P6SMBJ36C Equivalent & Substitute Parts

Part Overview

The P6SMBJ36C is a bidirectional transient voltage suppressor (TVS) diode manufactured by Littelfuse Inc. in the DO-214AA (SMB) surface mount package. This component is designed for general-purpose transient voltage suppression applications with a 600W peak pulse power rating and 30.8V reverse standoff voltage. The part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	P6SMBJ36C
Manufacturer	Littelfuse Inc.
Category	Transient Voltage Suppressors (TVS)
Type	Zener
Package / Case	DO-214AA, SMB
Voltage - Reverse Standoff (Typ)	30.8V
Voltage - Breakdown (Min)	32.4V
Voltage - Clamping (Max) @ Ipp	52.4V
Current - Peak Pulse (10/1000µs)	12.2A
Power - Peak Pulse	600W
Operating Temperature	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the P6SMBJ36C are qualified based on the following critical parameters that must remain within acceptable tolerances:

Core Substitution Criteria:

Reverse standoff voltage: 30.8V (Typ)
Breakdown voltage minimum: 32.4V to 34.2V range
Clamping voltage maximum: 49.9V to 52.4V range
Peak pulse current: 12A to 12.2A
Power dissipation: 600W peak pulse
Package: DO-214AA / SMB surface mount
Bidirectional channels: 1
RoHS3 compliance required

Substitute parts are grouped into two categories:

Group 1 - Direct Electrical Equivalents (49.9V Clamp): Parts with clamping voltage of 49.9V and peak pulse current of 12A or 12.2A. These include P6SMB36CA (Good-Ark Semiconductor), SZP6SMB36CAT3G (Littelfuse Inc.), SMBJP6KE36CA-TP (Micro Commercial Co), P6SMB36CAHE3_A/H (Vishay), SM6T36CA-E3/52 (Vishay), and SM6T36CA-E3/5B (Vishay).

Group 2 - Higher Clamping Voltage Variants (64.3V Clamp): Parts with elevated clamping voltage of 64.3V and higher peak pulse current of 62A (8/20µs). These include SM6T36CA and SM6T36CAY (STMicroelectronics). These variants provide enhanced transient suppression capability but operate at higher clamping voltages.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Product Status	Voltage - Reverse Standoff (Typ)	Voltage - Breakdown (Min)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Power - Peak Pulse	Operating Temperature	Package / Case
P6SMBJ36C	Littelfuse Inc.	Obsolete	30.8V	32.4V	52.4V	12.2A	600W	-55°C ~ 150°C	DO-214AA, SMB
P6SMB36CA	Good-Ark Semiconductor	Active	30.8V	34.2V	49.9V	12A	600W	-55°C ~ 150°C	DO-214AA, SMB
SZP6SMB36CAT3G	Littelfuse Inc.	Active	30.8V	34.2V	49.9V	12A	600W	-65°C ~ 150°C	DO-214AA, SMB
SMBJP6KE36CA-TP	Micro Commercial Co	Active	30.8V	34.2V	49.9V	12.2A	600W	-55°C ~ 175°C	DO-214AA, SMB
P6SMB36CAHE3_A/H	Vishay General Semiconductor - Diodes Division	Obsolete	30.8V	34.2V	49.9V	12A	600W	-65°C ~ 150°C	DO-214AA, SMB
SM6T36CA-E3/52	Vishay General Semiconductor - Diodes Division	Active	30.8V	34.2V	49.9V	12A	600W	-65°C ~ 150°C	DO-214AA, SMB
SM6T36CA-E3/5B	Vishay General Semiconductor - Diodes Division	Active	30.8V	34.2V	49.9V	12A	600W	-65°C ~ 150°C	DO-214AA, SMB
SM6T36CA	STMicroelectronics	Active	30.8V	34.2V	64.3V	62A (8/20µs)	600W	-55°C ~ 150°C	DO-214AA, SMB
SM6T36CAY	STMicroelectronics	Active	30.8V	34.2V	64.3V	62A (8/20µs)	600W	-55°C ~ 150°C	DO-214AA, SMB

Engineering Selection Recommendations

For Direct Replacement (Electrical Equivalence):

Select from Group 1 parts when the application requires electrical characteristics matching the original P6SMBJ36C specification. P6SMB36CA (Good-Ark Semiconductor) and SMBJP6KE36CA-TP (Micro Commercial Co) are active products with full availability. SZP6SMB36CAT3G (Littelfuse Inc.) offers extended temperature range (-65°C to 150°C) and carries AEC-Q101 automotive qualification, suitable for automotive and industrial applications requiring higher reliability standards.

For Enhanced Transient Suppression:

SM6T36CA and SM6T36CAY (STMicroelectronics) provide higher clamping voltage (64.3V) and significantly higher peak pulse current (62A at 8/20µs pulse). These parts are suitable for applications requiring superior transient suppression performance. SM6T36CAY includes AEC-Q101 automotive qualification.

Compliance and Availability:

All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. Parts with active product status (P6SMB36CA, SZP6SMB36CAT3G, SMBJP6KE36CA-TP, SM6T36CA-E3/52, SM6T36CA-E3/5B, SM6T36CA, SM6T36CAY) are preferred for new designs and ongoing procurement. Avoid P6SMB36CAHE3_A/H and P6SMBJ36C due to obsolete status.

Frequently Asked Questions (FAQ)

Q: Can P6SMB36CA be used as a direct replacement for P6SMBJ36C?

A: Yes. P6SMB36CA maintains the same reverse standoff voltage (30.8V), breakdown voltage range (34.2V minimum), power rating (600W), and DO-214AA package. The clamping voltage is 49.9V compared to 52.4V in the original part, which remains within acceptable substitution tolerance for general-purpose transient suppression applications.

Q: What is the difference between Group 1 and Group 2 substitute parts?

A: Group 1 parts (P6SMB36CA, SZP6SMB36CAT3G, SMBJP6KE36CA-TP, and Vishay SM6T variants) maintain clamping voltage at 49.9V with peak pulse current of 12A or 12.2A. Group 2 parts (SM6T36CA and SM6T36CAY) operate at 64.3V clamping voltage with 62A peak pulse current (8/20µs), providing enhanced suppression capability for higher-energy transient events.

Q: Are there temperature range differences between substitutes?

A: Yes. Most parts operate from -55°C to 150°C. SZP6SMB36CAT3G, P6SMB36CAHE3_A/H, SM6T36CA-E3/52, and SM6T36CA-E3/5B extend the lower temperature limit to -65°C. SMBJP6KE36CA-TP extends the upper limit to 175°C. Select based on application temperature requirements.

Q: Which substitute parts carry automotive qualification?

A: SZP6SMB36CAT3G (Littelfuse Inc.), SM6T36CAY (STMicroelectronics), and P6SMB36CAHE3_A/H (Vishay) carry AEC-Q101 automotive qualification. These are suitable for automotive and mission-critical applications requiring higher reliability standards.

Q: What packaging options are available for substitute parts?

A: All substitute parts use DO-214AA (SMB) surface mount package. Packaging formats vary: Cut Tape (CT) & Digi-Reel® for P6SMB36CA, SZP6SMB36CAT3G, SM6T36CA, SM6T36CAY, SM6T36CA-E3/52, and SM6T36CA-E3/5B; Tape & Reel (TR) for SMBJP6KE36CA-TP and P6SMB36CAHE3_A/H. Verify packaging compatibility with assembly equipment before procurement.

Q: Is SMBJP6KE36CA-TP a suitable replacement?

A: Yes. SMBJP6KE36CA-TP matches the original part's electrical specifications with 30.8V reverse standoff voltage, 49.9V clamping voltage, and 12.2A peak pulse current. It is an active product with extended upper temperature rating (-55°C to 175°C) and is available in Tape & Reel packaging.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message