CD214A-T17CALF Equivalent & Substitute Parts

Part Overview

The CD214A-T17CALF 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 17V reverse standoff voltage with a 27.6V maximum clamping voltage and 14.5A peak pulse current capability in a DO-214AC (SMA) package. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Substiute Parts

CD214A-T17CALF

Bourns Inc.In Stock: 1074CD214A-T17CALF Datasheet

Current PartRFQ

SMAJ17CA

MeritekIn Stock: 30456SMAJ17CA Datasheet

DirectRFQ

SMAJ17CA

MeritekIn Stock: 30456SMAJ17CA Datasheet

DirectRFQ

SMAJ15CA-M3/5A

Vishay General Semiconductor - Diodes DivisionIn Stock: 985SMAJ15CA-M3/5A Datasheet

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SMAJ15CA-M3/61

Vishay General Semiconductor - Diodes DivisionIn Stock: 1273SMAJ15CA-M3/61 Datasheet

SimilarRFQ

SMAJ16CA-M3/61

Vishay General Semiconductor - Diodes DivisionIn Stock: 1047SMAJ16CA-M3/61 Datasheet

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SMAJ17CA-TP

Micro Commercial CoIn Stock: 11084SMAJ17CA-TP Datasheet

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SMAJ18CA-M3/61

Vishay General Semiconductor - Diodes DivisionIn Stock: 1122SMAJ18CA-M3/61 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution for the CD214A-T17CALF is determined by the following critical parameters:

Primary Substitution Criteria:

• Voltage - Reverse Standoff (Typ): 17V
• Voltage - Clamping (Max) @ Ipp: 27.6V
• Current - Peak Pulse (10/1000µs): 14.5A (±0.01A tolerance acceptable)
• Package / Case: DO-214AC (SMA)
• Bidirectional Channels: 1
• Type: Zener

Secondary Compatibility Factors:

• Operating Temperature range: -55°C minimum to 150°C minimum
• RoHS3 Compliance
• MSL rating: 1 (Unlimited)
• Power - Peak Pulse: 400W

Substitute parts are classified into two categories:

Direct Equivalents: Parts with identical electrical specifications (17V standoff, 27.6V clamping, 14.5A peak pulse) and active product status.

Similar Alternatives: Parts with adjacent voltage ratings (15V, 16V, or 18V standoff) that maintain the same package, power rating, and general-purpose application profile. These are suitable when the exact 17V specification is not critical to the circuit design.

Parameter Comparison

Engineering Selection Recommendations

Direct Replacement (Preferred):

SMAJ17CA (Meritek) and SMAJ17CA-TP (Micro Commercial Co) are direct functional equivalents to the CD214A-T17CALF. Both maintain identical 17V standoff and 27.6V clamping specifications with active product status. SMAJ17CA-TP offers an extended operating temperature range to 175°C, providing additional thermal margin. Both parts are ROHS3 compliant with MSL 1 rating and are available in volume quantities.

Alternative Selection (When Direct Equivalents Unavailable):

SMAJ16CA-M3/61 (Vishay) provides the closest alternative with a 16V standoff voltage and 26V clamping voltage, representing a 1V reduction in both parameters. This part maintains 400W peak pulse power and is suitable for applications where the lower voltage threshold is acceptable.

SMAJ15CA-M3/5A and SMAJ15CA-M3/61 (Vishay) offer 15V standoff and 24.4V clamping specifications with higher peak pulse current (16.4A). These are appropriate for circuits requiring lower voltage protection thresholds.

SMAJ18CA-M3/61 (Vishay) provides 18V standoff and 29.2V clamping for applications requiring higher voltage tolerance.

All substitute parts maintain DO-214AC (SMA) package compatibility, ROHS3 compliance, and MSL 1 rating, ensuring direct PCB footprint compatibility and regulatory alignment with the original component.

Frequently Asked Questions (FAQ)

Q: Can SMAJ17CA directly replace CD214A-T17CALF without circuit modification?

A: Yes. SMAJ17CA maintains identical electrical specifications (17V standoff, 27.6V clamping, 14.5A peak pulse) and package format (DO-214AC/SMA). No circuit changes are required. Both parts are ROHS3 compliant with MSL 1 rating.

Q: What is the difference between SMAJ17CA and SMAJ17CA-TP?

A: Both parts have identical electrical specifications. SMAJ17CA-TP offers an extended operating temperature range (-55°C to 175°C) compared to SMAJ17CA (-55°C to 150°C). SMAJ17CA-TP is manufactured by Micro Commercial Co, while SMAJ17CA is from Meritek. Selection depends on thermal environment requirements.

Q: Can I use SMAJ16CA-M3/61 as a substitute?

A: SMAJ16CA-M3/61 is a similar alternative with a 1V lower standoff voltage (16V vs. 17V) and 1.6V lower clamping voltage (26V vs. 27.6V). This part is suitable only if your circuit design permits operation at these lower voltage thresholds. Peak pulse current is slightly higher (15.4A vs. 14.5A), providing additional current margin.

Q: Are all substitute parts available in the same packaging?

A: Yes. All listed substitute parts use DO-214AC (SMA) surface-mount packaging, ensuring identical PCB footprint compatibility with the CD214A-T17CALF.

Q: What compliance certifications apply to substitute parts?

A: All substitute parts listed are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the original component's regulatory profile.

Q: Why is the CD214A-T17CALF marked as obsolete?

A: Obsolete status indicates the part is no longer manufactured by Bourns Inc. Direct equivalents from active manufacturers (Meritek SMAJ17CA and Micro Commercial Co SMAJ17CA-TP) provide identical functionality with ongoing supply availability.