CD214C-T13CALF Equivalent & Substitute Parts

Part Overview

The CD214C-T13CALF is a transient voltage suppressor (TVS) diode manufactured by Bourns Inc., designed for general-purpose overvoltage protection in surface mount applications. This bidirectional Zener diode features a 13V reverse standoff voltage with 21.5V maximum clamping voltage and 69.7A 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.

Key Parameters

Parameter	Value
Manufacturer Part Number	CD214C-T13CALF
Manufacturer	Bourns Inc.
Category	Transient Voltage Suppressors (TVS)
Type	Zener
Package / Case	DO-214AB, SMC
Voltage - Reverse Standoff (Typ)	13V
Voltage - Breakdown (Min)	14.4V
Voltage - Clamping (Max) @ Ipp	21.5V
Current - Peak Pulse (10/1000µs)	69.7A
Power - Peak Pulse	1500W (1.5kW)
Operating Temperature Range	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the CD214C-T13CALF is determined by strict electrical and mechanical parameter matching within the TVS diode category. The following criteria define valid substitutes:

Critical Parameters for Substitution:

Voltage - Reverse Standoff (Typ): 13V
Voltage - Breakdown (Min): 14.4V
Voltage - Clamping (Max) @ Ipp: 21.5V
Package / Case: DO-214AB, SMC
Mounting Type: Surface Mount
Bidirectional Channels: 1
Type: Zener

Substitution Categories:

Direct Substitutes maintain all critical electrical parameters and identical peak pulse current specifications (69.7A–69.8A range). These parts are functionally interchangeable with no design modifications required.

Similar Substitutes maintain all critical voltage parameters and package specifications but feature higher peak pulse current ratings (233A) and correspondingly higher power dissipation (5000W). These parts provide enhanced transient protection capability and are suitable for applications requiring greater surge handling capacity.

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff (Typ)	Voltage - Breakdown (Min)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Power - Peak Pulse	Operating Temperature	Package / Case	Product Status
CD214C-T13CALF	Bourns Inc.	13V	14.4V	21.5V	69.7A	1500W	-55°C ~ 150°C	DO-214AB, SMC	Obsolete
SMCJ13CA	Fairchild Semiconductor	13V	14.4V	21.5V	69.8A	1500W	-55°C ~ 150°C	DO-214AB, SMC	Active
5.0SMDJ13CA	MDE Semiconductor Inc	13V	14.4V	21.5V	233A	5000W	-55°C ~ 150°C	DO-214AB, SMC	Active
5.0SMDJ13CA-T7	Littelfuse Inc.	13V	14.4V	21.5V	233A	5000W	-65°C ~ 150°C	DO-214AB, SMC	Active
SMCJ13CA-HR	Littelfuse Inc.	13V	14.4V	21.5V	69.8A	1500W	-65°C ~ 150°C	DO-214AB, SMC	Active
SMCJ13CA-HRA	Littelfuse Inc.	13V	14.4V	21.5V	69.8A	1500W	-65°C ~ 150°C	DO-214AB, SMC	Active
SMCJ13CA-HRAT7	Littelfuse Inc.	13V	14.4V	21.5V	69.8A	1500W	-65°C ~ 150°C	DO-214AB, SMC	Active
SMCJ13CA-TP	Micro Commercial Co	13V	14.4V	21.5V	69.8A	1500W	-55°C ~ 175°C	DO-214AB, SMC	Active
SMCJ13CA-TR	STMicroelectronics	13V	14.4V	27.2V	368A (8/20µs)	1500W	-55°C ~ 150°C	DO-214AB, SMC	Active

Engineering Selection Recommendations

For Direct Replacement (Functionally Equivalent):

SMCJ13CA (Fairchild Semiconductor) is the primary direct substitute, offering identical electrical specifications with 69.8A peak pulse current matching the original 69.7A specification. This part is in active production status with full ROHS3 compliance and equivalent operating temperature range (-55°C ~ 150°C).

SMCJ13CA-HR, SMCJ13CA-HRA, and SMCJ13CA-HRAT7 (all Littelfuse Inc.) provide direct electrical equivalence with extended lower temperature rating (-65°C minimum versus -55°C), suitable for applications requiring enhanced cold-temperature performance. All maintain 69.8A peak pulse current and 1500W power dissipation.

SMCJ13CA-TP (Micro Commercial Co) offers direct electrical equivalence with extended upper temperature rating (-55°C ~ 175°C), providing thermal margin for high-ambient applications while maintaining 69.8A peak pulse current specification.

For Enhanced Protection (Higher Surge Capability):

5.0SMDJ13CA (MDE Semiconductor Inc) and 5.0SMDJ13CA-T7 (Littelfuse Inc.) maintain identical voltage parameters but provide 233A peak pulse current and 5000W power dissipation, delivering 3.3× greater transient protection. These parts are suitable for applications experiencing higher surge stress or requiring design margin enhancement. The Littelfuse variant extends lower temperature rating to -65°C.

For Non-Standard Clamping Voltage:

SMCJ13CA-TR (STMicroelectronics) maintains the 13V reverse standoff and 14.4V breakdown specifications but features 27.2V maximum clamping voltage with 368A peak pulse current. This part is suitable only for applications where higher clamping voltage is acceptable and enhanced surge protection is required.

All substitute parts maintain DO-214AB (SMC) surface mount packaging, ensuring mechanical compatibility with existing PCB layouts and assembly processes.

Frequently Asked Questions (FAQ)

Q: Can SMCJ13CA directly replace CD214C-T13CALF without design changes?

A: Yes. SMCJ13CA maintains identical voltage specifications (13V reverse standoff, 14.4V breakdown, 21.5V clamping) and equivalent peak pulse current (69.8A versus 69.7A). Both use DO-214AB (SMC) packaging. No circuit modifications are required.

Q: What is the difference between direct substitutes and similar substitutes?

A: Direct substitutes (SMCJ13CA, SMCJ13CA-HR, SMCJ13CA-TP) maintain identical peak pulse current ratings (69.8A) and power dissipation (1500W). Similar substitutes (5.0SMDJ13CA series) provide 233A peak pulse current and 5000W power dissipation, offering enhanced transient protection but requiring thermal design verification.

Q: Are the Littelfuse SMCJ13CA-HR variants interchangeable with each other?

A: Yes. SMCJ13CA-HR, SMCJ13CA-HRA, and SMCJ13CA-HRAT7 are electrically and mechanically identical, differing only in packaging format designations. All maintain 13V reverse standoff, 21.5V clamping, 69.8A peak pulse current, and -65°C ~ 150°C operating range.

Q: Why does SMCJ13CA-TR show 27.2V clamping voltage instead of 21.5V?

A: SMCJ13CA-TR is a variant with different clamping characteristics. While it maintains the required 13V reverse standoff and 14.4V breakdown specifications, the higher clamping voltage (27.2V) makes it suitable only for applications where this parameter is acceptable. Verify circuit requirements before selection.

Q: Can I use 5.0SMDJ13CA-T7 in place of CD214C-T13CALF?

A: Yes, with design consideration. 5.0SMDJ13CA-T7 maintains all critical voltage parameters and DO-214AB packaging but provides 233A peak pulse current versus 69.7A. This higher capability is compatible with the original application and provides additional transient protection margin. Extended lower temperature rating (-65°C) offers additional environmental coverage.

Q: What is the impact of using SMCJ13CA-TP with its extended temperature range?

A: SMCJ13CA-TP operates from -55°C ~ 175°C versus the original -55°C ~ 150°C. This extended upper temperature rating provides thermal margin for high-ambient or high-power-dissipation applications. Electrical specifications remain identical to the original part.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance, ensuring compatibility with environmental and regulatory requirements equivalent to the original CD214C-T13CALF.

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