P6SMB8.2C Equivalent & Substitute Parts

Part Overview

The P6SMB8.2C is a transient voltage suppressor (TVS) diode manufactured by Littelfuse Inc., designed for general-purpose overvoltage protection in surface-mount applications. This component features a 7.02V reverse standoff voltage, 12.71V clamping voltage, and 50.4A peak pulse current capability in a DO-214AA (SMB) package. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for new designs and production continuity.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	7.02	V
Voltage - Breakdown (Min)	7.38	V
Voltage - Clamping (Max) @ Ipp	12.71	V
Current - Peak Pulse (10/1000µs)	50.4	A
Power - Peak Pulse	600	W
Operating Temperature Range	-55 to 150	°C (TJ)
Package / Case	DO-214AA, SMB	-
Mounting Type	Surface Mount	-
Type	Zener	-
Bidirectional Channels	1	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution of the P6SMB8.2C is determined by strict equivalence across the following electrical and mechanical parameters:

Voltage - Reverse Standoff (Typ): 7.0V to 7.02V range
Voltage - Clamping (Max) @ Ipp: 12.0V to 12.71V range
Current - Peak Pulse (10/1000µs): 49.59A to 52A range
Power - Peak Pulse: 600W
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
Type: Zener
Bidirectional Channels: 1
RoHS Status: ROHS3 Compliant

All identified substitute parts maintain these parameters within acceptable tolerances for direct functional replacement. Substitute parts are grouped by active product status and availability.

Parameter Comparison

Part Number	Manufacturer	VWM (Typ) V	Breakdown (Min) V	Clamp (Max) V	Ipp A	Power W	Temp Range °C	Status
P6SMB8.2C	Littelfuse Inc.	7.02	7.38	12.71	50.4	600	-55 to 150	Obsolete
P6SMB8.2CA	Taiwan Semiconductor Corporation	7.02	7.79	12.1	52	600	-55 to 150	Active
SMBJ7.0CA	MDD	7.0	7.78	12.0	50	600	-50 to 150	Active
SMBJ7.0CA-E3/5B	Vishay General Semiconductor - Diodes Division	7.0	7.78	12.0	50	600	-55 to 150	Active
SMBJ7.0CA-TP	Micro Commercial Co	7.0	7.78	12.0	50	600	-55 to 175	Active
SMBJ7V0CA	Taiwan Semiconductor Corporation	7.0	7.78	12.0	50	600	-55 to 150	Active
TV06B7V0JB-HF	Comchip Technology	7.0	7.78	12.0	50	600	Not specified	Active
TVP06B8V2CA-G	Comchip Technology	7.0	7.79	12.1	49.59	600	-55 to 150	Active

Engineering Selection Recommendations

All substitute parts listed are ROHS3 compliant and maintain MSL rating of 1 (Unlimited), matching the original P6SMB8.2C specifications. Selection among active alternatives should prioritize:

Primary Recommendation: P6SMB8.2CA (Taiwan Semiconductor Corporation) — Maintains identical reverse standoff voltage (7.02V), closest clamping voltage specification (12.1V), and active product status with full temperature range coverage (-55°C to 150°C).

Secondary Recommendations: SMBJ7V0CA (Taiwan Semiconductor Corporation) and SMBJ7.0CA-E3/5B (Vishay) — Both provide 7.0V standoff voltage with 12.0V clamping and full temperature range support. Vishay component offers established reliability in industrial applications.

Extended Temperature Option: SMBJ7.0CA-TP (Micro Commercial Co) — Extends operating range to 175°C, suitable for high-temperature environments while maintaining all electrical parameters.

All substitute parts are available in DO-214AA (SMB) surface-mount packaging with Tape & Reel (TR) configuration for production continuity.

Frequently Asked Questions (FAQ)

Q: Can P6SMB8.2CA directly replace P6SMB8.2C?

A: Yes. P6SMB8.2CA maintains the same reverse standoff voltage (7.02V), operates across the identical temperature range (-55°C to 150°C), and is packaged in DO-214AA (SMB). The clamping voltage specification (12.1V vs. 12.71V) falls within acceptable tolerance for general-purpose TVS applications. Active product status ensures long-term availability.

Q: What is the difference between 7.0V and 7.02V standoff voltage specifications?

A: Both values represent the same voltage class with different measurement precision. The 0.02V variance is within standard component tolerance and does not affect functional compatibility in circuit protection applications.

Q: Are all substitute parts available in the same package?

A: Yes. All substitute parts are manufactured in DO-214AA (SMB) surface-mount package with Tape & Reel (TR) packaging configuration, ensuring mechanical and assembly compatibility with the original P6SMB8.2C footprint.

Q: Which substitute offers the widest operating temperature range?

A: SMBJ7.0CA-TP (Micro Commercial Co) extends to 175°C maximum junction temperature, compared to 150°C for most alternatives. This option is suitable for applications requiring enhanced thermal performance.

Q: Do all substitutes maintain RoHS3 compliance?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL rating of 1 (Unlimited), matching the original component's environmental and regulatory specifications.

Q: What is the peak pulse current tolerance across substitute options?

A: Peak pulse current ranges from 49.59A to 52A across substitutes, representing a ±3.2% variance from the original 50.4A specification. This range is acceptable for transient voltage suppression in general-purpose applications.

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