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SMCJ54CE3/TR13 Equivalent & Substitute Parts
Part Overview
The SMCJ54CE3/TR13 is a transient voltage suppressor (TVS) diode manufactured by Microchip Technology, designed for general-purpose overvoltage protection applications. This surface-mount component operates in the 54V reverse standoff voltage range and provides bidirectional transient suppression in a DO-214AB (SMC) package. The part is currently active in production with full RoHS3 compliance and unlimited moisture sensitivity rating. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design continuity across multiple manufacturers offering compatible electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Reverse Standoff (Typ) | 54 | V |
| Voltage - Breakdown (Min) | 60 | V |
| Voltage - Clamping (Max) @ Ipp | 96.3 | V |
| Current - Peak Pulse (10/1000µs) | 15.6 | A |
| Power - Peak Pulse | 1500 | W |
| Type | Zener | — |
| Bidirectional Channels | 1 | — |
| Package / Case | DO-214AB, SMC | — |
| Mounting Type | Surface Mount | — |
| Operating Temperature Range | -65 to 150 | °C |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the SMCJ54CE3/TR13 is determined by strict equivalence across the following critical parameters:
Mandatory Matching Parameters:
- Voltage - Reverse Standoff (Typ): 54V
- Voltage - Breakdown (Min): 60V
- Bidirectional Channels: 1
- Type: Zener
- Package / Case: DO-214AB, SMC
- Mounting Type: Surface Mount
- RoHS Status: ROHS3 Compliant
- Moisture Sensitivity Level: 1 (Unlimited)
Allowable Variation Parameters:
- Voltage - Clamping (Max) @ Ipp: 87.1V to 96.3V (lower clamping voltage provides superior transient suppression)
- Current - Peak Pulse (10/1000µs): 15.6A to 57.5A (higher current rating maintains compatibility)
- Power - Peak Pulse: 1500W to 5000W (higher power rating maintains compatibility)
- Operating Temperature Range: -65°C to -55°C minimum; 150°C to 175°C maximum (extended ranges maintain compatibility)
Substitute parts meeting these criteria are functionally interchangeable within the electrical and thermal constraints of the application circuit.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Voltage - Reverse Standoff (V) | Voltage - Clamping (Max) @ Ipp (V) | Current - Peak Pulse (A) | Power - Peak Pulse (W) | Operating Temperature (°C) | Package |
|---|---|---|---|---|---|---|---|
| SMCJ54CE3/TR13 | Microchip Technology | 54 | 96.3 | 15.6 | 1500 | -65 to 150 | DO-214AB, SMC |
| 5.0SMDJ54CA | MDE Semiconductor Inc | 54 | 87.1 | 57.5 | 5000 | -55 to 150 | DO-214AB, SMC |
| 5.0SMDJ54CA-T7 | Littelfuse Inc. | 54 | 87.1 | 57.5 | 5000 | -65 to 150 | DO-214AB, SMC |
| SMCJ54CA | Meritek | 54 | 87.1 | 17.22 | 1500 | -55 to 150 | DO-214AB, SMC |
| SMCJ54CA-13-F | Diodes Incorporated | 54 | 87.1 | 17.2 | 1500 | -55 to 150 | DO-214AB, SMC |
| SMCJ54CA-TP | Micro Commercial Co | 54 | 87.1 | 17.3 | 1500 | -55 to 175 | DO-214AB, SMC |
| SMDJ54CA | Alpha & Omega Semiconductor Inc. | 54 | 87.1 | 34.5 | 3000 | -55 to 150 | DO-214AB, SMC |
Engineering Selection Recommendations
All listed substitute parts maintain active product status and full RoHS3 compliance with unlimited moisture sensitivity rating (MSL 1), ensuring regulatory and environmental compatibility with the original SMCJ54CE3/TR13.
Selection Criteria by Application Requirements:
For Extended Low-Temperature Operation (-65°C minimum): The 5.0SMDJ54CA-T7 (Littelfuse Inc.) maintains the full -65°C to 150°C operating range of the original part while providing superior transient suppression through lower clamping voltage (87.1V) and higher peak pulse current (57.5A). This part is suitable for applications requiring the original thermal envelope.
For Standard Temperature Range (-55°C to 150°C): The SMCJ54CA (Meritek), SMCJ54CA-13-F (Diodes Incorporated), and SMCJ54CA-TP (Micro Commercial Co) provide direct electrical equivalence with matched 1500W peak pulse power and comparable peak pulse current (17.2A to 17.3A). The SMCJ54CA-TP extends the upper temperature limit to 175°C, supporting applications with elevated thermal environments.
For Enhanced Transient Suppression Capability: The 5.0SMDJ54CA (MDE Semiconductor Inc) and SMDJ54CA (Alpha & Omega Semiconductor Inc.) offer superior peak pulse current ratings (57.5A and 34.5A respectively) with lower clamping voltages, providing enhanced protection margin for high-energy transient events. The 5.0SMDJ54CA delivers maximum power dissipation (5000W) for demanding applications.
All substitute parts are certified to ECCN EAR99 and HTSUS 8541.10.0080 classifications, matching the regulatory status of the original component.
Frequently Asked Questions (FAQ)
Q: Can SMCJ54CA-TP substitute for SMCJ54CE3/TR13 in all applications?
A: SMCJ54CA-TP is electrically compatible across the 54V reverse standoff voltage specification. The primary difference is the operating temperature minimum of -55°C versus -65°C on the original part. For applications operating above -55°C, SMCJ54CA-TP provides direct substitution with identical 1500W peak pulse power and comparable peak pulse current (17.3A). Applications requiring operation below -55°C require the 5.0SMDJ54CA-T7 or equivalent parts maintaining the -65°C minimum.
Q: What is the significance of lower clamping voltage in substitute parts?
A: Substitute parts with 87.1V clamping voltage (versus 96.3V on the original) provide superior transient voltage suppression by limiting peak voltage to a lower threshold. This represents an improvement in protection performance and is fully compatible with circuit designs rated for the original 96.3V clamping specification.
Q: Are there packaging differences between substitute parts?
A: All listed substitute parts use the DO-214AB (SMC) surface-mount package, ensuring mechanical and footprint compatibility. Packaging format variations (Tape & Reel versus Cut Tape) affect procurement and handling but do not impact electrical performance or circuit compatibility.
Q: Which substitute part offers the highest transient energy absorption?
A: The 5.0SMDJ54CA (MDE Semiconductor Inc) provides the maximum peak pulse power rating of 5000W with peak pulse current of 57.5A, delivering the highest transient energy absorption capability among all listed substitutes. This part is suitable for applications experiencing high-energy transient events.
Q: Is the SMCJ54CA-13-F suitable for high-temperature applications?
A: SMCJ54CA-13-F operates within -55°C to 150°C, matching the standard temperature range of most substitute parts. For applications requiring extended upper temperature operation, SMCJ54CA-TP extends to 175°C maximum junction temperature, providing superior thermal margin in elevated-temperature environments.
Q: Do all substitute parts meet the same compliance standards as the original?
A: All listed substitute parts are RoHS3 compliant with MSL 1 (unlimited moisture sensitivity), REACH unaffected status, and ECCN EAR99 classification, matching the regulatory and environmental compliance profile of SMCJ54CE3/TR13.
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