SMAJ14CA-13 Equivalent & Substitute Parts

Part Overview

The SMAJ14CA-13 is a bidirectional Zener transient voltage suppressor (TVS) diode manufactured by Diodes Incorporated in the DO-214AC (SMA) surface mount package. This component is designed for general-purpose transient voltage suppression applications with a 14V reverse standoff voltage and 23.2V maximum clamping voltage. The part is currently discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications.

Substiute Parts

SMAJ14CA-13

Diodes IncorporatedIn Stock: 969SMAJ14CA-13 Datasheet

Current PartRFQ

SMAJ14CA-13-F

Diodes IncorporatedIn Stock: 5210SMAJ14CA-13-F Datasheet

DirectRFQ

SMAJ14CA

Good-Ark SemiconductorIn Stock: 65459SMAJ14CA Datasheet

MFR RecommendedRFQ

SMAJ14CA

Good-Ark SemiconductorIn Stock: 65459SMAJ14CA Datasheet

MFR RecommendedRFQ

SMAJ14CA-TP

Micro Commercial CoIn Stock: 15719SMAJ14CA-TP Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SMAJ14CA-13 is determined by strict equivalence across the following electrical and mechanical parameters:

• Voltage - Reverse Standoff (Typ): 14V
• Voltage - Breakdown (Min): 15.6V
• Voltage - Clamping (Max) @ Ipp: 23.2V
• Current - Peak Pulse (10/1000µs): 17.2A
• Power - Peak Pulse: 400W
• Package / Case: DO-214AC, SMA
• Type: Zener, Bidirectional
• Bidirectional Channels: 1

All identified substitute parts maintain identical electrical specifications and package configuration, ensuring functional compatibility in the original application circuit. Differences in manufacturer, product status, and compliance certifications are noted separately.

Parameter Comparison

Engineering Selection Recommendations

SMAJ14CA-13-F (Diodes Incorporated) is the direct manufacturer equivalent with identical electrical and thermal specifications. This part maintains active product status and achieves ROHS3 compliance, addressing regulatory requirements while preserving the original design intent.

SMAJ14CA (Good-Ark Semiconductor) provides electrical equivalence with ROHS3 compliance and the highest inventory availability (65,400 units). This part is suitable for applications where manufacturer source diversification is acceptable.

SMAJ14CA-TP (Micro Commercial Co) offers electrical equivalence with ROHS3 compliance and an extended operating temperature range to 175°C (TA). This part is appropriate for applications requiring higher ambient temperature tolerance.

All three substitute parts are electrically and mechanically compatible with the original SMAJ14CA-13 design. Selection should be based on supply chain requirements, compliance mandates, and inventory availability.

Frequently Asked Questions (FAQ)

Q: Can SMAJ14CA-13-F be used as a direct replacement for SMAJ14CA-13?

A: Yes. SMAJ14CA-13-F maintains identical electrical parameters (14V standoff, 23.2V clamping, 17.2A peak pulse current, 400W peak power) and the same DO-214AC (SMA) package configuration. The primary difference is active product status and ROHS3 compliance.

Q: What is the difference between the Diodes Incorporated and Good-Ark versions?

A: Both SMAJ14CA-13-F (Diodes) and SMAJ14CA (Good-Ark) are electrically identical with matching voltage and current ratings. The Good-Ark part offers significantly higher inventory availability and is suitable where manufacturer source diversification is acceptable.

Q: Does the SMAJ14CA-TP from Micro Commercial Co have different electrical specifications?

A: No. The SMAJ14CA-TP maintains identical electrical specifications (14V standoff, 23.2V clamping, 17.2A peak pulse, 400W peak power) and DO-214AC (SMA) package. The distinction is an extended operating temperature range to 175°C (TA) compared to 150°C (TJ) for other variants.

Q: Are all substitute parts ROHS3 compliant?

A: SMAJ14CA-13-F, SMAJ14CA, and SMAJ14CA-TP are all ROHS3 compliant. The original SMAJ14CA-13 is RoHS non-compliant. Substitution with any of these parts addresses RoHS compliance requirements.

Q: Can these parts be used interchangeably in PCB assembly?

A: Yes. All substitute parts use the identical DO-214AC (SMA) surface mount package with the same footprint, pin configuration, and soldering requirements. No PCB layout modifications are necessary.

Q: Which substitute part should be selected for new designs?

A: For new designs, SMAJ14CA-13-F, SMAJ14CA, or SMAJ14CA-TP are all suitable. Selection depends on manufacturer preference, supply chain strategy, and temperature operating requirements. All three parts are active and ROHS3 compliant.