CD214C-T7.0ALF Equivalent & Substitute Parts

Part Overview

The CD214C-T7.0ALF is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Bourns Inc., designed for general-purpose overvoltage protection in surface-mount applications. This component features a 7V reverse standoff voltage with 12V maximum clamping voltage and 125A peak pulse current capability in a DO-214AB (SMC) package. The part is currently classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Substiute Parts

CD214C-T7.0ALF

Bourns Inc.In Stock: 1030CD214C-T7.0ALF Datasheet

Current PartRFQ

SMCJ7.0A

MDDIn Stock: 5980SMCJ7.0A Datasheet

DirectRFQ

SMCJ7.0A

MDDIn Stock: 5980SMCJ7.0A Datasheet

DirectRFQ

SMCJ7.0A-HRA

Littelfuse Inc.In Stock: 840SMCJ7.0A-HRA Datasheet

DirectRFQ

SMCJ7.0A-HR

Littelfuse Inc.In Stock: 797SMCJ7.0A-HR Datasheet

UpgradeRFQ

SMCJ7.0A-TP

Micro Commercial CoIn Stock: 3861SMCJ7.0A-TP Datasheet

SimilarRFQ

SMCJ7V0A

Fairchild SemiconductorIn Stock: 5921SMCJ7V0A Datasheet

SimilarRFQ

SMDJ7.0A

Alpha & Omega Semiconductor Inc.In Stock: 2174SMDJ7.0A Datasheet

SimilarRFQ

TV15C7V0J-HF

Comchip TechnologyIn Stock: 1212TV15C7V0J-HF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CD214C-T7.0ALF is determined by strict equivalence across the following critical parameters:

• Voltage - Reverse Standoff (Typ): 7V
• Voltage - Clamping (Max) @ Ipp: 12V
• Current - Peak Pulse (10/1000µs): 125A minimum
• Power - Peak Pulse: 1500W minimum
• Package / Case: DO-214AB (SMC)
• Mounting Type: Surface Mount
• Type: Unidirectional Zener

Parts are classified into three substitution categories:

Direct Substitutes maintain identical electrical specifications and are sourced from alternative manufacturers with active product status.

Upgrade Substitutes provide enhanced performance characteristics (extended temperature range, improved reliability) while maintaining or exceeding the original electrical specifications.

Similar Substitutes meet the core electrical requirements but may have minor variations in secondary parameters such as peak pulse current or power dissipation that remain within acceptable operating margins for the application.

Parameter Comparison

Engineering Selection Recommendations

Direct Substitutes (Recommended for Standard Applications)

SMCJ7.0A (MDD) and TV15C7V0J-HF (Comchip Technology) are direct electrical equivalents with active product status. Both maintain the 7V reverse standoff, 12V clamping voltage, and 125A peak pulse current specifications. These parts are suitable for applications where the original CD214C-T7.0ALF specifications are required without modification.

Upgrade Substitutes (Recommended for Extended Temperature Range)

SMCJ7.0A-HRA and SMCJ7.0A-HR (both Littelfuse Inc.) provide extended lower temperature operation to -65°C compared to the original -55°C minimum, while maintaining all other electrical parameters. These parts are classified as upgrades due to improved temperature performance and are recommended when designs require enhanced low-temperature reliability.

Enhanced Performance Substitute (For Higher Transient Energy Applications)

SMDJ7.0A (Alpha & Omega Semiconductor Inc.) exceeds the original specifications with 250A peak pulse current and 3000W power dissipation, double the CD214C-T7.0ALF ratings. This part is suitable for applications requiring higher transient energy absorption while maintaining the same voltage protection levels.

Extended Temperature Range Substitute (For Elevated Temperature Applications)

SMCJ7.0A-TP (Micro Commercial Co) extends the upper operating temperature to 175°C compared to the original 150°C maximum, making it suitable for high-temperature environments while maintaining all core electrical specifications.

All recommended substitutes are ROHS3 compliant and maintain the DO-214AB (SMC) surface-mount package format, ensuring PCB layout compatibility with the original design.

Frequently Asked Questions (FAQ)

Q: Can SMDJ7.0A be used as a direct replacement for CD214C-T7.0ALF?

A: SMDJ7.0A is electrically compatible but provides enhanced performance with 250A peak pulse current and 3000W power dissipation versus the original 125A and 1500W. It maintains the same 7V reverse standoff and 12V clamping voltage. This part is suitable for applications where higher transient energy absorption is beneficial or required.

Q: What is the difference between SMCJ7.0A-HR and SMCJ7.0A-HRA?

A: Both parts are manufactured by Littelfuse Inc. with identical electrical specifications and extended temperature range (-65°C to 150°C). The difference lies in product series designation (SMCJ-HR versus SMCJ-HRA). Both are functionally equivalent for the CD214C-T7.0ALF application.

Q: Are all substitute parts available in the same package as the original?

A: Yes. All listed substitute parts use the DO-214AB (SMC) surface-mount package, ensuring direct PCB layout compatibility with designs originally specified for the CD214C-T7.0ALF.

Q: Which substitute is recommended for applications requiring the widest operating temperature range?

A: SMCJ7.0A-TP (Micro Commercial Co) provides the widest temperature range from -55°C to 175°C, making it suitable for applications in elevated temperature environments while maintaining all core electrical specifications of the original part.

Q: Is SMCJ7V0A (Fairchild Semiconductor) a suitable substitute?

A: SMCJ7V0A meets the core electrical specifications (7V reverse standoff, 12V clamping, 125A peak pulse, 1500W power) and is available in the DO-214AB package. However, operating temperature range is not specified in available documentation. Verification with the manufacturer is recommended before design implementation.

Q: What compliance certifications do the substitute parts maintain?

A: All active substitute parts listed are ROHS3 compliant. REACH status varies by manufacturer: MDD SMCJ7.0A is REACH Unaffected, while Littelfuse, Micro Commercial Co, and Comchip Technology parts are REACH Unaffected. Verify specific compliance requirements for your application and region.