Request Quote
(Ships tomorrow)
CD214C-T10ALF Equivalent & Substitute Parts
Part Overview
The CD214C-T10ALF is a unidirectional 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 with 17V maximum clamping voltage and 88.2A 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 | CD214C-T10ALF |
| Manufacturer | Bourns Inc. |
| Category | Transient Voltage Suppressors (TVS) |
| Type | Zener |
| Unidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 10V |
| Voltage - Breakdown (Min) | 11.1V |
| Voltage - Clamping (Max) @ Ipp | 17V |
| Current - Peak Pulse (10/1000µs) | 88.2A |
| Power - Peak Pulse | 1500W (1.5kW) |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Package / Case | DO-214AB, SMC |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the CD214C-T10ALF is determined by strict electrical and mechanical compatibility criteria:
Primary Substitution Criteria (Must Match):
- Voltage - Reverse Standoff (Typ): 10V
- Voltage - Clamping (Max) @ Ipp: 17V
- Voltage - Breakdown (Min): 11.1V
- Unidirectional Channels: 1
- Package / Case: DO-214AB (SMC)
- Mounting Type: Surface Mount
- Type: Zener
Secondary Compatibility Factors:
- Current - Peak Pulse (10/1000µs): 88.2A nominal (tolerance range acceptable)
- Power - Peak Pulse: 1500W nominal
- Operating Temperature Range: -55°C to 150°C minimum
- RoHS3 Compliance required
Substitute parts are grouped into two categories:
Direct Equivalents (1:1 Replacement): Parts matching all primary criteria with identical electrical performance (SMCJ10A series from Meritek).
Functional Equivalents (Higher Performance): Parts exceeding the CD214C-T10ALF specifications while maintaining voltage compatibility. These include SMDJ10A and SMLJ10A series with doubled power dissipation (3000W) and doubled peak pulse current (176.5A / 176.4A), suitable for applications requiring enhanced transient protection margin.
Upgraded Alternatives: Active production parts from established manufacturers (Littelfuse SMCJ10A-HR, Micro Commercial SMCJ10A-TP) offering improved availability and extended temperature ranges.
Parameter Comparison
| Part Number | Manufacturer | VWM (Typ) | VC (Max) | Ipp (A) | Power (W) | Temp Range | Status | Package |
|---|---|---|---|---|---|---|---|---|
| CD214C-T10ALF | Bourns Inc. | 10V | 17V | 88.2 | 1500 | -55 to 150°C | Obsolete | DO-214AB |
| SMCJ10A | Meritek | 10V | 17V | 88.24 | 1500 | -55 to 150°C | Active | DO-214AB |
| SMCJ10A-HR | Littelfuse Inc. | 10V | 17V | 88.3 | 1500 | -65 to 150°C | Active | DO-214AB |
| SMCJ10A-TP | Micro Commercial Co | 10V | 17V | 88.3 | 1500 | -55 to 175°C | Active | DO-214AB |
| SMDJ10A | Alpha & Omega Semiconductor Inc. | 10V | 17V | 176.5 | 3000 | -55 to 150°C | Active | DO-214AB |
| SMDJ10A-T7 | Littelfuse Inc. | 10V | 17V | 176.5 | 3000 | -65 to 150°C | Active | DO-214AB |
| SMLJ10A-TP | Micro Commercial Co | 10V | 17V | 176.4 | 3000 | -55 to 175°C | Active | DO-214AB |
| TPSMC12A | Littelfuse | 10.2V | 16.7V | 91 | 1500 | -55 to 150°C | Active | DO-214AB |
| TPSMC13A | Littelfuse Inc. | 11.1V | 18.2V | 84.6 | 1500 | -55 to 150°C | Active | DO-214AB |
Engineering Selection Recommendations
For Direct Replacement (Identical Performance): Select SMCJ10A from Meritek or SMCJ10A-HR from Littelfuse. Both maintain exact electrical specifications matching the CD214C-T10ALF. Littelfuse SMCJ10A-HR offers extended lower temperature rating (-65°C vs -55°C) and active product status with established supply chain support.
For Enhanced Protection Margin: SMDJ10A (Alpha & Omega Semiconductor) or SMDJ10A-T7 (Littelfuse) provide doubled peak pulse current (176.5A) and power dissipation (3000W) while maintaining identical voltage clamping characteristics. These are suitable for applications where transient stress margins require improvement or where future design iterations may demand higher protection levels.
For Extended Temperature Applications: SMCJ10A-TP (Micro Commercial Co) extends the upper operating temperature to 175°C while maintaining 1500W power rating and 88.3A peak pulse current. SMDJ10A-T7 combines extended lower temperature (-65°C) with 3000W power capability.
For Automotive Applications: TPSMC12A and TPSMC13A from Littelfuse carry AEC-Q101 qualification and automotive-grade designation. These are suitable only if the application permits slight voltage parameter variation (TPSMC12A: 10.2V standoff, 16.7V clamp; TPSMC13A: 11.1V standoff, 18.2V clamp).
All recommended substitutes maintain ROHS3 compliance, MSL 1 rating, and DO-214AB package compatibility with the original CD214C-T10ALF.
Frequently Asked Questions (FAQ)
Q: Can SMDJ10A or SMLJ10A-TP be used as direct replacements for CD214C-T10ALF?
A: Yes, with design consideration. These parts maintain identical voltage specifications (10V standoff, 17V clamp) and package (DO-214AB). However, they provide doubled peak pulse current (176.5A vs 88.2A) and power dissipation (3000W vs 1500W). They are electrically compatible but represent an upgrade in transient protection capability. No circuit modification is required.
Q: What is the difference between SMCJ10A and SMDJ10A series?
A: Both maintain identical voltage ratings (10V standoff, 17V clamp) and DO-214AB packaging. The primary difference is peak pulse current and power dissipation: SMCJ10A handles 88.2A / 1500W, while SMDJ10A handles 176.5A / 3000W. Selection depends on transient stress levels in the application.
Q: Are TPSMC12A and TPSMC13A suitable substitutes?
A: These are not direct equivalents. TPSMC12A operates at 10.2V standoff with 16.7V clamp, and TPSMC13A operates at 11.1V standoff with 18.2V clamp. Use only if the application circuit tolerates these voltage variations. Both carry automotive qualification (AEC-Q101), making them suitable for automotive designs where voltage tolerance is acceptable.
Q: Does package compatibility guarantee electrical interchangeability?
A: No. While all listed substitutes use DO-214AB (SMC) packaging, electrical interchangeability requires matching voltage specifications (standoff, breakdown, and clamping voltages). Peak pulse current and power dissipation can exceed the original specification without causing circuit failure, but lower ratings are not acceptable.
Q: Which substitute offers the best long-term availability?
A: Littelfuse SMCJ10A-HR and SMDJ10A-T7 offer the strongest availability outlook due to Littelfuse's established market position and active product status. Micro Commercial Co SMCJ10A-TP and SMLJ10A-TP provide alternative sourcing with extended temperature ranges (-55°C to 175°C).
Q: Is RoHS3 compliance maintained across all substitutes?
A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (unlimited) moisture sensitivity rating, matching the original CD214C-T10ALF environmental specifications.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts