P6SMBJ10C Equivalent & Substitute Parts

Part Overview

The P6SMBJ10C is a bidirectional transient voltage suppressor (TVS) diode manufactured by Littelfuse Inc., housed in a DO-214AA (SMB) surface mount package. This component is designed for general-purpose transient voltage suppression applications with a reverse standoff voltage of 8.55V and peak pulse power rating of 600W. The part is currently listed as obsolete, making equivalent substitutes necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	P6SMBJ10C
Manufacturer	Littelfuse Inc.
Category	Transient Voltage Suppressors (TVS)
Type	Zener
Package / Case	DO-214AA, SMB
Voltage - Reverse Standoff (Typ)	8.55V
Voltage - Breakdown (Min)	9V
Voltage - Clamping (Max) @ Ipp	15.23V
Current - Peak Pulse (10/1000µs)	42.1A
Power - Peak Pulse	600W
Operating Temperature Range	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the P6SMBJ10C is determined by the following critical electrical and mechanical parameters:

Electrical Compatibility Criteria:

Reverse standoff voltage (Typ): 8.5V to 8.55V
Breakdown voltage (Min): 9V to 9.5V
Clamping voltage (Max) @ Ipp: 14.4V to 18.6V
Peak pulse current: 41A to 215A (10/1000µs or 8/20µs)
Power dissipation: 600W
Bidirectional channels: 1

Mechanical Compatibility Criteria:

Package: DO-214AA (SMB) surface mount
Mounting type: Surface mount
Moisture sensitivity: MSL 1 (Unlimited)

Compliance Requirements:

RoHS3 compliance preferred
Operating temperature range: -55°C to 150°C minimum

Substitute parts are grouped into two categories based on clamping voltage performance: standard clamping (14.4V–14.5V) and higher clamping (18.6V–19.5V) variants. Both categories maintain electrical compatibility within the specified parameter ranges.

Parameter Comparison

Part Number	Manufacturer	Reverse Standoff (Typ)	Breakdown (Min)	Clamping (Max) @ Ipp	Peak Pulse Current	Power - Peak Pulse	Operating Temp	Package	Product Status	RoHS Status
P6SMBJ10C	Littelfuse Inc.	8.55V	9V	15.23V	42.1A	600W	-55°C ~ 150°C	DO-214AA (SMB)	Obsolete	ROHS3
P6SMB10CA	Eaton - Electronics Division	8.55V	9.5V	14.5V	42.1A	600W	-55°C ~ 150°C	DO-214AA (SMB)	Active	RoHS
SM6T10CA	STMicroelectronics	8.55V	9.5V	18.6V	215A (8/20µs)	600W	-55°C ~ 150°C	DO-214AA (SMB)	Active	ROHS3
SM6T10CA-E3/52	Vishay General Semiconductor - Diodes Division	8.55V	9.5V	14.5V	41A	600W	-65°C ~ 150°C	DO-214AA (SMB)	Active	ROHS3
SM6T10CA-E3/5B	Vishay General Semiconductor - Diodes Division	8.55V	9.5V	14.5V	41A	600W	-65°C ~ 150°C	DO-214AA (SMB)	Active	ROHS3
SM6T10CAY	STMicroelectronics	8.55V	9.5V	18.6V	215A (8/20µs)	600W	-55°C ~ 150°C	DO-214AA (SMB)	Active	ROHS3
SMBJ8.5CA	EVVO Semi	8.5V	9.44V	14.4V	41.7A	600W	-65°C ~ 150°C	DO-214AA (SMB)	Active	ROHS3
SMBJ8.5CA-E3/5B	Vishay General Semiconductor - Diodes Division	8.5V	9.44V	14.4V	41.7A	600W	-55°C ~ 150°C	DO-214AA (SMB)	Active	ROHS3
SMBJ8.5CA-TR	STMicroelectronics	8.5V	9.4V	19.5V	41.7A	600W	-55°C ~ 150°C	DO-214AA (SMB)	Active	ROHS3
SMBJ8V5CA	Fairchild Semiconductor	8.5V	9.44V	14.4V	41.7A	600W	-55°C ~ 150°C	DO-214AA (SMB)	Active	Not specified
SMBJP6KE10CA-TP	Micro Commercial Co	8.55V	9.5V	14.5V	42.1A	600W	-55°C ~ 175°C	DO-214AA (SMB)	Active	ROHS3

Engineering Selection Recommendations

Primary Substitutes (Closest Electrical Match):

P6SMB10CA (Eaton) and SMBJP6KE10CA-TP (Micro Commercial Co) provide the most direct substitution. Both maintain identical reverse standoff voltage (8.55V), peak pulse current (42.1A), and clamping voltage (14.5V) specifications. Both are active products with ROHS3 compliance. SMBJP6KE10CA-TP offers extended operating temperature range to 175°C.

Secondary Substitutes (Equivalent Performance):

SM6T10CA-E3/52 and SM6T10CA-E3/5B (Vishay) are functionally equivalent with identical electrical parameters to P6SMB10CA. Both support extended lower temperature operation (-65°C). SMBJ8.5CA variants (EVVO Semi, Vishay, Fairchild) and SMBJ8.5CA-TR (STMicroelectronics) provide compatible substitution with minor voltage variations (8.5V standoff vs. 8.55V) and clamping voltages between 14.4V and 19.5V.

Higher Performance Alternatives:

SM6T10CA and SM6T10CAY (STMicroelectronics) offer significantly higher peak pulse current capability (215A at 8/20µs) with 18.6V clamping voltage, suitable for applications requiring enhanced transient suppression performance while maintaining 600W power dissipation and DO-214AA package compatibility.

Compliance Considerations:

All recommended substitutes are active products with ROHS3 compliance. Selection should prioritize parts with confirmed RoHS certification status for regulated applications. Temperature range requirements should be evaluated against application specifications, particularly for extended low-temperature operation where Vishay variants (-65°C minimum) provide additional margin.

Frequently Asked Questions (FAQ)

Q: Can I directly replace P6SMBJ10C with any of the listed substitutes?

A: Direct replacement is possible for parts maintaining the same reverse standoff voltage (8.55V) and clamping voltage range (14.5V ±1V). P6SMB10CA and SMBJP6KE10CA-TP are direct equivalents. Parts with 8.5V standoff or different clamping voltages (14.4V, 18.6V, 19.5V) are functionally compatible but require circuit validation to confirm performance within application tolerances.

Q: What is the difference between the standard clamping variants (14.4V–14.5V) and higher clamping variants (18.6V–19.5V)?

A: Clamping voltage determines the maximum voltage transient suppression level. Lower clamping voltages (14.4V–14.5V) provide tighter voltage regulation suitable for sensitive circuits. Higher clamping voltages (18.6V–19.5V) allow greater transient voltage before suppression, beneficial for applications with higher voltage tolerance. Selection depends on protected circuit requirements.

Q: Are all substitutes available in the same DO-214AA (SMB) package?

A: Yes, all listed substitutes use DO-214AA (SMB) surface mount package, ensuring mechanical and footprint compatibility. Packaging formats vary (Tape & Reel, Cut Tape, Bulk) but do not affect component functionality or PCB mounting.

Q: Why is the P6SMBJ10C listed as obsolete?

A: Obsolescence indicates the part is no longer manufactured by Littelfuse Inc. Active substitutes from other manufacturers provide equivalent or superior performance and are recommended for new designs and ongoing procurement.

Q: Which substitute offers the best performance for high-energy transient events?

A: SM6T10CA and SM6T10CAY (STMicroelectronics) provide the highest peak pulse current rating (215A at 8/20µs) with 18.6V clamping voltage, delivering superior transient suppression capability while maintaining 600W power dissipation and full RoHS3 compliance.

Q: Do all substitutes meet RoHS3 compliance requirements?

A: Most substitutes are ROHS3 compliant. SMBJ8V5CA (Fairchild) does not specify RoHS status in available documentation. Verify compliance status with the component supplier for regulated applications requiring confirmed RoHS certification.

Q: What is the impact of operating temperature range differences on substitute selection?

A: Standard variants operate -55°C to 150°C. Vishay parts extend lower temperature operation to -65°C, providing additional margin for cold environment applications. SMBJP6KE10CA-TP extends upper temperature to 175°C for high-temperature environments. Select based on application thermal requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message