SMB10J17A-M3/52 Equivalent & Substitute Parts

Part Overview

The SMB10J17A-M3/52 is a unidirectional transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This component operates as a Zener-type TVS diode in the DO-214AA (SMB) surface mount package, designed for general-purpose transient voltage suppression applications. The part is active in production status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified based on matching electrical performance parameters within acceptable tolerances for TVS diode applications.

Substiute Parts

SMB10J17A-M3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 1101SMB10J17A-M3/52 Datasheet

Current PartRFQ

SMBJ16A

EVVO SemiIn Stock: 44202SMBJ16A Datasheet

MFR RecommendedRFQ

SMBJ16A

EVVO SemiIn Stock: 44202SMBJ16A Datasheet

MFR RecommendedRFQ

SMBJ17A

MeritekIn Stock: 15470SMBJ17A Datasheet

MFR RecommendedRFQ

SMBJ17A

MeritekIn Stock: 15470SMBJ17A Datasheet

MFR RecommendedRFQ

SMBJ18A

EVVO SemiIn Stock: 35118SMBJ18A Datasheet

MFR RecommendedRFQ

SMBJ18A

EVVO SemiIn Stock: 35118SMBJ18A Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SMB10J17A-M3/52 are selected based on the following electrical and mechanical criteria:

Primary Matching Criteria:

• Reverse standoff voltage within ±1V of the main part (16V to 18V range)
• Clamping voltage within the specified range (26V to 29.2V)
• Unidirectional Zener-type TVS diode configuration
• Surface mount package compatibility (DO-214AA/SMB or equivalent SMA)
• Active production status
• RoHS3 compliance

Acceptable Parameter Variations:

• Peak pulse current: Minimum 20.6A (substitutes may have lower current ratings if application requirements permit)
• Power dissipation: Minimum 600W (substitutes may have lower power ratings)
• Operating temperature: -55°C to 150°C minimum range

The substitute parts SMBJ16A, SMBJ17A, and SMBJ18A meet these criteria with voltage ratings spanning 16V to 18V standoff, ensuring functional equivalence within standard TVS diode application tolerances.

Parameter Comparison

Engineering Selection Recommendations

SMBJ17A (Meritek) provides the closest electrical match to the SMB10J17A-M3/52, with identical reverse standoff voltage (17V), breakdown voltage (18.9V), and clamping voltage (27.6V). Both parts use the DO-214AA (SMB) package and share the same operating temperature range (-55 to 150°C). This substitute maintains full functional equivalence with RoHS3 compliance and active production status.

SMBJ16A (EVVO Semi) operates at a lower reverse standoff voltage (16V) with reduced peak pulse current (23.1A) and power dissipation (600W). This part is suitable for applications where lower voltage suppression is acceptable and peak transient energy is within the 600W specification. The SMA package (DO-214AC) differs from the SMB package but maintains surface mount compatibility.

SMBJ18A (EVVO Semi) operates at a higher reverse standoff voltage (18V) with the lowest peak pulse current (20.6A) and power dissipation (600W). This part is appropriate for applications requiring higher voltage suppression thresholds. The SMA package (DO-214AC) differs from the SMB package but maintains surface mount compatibility.

All substitute parts maintain RoHS3 compliance, active production status, and MSL 1 rating, ensuring regulatory and supply chain consistency with the original part.

Frequently Asked Questions (FAQ)

Q: Can SMBJ16A replace SMB10J17A-M3/52 in all applications?

A: SMBJ16A operates at a lower reverse standoff voltage (16V vs. 17V) and reduced peak pulse current (23.1A vs. 36.2A). Substitution is valid only if the application circuit tolerates these lower electrical specifications. Package compatibility differs (SMA vs. SMB), requiring PCB layout verification.

Q: What is the primary difference between SMBJ17A and the original SMB10J17A-M3/52?

A: SMBJ17A (Meritek) matches the electrical specifications identically: 17V standoff, 27.6V clamping, and 18.9V breakdown voltage. The primary difference is manufacturer (Meritek vs. Vishay). Both use DO-214AA (SMB) packages and share identical operating temperature ranges. This represents a direct functional equivalent.

Q: Why does SMBJ18A have lower peak pulse current than the original part?

A: SMBJ18A is rated for 20.6A peak pulse current and 600W power dissipation, compared to 36.2A and 1000W for SMB10J17A-M3/52. The higher reverse standoff voltage (18V) and clamping voltage (29.2V) result in different electrical characteristics. Substitution requires confirmation that the application transient energy remains within 600W limits.

Q: Are package differences between SMB and SMA critical for substitution?

A: Yes. SMB (DO-214AA) and SMA (DO-214AC) packages have different footprints and pin configurations. PCB layout and component placement must be verified before substitution. SMBJ17A maintains SMB package compatibility with the original part, while SMBJ16A and SMBJ18A require package-level design review.

Q: Do all substitute parts meet the same compliance standards as SMB10J17A-M3/52?

A: All substitute parts listed are RoHS3 compliant with MSL 1 (unlimited moisture sensitivity) rating and active production status. ECCN and HTSUS classifications match the original part, ensuring regulatory and procurement consistency.

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

A: SMB10J17A-M3/52 and SMBJ17A both specify -55 to 150°C operating range. SMBJ16A and SMBJ18A extend the lower temperature limit to -65°C, providing broader thermal operation. This difference does not restrict substitution but may offer additional thermal margin in cold-environment applications.