CD214B-T110CALF Equivalent & Substitute Parts

Part Overview

The CD214B-T110CALF is a transient voltage suppressor (TVS) diode manufactured by Bourns Inc., designed for general-purpose overvoltage protection in surface mount applications. This component features a 110V reverse standoff voltage with 177V maximum clamping voltage and 3.4A peak pulse current capability in a DO-214AA (SMB) package. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Substiute Parts

CD214B-T110CALF

Bourns Inc.In Stock: 1042CD214B-T110CALF Datasheet

Current PartRFQ

SMBJ110CA

Fairchild SemiconductorIn Stock: 44388SMBJ110CA Datasheet

DirectRFQ

SMBJ110CA

Fairchild SemiconductorIn Stock: 44388SMBJ110CA Datasheet

DirectRFQ

SMBJ110CA

Fairchild SemiconductorIn Stock: 44388SMBJ110CA Datasheet

DirectRFQ

SMBJ100CA

Good-Ark SemiconductorIn Stock: 20340SMBJ100CA Datasheet

SimilarRFQ

SMBJ120CA

MeritekIn Stock: 34486SMBJ120CA Datasheet

SimilarRFQ

TV06B111JB-HF

Comchip TechnologyIn Stock: 789TV06B111JB-HF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CD214B-T110CALF is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria:

• Voltage - Reverse Standoff (Typ): 110V
• Voltage - Clamping (Max) @ Ipp: 177V
• Current - Peak Pulse (10/1000µs): 3.4A (±tolerance)
• Power - Peak Pulse: 600W
• Package / Case: DO-214AA (SMB)
• Bidirectional Channels: 1
• Type: Zener

Direct Equivalents maintain all electrical parameters within specification limits and identical package configuration. These parts are interchangeable without circuit modification.

Similar Alternatives share the same package and general application category but differ in one or more electrical parameters (voltage rating or current handling). These require circuit-level verification before substitution.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (Recommended for Immediate Substitution):

SMBJ110CA (Fairchild Semiconductor) and TV06B111JB-HF (Comchip Technology) are direct electrical equivalents to the CD214B-T110CALF. Both maintain identical voltage ratings (110V standoff, 177V clamping) and current specifications (3.4A peak pulse). SMBJ110CA is available in active production status with high inventory (44,300 pcs), ensuring long-term supply continuity. TV06B111JB-HF is also active but with lower inventory (680 pcs). Both parts are ROHS3 compliant and suitable for direct PCB substitution without design modification.

Similar Alternatives (Require Circuit Verification):

SMBJ100CA (Good-Ark Semiconductor) operates at a lower voltage rating (100V standoff, 162V clamping) with slightly higher peak pulse current (3.7A). This part is suitable only if the circuit can tolerate reduced clamping voltage margins.

SMBJ120CA (Meritek) operates at a higher voltage rating (120V standoff, 193V clamping) with lower peak pulse current (3.11A). This part is suitable only if the circuit design permits higher clamping voltage and reduced current handling.

All substitute parts maintain the DO-214AA (SMB) package configuration, MSL Level 1 moisture sensitivity, and general-purpose application classification.

Frequently Asked Questions (FAQ)

Q: Can SMBJ110CA be used as a direct replacement for CD214B-T110CALF?

A: Yes. SMBJ110CA maintains identical electrical specifications: 110V reverse standoff voltage, 177V clamping voltage, 3.4A peak pulse current, and 600W peak pulse power. The DO-214AA (SMB) package is identical. No circuit modification is required.

Q: What is the difference between direct equivalents and similar alternatives?

A: Direct equivalents (SMBJ110CA, TV06B111JB-HF) match all critical electrical parameters of the original part. Similar alternatives (SMBJ100CA, SMBJ120CA) differ in voltage rating or current handling and require circuit-level analysis to confirm compatibility before substitution.

Q: Why is the CD214B-T110CALF listed as obsolete?

A: Obsolete status indicates the part is no longer manufactured by Bourns Inc. Active equivalent parts from other manufacturers ensure continued availability for replacement and new designs.

Q: Are all substitute parts ROHS3 compliant?

A: SMBJ110CA compliance status is not specified in available data. TV06B111JB-HF, SMBJ100CA, and SMBJ120CA are confirmed ROHS3 compliant. Verify compliance documentation with the supplier if regulatory certification is required.

Q: What is the impact of using SMBJ100CA instead of the original part?

A: SMBJ100CA has a lower clamping voltage (162V vs. 177V) and lower breakdown voltage (111V vs. 122V). This reduces the voltage margin available for transient suppression. Use only if circuit design permits operation at these reduced voltage levels.

Q: What is the impact of using SMBJ120CA instead of the original part?

A: SMBJ120CA has a higher clamping voltage (193V vs. 177V) and higher breakdown voltage (133V vs. 122V). Peak pulse current is also lower (3.11A vs. 3.4A). Use only if the circuit can tolerate higher clamping voltage and reduced current handling capacity.

Q: Are there packaging differences between substitute parts?

A: All substitute parts use the DO-214AA (SMB) surface mount package, identical to the original CD214B-T110CALF. Packaging differences exist only in tape/reel versus bulk configurations, which do not affect electrical performance or PCB assembly compatibility.