P6SMBJ100C Equivalent & Substitute Parts

Part Overview

The P6SMBJ100C 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. The part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Substiute Parts

P6SMBJ100C

Littelfuse Inc.In Stock: 877P6SMBJ100C Datasheet

Current PartRFQ

SMBJ85CA

MeritekIn Stock: 145208SMBJ85CA Datasheet

MFR RecommendedRFQ

SMBJP6KE100CA-TP

Micro Commercial CoIn Stock: 2904SMBJP6KE100CA-TP Datasheet

DirectRFQ

P6SMB100CA

Good-Ark SemiconductorIn Stock: 1553P6SMB100CA Datasheet

MFR RecommendedRFQ

SM6T100CA

STMicroelectronicsIn Stock: 27794SM6T100CA Datasheet

MFR RecommendedRFQ

SMBJ85CAE3/TR13

Microchip TechnologyIn Stock: 960SMBJ85CAE3/TR13 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the P6SMBJ100C is determined by the following critical parameters:

Electrical Compatibility Requirements:

• Voltage - Reverse Standoff (Typ): 85V to 85.5V
• Voltage - Breakdown (Min): 90V to 95V
• Voltage - Clamping (Max) @ Ipp: 137V to 143.85V
• Current - Peak Pulse (10/1000µs): 4.4A to 4.5A
• Power - Peak Pulse: 600W

Mechanical & Environmental Requirements:

• Package / Case: DO-214AA (SMB)
• Mounting Type: Surface Mount
• Bidirectional Channels: 1
• Type: Zener
• Operating Temperature: -55°C minimum to 150°C maximum
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

Five active substitute parts meet these criteria across multiple manufacturers, providing design flexibility while maintaining electrical and mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

All five substitute parts are active products with ROHS3 compliance and MSL 1 ratings, providing long-term availability and environmental compliance advantages over the obsolete P6SMBJ100C.

SMBJ85CA (Meritek): Meets core electrical parameters with 137V clamping voltage and 4.38A peak pulse current. Suitable for direct replacement in applications where the slightly lower clamping voltage is acceptable within circuit design margins.

SMBJP6KE100CA-TP (Micro Commercial Co): Matches the original part's 85.5V standoff voltage and 4.5A peak pulse current with identical 137V clamping voltage. Extended operating temperature range to 175°C provides additional thermal margin. Supplied in Tape & Reel packaging.

P6SMB100CA (Good-Ark Semiconductor): Provides 85.5V standoff voltage with 4.4A peak pulse current and 137V clamping voltage. Maintains compatibility with the P6SMBx series designation. Supplied in Tape & Reel packaging.

SM6T100CA (STMicroelectronics): Maintains 85.5V standoff voltage and 600W power rating with 137V clamping voltage. Offers higher peak pulse current capability (22.5A at 8/20µs pulse) for applications requiring enhanced transient suppression performance. Supplied in Cut Tape & Digi-Reel packaging.

SMBJ85CAE3/TR13 (Microchip Technology): Meets electrical parameters with 85V standoff voltage, 4.4A peak pulse current, and 137V clamping voltage. Extended lower operating temperature limit to -65°C provides additional cold-temperature margin. Supplied in Tape & Reel packaging.

Frequently Asked Questions (FAQ)

Q: Can I use any of these substitute parts as a direct replacement for the P6SMBJ100C?

A: All five substitute parts are electrically and mechanically compatible with the P6SMBJ100C within the specified parameter ranges. They share the same DO-214AA (SMB) package, surface mount configuration, 600W power rating, and operating temperature range of -55°C to 150°C. Selection depends on specific circuit requirements and packaging preferences.

Q: What is the difference between the clamping voltages of these parts?

A: The P6SMBJ100C has a maximum clamping voltage of 143.85V. Most substitutes (SMBJ85CA, SMBJP6KE100CA-TP, P6SMB100CA, SMBJ85CAE3/TR13) clamp at 137V, which is 6.85V lower. The SM6T100CA clamps at 178V, which is 34.15V higher. Circuit design margins must accommodate these differences in transient voltage suppression performance.

Q: Are there packaging differences between these substitute parts?

A: All parts use the DO-214AA (SMB) surface mount package. Packaging format differs: SMBJ85CA is available in standard format, SMBJP6KE100CA-TP and SMBJ85CAE3/TR13 are supplied in Tape & Reel (TR), and SM6T100CA is supplied in Cut Tape (CT) & Digi-Reel format. These differences affect procurement and assembly processes but not electrical or mechanical compatibility.

Q: Which substitute part has the widest operating temperature range?

A: SMBJP6KE100CA-TP extends to 175°C (versus 150°C for most others), and SMBJ85CAE3/TR13 extends to -65°C (versus -55°C for most others). Selection depends on whether extended upper or lower temperature operation is required.

Q: Do all substitute parts have the same peak pulse current rating?

A: Most substitutes (SMBJ85CA, SMBJP6KE100CA-TP, P6SMB100CA, SMBJ85CAE3/TR13) have peak pulse currents between 4.38A and 4.5A, matching the original 4.5A specification. SM6T100CA has a significantly higher peak pulse current of 22.5A at 8/20µs pulse width, providing enhanced transient suppression capability for high-energy applications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all five substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity ratings, meeting current environmental and reliability standards.