CD214C-T13ALF Equivalent & Substitute Parts

Part Overview

The CD214C-T13ALF is a transient voltage suppressor (TVS) diode manufactured by Bourns Inc., designed for general-purpose overvoltage protection in surface mount applications. This unidirectional Zener diode features a 13V reverse standoff voltage with 21.5V clamping capability and 69.7A peak pulse current handling in a DO-214AB (SMC) package. The part is currently obsolete, making equivalent and substitute parts necessary for ongoing design support and component sourcing.

Key Parameters

Parameter	Value
Manufacturer Part Number	CD214C-T13ALF
Manufacturer	Bourns Inc.
Category	Transient Voltage Suppressors (TVS)
Type	Zener
Unidirectional Channels	1
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
Operating Temperature Range	-55°C to 150°C (TJ)
Package / Case	DO-214AB, SMC
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the CD214C-T13ALF are grouped based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Critical Matching Parameters:

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

Substitution Categories:

Direct Equivalents maintain identical electrical specifications (69.7A peak pulse current, 1500W peak power) with the same package and voltage ratings. These parts are pin-compatible and functionally interchangeable.

Upgrade Alternatives provide enhanced specifications (automotive-grade qualification, extended temperature range to -65°C) while maintaining core voltage and package compatibility. These are suitable for applications requiring higher reliability standards.

Higher-Current Alternatives feature increased peak pulse current (233A) and power dissipation (5000W) with identical voltage ratings and package. These are suitable for applications requiring greater transient energy absorption while maintaining the same clamping voltage.

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff (Typ)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Power - Peak Pulse	Operating Temperature	Package	Product Status
CD214C-T13ALF	Bourns Inc.	13V	21.5V	69.7A	1500W	-55°C to 150°C	DO-214AB, SMC	Obsolete
SMCJ13A	ANBON SEMICONDUCTOR (INT'L) LIMITED	13V	21.5V	69.7A	1500W	-55°C to 150°C	DO-214AB, SMC	Active
SZ1SMC13AT3G	Littelfuse Inc.	13V	21.5V	69.7A	1500W	-65°C to 150°C	DO-214AB, SMC	Active
5.0SMDJ13A	MDE Semiconductor Inc	13V	21.5V	233A	5000W	-55°C to 150°C	DO-214AB, SMC	Active
5.0SMDJ13A-T7	Littelfuse Inc.	13V	21.5V	233A	5000W	-65°C to 150°C	DO-214AB, SMC	Active
SMCJ13A-13-F	Diodes Incorporated	13V	21.5V	69.7A	1500W	-55°C to 150°C	DO-214AB, SMC	Active
SMCJ13A-HR	Littelfuse Inc.	13V	21.5V	69.8A	1500W	-65°C to 150°C	DO-214AB, SMC	Active
SMCJ13A-HRA	Littelfuse Inc.	13V	21.5V	69.8A	1500W	-65°C to 150°C	DO-214AB, SMC	Active
SMCJ13A-HRAT7	Littelfuse Inc.	13V	21.5V	69.8A	1500W	-65°C to 150°C	DO-214AB, SMC	Active

Engineering Selection Recommendations

Direct Replacement (Preferred for Standard Applications): SMCJ13A (ANBON SEMICONDUCTOR) is the primary direct equivalent. It maintains identical electrical specifications and package configuration with active product status and established supply availability (20,200 pcs in stock). ROHS3 compliance and MSL 1 rating match the original specification.

Upgrade Selection (Enhanced Reliability): SZ1SMC13AT3G (Littelfuse Inc.) provides automotive-grade qualification (AEC-Q101) with extended operating temperature range (-65°C to 150°C). This option is suitable for applications requiring higher reliability standards or extended temperature operation while maintaining electrical compatibility.

Higher-Current Capability (Increased Transient Protection): 5.0SMDJ13A and 5.0SMDJ13A-T7 offer 233A peak pulse current and 5000W peak power dissipation. These parts maintain identical voltage ratings and package compatibility but provide enhanced transient energy absorption. The Littelfuse variant (5.0SMDJ13A-T7) includes extended temperature range (-65°C to 150°C) and is suitable for demanding telecom applications.

Alternative Manufacturers: SMCJ13A-13-F (Diodes Incorporated) and Littelfuse SMCJ-HR series variants (SMCJ13A-HR, SMCJ13A-HRA, SMCJ13A-HRAT7) provide equivalent or enhanced specifications from established manufacturers with active product status.

Frequently Asked Questions (FAQ)

Q: Can SMCJ13A directly replace CD214C-T13ALF? A: Yes. SMCJ13A maintains identical voltage ratings (13V standoff, 21.5V clamping), peak pulse current (69.7A), power dissipation (1500W), operating temperature range (-55°C to 150°C), and DO-214AB SMC package configuration. It is a direct functional equivalent.

Q: What is the difference between 1500W and 5000W variants? A: The 5000W variants (5.0SMDJ13A series) handle higher peak pulse current (233A vs. 69.7A) and greater transient energy absorption. Voltage ratings remain identical. Selection depends on circuit transient energy requirements. Higher-current variants provide additional margin for severe transient events.

Q: Why do some parts have extended temperature range (-65°C to 150°C)? A: Extended lower temperature limits (-65°C vs. -55°C) are provided by automotive-grade and high-reliability variants (SZ1SMC13AT3G, 5.0SMDJ13A-T7, SMCJ13A-HR series). These are suitable for applications requiring operation in extreme cold environments or automotive specifications.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 rating, matching the original CD214C-T13ALF specification.

Q: What is the difference between SMCJ13A-HR, SMCJ13A-HRA, and SMCJ13A-HRAT7? A: These are variants within the Littelfuse SMCJ-HR high-reliability series. All maintain identical electrical specifications (13V standoff, 21.5V clamping, 69.8A peak pulse, 1500W power) and extended temperature range (-65°C to 150°C). Suffix designations indicate packaging and tape configuration options. Selection is based on procurement and assembly requirements.

Q: Can I use a higher-current part (5.0SMDJ13A) in place of the original? A: Yes. Higher-current variants are backward-compatible for applications using the original 69.7A part. The identical voltage ratings and package ensure mechanical and electrical compatibility. The increased current capability provides additional transient protection margin without affecting circuit operation.

Q: What packaging options are available? A: All substitute parts use DO-214AB (SMC) surface mount package. Packaging formats include Cut Tape (CT), Digi-Reel, and Tape & Reel (TR) options depending on manufacturer and part number variant. Verify specific packaging availability with supplier.

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