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SMLJ5.0AE3/TR13 Equivalent & Substitute Parts
Part Overview
The SMLJ5.0AE3/TR13 is a unidirectional transient voltage suppressor (TVS) diode manufactured by Microchip Technology, classified as a Zener-type device in the DO-214AB surface mount package. This component is designed for general-purpose transient voltage suppression applications, featuring a 5V reverse standoff voltage and 9.2V maximum clamping voltage at peak pulse current. The part is active in production status with full RoHS3 compliance and unlimited moisture sensitivity rating.
Equivalent and substitute parts are identified based on matching electrical performance parameters and mechanical compatibility within the TVS diode category. Substitutes are selected where voltage ratings, clamping characteristics, peak pulse current specifications, and surface mount packaging remain functionally equivalent or superior for the intended application.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Reverse Standoff (Typ) | 5 | V |
| Voltage - Breakdown (Min) | 6.4 | V |
| Voltage - Clamping (Max) @ Ipp | 9.2 | V |
| Current - Peak Pulse (10/1000µs) | 326 | A |
| Power - Peak Pulse | 300 | W |
| Operating Temperature Range | -55 to 150 | °C (TJ) |
| Package / Case | DO-214AB, SMC | — |
| Mounting Type | Surface Mount | — |
| Type | Zener | — |
| Unidirectional Channels | 1 | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the SMLJ5.0AE3/TR13 are classified into two categories based on electrical and mechanical compatibility:
Direct Substitutes maintain identical or equivalent electrical performance across all critical parameters: 5V reverse standoff voltage, 6.4V minimum breakdown voltage, 9.2V maximum clamping voltage, and 326A peak pulse current (10/1000µs waveform). These parts are interchangeable in applications where the original specification is required. Direct substitutes include SMLJ5.0A (Bourns Inc.), SMLJ5.0A-TP (Micro Commercial Co), 3.0SMCJ5.0A-13 (Diodes Incorporated), and 3SMC5.0A TR13 PBFREE (Central Semiconductor Corp).
Similar Parts share the same voltage ratings (5V standoff, 6.4V breakdown, 9.2V clamping) and surface mount DO-214AB packaging but differ in peak pulse current capacity or clamping voltage specifications. These parts are suitable for applications where lower current handling or different clamping characteristics are acceptable. Similar parts include SMCJ5.0A (EVVO Semi), SMCJ5.0A-13-F (Diodes Incorporated), SMCJ5.0A-TP (Micro Commercial Co), and SMCJ5.0A-TR (STMicroelectronics).
Substitution logic is based strictly on the following key parameters:
- Voltage - Reverse Standoff (Typ): 5V
- Voltage - Breakdown (Min): 6.4V
- Voltage - Clamping (Max) @ Ipp: 9.2V (or higher for similar parts)
- Current - Peak Pulse (10/1000µs): 326A (or lower for similar parts)
- Package / Case: DO-214AB, SMC
- Mounting Type: Surface Mount
- Type: Zener
- Unidirectional Channels: 1
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Voltage - Reverse Standoff (V) | Voltage - Breakdown (V) | Voltage - Clamping (V) | Current - Peak Pulse (A) | Power - Peak Pulse (W) | Operating Temperature (°C) | Package | Substitution Type |
|---|---|---|---|---|---|---|---|---|---|
| SMLJ5.0AE3/TR13 | Microchip Technology | 5 | 6.4 | 9.2 | 326 | 300 | -55 to 150 | DO-214AB, SMC | Main Part |
| 3.0SMCJ5.0A-13 | Diodes Incorporated | 5 | 6.4 | 9.2 | 326.1 | 3000 | -55 to 150 | DO-214AB, SMC | Direct Substitute |
| 3SMC5.0A TR13 PBFREE | Central Semiconductor Corp | 5 | 6.4 | 9.2 | 326 | 3000 | -65 to 150 | DO-214AB, SMC | Direct Substitute |
| SMLJ5.0A | Bourns Inc. | 5 | 6.4 | 9.2 | 326 | 3000 | -55 to 150 | DO-214AB, SMC | Direct Substitute |
| SMLJ5.0A-TP | Micro Commercial Co | 5 | 6.4 | 9.2 | 326 | 3000 | -55 to 175 | DO-214AB, SMC | Direct Substitute |
| SMCJ5.0A | EVVO Semi | 5 | 6.4 | 9.2 | 163 | 1500 | -55 to 150 | DO-214AB, SMC | Similar Part |
| SMCJ5.0A-13-F | Diodes Incorporated | 5 | 6.4 | 9.2 | 163 | 1500 | -55 to 150 | DO-214AB, SMC | Similar Part |
| SMCJ5.0A-TP | Micro Commercial Co | 5 | 6.4 | 9.2 | 163 | 1500 | -55 to 175 | DO-214AB, SMC | Similar Part |
| SMCJ5.0A-TR | STMicroelectronics | 5 | 6.4 | 13.4 | 746 | 1500 | -55 to 150 | DO-214AB, SMC | Similar Part |
Engineering Selection Recommendations
Direct Substitutes (SMLJ5.0A, SMLJ5.0A-TP, 3.0SMCJ5.0A-13, 3SMC5.0A TR13 PBFREE) are recommended for applications requiring exact electrical performance matching. All direct substitutes maintain the 5V reverse standoff, 6.4V breakdown, and 9.2V clamping specifications with 326A peak pulse current capacity. All direct substitutes carry RoHS3 compliance and MSL 1 (Unlimited) ratings, ensuring compatibility with standard manufacturing processes.
SMLJ5.0A-TP (Micro Commercial Co) offers extended operating temperature range to 175°C, providing thermal margin for high-temperature environments compared to the main part specification of 150°C. 3SMC5.0A TR13 PBFREE (Central Semiconductor Corp) extends the lower operating temperature to -65°C, suitable for cryogenic or extreme cold applications.
Similar Parts (SMCJ5.0A variants, SMCJ5.0A-TR) are suitable for applications where reduced peak pulse current handling is acceptable. SMCJ5.0A devices from EVVO Semi and Diodes Incorporated operate at 163A peak pulse current (50% of the main part), with 1500W peak pulse power. SMCJ5.0A-TP (Micro Commercial Co) provides the same 163A current rating with extended temperature range to 175°C.
SMCJ5.0A-TR (STMicroelectronics) differs significantly with 13.4V maximum clamping voltage and 746A peak pulse current (8/20µs waveform), representing a higher-performance variant for applications requiring enhanced transient suppression.
All substitute parts maintain active production status, RoHS3 compliance, and surface mount DO-214AB packaging compatibility with the original SMLJ5.0AE3/TR13 specification.
Frequently Asked Questions (FAQ)
Q: Can SMLJ5.0A (Bourns Inc.) be used as a direct replacement for SMLJ5.0AE3/TR13?
A: Yes. SMLJ5.0A is a direct substitute with identical voltage ratings (5V standoff, 6.4V breakdown, 9.2V clamping) and peak pulse current (326A). Both parts use DO-214AB surface mount packaging and operate across -55°C to 150°C. The primary difference is packaging format (Tape & Reel for both), with SMLJ5.0A offering higher peak pulse power rating (3000W vs 300W).
Q: What is the difference between direct substitutes and similar parts?
A: Direct substitutes maintain identical electrical specifications across all critical parameters: 5V reverse standoff, 6.4V breakdown, 9.2V clamping, and 326A peak pulse current. Similar parts share the same voltage ratings but differ in current handling capacity (163A for SMCJ5.0A variants) or clamping voltage (13.4V for SMCJ5.0A-TR). Similar parts are suitable only when reduced current capacity or different clamping characteristics are acceptable for the application.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All direct and similar substitute parts listed carry RoHS3 compliance certification, matching the environmental compliance of the original SMLJ5.0AE3/TR13 part.
Q: Which substitute offers the widest operating temperature range?
A: SMLJ5.0A-TP (Micro Commercial Co) and SMCJ5.0A-TP (Micro Commercial Co) both extend the upper operating temperature to 175°C, compared to 150°C for the main part. 3SMC5.0A TR13 PBFREE (Central Semiconductor Corp) extends the lower temperature to -65°C for cryogenic applications.
Q: Can SMCJ5.0A-TR (STMicroelectronics) be used as a substitute?
A: SMCJ5.0A-TR shares the same 5V reverse standoff and 6.4V breakdown voltage but differs in clamping voltage (13.4V vs 9.2V) and peak pulse current (746A vs 326A). This part is suitable only for applications where higher clamping voltage and current capacity are acceptable or beneficial. It is not a direct replacement for circuits designed specifically for 9.2V clamping.
Q: What is the significance of the DO-214AB package designation?
A: DO-214AB is the industry-standard surface mount package for TVS diodes in the SMC form factor. All listed substitute parts use this package, ensuring mechanical and electrical compatibility with PCB layouts designed for the original SMLJ5.0AE3/TR13 part.
Q: Are there inventory considerations when selecting a substitute?
A: Inventory levels vary by manufacturer and part number. SMLJ5.0A (Bourns Inc.) maintains the highest inventory at 15,400 pieces. SMCJ5.0A (EVVO Semi) offers 47,140 pieces. Availability should be confirmed with component suppliers for production requirements.
Q: What packaging formats are available for substitute parts?
A: Direct substitutes are available in Tape & Reel (TR) format, matching the original part. Similar parts from Diodes Incorporated (3.0SMCJ5.0A-13, SMCJ5.0A-13-F) are available in Cut Tape (CT) & Digi-Reel® format. Packaging format selection depends on assembly process requirements and volume.
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