CD214A-T100ALF Equivalent & Substitute Parts

Part Overview

The CD214A-T100ALF is a unidirectional Zener transient voltage suppressor (TVS) diode manufactured by Bourns Inc., designed for general-purpose overvoltage protection in surface-mount applications. This component features a 100V reverse standoff voltage with 162V maximum clamping voltage and 2.5A peak pulse current capability in a DO-214AC (SMA) package. The part is currently obsolete, making equivalent and substitute parts necessary for ongoing design support and production requirements.

Substiute Parts

CD214A-T100ALF

Bourns Inc.In Stock: 1162CD214A-T100ALF Datasheet

Current PartRFQ

SMAJ100A

MDDIn Stock: 30254SMAJ100A Datasheet

DirectRFQ

SMAJ100A

MDDIn Stock: 30254SMAJ100A Datasheet

DirectRFQ

SMAJ100A-TP

Micro Commercial CoIn Stock: 8225SMAJ100A-TP Datasheet

SimilarRFQ

SMAJ120A-13-F

Diodes IncorporatedIn Stock: 4789SMAJ120A-13-F Datasheet

SimilarRFQ

TV04A101J-G

Comchip TechnologyIn Stock: 774TV04A101J-G Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CD214A-T100ALF is determined by the following critical parameters:

• Voltage - Reverse Standoff (Typ): 100V
• Voltage - Clamping (Max) @ Ipp: 162V
• Current - Peak Pulse (10/1000µs): 2.5A nominal
• Package / Case: DO-214AC, SMA
• Mounting Type: Surface Mount
• RoHS Status: ROHS3 Compliant

Substitute parts are classified into two categories:

Direct Equivalents: Parts matching all critical electrical parameters (100V standoff, 162V clamping, 2.5A peak pulse) with identical package and mounting specifications.

Similar Substitutes: Parts with minor variations in electrical parameters or operating temperature ranges that remain functionally compatible within the application's design margins, provided the clamping voltage and peak pulse current do not fall below the original specifications.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (Preferred for Drop-In Replacement)

SMAJ100A (MDD) and TV04A101J-G (Comchip Technology) are direct electrical equivalents to the CD214A-T100ALF. Both maintain identical reverse standoff voltage (100V), clamping voltage (162V), and peak pulse current specifications (2.5A and 2.47A respectively). Both are ROHS3 compliant with MSL 1 rating. SMAJ100A offers the highest inventory availability (30200 pcs) and is recommended as the primary replacement. TV04A101J-G provides an alternative with comparable specifications and active product status.

Similar Substitute (Extended Temperature Range)

SMAJ100A-TP (Micro Commercial Co) provides an extended operating temperature range (-55°C ~ 175°C) compared to the original specification (-55°C ~ 150°C), offering enhanced thermal performance for demanding applications. Electrical parameters remain identical to the original part. This option is suitable when extended temperature operation is beneficial.

Alternative with Higher Voltage Rating

SMAJ120A-13-F (Diodes Incorporated) features a higher reverse standoff voltage (120V) and clamping voltage (193V) with slightly reduced peak pulse current (2A). This part is suitable only for applications where higher voltage protection is required and the reduced current rating is acceptable. This part carries automotive-grade qualification.

Frequently Asked Questions (FAQ)

Q: Can SMAJ100A directly replace CD214A-T100ALF without circuit modification?

A: Yes. SMAJ100A matches all critical electrical parameters: 100V reverse standoff, 162V clamping voltage, 2.5A peak pulse current, and identical DO-214AC (SMA) package. No circuit changes are required.

Q: What is the difference between SMAJ100A and SMAJ100A-TP?

A: Both parts have identical electrical specifications. SMAJ100A-TP offers an extended operating temperature range (-55°C ~ 175°C) versus standard -55°C ~ 150°C. Select SMAJ100A-TP if your application requires operation above 150°C.

Q: Why is SMAJ120A-13-F listed as a substitute if it has different voltage ratings?

A: SMAJ120A-13-F provides higher voltage protection (120V standoff, 193V clamping) suitable for applications requiring elevated overvoltage margins. However, its 2A peak pulse current is lower than the original 2.5A specification. Use this part only when higher voltage protection is a design requirement and the reduced current rating is acceptable.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (SMAJ100A, SMAJ100A-TP, SMAJ120A-13-F, and TV04A101J-G) are ROHS3 compliant with MSL 1 moisture sensitivity rating, matching the original CD214A-T100ALF compliance status.

Q: Which substitute offers the best inventory availability?

A: SMAJ100A (MDD) provides the highest inventory availability at 30200 pcs in active production status, making it the most readily available replacement for the obsolete CD214A-T100ALF.

Q: Can I use TV04A101J-G as a direct replacement?

A: Yes. TV04A101J-G is a direct electrical equivalent with 100V standoff, 162V clamping voltage, and 2.47A peak pulse current. It is functionally interchangeable with the original part in the same DO-214AC (SMA) package.