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CD214L-T10CALF Equivalent & Substitute Parts
Part Overview
The CD214L-T10CALF 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 10V reverse standoff voltage, 17V maximum clamping voltage, and 176.4A 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 |
|---|---|
| Manufacturer Part Number | CD214L-T10CALF |
| Manufacturer | Bourns Inc. |
| Category | Transient Voltage Suppressors (TVS) |
| Type | Zener |
| Voltage - Reverse Standoff (Typ) | 10V |
| Voltage - Breakdown (Min) | 11.1V |
| Voltage - Clamping (Max) @ Ipp | 17V |
| Current - Peak Pulse (10/1000µs) | 176.4A |
| Power - Peak Pulse | 3000W (3kW) |
| Package / Case | DO-214AB, SMC |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| RoHS Status | ROHS3 Compliant |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution for the CD214L-T10CALF is determined by the following critical parameters:
Primary Substitution Criteria:
- Voltage - Reverse Standoff: 10V (±tolerance)
- Voltage - Clamping (Max) @ Ipp: 17V (±tolerance)
- Current - Peak Pulse (10/1000µs): 176.4A minimum
- Power - Peak Pulse: 3000W minimum
- Package / Case: DO-214AB, SMC
- Bidirectional Channels: 1
- Type: Zener
Direct Equivalents maintain all electrical parameters within specification and are suitable for one-to-one replacement:
- SMLJ10CA (Bourns Inc., Active status)
- SMDJ10CA (Alpha & Omega Semiconductor Inc., Active status)
- SMDJ10CA-T7 (Littelfuse, Active status)
- SMLJ10CA-TP (Micro Commercial Co, Active status)
Similar Substitutes share the same voltage ratings and package but have reduced peak pulse current (88.3A) and power dissipation (1500W):
- SMCJ10CA (Fairchild Semiconductor, Active status)
- SMCJ10CA-TP (Micro Commercial Co, Active status)
Partial Compatibility Substitutes have slightly elevated voltage ratings and reduced current handling:
- SMCJ11CA-13-F (Diodes Incorporated, 11V standoff, 82.4A peak pulse)
- TPSMC12CA (Littelfuse Inc., 10.2V standoff, 91A peak pulse, Automotive grade)
- TPSMC13CA (Littelfuse Inc., 11.1V standoff, 84.6A peak pulse, Automotive grade)
Parameter Comparison
| Part Number | Manufacturer | Status | Standoff (V) | Breakdown (V) | Clamp (V) | Peak Pulse (A) | Power (W) | Temp Range (°C) | Package |
|---|---|---|---|---|---|---|---|---|---|
| CD214L-T10CALF | Bourns Inc. | Obsolete | 10 | 11.1 | 17 | 176.4 | 3000 | -55 ~ 150 | DO-214AB |
| SMLJ10CA | Bourns Inc. | Active | 10 | 11.1 | 17 | 176.4 | 3000 | -55 ~ 150 | DO-214AB |
| SMLJ10CA-TP | Micro Commercial Co | Active | 10 | 11.1 | 17 | 176.4 | 3000 | -55 ~ 175 | DO-214AB |
| SMDJ10CA | Alpha & Omega Semiconductor Inc. | Active | 10 | 11.1 | 17 | 176.5 | 3000 | -55 ~ 150 | DO-214AB |
| SMDJ10CA-T7 | Littelfuse | Active | 10 | 11.1 | 17 | 176.5 | 3000 | -65 ~ 150 | DO-214AB |
| SMCJ10CA | Fairchild Semiconductor | Active | 10 | 11.1 | 17 | 88.3 | 1500 | -55 ~ 150 | DO-214AB |
| SMCJ10CA-TP | Micro Commercial Co | Active | 10 | 11.1 | 17 | 88.3 | 1500 | -55 ~ 175 | DO-214AB |
| SMCJ11CA-13-F | Diodes Incorporated | Active | 11 | 12.2 | 18.2 | 82.4 | 1500 | -55 ~ 150 | DO-214AB |
| TPSMC12CA | Littelfuse Inc. | Active | 10.2 | 11.4 | 16.7 | 91 | 1500 | -55 ~ 150 | DO-214AB |
| TPSMC13CA | Littelfuse Inc. | Active | 11.1 | 12.4 | 18.2 | 84.6 | 1500 | -55 ~ 150 | DO-214AB |
Engineering Selection Recommendations
For Direct Replacement (Identical Electrical Performance): Select SMLJ10CA, SMDJ10CA, SMDJ10CA-T7, or SMLJ10CA-TP. These parts maintain the full 176.4A peak pulse current and 3000W power dissipation of the original CD214L-T10CALF. All are active products with ROHS3 compliance. SMLJ10CA-TP and SMDJ10CA-T7 offer extended upper operating temperature limits (-55°C to 175°C and -65°C to 150°C respectively), providing additional thermal margin in demanding applications.
For Current-Limited Applications: SMCJ10CA and SMCJ10CA-TP are suitable when circuit design accommodates reduced peak pulse current (88.3A) and power dissipation (1500W). These parts maintain identical voltage ratings and package form factor. SMCJ10CA-TP provides extended temperature range to 175°C.
For Voltage-Shifted Applications: SMCJ11CA-13-F, TPSMC12CA, and TPSMC13CA introduce voltage deviations (11V to 11.1V standoff, 16.7V to 18.2V clamping). These are acceptable only when circuit protection thresholds permit the voltage shift. TPSMC12CA and TPSMC13CA carry automotive-grade qualification (AEC-Q101) and are suitable for automotive applications requiring this certification.
Compliance Considerations: All substitute parts listed are ROHS3 compliant and carry EAR99 ECCN classification, matching the original part's regulatory status. Moisture sensitivity level is uniformly rated at MSL 1 (Unlimited) across all options.
Frequently Asked Questions (FAQ)
Q: Can SMCJ10CA replace CD214L-T10CALF in all applications? A: SMCJ10CA maintains voltage ratings and package compatibility but provides only 88.3A peak pulse current versus the original 176.4A. Substitution is valid only if circuit design accommodates this 50% reduction in current handling capability and the corresponding 1500W power dissipation limit.
Q: What is the difference between SMLJ10CA and SMDJ10CA? A: Both are direct electrical equivalents with identical 10V standoff, 17V clamping, 176.4A peak pulse, and 3000W power ratings. SMLJ10CA is manufactured by Bourns Inc.; SMDJ10CA is manufactured by Alpha & Omega Semiconductor Inc. Selection depends on supplier availability and procurement preferences.
Q: Are automotive-grade parts (TPSMC12CA, TPSMC13CA) interchangeable with standard parts? A: Automotive-grade parts carry AEC-Q101 qualification and are suitable for automotive applications. However, they introduce voltage deviations: TPSMC12CA has 10.2V standoff (vs. 10V) and 16.7V clamping (vs. 17V); TPSMC13CA has 11.1V standoff and 18.2V clamping. Use only when circuit protection thresholds accommodate these shifts.
Q: Does packaging format affect substitution? A: All listed substitutes use DO-214AB (SMC) package, ensuring mechanical and footprint compatibility. Tape & Reel (TR) and Bulk packaging options are available across different manufacturers. Packaging format does not affect electrical performance; selection depends on procurement and assembly requirements.
Q: Why is CD214L-T10CALF marked obsolete? A: Obsolete status indicates the part is no longer manufactured by Bourns Inc. Active equivalent parts from multiple manufacturers ensure continued design support and supply chain continuity. Direct equivalents like SMLJ10CA provide identical performance with active product status.
Q: What temperature range should I select for extended thermal applications? A: SMLJ10CA-TP and SMDJ10CA-T7 extend the upper operating temperature to 175°C and 150°C respectively, compared to the original 150°C limit. SMDJ10CA-T7 also extends the lower limit to -65°C. Select these variants for applications requiring enhanced thermal performance.
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