ130A, TVP06B131A-G) are RoHS Compliant or ROHS3 Compliant. For applications subject to RoHS regulations, compliant substitutes are required.

Q: Can 1KSMB130A be used instead of P6SMB130A?

A: Yes, with design consideration. 1KSMB130A provides identical voltage specifications (111V standoff, 179V clamping) but with higher peak pulse current (5.6A) and power dissipation (1000W vs 600W). This represents enhanced transient protection capability and is suitable for applications requiring higher energy absorption. The DO-214AA package is identical.

Q: What are the package compatibility requirements?

A: All listed substitutes use the DO-214AA (SMB) surface mount package with identical pinout and land pattern. No PCB layout modifications are required for mechanical compatibility. Verify mounting equipment compatibility with the specific supplier device package designation (SMB or SMBJ variant).

Q: How do voltage ratings affect circuit protection?

A: The reverse standoff voltage (111V for the original part) determines the normal operating voltage threshold. The clamping voltage (179V) is the maximum voltage the diode allows during transient events. Substitutes with lower standoff voltages (100V, 110V) provide protection at lower thresholds; higher standoff voltages (130V) protect higher voltage circuits. Select based on your circuit's nominal and transient voltage requirements.

Q: Are there automotive-grade alternatives to the AEC-Q101 qualified original part?

A: The original P6SMB130AT3 carries automotive qualification (AEC-Q101). Among active substitutes, specific automotive qualification status is not provided in the available data. For automotive applications requiring AEC-Q101 certification, verify qualification status directly with the substitute manufacturer before design implementation.

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