CD214A-T14ALF Equivalent & Substitute Parts

Part Overview

The CD214A-T14ALF 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 14V reverse standoff voltage with a 23.2V maximum clamping voltage and 17.2A 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-T14ALF

Bourns Inc.In Stock: 1007CD214A-T14ALF Datasheet

Current PartRFQ

SMAJ14A

Good-Ark SemiconductorIn Stock: 65384SMAJ14A Datasheet

DirectRFQ

SMAJ14A

Good-Ark SemiconductorIn Stock: 65384SMAJ14A Datasheet

DirectRFQ

P4SMA16A-M3/61

Vishay General Semiconductor - Diodes DivisionIn Stock: 1174P4SMA16A-M3/61 Datasheet

SimilarRFQ

SMAJ14A-TP

Micro Commercial CoIn Stock: 34237SMAJ14A-TP Datasheet

SimilarRFQ

SMAJP4KE16A-TP

Micro Commercial CoIn Stock: 688SMAJP4KE16A-TP Datasheet

SimilarRFQ

TV04A140J-G

Comchip TechnologyIn Stock: 883TV04A140J-G Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the CD214A-T14ALF are qualified based on the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

• Unidirectional Channels: 1
• Voltage - Reverse Standoff (Typ): 14V (±tolerance acceptable)
• Voltage - Clamping (Max) @ Ipp: 23.2V (±tolerance acceptable)
• Current - Peak Pulse (10/1000µs): 17.2A (±tolerance acceptable)
• Power - Peak Pulse: 400W
• Package / Case: DO-214AC, SMA
• Mounting Type: Surface Mount

Substitution Categories:

Direct Equivalents maintain identical electrical specifications and are sourced from different manufacturers with active product status:

• SMAJ14A (Good-Ark Semiconductor)
• TV04A140J-G (Comchip Technology)
• SMAJ14A-TP (Micro Commercial Co)

Similar Substitutes exhibit minor parameter variations within acceptable engineering tolerances:

• P4SMA16A-M3/61 (Vishay General Semiconductor): 13.6V standoff, 22.5V clamping, 17.8A peak pulse
• SMAJP4KE16A-TP (Micro Commercial Co): 13.6V standoff, 22.5V clamping, 18.2A peak pulse

All substitute parts maintain the same package format, mounting type, and power dissipation capability, ensuring mechanical and thermal compatibility in existing PCB designs.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent Selection (Preferred for Obsolescence Mitigation):

SMAJ14A (Good-Ark Semiconductor) and TV04A140J-G (Comchip Technology) are recommended as primary direct equivalents. Both parts maintain identical electrical specifications to the CD214A-T14ALF, including 14V reverse standoff voltage, 23.2V clamping voltage, and 17.2A peak pulse current. Both manufacturers maintain active product status with ROHS3 compliance and MSL 1 rating, ensuring long-term availability and supply chain stability. SMAJ14A offers the highest inventory availability (65,300 units) among direct equivalents.

SMAJ14A-TP (Micro Commercial Co) provides an additional direct equivalent option with extended operating temperature range to 175°C, beneficial for applications requiring higher thermal margins.

Similar Substitute Selection (For Parameter-Tolerant Applications):

P4SMA16A-M3/61 (Vishay General Semiconductor) and SMAJP4KE16A-TP (Micro Commercial Co) are suitable for applications where minor voltage parameter variations are acceptable. These parts feature slightly lower reverse standoff voltage (13.6V vs. 14V) and clamping voltage (22.5V vs. 23.2V), with marginally higher peak pulse current capability (17.8A and 18.2A respectively). Both maintain 400W peak pulse power and DO-214AC package compatibility. Extended operating temperature ranges (up to 175°C) provide additional thermal design flexibility.

All substitute parts comply with ROHS3 requirements and maintain MSL 1 moisture sensitivity ratings, ensuring compatibility with standard PCB assembly processes.

Frequently Asked Questions (FAQ)

Q: Can SMAJ14A directly replace CD214A-T14ALF without circuit modification?

A: Yes. SMAJ14A maintains identical electrical specifications including 14V reverse standoff voltage, 23.2V clamping voltage, 17.2A peak pulse current, and 400W power dissipation. The DO-214AC package and surface-mount configuration are identical, requiring no PCB layout changes.

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

A: Direct equivalents (SMAJ14A, TV04A140J-G, SMAJ14A-TP) maintain the exact electrical specifications of the CD214A-T14ALF. Similar substitutes (P4SMA16A-M3/61, SMAJP4KE16A-TP) feature lower reverse standoff voltage (13.6V) and clamping voltage (22.5V) with slightly higher peak pulse current. Similar substitutes are suitable only for applications where these parameter variations fall within design tolerances.

Q: Are all substitute parts RoHS compliant?

A: SMAJ14A, TV04A140J-G, SMAJ14A-TP, and P4SMA16A-M3/61 are explicitly ROHS3 compliant. SMAJP4KE16A-TP does not specify RoHS status in available documentation. Verify RoHS compliance requirements with your supply chain before final part selection.

Q: What is the MSL rating and why does it matter?

A: All listed parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions. Components can be stored indefinitely without desiccant packaging and do not require baking before reflow soldering, simplifying inventory management and assembly processes.

Q: Can I use P4SMA16A-M3/61 if my circuit design allows 13.6V standoff voltage?

A: Yes, provided your circuit design tolerates the lower reverse standoff voltage (13.6V vs. 14V) and clamping voltage (22.5V vs. 23.2V). The lower standoff voltage means the device triggers at a slightly lower threshold. Confirm that your overvoltage protection requirements are met at these reduced voltage levels before implementation.

Q: Which substitute offers the best long-term availability?

A: SMAJ14A (Good-Ark Semiconductor) is recommended for long-term availability, with 65,300 units in current inventory and active product status. This significantly exceeds inventory levels of other direct equivalents and ensures supply continuity for production requirements.

Q: Do substitute parts require different soldering profiles or assembly procedures?

A: No. All substitute parts use identical DO-214AC (SMA) packaging and surface-mount configuration. Standard reflow soldering profiles and pick-and-place assembly procedures apply without modification. MSL 1 rating eliminates moisture-related assembly constraints.