CD214C-T64ALF Equivalent & Substitute Parts

Part Overview

The CD214C-T64ALF 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 64V reverse standoff voltage with 103V clamping capability and 14.6A peak pulse current handling. The component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
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
Package / Case	DO-214AB (SMC)
Operating Temperature	-55°C ~ 150°C
Type	Zener, Unidirectional
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the CD214C-T64ALF is determined by strict electrical and mechanical parameter matching:

Primary Substitution Criteria:

Voltage - Reverse Standoff: 64V (±tolerance)
Voltage - Clamping (Max) @ Ipp: 103V
Current - Peak Pulse (10/1000µs): 14.6A (±tolerance)
Power - Peak Pulse: 1500W
Package / Case: DO-214AB (SMC)
Mounting Type: Surface Mount
Operating Temperature Range: Minimum -55°C to +150°C

Substitute Categories:

Direct Equivalents maintain all electrical specifications and power rating (1500W, 14.6A):

SMCJ64A (Meritek)
SMCJ64A-13-F (Diodes Incorporated)
SMCJ64A-HR (Littelfuse Inc.)
SMCJ64A-HRA (Littelfuse Inc.)
SMCJ64A-HRAT7 (Littelfuse Inc.)
SMCJ64A-TP (Micro Commercial Co)

Higher Power Variants share voltage specifications but exceed power rating (5000W, 48.6A):

5.0SMDJ64A (Taiwan Semiconductor Corporation)
5.0SMDJ64A-T7 (Littelfuse Inc.)

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse	Power - Peak Pulse	Package	Operating Temperature	Product Status	RoHS Status
CD214C-T64ALF	Bourns Inc.	64V	103V	14.6A	1500W	DO-214AB (SMC)	-55°C ~ 150°C	Obsolete	ROHS3 Compliant
SMCJ64A	Meritek	64V	103V	14.56A	1500W	DO-214AB (SMC)	-55°C ~ 150°C	Active	ROHS3 Compliant
SMCJ64A-13-F	Diodes Incorporated	64V	103V	14.6A	1500W	DO-214AB (SMC)	-55°C ~ 150°C	Active	ROHS3 Compliant
SMCJ64A-HR	Littelfuse Inc.	64V	103V	14.6A	1500W	DO-214AB (SMC)	-65°C ~ 150°C	Active	ROHS3 Compliant
SMCJ64A-HRA	Littelfuse Inc.	64V	103V	14.6A	1500W	DO-214AB (SMC)	-65°C ~ 150°C	Active	ROHS3 Compliant
SMCJ64A-HRAT7	Littelfuse Inc.	64V	103V	14.6A	1500W	DO-214AB (SMC)	-65°C ~ 150°C	Active	ROHS3 Compliant
SMCJ64A-TP	Micro Commercial Co	64V	103V	14.6A	1500W	DO-214AB (SMC)	-55°C ~ 175°C	Active	ROHS3 Compliant
5.0SMDJ64A	Taiwan Semiconductor Corporation	64V	103V	48.6A	5000W	DO-214AB (SMC)	-55°C ~ 175°C	Active	ROHS3 Compliant
5.0SMDJ64A-T7	Littelfuse Inc.	64V	103V	48.6A	5000W	DO-214AB (SMC)	-65°C ~ 150°C	Active	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (1500W, 14.6A specifications):

Select from SMCJ64A, SMCJ64A-13-F, SMCJ64A-HR, SMCJ64A-HRA, SMCJ64A-HRAT7, or SMCJ64A-TP. All maintain identical electrical performance to the CD214C-T64ALF with active product status and ROHS3 compliance. Littelfuse variants (SMCJ64A-HR, SMCJ64A-HRA, SMCJ64A-HRAT7) extend the lower operating temperature limit to -65°C. Micro Commercial Co's SMCJ64A-TP extends the upper operating temperature to 175°C. Meritek's SMCJ64A offers the highest inventory availability at 38,200 pieces.

For Higher Power Applications (5000W, 48.6A specifications):

The 5.0SMDJ64A and 5.0SMDJ64A-T7 provide enhanced transient energy absorption while maintaining the same voltage clamping characteristics. These are suitable only when circuit design permits the higher current handling and power dissipation. Both maintain ROHS3 compliance and active product status.

Compliance Considerations:

All substitute parts are ROHS3 compliant with MSL rating of 1 (Unlimited moisture sensitivity). ECCN classification remains EAR99 across all options. REACH status varies: Meritek's SMCJ64A is REACH Unaffected, while all other substitutes are REACH Unaffected.

Frequently Asked Questions (FAQ)

Q: Can SMCJ64A directly replace CD214C-T64ALF?

A: Yes. SMCJ64A matches all critical electrical parameters: 64V reverse standoff, 103V clamping voltage, 14.56A peak pulse current, and 1500W power rating. Both use DO-214AB (SMC) packaging. SMCJ64A is active production status with 38,200 pieces in stock.

Q: What is the difference between direct equivalents and higher power variants?

A: Direct equivalents (SMCJ64A series) maintain 1500W power rating and 14.6A peak pulse current. Higher power variants (5.0SMDJ64A series) provide 5000W power rating and 48.6A peak pulse current while preserving voltage specifications. Selection depends on circuit transient energy requirements.

Q: Are all substitutes pin-compatible?

A: Yes. All listed substitutes use DO-214AB (SMC) surface-mount package with identical pinout and footprint compatibility.

Q: Which substitute offers the widest operating temperature range?

A: SMCJ64A-TP (Micro Commercial Co) and 5.0SMDJ64A (Taiwan Semiconductor Corporation) both extend to 175°C maximum, compared to the original 150°C specification.

Q: What is the inventory status of available substitutes?

A: SMCJ64A (Meritek) has the highest availability at 38,200 pieces. SMCJ64A-TP (3,798 pieces), 5.0SMDJ64A (9,200 pieces), and SMCJ64A-13-F (4,060 pieces) offer substantial stock. Littelfuse variants range from 700 to 1,577 pieces.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance, matching the original CD214C-T64ALF specification.

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