CD214L-T7.5ALF Equivalent & Substitute Parts

Part Overview

The CD214L-T7.5ALF 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 7.5V reverse standoff voltage with a 12.9V maximum clamping voltage and 232.6A peak pulse current capability. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Substiute Parts

CD214L-T7.5ALF

Bourns Inc.In Stock: 840CD214L-T7.5ALF Datasheet

Current PartRFQ

SMLJ7.5A

Bourns Inc.In Stock: 870SMLJ7.5A Datasheet

DirectRFQ

SMCJ7.5A

Taiwan Semiconductor CorporationIn Stock: 9312SMCJ7.5A Datasheet

SimilarRFQ

SMCJ7V5A

Fairchild SemiconductorIn Stock: 12508SMCJ7V5A Datasheet

SimilarRFQ

SMCJ8.5A-13-F

Diodes IncorporatedIn Stock: 1063SMCJ8.5A-13-F Datasheet

SimilarRFQ

SMDJ7.5A

Alpha & Omega Semiconductor Inc.In Stock: 12252SMDJ7.5A Datasheet

SimilarRFQ

TV15C7V5J-HF

Comchip TechnologyIn Stock: 1179TV15C7V5J-HF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CD214L-T7.5ALF is determined by the following critical parameters:

Primary Matching Criteria:

• Unidirectional Channels: 1
• Voltage - Reverse Standoff (Typ): 7.5V
• Voltage - Clamping (Max) @ Ipp: 12.9V
• Package / Case: DO-214AB, SMC
• Mounting Type: Surface Mount
• Applications: General Purpose

Substitution Categories:

Direct Equivalents maintain all primary electrical parameters and are functionally interchangeable:

• SMLJ7.5A (Bourns Inc.) — Active product status, identical electrical specifications
• SMDJ7.5A (Alpha & Omega Semiconductor Inc.) — Active product status, identical electrical specifications

Similar Substitutes share the same voltage class and package but differ in peak pulse current or power dissipation:

• SMCJ7.5A (Taiwan Semiconductor Corporation) — 122A peak pulse current, 1500W power rating
• SMCJ7V5A (Fairchild Semiconductor) — 116.3A peak pulse current, 1500W power rating
• TV15C7V5J-HF (Comchip Technology) — 116.28A peak pulse current, 1500W power rating

Partial Substitutes operate at a higher voltage class:

• SMCJ8.5A-13-F (Diodes Incorporated) — 8.5V reverse standoff, 14.4V clamping voltage, 104.2A peak pulse current

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance): SMLJ7.5A and SMDJ7.5A are the preferred substitutes, as both maintain the full 232.6A peak pulse current and 3000W power dissipation of the original CD214L-T7.5ALF. Both are active products with ROHS3 compliance and MSL 1 rating, ensuring long-term availability and regulatory compliance.

For Reduced Peak Pulse Current Applications: SMCJ7.5A, SMCJ7V5A, and TV15C7V5J-HF are suitable when circuit design permits operation at 116–122A peak pulse current with 1500W power dissipation. These parts maintain the 7.5V reverse standoff and 12.9V clamping voltage, making them functionally compatible for lower-energy transient events.

For Higher Voltage Protection: SMCJ8.5A-13-F operates at 8.5V reverse standoff with 14.4V clamping voltage and is applicable only when circuit requirements allow for increased protection thresholds. This part is not a direct substitute but may be considered for designs requiring higher voltage margins.

Compliance Considerations: All substitute parts listed are ROHS3 compliant and carry MSL 1 ratings where specified, ensuring compatibility with modern manufacturing and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can SMLJ7.5A directly replace CD214L-T7.5ALF? A: Yes. SMLJ7.5A is a direct equivalent with identical electrical specifications (7.5V standoff, 12.9V clamping, 232.6A peak pulse current, 3000W power) and the same DO-214AB SMC package. The primary difference is product status: SMLJ7.5A is active while CD214L-T7.5ALF is obsolete.

Q: What is the difference between SMDJ7.5A and SMCJ7.5A? A: Both maintain the 7.5V standoff and 12.9V clamping voltage. The key difference is peak pulse current: SMDJ7.5A handles 232.6A at 3000W, while SMCJ7.5A handles 122A at 1500W. SMDJ7.5A is the better choice for high-energy transient protection; SMCJ7.5A is suitable for lower-energy applications.

Q: Are all substitute parts in the same package? A: Yes. All listed substitutes use the DO-214AB SMC surface-mount package, ensuring mechanical and thermal compatibility with existing PCB layouts.

Q: Can SMCJ8.5A-13-F be used as a drop-in replacement? A: No. SMCJ8.5A-13-F operates at 8.5V reverse standoff and 14.4V clamping voltage, which are higher than the original 7.5V and 12.9V specifications. Use this part only if circuit design explicitly requires higher voltage protection thresholds.

Q: What is the inventory status of these substitutes? A: SMLJ7.5A, SMDJ7.5A, SMCJ7.5A, SMCJ7V5A, TV15C7V5J-HF, and SMCJ8.5A-13-F are all listed as active products with new original stock available, ensuring reliable procurement for production and design updates.

Q: Are all substitutes RoHS compliant? A: Yes. All substitute parts listed are ROHS3 compliant, meeting current environmental and regulatory requirements for electronic component manufacturing and use.