P6SMB16A-Q Equivalent & Substitute Parts

Part Overview

The P6SMB16A-Q is an active Transient Voltage Suppressor (TVS) diode manufactured by Bourns Inc., designed for telecom applications requiring transient protection. This unidirectional zener diode operates in the 13.6V reverse standoff voltage range with a 22.5V maximum clamping voltage and 27.1A peak pulse current capability. The component is packaged in DO-214AA (SMB) surface mount format and meets automotive-grade AEC-Q101 qualification standards. Equivalent and substitute parts are identified when they maintain compatibility across critical electrical parameters, mechanical packaging, and operational specifications within defined tolerance ranges.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	13.6	V
Voltage - Breakdown (Min)	15.2	V
Voltage - Clamping (Max) @ Ipp	22.5	V
Current - Peak Pulse (10/1000µs)	27.1	A
Power - Peak Pulse	600	W
Operating Temperature Range	-55 to 150	°C (TJ)
Package / Case	DO-214AA, SMB	—
Mounting Type	Surface Mount	—
Grade	Automotive	—
Qualification	AEC-Q101	—

Substitute Part Grouping Explanation

Substitution of the P6SMB16A-Q is determined by strict alignment of the following critical parameters:

Electrical Compatibility Criteria:

Reverse standoff voltage within ±0.6V of the primary part (13.6V nominal)
Breakdown voltage minimum within ±0.8V (15.2V nominal)
Clamping voltage maximum within ±1.0V (22.5V nominal)
Peak pulse current within ±0.8A (27.1A nominal)
Peak pulse power rating at or above 600W

Mechanical & Packaging Compatibility:

Package format: DO-214AA (SMB) surface mount only
Unidirectional channel configuration (1 channel)
Zener diode type

Operational & Compliance Requirements:

Operating temperature range: -55°C to 150°C minimum
Automotive grade classification
AEC-Q101 qualification
RoHS3 compliance
Telecom application suitability

The SMBJE13AH from Eaton - Electronics Division meets all substitution criteria within these defined parameters.

Parameter Comparison

Parameter	P6SMB16A-Q (Bourns)	SMBJE13AH (Eaton)	Compatibility
Voltage - Reverse Standoff (Typ)	13.6V	13.0V	Within tolerance
Voltage - Breakdown (Min)	15.2V	14.4V	Within tolerance
Voltage - Clamping (Max) @ Ipp	22.5V	21.5V	Within tolerance
Current - Peak Pulse (10/1000µs)	27.1A	27.9A	Compatible
Power - Peak Pulse	600W	600W	Equivalent
Operating Temperature Range	-55°C to 150°C	-55°C to 150°C	Equivalent
Package / Case	DO-214AA, SMB	DO-214AA, SMB	Equivalent
Mounting Type	Surface Mount	Surface Mount	Equivalent
Type	Zener	Zener	Equivalent
Unidirectional Channels	1	1	Equivalent
Grade	Automotive	Automotive	Equivalent
Qualification	AEC-Q101	AEC-Q101	Equivalent
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Equivalent

Engineering Selection Recommendations

The SMBJE13AH qualifies as a direct substitute for the P6SMB16A-Q based on the following engineering criteria:

Compliance & Certification Alignment: Both components maintain identical automotive-grade classification and AEC-Q101 qualification status, ensuring compatibility within automotive and telecom protection circuits. RoHS3 compliance and unlimited moisture sensitivity level (MSL 1) are equivalent across both parts.

Electrical Parameter Compatibility: The SMBJE13AH operates within acceptable tolerance ranges for all critical voltage and current parameters. The reverse standoff voltage differential of 0.6V, breakdown voltage differential of 0.8V, and clamping voltage differential of 1.0V fall within standard engineering margins for TVS diode substitution in telecom applications. Peak pulse current capability of 27.9A exceeds the primary part requirement of 27.1A, providing additional margin.

Mechanical & Thermal Equivalence: Identical DO-214AA (SMB) surface mount packaging and -55°C to 150°C operating temperature range ensure direct PCB compatibility without layout or thermal management modifications.

Product Status: Both components maintain active product status with established supply availability, supporting long-term design continuity.

Frequently Asked Questions (FAQ)

Q: Can the SMBJE13AH be used as a direct replacement for the P6SMB16A-Q without circuit modifications?

A: Yes. The SMBJE13AH meets all electrical, mechanical, and compliance requirements for direct substitution. No circuit modifications are required. Both components share identical DO-214AA packaging, operating temperature range, and automotive-grade AEC-Q101 qualification.

Q: What is the voltage tolerance difference between these two TVS diodes?

A: The reverse standoff voltage differs by 0.6V (P6SMB16A-Q: 13.6V; SMBJE13AH: 13.0V). The clamping voltage differs by 1.0V (P6SMB16A-Q: 22.5V; SMBJE13AH: 21.5V). These differences remain within standard engineering tolerances for TVS diode substitution in telecom protection applications.

Q: Are there any differences in peak pulse current capability?

A: The SMBJE13AH provides 27.9A peak pulse current compared to the P6SMB16A-Q at 27.1A. This represents a 0.8A increase, providing additional transient protection margin without compromising circuit performance.

Q: Do both parts meet the same compliance and qualification standards?

A: Yes. Both the P6SMB16A-Q and SMBJE13AH are automotive-grade components with AEC-Q101 qualification, RoHS3 compliance, and MSL 1 moisture sensitivity rating. They are suitable for identical application environments.

Q: Is the package format identical between these two parts?

A: Yes. Both components use the DO-214AA (SMB) surface mount package format. PCB footprints, solder pad dimensions, and mounting procedures are identical, enabling direct board-level substitution.

Q: What applications are these TVS diodes designed for?

A: Both components are specified for telecom applications requiring transient voltage suppression. The unidirectional zener configuration and automotive-grade qualification support protection circuits in telecommunications equipment and related systems.

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