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Equivalent & Substitute Parts Reference for SMBJ110CAHM3_A/I
Part Overview
The SMBJ110CAHM3_A/I is a Transient Voltage Suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division, categorized under TransZorb® series. It features a 177V clamp at 3.4A peak pulse in a surface mount DO-214AA (SMB) package, compliant with automotive grade and relevant regulatory standards. This TVS diode is marked as obsolete; therefore, finding alternative models with identical electrical and mechanical parameters is necessary to ensure continued compatibility in telecom and automotive applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | SMBJ110CAHM3_A/I |
| Series | TransZorb® |
| Type | Zener |
| Bidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 110V |
| Voltage - Breakdown (Min) | 122V |
| Voltage - Clamping (Max) @ Ipp | 177V |
| Current - Peak Pulse (10/1000µs) | 3.4A |
| Power - Peak Pulse | 600W |
| Applications | Telecom |
| Grade | Automotive |
| Qualification | AEC-Q101 |
| Mounting Type | Surface Mount |
| Package / Case | DO-214AA, SMB |
| RoHS Status | ROHS3 Compliant |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution for SMBJ110CAHM3_A/I is based strictly on electrical, mechanical, and compliance parameters. The following key parameters determine substitute eligibility: type, bidirectional capability, reverse standoff voltage, breakdown voltage, clamping voltage at specified pulse, peak pulse current, peak pulse power, mounting type, package, grade, qualification, RoHS, and REACH status. Only parts matching these characteristics are considered direct substitutes.
Parameter Comparison
| Parameter | Main Part: SMBJ110CAHM3_A/I | Substitute: SMBJ110CAHM3_B/I |
|---|---|---|
| Series | TransZorb® | TransZorb® |
| Type | Zener | Zener |
| Bidirectional Channels | 1 | 1 |
| Voltage - Reverse Standoff (Typ) | 110V | 110V |
| Voltage - Breakdown (Min) | 122V | 122V |
| Voltage - Clamping (Max) @ Ipp | 177V | 177V |
| Current - Peak Pulse (10/1000µs) | 3.4A | 3.4A |
| Power - Peak Pulse | 600W | 600W |
| Applications | Telecom | Telecom |
| Grade | Automotive | Automotive |
| Qualification | AEC-Q101 | AEC-Q101 |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | DO-214AA, SMB | DO-214AA, SMB |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The SMBJ110CAHM3_A/I is currently obsolete. Based on available compliance, qualification, and identical key parameters, SMBJ110CAHM3_B/I meets all required criteria as a substitute. Both parts are ROHS3 Compliant and REACH Unaffected, with automotive grade and AEC-Q101 qualification, ensuring continued suitability for telecom applications and regulatory adherence.
Frequently Asked Questions (FAQ)
Q1: What parameters ensure compatibility between SMBJ110CAHM3_A/I and SMBJ110CAHM3_B/I?
A1: Compatibility is established by matching series, type, bidirectional channels, electrical ratings (voltages, current, power), mounting type, package, grade, qualification, and compliance statuses.
Q2: Can SMBJ110CAHM3_B/I be used as a direct replacement regarding package and mechanical mounting?
A2: Yes; both parts are supplied in DO-214AA (SMB) surface mount packages.
Q3: Is there any change in regulatory compliance or automotive qualification when substituting?
A3: Both parts are ROHS3 Compliant, REACH Unaffected, automotive grade, and AEC-Q101 qualified.
Q4: Does the substitute part affect the peak pulse power capacity or clamping voltage?
A4: No; both parts have a peak pulse power of 600W and a maximum clamping voltage of 177V.
Q5: Are there any differences in application suitability between the main and substitute parts?
A5: Both parts are specified for telecom applications and share identical key operational and qualification parameters.
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