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CD214C-T6.0ALF Equivalent & Substitute Parts
Part Overview
The CD214C-T6.0ALF is a 6V unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Bourns Inc. in SMC (DO-214AB) surface mount package. This component is rated for 10.3V clamping voltage and 145.6A peak pulse current with 1500W peak pulse power dissipation, designed for general-purpose transient voltage protection applications. The part is currently obsolete, making equivalent and substitute parts necessary for ongoing design support and production requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Voltage - Reverse Standoff (Typ) | 6V |
| Voltage - Breakdown (Min) | 6.67V |
| Voltage - Clamping (Max) @ Ipp | 10.3V |
| Current - Peak Pulse (10/1000µs) | 145.6A |
| Power - Peak Pulse | 1500W |
| Type | Zener |
| Unidirectional Channels | 1 |
| Mounting Type | Surface Mount |
| Package / Case | DO-214AB, SMC |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the CD214C-T6.0ALF is determined by strict electrical and mechanical parameter matching within the TVS diode category. The critical parameters that define substitutability are:
- Voltage - Reverse Standoff: 6V (exact match required)
- Voltage - Clamping (Max) @ Ipp: 10.3V (exact match required)
- Current - Peak Pulse (10/1000µs): 145.6A minimum (equal or higher acceptable)
- Power - Peak Pulse: 1500W minimum (equal or higher acceptable)
- Package / Case: DO-214AB, SMC (exact match required)
- Mounting Type: Surface Mount (exact match required)
- Type: Zener, Unidirectional (exact match required)
Substitute parts are classified into two categories:
Direct Substitutes: Parts with identical electrical specifications and package configuration, manufactured by different suppliers. These provide pin-for-pin and functional equivalence.
Similar Substitutes: Parts meeting all critical electrical parameters with minor variations in peak pulse current or clamping voltage within acceptable engineering tolerances, or with enhanced temperature range specifications.
Parameter Comparison
| Part Number | Manufacturer | Voltage - Reverse Standoff | Voltage - Clamping (Max) @ Ipp | Current - Peak Pulse (10/1000µs) | Power - Peak Pulse | Package | Product Status | Operating Temperature |
|---|---|---|---|---|---|---|---|---|
| CD214C-T6.0ALF | Bourns Inc. | 6V | 10.3V | 145.6A | 1500W | DO-214AB, SMC | Obsolete | -55°C ~ 150°C |
| SMCJ6.0A | Taiwan Semiconductor Corporation | 6V | 10.3V | 152A | 1500W | DO-214AB, SMC | Active | -55°C ~ 150°C |
| SMCJ6.0A-13-F | Diodes Incorporated | 6V | 10.3V | 145.6A | 1500W | DO-214AB, SMC | Active | -55°C ~ 150°C |
| SMCJ6.0A-HR | Littelfuse Inc. | 6V | 10.3V | 145.7A | 1500W | DO-214AB, SMC | Active | -65°C ~ 150°C |
| SMCJ6.0A-HRA | Littelfuse Inc. | 6V | 10.3V | 145.7A | 1500W | DO-214AB, SMC | Active | -65°C ~ 150°C |
| SMCJ6.0A-HRAT7 | Littelfuse Inc. | 6V | 10.3V | 145.7A | 1500W | DO-214AB, SMC | Active | -65°C ~ 150°C |
| SMCJ6.0A-TR | STMicroelectronics | 6V | 13.7V | 730A (8/20µs) | 1500W | DO-214AB, SMC | Active | -55°C ~ 150°C |
| SMCJ6V0A | Fairchild Semiconductor | 6V | 10.3V | 145.6A | 1500W | DO-214AB, SMC | Active | Not specified |
| SMDJ6.0A | Alpha & Omega Semiconductor Inc. | 6V | 10.3V | 291.3A | 3000W | DO-214AB, SMC | Active | -55°C ~ 150°C |
| SMDJ6.0A-T7 | Littelfuse Inc. | 6V | 10.3V | 291.3A | 3000W | DO-214AB, SMC | Active | -65°C ~ 150°C |
Engineering Selection Recommendations
Primary Substitutes (Direct Equivalents):
SMCJ6.0A (Taiwan Semiconductor Corporation) and SMCJ6.0A-13-F (Diodes Incorporated) are the preferred direct substitutes. Both maintain identical reverse standoff voltage (6V), clamping voltage (10.3V), and power rating (1500W) with active product status and full RoHS3 compliance. SMCJ6.0A offers the highest inventory availability (26,213 pcs) and is manufactured by an active supplier. SMCJ6.0A-13-F provides equivalent performance with Tape & Reel packaging.
Secondary Substitutes (Enhanced Temperature Range):
SMCJ6.0A-HR, SMCJ6.0A-HRA, and SMCJ6.0A-HRAT7 (all Littelfuse Inc.) provide extended operating temperature range (-65°C to 150°C versus -55°C to 150°C) with marginally higher peak pulse current (145.7A versus 145.6A). These are suitable for applications requiring enhanced low-temperature performance while maintaining all other electrical specifications.
Higher Power Alternatives:
SMDJ6.0A (Alpha & Omega Semiconductor Inc.) and SMDJ6.0A-T7 (Littelfuse Inc.) provide doubled power dissipation capability (3000W versus 1500W) and doubled peak pulse current (291.3A versus 145.6A) while maintaining identical voltage specifications. These are suitable for applications requiring enhanced transient energy absorption. SMDJ6.0A-T7 offers extended temperature range (-65°C to 150°C).
Not Recommended:
SMCJ6.0A-TR (STMicroelectronics) exhibits elevated clamping voltage (13.7V versus 10.3V) and significantly higher peak pulse current (730A at 8/20µs pulse width), representing a different electrical class unsuitable for direct substitution.
SMCJ6V0A (Fairchild Semiconductor) lacks specified operating temperature range, limiting its suitability for temperature-critical applications.
Frequently Asked Questions (FAQ)
Q: Can SMCJ6.0A directly replace CD214C-T6.0ALF without circuit modification?
A: Yes. SMCJ6.0A maintains identical reverse standoff voltage (6V), clamping voltage (10.3V), and power rating (1500W) with the same DO-214AB SMC package. No circuit modification is required.
Q: What is the difference between SMCJ6.0A and SMDJ6.0A?
A: Both maintain identical voltage specifications (6V standoff, 10.3V clamping). SMDJ6.0A provides doubled power dissipation (3000W versus 1500W) and doubled peak pulse current (291.3A versus 145.6A). Selection depends on transient energy requirements in the application.
Q: Why does SMCJ6.0A-TR show 13.7V clamping voltage instead of 10.3V?
A: SMCJ6.0A-TR represents a different electrical specification class within the SMCJ6.0 series. The elevated clamping voltage makes it unsuitable as a direct substitute for CD214C-T6.0ALF, which requires 10.3V maximum clamping.
Q: Are all substitute parts RoHS3 compliant?
A: All listed substitute parts are RoHS3 compliant except SMCJ6V0A (Fairchild Semiconductor), for which compliance status is not specified in available data.
Q: Can I use SMCJ6.0A-HR in applications with -55°C minimum operating temperature?
A: Yes. SMCJ6.0A-HR is rated for -65°C to 150°C, which encompasses the -55°C to 150°C range of the original CD214C-T6.0ALF. The extended low-temperature rating provides additional margin.
Q: What packaging options are available for substitute parts?
A: All substitute parts are available in DO-214AB SMC surface mount package. Packaging variants include Tape & Reel (TR) for automated assembly and Bulk for manual handling. Verify packaging selection with supplier based on assembly requirements.
Q: Is inventory availability a factor in part selection?
A: Inventory levels vary significantly. SMCJ6.0A (Taiwan Semiconductor Corporation) offers the highest availability at 26,213 pcs. For time-sensitive applications, verify current stock with suppliers before design finalization.
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