CD214C-T7.5CALF Equivalent & Substitute Parts

Part Overview

The CD214C-T7.5CALF is a transient voltage suppressor (TVS) diode manufactured by Bourns Inc., rated for 7.5V reverse standoff voltage with 12.9V clamping voltage and 116.3A peak pulse current. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement continuity. The part is housed in a DO-214AB (SMC) surface mount package and is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Key Parameters

Parameter	Value
Manufacturer Part Number	CD214C-T7.5CALF
Manufacturer	Bourns Inc.
Category	Transient Voltage Suppressors (TVS)
Type	Zener
Voltage - Reverse Standoff (Typ)	7.5V
Voltage - Breakdown (Min)	8.33V
Voltage - Clamping (Max) @ Ipp	12.9V
Current - Peak Pulse (10/1000µs)	116.3A
Power - Peak Pulse	1500W (1.5kW)
Package / Case	DO-214AB, SMC
Mounting Type	Surface Mount
Operating Temperature	-55°C ~ 150°C (TJ)
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the CD214C-T7.5CALF is determined by strict equivalence across the following critical parameters:

Voltage - Reverse Standoff (Typ): 7.5V
Voltage - Clamping (Max) @ Ipp: 12.9V
Voltage - Breakdown (Min): 8.33V (±0.01V tolerance acceptable)
Package / Case: DO-214AB, SMC
Mounting Type: Surface Mount
Bidirectional Channels: 1
Type: Zener

Substitute parts are grouped into two categories:

Direct Substitutes: Parts meeting all critical electrical parameters and package specifications with identical or higher current ratings (≥116.3A peak pulse).

Similar Substitutes: Parts meeting all critical electrical parameters and package specifications but with variations in current rating, operating temperature range, or packaging format (tape & reel vs. bulk).

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff	Voltage - Clamping @ Ipp	Current - Peak Pulse	Power - Peak Pulse	Package	Operating Temperature	Product Status	RoHS Status
CD214C-T7.5CALF	Bourns Inc.	7.5V	12.9V	116.3A	1500W	DO-214AB, SMC	-55°C ~ 150°C	Obsolete	ROHS3
SMCJ7.5CA	Taiwan Semiconductor Corporation	7.5V	12.9V	122A	1500W	DO-214AB, SMC	-55°C ~ 150°C	Active	ROHS3
SMCJ7.5CA-HR	Littelfuse Inc.	7.5V	12.9V	116.3A	1500W	DO-214AB, SMC	-65°C ~ 150°C	Active	ROHS3
SMCJ7.5CA-HRA	Littelfuse Inc.	7.5V	12.9V	116.3A	1500W	DO-214AB, SMC	-65°C ~ 150°C	Active	ROHS3
SMCJ7.5CA-HRAT7	Littelfuse Inc.	7.5V	12.9V	116.3A	1500W	DO-214AB, SMC	-65°C ~ 150°C	Active	ROHS3
SMCJ7.5CA-M3/57T	Vishay General Semiconductor - Diodes Division	7.5V	12.9V	116.3A	1500W	DO-214AB, SMC	-55°C ~ 150°C	Active	ROHS3
SMCJ7.5CA-M3/9AT	Vishay General Semiconductor - Diodes Division	7.5V	12.9V	116.3A	1500W	DO-214AB, SMC	-55°C ~ 150°C	Active	ROHS3
SMCJ7.5CA-TP	Micro Commercial Co	7.5V	12.9V	116.3A	1500W	DO-214AB, SMC	-55°C ~ 175°C	Active	ROHS3
SMCJ7V5CA	Fairchild Semiconductor	7.5V	12.9V	116.3A	1500W	DO-214AB, SMC	Not specified	Active	Not specified
SMDJ7.5CA	Alpha & Omega Semiconductor Inc.	7.5V	12.9V	232.6A	3000W	DO-214AB, SMC	-55°C ~ 150°C	Active	ROHS3

Engineering Selection Recommendations

Primary Recommendation: SMCJ7.5CA (Taiwan Semiconductor Corporation) is the preferred direct substitute. It maintains identical electrical specifications (7.5V standoff, 12.9V clamping, 1500W peak power) with active product status and ROHS3 compliance. Peak pulse current of 122A exceeds the original 116.3A specification, providing margin for transient protection.

Alternative Selections:

SMCJ7.5CA-HR, SMCJ7.5CA-HRA, and SMCJ7.5CA-HRAT7 (Littelfuse Inc.) are functionally equivalent with identical electrical parameters and active status. These parts feature extended lower operating temperature range (-65°C vs. -55°C), suitable for applications requiring enhanced cold-temperature performance. Tape & reel packaging is available.

SMCJ7.5CA-M3/57T and SMCJ7.5CA-M3/9AT (Vishay General Semiconductor - Diodes Division) provide equivalent electrical performance with active product status and ROHS3 compliance. Tape & reel packaging options support automated assembly processes.

SMCJ7.5CA-TP (Micro Commercial Co) offers identical electrical specifications with extended upper operating temperature range (-55°C to 175°C), beneficial for high-temperature applications. Active product status and ROHS3 compliance are confirmed.

SMCJ7V5CA (Fairchild Semiconductor) meets all critical electrical parameters with active status. Operating temperature range and complete compliance documentation are not specified in available data.

SMDJ7.5CA (Alpha & Omega Semiconductor Inc.) is electrically compatible but features doubled peak pulse current (232.6A) and power dissipation (3000W). This higher-rated device is suitable only when increased transient protection margin is required, as it represents a different performance class.

Frequently Asked Questions (FAQ)

Q: Can SMDJ7.5CA be used as a direct replacement for CD214C-T7.5CALF?

A: SMDJ7.5CA meets the core voltage specifications (7.5V standoff, 12.9V clamping) and package requirements (DO-214AB, SMC). However, it is rated for 232.6A peak pulse current and 3000W power dissipation, compared to the original 116.3A and 1500W. This represents a higher performance class. Use SMDJ7.5CA only when circuit design requires increased transient protection capability.

Q: What is the difference between SMCJ7.5CA and SMCJ7.5CA-HR?

A: Both parts are electrically identical (7.5V standoff, 12.9V clamping, 116.3A peak pulse, 1500W power). SMCJ7.5CA-HR is manufactured by Littelfuse Inc. and features an extended lower operating temperature range (-65°C to 150°C vs. -55°C to 150°C). SMCJ7.5CA is manufactured by Taiwan Semiconductor Corporation. Selection depends on temperature requirements and supplier availability.

Q: Are tape & reel packaged parts (SMCJ7.5CA-HR, SMCJ7.5CA-M3/57T) compatible with bulk-packaged alternatives?

A: Tape & reel and bulk packaging formats contain identical die and electrical specifications. The packaging difference affects only handling, storage, and automated assembly compatibility. Electrical performance and board-level functionality are identical. Verify your assembly process requirements before selecting packaging format.

Q: Does operating temperature range affect substitution eligibility?

A: Operating temperature range does not disqualify substitution if the substitute range encompasses the original specification. For example, SMCJ7.5CA-HR (-65°C to 150°C) is compatible with applications designed for CD214C-T7.5CALF (-55°C to 150°C). However, if your application requires the full -55°C to 175°C range, SMCJ7.5CA-TP is the appropriate selection.

Q: Is ROHS3 compliance required for all substitute parts?

A: All recommended substitute parts carry ROHS3 compliance certification, matching the original CD214C-T7.5CALF specification. SMCJ7V5CA compliance status is not documented in available data. Verify compliance documentation with your supplier if regulatory requirements mandate ROHS3 certification.

Q: Can I use SMCJ7V5CA as a substitute if other parts are unavailable?

A: SMCJ7V5CA meets all critical electrical parameters (7.5V standoff, 12.9V clamping, 116.3A peak pulse, 1500W power) and package specifications (DO-214AB, SMC). However, operating temperature range and complete compliance certifications are not specified. Use only if other documented alternatives are unavailable and your application does not require verified temperature or compliance specifications.

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