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CD214C-T26CALF Equivalent & Substitute Parts
Part Overview
The CD214C-T26CALF is a transient voltage suppressor (TVS) diode manufactured by Bourns Inc., designed for general-purpose overvoltage protection in surface-mount applications. This component features a 26V reverse standoff voltage with a 42.1V clamping voltage and 35.6A peak pulse current capability in a DO-214AB (SMC) package. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Voltage - Reverse Standoff (Typ) | 26V |
| Voltage - Breakdown (Min) | 28.9V |
| Voltage - Clamping (Max) @ Ipp | 42.1V |
| Current - Peak Pulse (10/1000µs) | 35.6A |
| Power - Peak Pulse | 1500W |
| Package / Case | DO-214AB, SMC |
| Operating Temperature Range | -55°C ~ 150°C (TJ) |
| Type | Zener |
| Bidirectional Channels | 1 |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitute parts for the CD214C-T26CALF are classified into two categories based on electrical parameter compatibility:
Direct Substitutes (Equivalent Performance): Parts meeting all critical electrical parameters within the same tolerance band—26V reverse standoff, 28.9V minimum breakdown voltage, 42.1V maximum clamping voltage, and 35.6A to 35.7A peak pulse current. These parts maintain identical power dissipation (1500W) and package form factor (DO-214AB/SMC).
Similar Substitutes (Enhanced Performance): Parts sharing the same voltage ratings (26V standoff, 28.9V breakdown, 42.1V clamping) but with higher peak pulse current capability (119A) and increased power dissipation (5000W). These parts provide superior transient protection margins while maintaining mechanical and electrical compatibility through the same DO-214AB package.
Substitution eligibility is determined by:
- Voltage - Reverse Standoff: 26V (fixed requirement)
- Voltage - Breakdown (Min): 28.9V (fixed requirement)
- Voltage - Clamping (Max) @ Ipp: 42.1V (fixed requirement)
- Package / Case: DO-214AB, SMC (fixed requirement)
- Operating Temperature Range: -55°C minimum (CD214C-T26CALF baseline)
- RoHS3 Compliance: Required
Parameter Comparison
| Part Number | Manufacturer | Status | Standoff (V) | Breakdown Min (V) | Clamp Max (V) | Peak Pulse (A) | Power (W) | Temp Range (°C) | Package |
|---|---|---|---|---|---|---|---|---|---|
| CD214C-T26CALF | Bourns Inc. | Obsolete | 26 | 28.9 | 42.1 | 35.6 | 1500 | -55 ~ 150 | DO-214AB |
| SMCJ26CA | EVVO Semi | Active | 26 | 28.9 | 42.1 | 35.7 | 1500 | -55 ~ 150 | DO-214AB |
| SMCJ26CA-13-F | Diodes Incorporated | Active | 26 | 28.9 | 42.1 | 35.6 | 1500 | -55 ~ 150 | DO-214AB |
| SMCJ26CA-HR | Littelfuse | Active | 26 | 28.9 | 42.1 | 35.7 | 1500 | -65 ~ 150 | DO-214AB |
| SMCJ26CA-HRA | Littelfuse Inc. | Active | 26 | 28.9 | 42.1 | 35.7 | 1500 | -65 ~ 150 | DO-214AB |
| SMCJ26CA-HRAT7 | Littelfuse Inc. | Active | 26 | 28.9 | 42.1 | 35.7 | 1500 | -65 ~ 150 | DO-214AB |
| SMCJ26CA-TP | Micro Commercial Co | Active | 26 | 28.9 | 42.1 | 35.7 | 1500 | -55 ~ 175 | DO-214AB |
| 5.0SMDJ26CA | MDE Semiconductor Inc | Active | 26 | 28.9 | 42.1 | 119 | 5000 | -55 ~ 150 | DO-214AB |
| 5.0SMDJ26CA-T7 | Littelfuse Inc. | Active | 26 | 28.9 | 42.1 | 119 | 5000 | -65 ~ 150 | DO-214AB |
Engineering Selection Recommendations
For Direct Replacement: Select SMCJ26CA (EVVO Semi), SMCJ26CA-13-F (Diodes Incorporated), or SMCJ26CA-TP (Micro Commercial Co). These parts maintain electrical equivalence to the CD214C-T26CALF with active product status and ROHS3 compliance. SMCJ26CA-TP offers the widest operating temperature range (-55°C to 175°C), providing additional thermal margin for demanding applications.
For Enhanced Protection: Select 5.0SMDJ26CA (MDE Semiconductor Inc) or 5.0SMDJ26CA-T7 (Littelfuse Inc.) when higher transient current handling is required. These parts deliver 119A peak pulse current and 5000W power dissipation while maintaining voltage compatibility. The 5.0SMDJ26CA-T7 variant extends the lower temperature limit to -65°C.
For Extended Temperature Range: SMCJ26CA-HR, SMCJ26CA-HRA, and SMCJ26CA-HRAT7 (all Littelfuse) support -65°C minimum operating temperature, suitable for applications requiring enhanced cold-temperature performance.
All recommended substitutes are ROHS3 compliant and available in active production status, ensuring long-term supply continuity.
Frequently Asked Questions (FAQ)
Q: Can SMCJ26CA directly replace CD214C-T26CALF? A: Yes. SMCJ26CA matches all critical electrical parameters: 26V standoff, 28.9V breakdown, 42.1V clamping, and 35.7A peak pulse current. Both use DO-214AB packaging and operate across -55°C to 150°C. The part is in active production status.
Q: What is the difference between 1500W and 5000W rated parts? A: Power rating reflects peak pulse dissipation capability. The 1500W parts (CD214C-T26CALF equivalent) handle 35.6A to 35.7A peak pulse current. The 5000W parts (5.0SMDJ series) handle 119A peak pulse current, providing greater transient suppression margin for high-energy surge events. Voltage characteristics remain identical.
Q: Are the Littelfuse SMCJ26CA-HR and SMCJ26CA-HRA variants interchangeable? A: Yes. Both variants share identical electrical specifications (26V standoff, 42.1V clamping, 35.7A peak pulse) and operating temperature range (-65°C to 150°C). The HR and HRA designations indicate internal design variants but do not affect substitution compatibility.
Q: Does operating temperature range affect substitution eligibility? A: Operating temperature range does not restrict substitution if the substitute meets or exceeds the original part's minimum temperature requirement. CD214C-T26CALF specifies -55°C minimum; all listed substitutes meet this requirement. Parts rated to -65°C provide additional margin without compatibility issues.
Q: Can I use SMCJ26CA-TP in place of SMCJ26CA? A: Yes. SMCJ26CA-TP (Micro Commercial Co) is electrically equivalent to SMCJ26CA (EVVO Semi) with identical voltage and current ratings. SMCJ26CA-TP offers a wider operating temperature range (-55°C to 175°C), making it suitable for higher-temperature environments.
Q: What packaging considerations apply to these substitutes? A: All listed substitutes use DO-214AB (SMC) surface-mount packaging, matching the CD214C-T26CALF footprint. Mechanical compatibility is maintained across all variants. Verify PCB layout and thermal management design when transitioning between 1500W and 5000W rated parts due to increased power dissipation.
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