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SMBJ16CA-TP Equivalent & Substitute Parts
Part Overview
The SMBJ16CA-TP is a Transient Voltage Suppressor (TVS) diode manufactured by Micro Commercial Co, designed for general-purpose overvoltage protection in surface-mount applications. This bidirectional Zener diode operates with a 16V reverse standoff voltage and 26V maximum clamping voltage, delivering 23.1A peak pulse current in a DO-214AA (SMB) package. The part is Active status and ROHS3 compliant with unlimited moisture sensitivity rating.
Equivalent and substitute parts are identified based on matching electrical performance parameters, package compatibility, and operational specifications. Alternative sources provide equivalent functionality for procurement flexibility, inventory availability, and supply chain continuity.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Reverse Standoff (Typ) | 16 | V |
| Voltage - Breakdown (Min) | 17.8 | V |
| Voltage - Clamping (Max) @ Ipp | 26 | V |
| Current - Peak Pulse (10/1000µs) | 23.1 | A |
| Power - Peak Pulse | 600 | W |
| Package / Case | DO-214AA, SMB | — |
| Operating Temperature Range | -55 to 175 | °C (TJ) |
| Type | Zener | — |
| Bidirectional Channels | 1 | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the SMBJ16CA-TP are classified into two categories based on electrical and mechanical parameter alignment:
Direct Substitutes maintain identical electrical specifications across all critical parameters: 16V reverse standoff voltage, 17.8V minimum breakdown voltage, 26V maximum clamping voltage, and 23.1A peak pulse current. These parts are functionally interchangeable in the same circuit application. Direct substitutes include SMBJ16CA (EVVO Semi), SMBJ16CA-13-F (Diodes Incorporated), SMBJ16CA-E3/52 (Vishay), and SMBJ16CA-E3/5B (Vishay).
Similar Substitutes match all critical electrical parameters but may include additional specifications or certifications not present in the main part. The SZ1SMB16CAT3G (Littelfuse) qualifies as a similar substitute, offering identical voltage and current ratings with automotive-grade qualification (AEC-Q101) and specified capacitance (520pF @ 1MHz).
Substitution eligibility is determined by:
- Voltage - Reverse Standoff: 16V (required)
- Voltage - Clamping (Max) @ Ipp: 26V (required)
- Current - Peak Pulse: 23.1A (required)
- Package / Case: DO-214AA, SMB (required)
- Type: Zener, Bidirectional (required)
- RoHS Status: ROHS3 Compliant (required)
Parameter Comparison
| Parameter | SMBJ16CA-TP (Main) | SMBJ16CA (EVVO) | SMBJ16CA-13-F (Diodes) | SMBJ16CA-E3/52 (Vishay) | SMBJ16CA-E3/5B (Vishay) | SZ1SMB16CAT3G (Littelfuse) |
|---|---|---|---|---|---|---|
| Manufacturer | Micro Commercial Co | EVVO Semi | Diodes Incorporated | Vishay General Semiconductor | Vishay General Semiconductor | Littelfuse Inc. |
| Voltage - Reverse Standoff (Typ) | 16V | 16V | 16V | 16V | 16V | 16V |
| Voltage - Breakdown (Min) | 17.8V | 17.8V | 17.8V | 17.8V | 17.8V | 17.8V |
| Voltage - Clamping (Max) @ Ipp | 26V | 26V | 26V | 26V | 26V | 26V |
| Current - Peak Pulse (10/1000µs) | 23.1A | 23.1A | 23.1A | 23.1A | 23.1A | 23.1A |
| Power - Peak Pulse | 600W | 600W | 600W | 600W | 600W | 600W |
| Operating Temperature Range | -55 to 175°C | -65 to 150°C | -55 to 150°C | -55 to 150°C | -55 to 150°C | -65 to 150°C |
| Package / Case | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Active | Active | Active | Active | Active | Active |
| REACH Status | REACH Unaffected | — | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected |
| Automotive Grade / Qualification | — | — | — | — | — | AEC-Q101 |
Engineering Selection Recommendations
All substitute parts listed maintain Active product status and ROHS3 compliance, ensuring regulatory alignment with the original SMBJ16CA-TP specification.
Direct Substitutes (SMBJ16CA, SMBJ16CA-13-F, SMBJ16CA-E3/52, SMBJ16CA-E3/5B) are electrically and mechanically equivalent. Selection among these options is determined by packaging availability (Tape & Reel vs. Cut Tape), inventory levels, and supply chain logistics. Vishay TransZorb® series parts (SMBJ16CA-E3/52 and SMBJ16CA-E3/5B) carry the TransZorb® designation and maintain identical electrical performance.
Similar Substitute (SZ1SMB16CAT3G) provides equivalent electrical performance with automotive-grade qualification (AEC-Q101). This part is suitable for applications requiring automotive-level reliability and traceability. The specified capacitance value (520pF @ 1MHz) is an additional parameter not provided for the main part.
Operating temperature range variations exist across substitutes. The main part operates to 175°C junction temperature, while most substitutes operate to 150°C. EVVO Semi and Littelfuse variants extend the lower temperature limit to -65°C compared to the main part's -55°C minimum.
Frequently Asked Questions (FAQ)
Q: Can SMBJ16CA (EVVO Semi) directly replace SMBJ16CA-TP in production?
A: Yes. SMBJ16CA maintains identical electrical specifications: 16V reverse standoff, 26V clamping voltage, and 23.1A peak pulse current. Both are ROHS3 compliant with DO-214AA (SMB) packaging. Packaging format differs (Cut Tape & Digi-Reel® vs. Tape & Reel), which may affect assembly line compatibility.
Q: What is the difference between Vishay SMBJ16CA-E3/52 and SMBJ16CA-E3/5B?
A: Both parts are electrically identical with matching voltage and current ratings. The suffix designations (-E3/52 vs. -E3/5B) represent different packaging or tape configurations from Vishay. Electrical performance and DO-214AA (SMB) package compatibility are equivalent.
Q: Is SZ1SMB16CAT3G suitable for non-automotive applications?
A: Yes. SZ1SMB16CAT3G meets all electrical requirements for the SMBJ16CA-TP application. The AEC-Q101 automotive qualification is an additional certification that does not restrict use in general-purpose applications. The part maintains identical voltage, current, and package specifications.
Q: How do operating temperature ranges affect substitution?
A: The main part SMBJ16CA-TP operates to 175°C junction temperature, while most substitutes operate to 150°C. For applications operating near or above 150°C, the original SMBJ16CA-TP is required. For applications below 150°C, all substitutes are suitable. Lower temperature limits vary (-55°C vs. -65°C); verify application requirements.
Q: Are all substitute parts available in the same packaging format?
A: No. SMBJ16CA (EVVO Semi) is supplied in Cut Tape & Digi-Reel® format. SMBJ16CA-13-F, SMBJ16CA-E3/52, and SMBJ16CA-E3/5B are supplied in Tape & Reel (TR) format. SZ1SMB16CAT3G is supplied in Tape & Reel (TR) format. Verify packaging compatibility with assembly equipment before selection.
Q: Do all parts carry REACH compliance?
A: REACH Unaffected status is confirmed for SMBJ16CA-13-F, SMBJ16CA-E3/52, SMBJ16CA-E3/5B, and SZ1SMB16CAT3G. REACH status is not specified for SMBJ16CA (EVVO Semi). Confirm REACH documentation with the supplier if regulatory compliance documentation is required.
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