SMBJ6.0A Equivalent & Substitute Parts

Part Overview

The SMBJ6.0A is an active Transient Voltage Suppressor (TVS) diode manufactured by Taiwan Semiconductor Corporation. This unidirectional zener diode is designed for general-purpose transient voltage suppression applications in surface-mount configurations. The device features a 6V reverse standoff voltage with a 10.3V maximum clamping voltage and 61A peak pulse current capability in a DO-214AA (SMB) package. Finding equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and accommodate alternative sourcing options while maintaining electrical and mechanical compatibility.

Substiute Parts

SMBJ6.0A

Taiwan Semiconductor CorporationIn Stock: 198113SMBJ6.0A Datasheet

Current PartRFQ

SMBJ6.0A

EVVO SemiIn Stock: 198190SMBJ6.0A Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SMBJ6.0A are qualified based on the following critical electrical and mechanical parameters:

Electrical Compatibility Criteria:

• Voltage - Reverse Standoff (Typ): 6V
• Voltage - Breakdown (Min): 6.67V
• Voltage - Clamping (Max) @ Ipp: 10.3V
• Current - Peak Pulse (10/1000µs): minimum 58.3A (within acceptable tolerance of the 61A specification)
• Power - Peak Pulse: 600W
• Type: Zener
• Unidirectional Channels: 1

Mechanical Compatibility Criteria:

• Package / Case: DO-214AA, SMB
• Mounting Type: Surface Mount

Compliance Criteria:

• Product Status: Active
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts must satisfy all electrical parameters within the specified tolerances and maintain identical mechanical packaging and mounting characteristics. Operating temperature range variations are acceptable provided the substitute operates within the application's required temperature envelope.

Parameter Comparison

Engineering Selection Recommendations

The SMBJ6.0A manufactured by EVVO Semi qualifies as a direct substitute for the Taiwan Semiconductor Corporation SMBJ6.0A based on the following engineering criteria:

Electrical Equivalence: Both devices maintain identical voltage specifications (6V reverse standoff, 6.67V breakdown minimum, 10.3V clamping maximum) and equivalent power dissipation (600W peak pulse). The peak pulse current of the EVVO Semi variant (58.3A) remains within acceptable operational tolerance relative to the primary part specification (61A), with both devices capable of handling transient suppression requirements in general-purpose applications.

Mechanical Compatibility: Both parts utilize identical DO-214AA (SMB) surface-mount packaging, ensuring direct PCB footprint compatibility and assembly process interchangeability without design modification.

Compliance and Reliability: Both devices maintain Active product status, ROHS3 compliance, and MSL 1 (Unlimited) moisture sensitivity rating, confirming equivalent environmental and regulatory suitability. The EVVO Semi variant provides an extended operating temperature range (-65°C to 150°C versus -55°C to 150°C), offering enhanced low-temperature performance.

Supply Chain Flexibility: Both manufacturers provide equivalent inventory availability (198,100 pieces), supporting consistent sourcing and production scheduling.

Frequently Asked Questions (FAQ)

Q: Can the EVVO Semi SMBJ6.0A be used as a direct replacement for the Taiwan Semiconductor SMBJ6.0A?

A: Yes. Both devices share identical electrical specifications for voltage parameters (6V standoff, 6.67V breakdown, 10.3V clamping) and power dissipation (600W). The peak pulse current difference (58.3A versus 61A) falls within acceptable operational tolerance for general-purpose transient suppression applications. Mechanical packaging (DO-214AA SMB) and mounting type (surface mount) are identical, enabling direct PCB substitution without design changes.

Q: What are the critical parameters that determine substitution eligibility?

A: Substitution eligibility is determined by: (1) Voltage - Reverse Standoff matching at 6V, (2) Voltage - Breakdown minimum at 6.67V, (3) Voltage - Clamping maximum at 10.3V, (4) Peak pulse current capability of at least 58.3A, (5) Power dissipation of 600W, (6) Identical DO-214AA SMB package, and (7) Surface-mount configuration. All substitute parts must maintain these specifications and comply with ROHS3 and MSL 1 requirements.

Q: Does the operating temperature range difference affect substitution suitability?

A: No. The EVVO Semi variant operates across -65°C to 150°C, which encompasses the Taiwan Semiconductor range of -55°C to 150°C. The extended low-temperature capability of the substitute part does not compromise compatibility and may provide enhanced performance in cold-environment applications. Substitution is suitable for any application within the original -55°C to 150°C specification.

Q: Are there packaging or handling differences between the two manufacturers?

A: Both devices are supplied in DO-214AA (SMB) surface-mount packages with MSL 1 (Unlimited) moisture sensitivity ratings. The EVVO Semi variant is available in Cut Tape (CT) and Digi-Reel® packaging options, while packaging format for the Taiwan Semiconductor variant is not specified. Both maintain identical component-level handling and storage requirements.

Q: What compliance certifications apply to both parts?

A: Both the Taiwan Semiconductor and EVVO Semi SMBJ6.0A devices are ROHS3 compliant and REACH unaffected. Both carry EAR99 export classification and HTSUS code 8541.10.0080. Compliance status is equivalent across both manufacturers.

Q: Is the 2.7A difference in peak pulse current specification significant?

A: The peak pulse current difference (61A primary versus 58.3A substitute) represents approximately 4.4% variance. For general-purpose transient voltage suppression applications, this difference remains within acceptable engineering tolerance. Both devices maintain identical 600W peak pulse power dissipation, confirming equivalent energy absorption capability. Application-specific requirements should be evaluated if peak current margin is critical to circuit protection design.