CD214C-T64CALF Equivalent & Substitute Parts

Part Overview

The CD214C-T64CALF is a transient voltage suppressor (TVS) diode manufactured by Bourns Inc., classified as a unidirectional Zener-type device in the DO-214AB (SMC) surface mount package. This component is rated for 64V reverse standoff voltage with a 103V maximum clamping voltage and 14.6A peak pulse current, delivering 1500W peak pulse power for general-purpose transient protection applications.

The CD214C-T64CALF is currently listed as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or repair requirements for systems utilizing this component.

Key Parameters

Parameter	Value
Manufacturer Part Number	CD214C-T64CALF
Manufacturer	Bourns Inc.
Category	Transient Voltage Suppressors (TVS)
Type	Zener
Voltage - Reverse Standoff (Typ)	64V
Voltage - Breakdown (Min)	71.1V
Voltage - Clamping (Max) @ Ipp	103V
Current - Peak Pulse (10/1000µs)	14.6A
Power - Peak Pulse	1500W
Operating Temperature	-55°C ~ 150°C
Mounting Type	Surface Mount
Package / Case	DO-214AB, SMC
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the CD214C-T64CALF is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Voltage - Reverse Standoff: 64V (±tolerance)
Voltage - Clamping (Max) @ Ipp: 103V (±tolerance)
Current - Peak Pulse (10/1000µs): 14.6A minimum
Package / Case: DO-214AB (SMC)
Mounting Type: Surface Mount
Type: Zener, Bidirectional Channels: 1

Substitution Categories:

Direct Equivalents meet all primary criteria with identical or functionally equivalent electrical specifications and active product status. These parts are suitable for direct replacement without circuit redesign.

Similar Substitutes maintain the same voltage ratings and package but may differ in peak pulse current capacity or power dissipation. These parts are suitable when the application can accommodate higher current handling or power ratings.

Parameter Comparison

Parameter	CD214C-T64CALF (Main)	SMCJ64CA (Meritek)	SMCJ64CA-HR (Littelfuse)	SMCJ64CA-HRA (Littelfuse)	SMCJ64CA-HRAT7 (Littelfuse)	SMCJ64CA-TP (MCC)	5.0SMDJ64CA (MDE)	SMDJ64CA (AOS)
Voltage - Reverse Standoff (Typ)	64V	64V	64V	64V	64V	64V	64V	64V
Voltage - Breakdown (Min)	71.1V	71.1V	71.1V	71.1V	71.1V	71.1V	71.1V	71.1V
Voltage - Clamping (Max) @ Ipp	103V	103V	103V	103V	103V	103V	103V	103V
Current - Peak Pulse (10/1000µs)	14.6A	14.56A	14.6A	14.6A	14.6A	14.6A	48.6A	29.2A
Power - Peak Pulse	1500W	1500W	1500W	1500W	1500W	1500W	5000W	3000W
Operating Temperature	-55°C ~ 150°C	-55°C ~ 150°C	-65°C ~ 150°C	-65°C ~ 150°C	-65°C ~ 150°C	-55°C ~ 175°C	-55°C ~ 150°C	-55°C ~ 150°C
Package / Case	DO-214AB, SMC	DO-214AB (SMC)	DO-214AB (SMCJ)	DO-214AB (SMCJ)	DO-214AB (SMCJ)	DO-214AB (SMC)	DO-214AB (SMCJ)	DO-214AB (SMC)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Direct Replacement (Preferred):

SMCJ64CA (Meritek) is the primary direct equivalent. This part maintains identical voltage specifications (64V standoff, 103V clamping), equivalent peak pulse current (14.56A), and matching 1500W power rating. The part is in active production status with substantial inventory availability (9,881 pcs). ROHS3 compliance and MSL 1 rating match the original specification.

SMCJ64CA-HR, SMCJ64CA-HRA, and SMCJ64CA-HRAT7 (all Littelfuse Inc., SMCJ series) are functionally equivalent alternatives. These parts maintain identical electrical specifications with 14.6A peak pulse current and 1500W power dissipation. All three variants are in active production. The extended operating temperature range (-65°C ~ 150°C) provides additional margin compared to the original -55°C ~ 150°C specification. ROHS3 compliance and MSL 1 rating are maintained.

SMCJ64CA-TP (Micro Commercial Co) is an active substitute with identical electrical parameters and extended upper operating temperature limit (-55°C ~ 175°C). This part offers thermal margin for applications requiring higher ambient temperature tolerance.

Higher Power Alternatives (When Application Permits):

5.0SMDJ64CA (MDE Semiconductor Inc.) maintains the same voltage ratings and package but provides significantly higher peak pulse current (48.6A) and power dissipation (5000W). This part is suitable for applications where transient energy levels exceed the original 1500W specification. Active production status and ROHS3 compliance are confirmed.

SMDJ64CA (Alpha & Omega Semiconductor Inc.) provides intermediate power handling (3000W, 29.2A peak pulse current) while maintaining voltage specifications and package compatibility. This part offers a middle ground between the original 1500W rating and the 5000W alternative. Active production status and ROHS3 compliance are confirmed.

All substitute parts are ROHS3 compliant and carry MSL 1 (unlimited moisture sensitivity) ratings, ensuring compatibility with standard PCB assembly and storage practices.

Frequently Asked Questions (FAQ)

Q: Can SMCJ64CA-HR replace CD214C-T64CALF directly in the circuit?

A: Yes. SMCJ64CA-HR maintains identical voltage specifications (64V standoff, 103V clamping) and equivalent peak pulse current (14.6A). The extended operating temperature range (-65°C vs. -55°C minimum) provides additional design margin. No circuit modifications are required.

Q: What is the difference between SMCJ64CA and SMCJ64CA-HR?

A: Both parts share identical electrical specifications. SMCJ64CA-HR is manufactured by Littelfuse Inc. with the SMCJ-HR series designation and offers an extended lower operating temperature limit (-65°C vs. -55°C). SMCJ64CA is manufactured by Meritek. Selection depends on supplier availability and temperature requirements.

Q: Can I use 5.0SMDJ64CA or SMDJ64CA as substitutes?

A: Yes, both parts are suitable substitutes. These parts maintain the same voltage ratings and package but provide higher peak pulse current and power dissipation. 5.0SMDJ64CA delivers 5000W (48.6A), while SMDJ64CA delivers 3000W (29.2A). Use these alternatives when the application requires higher transient energy handling than the original 1500W specification. No circuit modifications are necessary; the higher ratings provide additional protection margin.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (unlimited) moisture sensitivity ratings, matching the original CD214C-T64CALF specification.

Q: Does the DO-214AB package differ between manufacturers?

A: No. All substitute parts use the DO-214AB (SMC) surface mount package, ensuring mechanical and electrical compatibility with the original PCB layout. No footprint modifications are required.

Q: Why is CD214C-T64CALF listed as obsolete?

A: The original part is no longer manufactured by Bourns Inc. Multiple active alternatives from other manufacturers provide equivalent or superior electrical performance, making substitution straightforward for ongoing production and repair applications.

Q: Which substitute offers the best inventory availability?

A: SMDJ64CA (Alpha & Omega Semiconductor Inc.) has the highest inventory level at 101,300 pcs. SMCJ64CA (Meritek) provides 9,881 pcs. Both parts are suitable direct replacements with active production status.

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