CD214L-T64CALF Equivalent & Substitute Parts

Part Overview

The CD214L-T64CALF is a transient voltage suppressor (TVS) diode manufactured by Bourns Inc., designed for general-purpose overvoltage protection applications. This component features a 64V reverse standoff voltage with 103V maximum clamping voltage and 29.2A peak pulse current capability in a surface-mount DO-214AB (SMC) package. The part is currently classified as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for ongoing production and repair applications.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	64	V
Voltage - Breakdown (Min)	71.1	V
Voltage - Clamping (Max) @ Ipp	103	V
Current - Peak Pulse (10/1000µs)	29.2	A
Power - Peak Pulse	3000	W
Operating Temperature Range	-55 to 150	°C
Package / Case	DO-214AB, SMC	—
Type	Zener	—
Bidirectional Channels	1	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the CD214L-T64CALF is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters for Substitution:

Voltage - Reverse Standoff (Typ): 64V
Voltage - Breakdown (Min): 71.1V
Voltage - Clamping (Max) @ Ipp: 103V
Package / Case: DO-214AB, SMC
Type: Zener, Bidirectional (1 channel)
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation:

Current - Peak Pulse (10/1000µs): Substitutes must meet or exceed 29.2A
Power - Peak Pulse: Substitutes must meet or exceed 3000W
Operating Temperature Range: Substitutes must support minimum -55°C to 150°C

Parts are grouped into two categories based on their electrical performance relative to the original specification:

Direct Equivalents maintain identical electrical ratings (29.2A peak pulse current, 3000W peak power).

Higher-Performance Alternatives exceed the original specifications in peak pulse current and/or power dissipation while maintaining all voltage parameters and package compatibility.

Parameter Comparison

Parameter	CD214L-T64CALF (Original)	SMLJ64CA	5.0SMDJ64CA	SMCJ64CA	SMCJ64CA-TP	SMDJ64CA
Manufacturer	Bourns Inc.	Bourns Inc.	MDE Semiconductor Inc	Meritek	Micro Commercial Co	Alpha & Omega Semiconductor Inc.
Product Status	Obsolete	Active	Active	Active	Active	Active
Voltage - Reverse Standoff (Typ)	64V	64V	64V	64V	64V	64V
Voltage - Breakdown (Min)	71.1V	71.1V	71.1V	71.1V	71.1V	71.1V
Voltage - Clamping (Max) @ Ipp	103V	103V	103V	103V	103V	103V
Current - Peak Pulse (10/1000µs)	29.2A	29.2A	48.6A	14.56A	14.6A	29.2A
Power - Peak Pulse	3000W	3000W	5000W	1500W	1500W	3000W
Operating Temperature Range	-55 to 150°C	-55 to 150°C	-55 to 150°C	-55 to 150°C	-55 to 175°C	-55 to 150°C
Package / Case	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC
Type	Zener	Zener	Zener	Zener	Zener	Zener
Bidirectional Channels	1	1	1	1	1	1
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	—
REACH Status	REACH Affected	REACH Affected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Direct Equivalents (Recommended Primary Substitutes):

SMLJ64CA (Bourns Inc.) and SMDJ64CA (Alpha & Omega Semiconductor Inc.) are direct electrical equivalents, maintaining identical 29.2A peak pulse current and 3000W peak power specifications. Both parts are active products with ROHS3 compliance and MSL 1 rating. SMLJ64CA is available in Cut Tape and Digi-Reel packaging with 7,585 units in stock. SMDJ64CA offers the highest inventory availability at 101,300 units. Both support the full -55°C to 150°C operating temperature range.

Higher-Performance Alternative:

5.0SMDJ64CA (MDE Semiconductor Inc.) exceeds original specifications with 48.6A peak pulse current and 5000W peak power capability while maintaining all voltage parameters and DO-214AB package compatibility. This part is suitable for applications requiring enhanced transient protection margin. REACH Unaffected status may be advantageous for certain supply chain requirements. Inventory availability is 21,300 units.

Lower-Performance Alternatives (Conditional Use):

SMCJ64CA (Meritek) and SMCJ64CA-TP (Micro Commercial Co) provide reduced peak pulse current (14.56A and 14.6A respectively) and power dissipation (1500W) compared to the original specification. These parts are suitable only for applications where the original 29.2A/3000W rating exceeds actual circuit requirements. SMCJ64CA-TP supports extended operating temperature to 175°C. Use of these alternatives requires circuit analysis to confirm adequacy for the intended application.

Frequently Asked Questions (FAQ)

Q: Can SMCJ64CA or SMCJ64CA-TP be used as direct replacements for CD214L-T64CALF?

A: These parts maintain identical voltage specifications (64V standoff, 103V clamping) and package compatibility but provide only 14.56A to 14.6A peak pulse current versus the original 29.2A specification. Substitution is permissible only if circuit analysis confirms that peak transient currents do not exceed the lower rating. For applications requiring the full 29.2A capability, SMLJ64CA or SMDJ64CA are appropriate selections.

Q: What is the difference between SMLJ64CA and SMDJ64CA?

A: Both parts are direct electrical equivalents with identical 29.2A peak pulse current, 3000W peak power, and voltage specifications. The primary differences are manufacturer (Bourns Inc. versus Alpha & Omega Semiconductor Inc.) and packaging options. SMLJ64CA is available in Cut Tape and Digi-Reel formats. SMDJ64CA offers significantly higher inventory availability. Selection may be based on supply chain preference or packaging requirements.

Q: Is 5.0SMDJ64CA a suitable substitute?

A: Yes. 5.0SMDJ64CA exceeds the original specification with 48.6A peak pulse current and 5000W peak power while maintaining all voltage parameters and DO-214AB package compatibility. This part is suitable for direct substitution and provides enhanced protection margin for transient events. REACH Unaffected status may be beneficial for certain regulatory or supply chain requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance, consistent with the original CD214L-T64CALF specification.

Q: What is the significance of REACH status differences?

A: REACH Affected status (CD214L-T64CALF, SMLJ64CA) indicates the part contains substances of concern under EU REACH regulations but remains compliant. REACH Unaffected status (5.0SMDJ64CA, SMCJ64CA, SMCJ64CA-TP, SMDJ64CA) indicates the part does not contain such substances. Selection may depend on supply chain requirements or regulatory jurisdiction.

Q: Can I use SMCJ64CA-TP in applications requiring operation above 150°C?

A: SMCJ64CA-TP supports operating temperatures to 175°C, extending the upper thermal limit by 25°C compared to most alternatives. However, this part provides only 14.6A peak pulse current. Use is appropriate only if both the extended temperature range and reduced current rating are compatible with circuit requirements.

Q: What packaging options are available for substitute parts?

A: SMLJ64CA is available in Cut Tape (CT) and Digi-Reel packaging. SMCJ64CA-TP is supplied in Tape & Reel (TR) format. 5.0SMDJ64CA is supplied in Tape & Reel. SMCJ64CA and SMDJ64CA packaging information is not specified in available data. Confirm packaging requirements with supplier documentation.

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