Request Quote
(Ships tomorrow)
CD214C-T11ALF Equivalent & Substitute Parts
Part Overview
The CD214C-T11ALF 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 an 11V reverse standoff voltage with an 18.2V maximum clamping voltage and 82.4A 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 | CD214C-T11ALF |
| Manufacturer | Bourns Inc. |
| Category | Transient Voltage Suppressors (TVS) |
| Type | Zener |
| Unidirectional Channels | 1 |
| Voltage - Reverse Standoff (Typ) | 11V |
| Voltage - Breakdown (Min) | 12.2V |
| Voltage - Clamping (Max) @ Ipp | 18.2V |
| Current - Peak Pulse (10/1000µs) | 82.4A |
| Power - Peak Pulse | 1500W |
| Operating Temperature Range | -55°C to 150°C (TJ) |
| Package / Case | DO-214AB, SMC |
| Mounting Type | Surface Mount |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the CD214C-T11ALF are grouped based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:
- Voltage - Reverse Standoff: 11V (exact match required)
- Voltage - Breakdown (Min): 12.2V (exact match required)
- Voltage - Clamping (Max) @ Ipp: 18.2V (exact match required)
- Package / Case: DO-214AB, SMC (exact match required)
- Mounting Type: Surface Mount (exact match required)
- Unidirectional Channels: 1 (exact match required)
Substitute parts are categorized into two groups:
Group 1: Direct Electrical Equivalents (1500W Peak Pulse Power) Parts with identical electrical specifications and 1500W peak pulse power rating. These provide direct functional replacement with matching current handling (82.5A).
Group 2: Enhanced Performance Alternatives (3000W Peak Pulse Power) Parts with identical voltage specifications but higher peak pulse power rating (3000W) and approximately double the peak pulse current (164.8A to 164.9A). These provide superior transient protection capability while maintaining voltage compatibility.
Parameter Comparison
| Parameter | CD214C-T11ALF (Bourns) | SMCJ11A (Fairchild) | SMCJ11A-HR (Littelfuse) | SMCJ11A-HRA (Littelfuse) | SMCJ11A-TP (MCC) | SMDJ11A (AOS) | SMDJ11A-T7 (Littelfuse) | SMLJ11A-TP (MCC) |
|---|---|---|---|---|---|---|---|---|
| Voltage - Reverse Standoff (Typ) | 11V | 11V | 11V | 11V | 11V | 11V | 11V | 11V |
| Voltage - Breakdown (Min) | 12.2V | 12.2V | 12.2V | 12.2V | 12.2V | 12.2V | 12.2V | 12.2V |
| Voltage - Clamping (Max) @ Ipp | 18.2V | 18.2V | 18.2V | 18.2V | 18.2V | 18.2V | 18.2V | 18.2V |
| Current - Peak Pulse (10/1000µs) | 82.4A | 82.5A | 82.5A | 82.5A | 82.5A | 164.9A | 164.8A | 164.8A |
| Power - Peak Pulse | 1500W | 1500W | 1500W | 1500W | 1500W | 3000W | 3000W | 3000W |
| Operating Temperature Range | -55°C to 150°C | -55°C to 150°C | -65°C to 150°C | -65°C to 150°C | -55°C to 175°C | -55°C to 150°C | -65°C to 150°C | -55°C to 175°C |
| Package / Case | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Active |
| RoHS Status | ROHS3 Compliant | Not specified | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | Not specified |
Engineering Selection Recommendations
For Direct Replacement (1500W Power Rating):
SMCJ11A (Fairchild Semiconductor) is the primary direct equivalent, offering identical electrical specifications and power rating. This part is in active production status with 12,200 units in stock, ensuring long-term availability.
SMCJ11A-HR and SMCJ11A-HRA (Littelfuse Inc.) provide direct electrical equivalents with extended lower operating temperature range (-65°C vs. -55°C) and ROHS3 compliance. These are suitable for applications requiring enhanced cold-temperature performance.
SMCJ11A-TP (Micro Commercial Co) offers direct electrical equivalence with extended upper operating temperature range (-55°C to 175°C) and ROHS3 compliance, suitable for high-temperature applications.
For Enhanced Protection (3000W Power Rating):
SMDJ11A (Alpha & Omega Semiconductor Inc.) and SMDJ11A-T7 (Littelfuse Inc.) provide double the peak pulse power rating (3000W) with approximately double the peak pulse current capability (164.8A to 164.9A). These parts maintain identical voltage specifications and are suitable for applications requiring higher transient energy absorption. SMDJ11A-T7 includes extended lower operating temperature range (-65°C).
SMLJ11A-TP (Micro Commercial Co) offers 3000W peak pulse power with extended upper operating temperature range (-55°C to 175°C).
All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing processes.
Frequently Asked Questions (FAQ)
Q: Can SMDJ11A or SMDJ11A-T7 be used as direct replacements for CD214C-T11ALF?
A: Yes. These parts maintain identical voltage specifications (11V standoff, 12.2V breakdown, 18.2V clamping) and package format (DO-214AB, SMC). The higher peak pulse power rating (3000W vs. 1500W) and current capability (164.8A vs. 82.4A) provide enhanced transient protection without compromising compatibility. Circuit board layout and thermal management remain unchanged.
Q: What is the difference between SMCJ11A and SMDJ11A series?
A: Both series are unidirectional TVS diodes with identical voltage ratings. The primary difference is peak pulse power handling: SMCJ11A is rated for 1500W peak pulse power with 82.5A peak pulse current, while SMDJ11A is rated for 3000W peak pulse power with 164.8A peak pulse current. Selection depends on the transient energy levels expected in the application.
Q: Are all substitute parts RoHS compliant?
A: SMCJ11A-HR, SMCJ11A-HRA, SMCJ11A-TP, SMDJ11A, SMDJ11A-T7, and the original CD214C-T11ALF are all ROHS3 compliant. SMCJ11A (Fairchild) and SMLJ11A-TP (MCC) do not specify RoHS status in available documentation. Verify RoHS compliance with the manufacturer if required for your application.
Q: Which substitute part has the widest operating temperature range?
A: SMCJ11A-TP and SMLJ11A-TP both offer -55°C to 175°C operating temperature range, providing the widest upper temperature limit among available substitutes. SMCJ11A-HR and SMCJ11A-HRA extend the lower temperature limit to -65°C.
Q: Can I use SMCJ11A-TP in place of SMDJ11A-T7?
A: No. While both are active production parts in DO-214AB packages, they have different power ratings and current capabilities. SMCJ11A-TP is rated for 1500W peak pulse power (82.5A), while SMDJ11A-T7 is rated for 3000W peak pulse power (164.8A). Selection must match the transient protection requirements of the circuit.
Q: What packaging options are available for these substitutes?
A: Substitute parts are available in Bulk and Tape & Reel (TR) packaging. SMCJ11A is supplied in Bulk. SMCJ11A-HR, SMCJ11A-HRA, SMDJ11A-T7, and SMLJ11A-TP are supplied in Tape & Reel. SMCJ11A-TP is available in Tape & Reel. Packaging selection depends on manufacturing volume and assembly process requirements.
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