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SMBJ10AE3/TR13 Equivalent & Substitute Parts
Part Overview
The SMBJ10AE3/TR13 is a unidirectional transient voltage suppressor (TVS) diode manufactured by Microchip Technology, designed for general-purpose overvoltage protection in surface-mount applications. This zener-type TVS diode operates with a 10V reverse standoff voltage and provides 17V maximum clamping voltage at peak pulse current. The device is housed in a DO-214AA (SMB) package and is supplied in Tape & Reel (TR) packaging format.
The SMBJ10AE3/TR13 maintains Active product status and is fully compliant with RoHS3 and REACH regulations. Equivalent and substitute parts are identified based on matching electrical performance parameters, mechanical compatibility, and packaging specifications. Alternative sources provide identical or functionally equivalent performance for applications requiring component availability, supply chain flexibility, or design optimization.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Reverse Standoff (Typ) | 10 | V |
| Voltage - Breakdown (Min) | 11.1 | V |
| Voltage - Clamping (Max) @ Ipp | 17 | V |
| Current - Peak Pulse (10/1000µs) | 35.3 | A |
| Power - Peak Pulse | 600 | W |
| Operating Temperature Range | -65 to 150 | °C (TJ) |
| Package / Case | DO-214AA, SMB | — |
| 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 SMBJ10AE3/TR13 are classified into two categories based on electrical and mechanical parameter alignment:
Direct Substitutes maintain identical electrical specifications across all critical parameters: 10V reverse standoff voltage, 11.1V minimum breakdown voltage, 17V maximum clamping voltage, and 35.3A peak pulse current. These parts are functionally interchangeable in circuit applications and differ only in manufacturer source or packaging format (Tape & Reel versus Cut Tape). Direct substitutes include parts from Central Semiconductor Corp, MDD, Diodes Incorporated, Vishay General Semiconductor, and Micro Commercial Co.
Similar Substitutes provide comparable overvoltage protection performance with minor deviations in electrical parameters. These parts maintain the same 10V reverse standoff voltage and DO-214AA/SMB package format but exhibit variations in clamping voltage or peak pulse current specifications. Similar substitutes are suitable for applications where exact parameter matching is not critical and performance tolerance permits the specified variations.
Key Parameters Determining Substitution:
- Voltage - Reverse Standoff (Typ): 10V
- Voltage - Clamping (Max) @ Ipp: 17V (direct) or 16.3V (similar)
- Current - Peak Pulse (10/1000µs): 35.3A (direct) or 29A–37A (similar)
- Package / Case: DO-214AA, SMB
- Mounting Type: Surface Mount
- Type: Zener, Unidirectional
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Voltage - Reverse Standoff (V) | Voltage - Breakdown Min (V) | Voltage - Clamping Max @ Ipp (V) | Current - Peak Pulse (A) | Power - Peak Pulse (W) | Operating Temperature (°C) | Package | Substitution Type |
|---|---|---|---|---|---|---|---|---|---|
| SMBJ10AE3/TR13 | Microchip Technology | 10 | 11.1 | 17 | 35.3 | 600 | -65 to 150 | DO-214AA, SMB | Main Part |
| 1SMB10A TR13 PBFREE | Central Semiconductor Corp | 10 | 11.1 | 17 | 35.3 | 600 | -65 to 150 | DO-214AA, SMB | Direct |
| SMBJ10A | MDD | 10 | 11 | 17 | 35.3 | 600 | -50 to 150 | DO-214AA, SMB | Direct |
| SMBJ10A-13-F | Diodes Incorporated | 10 | 11.1 | 17 | 35.3 | 600 | -55 to 150 | DO-214AA, SMB | Direct |
| SMBJ10A-E3/52 | Vishay General Semiconductor - Diodes Division | 10 | 11.1 | 17 | 35.3 | 600 | -55 to 150 | DO-214AA, SMB | Direct |
| SMBJ10A-TP | Micro Commercial Co | 10 | 11.1 | 17 | 35.3 | 600 | -55 to 175 | DO-214AA, SMB | Direct |
| SMBJ10A-TR | STMicroelectronics | 10 | 11.1 | 17 | 37 | 600 | -55 to 150 | DO-214AA, SMB | Similar |
| SACB10 | Littelfuse Inc. | 10 | 11.1 | 16.3 | 29 | 500 | -55 to 150 | DO-214AA, SMB | Similar |
Engineering Selection Recommendations
Direct Substitutes (1SMB10A TR13 PBFREE, SMBJ10A, SMBJ10A-13-F, SMBJ10A-E3/52, SMBJ10A-TP) are recommended for applications requiring exact electrical performance matching. All direct substitutes maintain identical reverse standoff voltage (10V), clamping voltage (17V), and peak pulse current (35.3A) specifications. These parts are suitable for drop-in replacement without circuit redesign.
The SMBJ10A-TP variant from Micro Commercial Co offers an extended upper operating temperature limit of 175°C, compared to the standard 150°C maximum, providing additional thermal margin for high-temperature applications while maintaining all other electrical parameters.
Similar Substitutes (SMBJ10A-TR from STMicroelectronics and SACB10 from Littelfuse Inc.) are applicable in applications where minor deviations in clamping voltage or peak pulse current are acceptable. The SMBJ10A-TR provides 37A peak pulse current (versus 35.3A) with identical clamping voltage, offering enhanced transient suppression capability. The SACB10 operates at 16.3V clamping voltage and 29A peak pulse current, suitable for applications with lower transient energy requirements.
All substitute parts maintain Active product status, RoHS3 compliance, and REACH compliance, ensuring regulatory alignment with the original SMBJ10AE3/TR13 specification.
Frequently Asked Questions (FAQ)
Q: Can the SMBJ10A from MDD be used as a direct replacement for SMBJ10AE3/TR13?
A: Yes. The SMBJ10A from MDD is a direct substitute with identical electrical performance: 10V reverse standoff voltage, 17V clamping voltage, and 35.3A peak pulse current. The primary difference is the operating temperature range (-50°C to 150°C versus -65°C to 150°C), which is acceptable for most general-purpose applications. Both parts use DO-214AA/SMB packaging and are surface-mount compatible.
Q: What is the difference between direct and similar substitutes?
A: Direct substitutes maintain identical electrical specifications across all critical parameters (reverse standoff voltage, clamping voltage, and peak pulse current). Similar substitutes provide comparable overvoltage protection but with variations in clamping voltage or peak pulse current. Direct substitutes are interchangeable without circuit modification; similar substitutes require application-level evaluation to confirm performance adequacy.
Q: Is the SMBJ10A-TP suitable for high-temperature environments?
A: Yes. The SMBJ10A-TP from Micro Commercial Co operates across -55°C to 175°C, providing a 25°C higher upper temperature limit compared to the standard SMBJ10AE3/TR13 (-65°C to 150°C). This extended range is beneficial for applications in elevated-temperature environments while maintaining identical electrical performance.
Q: Can the SACB10 from Littelfuse be used in place of SMBJ10AE3/TR13?
A: The SACB10 is a similar substitute with comparable but not identical specifications. It operates at 16.3V clamping voltage (versus 17V) and 29A peak pulse current (versus 35.3A). The SACB10 is suitable for applications where these parameter variations are acceptable and transient energy requirements are lower. Circuit-level evaluation is required to confirm compatibility.
Q: Are all substitute parts available in Tape & Reel packaging?
A: Most direct substitutes are available in Tape & Reel (TR) format. The SMBJ10A-E3/52 from Vishay is supplied in Cut Tape (CT) & Digi-Reel® format. Packaging format differences do not affect electrical performance but may impact procurement and assembly processes. Verify packaging availability with the supplier for your specific application requirements.
Q: Do all substitute parts meet RoHS3 and REACH compliance?
A: Yes. All direct and similar substitute parts listed maintain RoHS3 compliance and REACH compliance status, matching the regulatory requirements of the original SMBJ10AE3/TR13. Moisture Sensitivity Level (MSL) is 1 (Unlimited) for all parts, indicating no moisture-related handling restrictions.
Q: What is the significance of the "PBFREE" designation in 1SMB10A TR13 PBFREE?
A: The "PBFREE" designation indicates lead-free construction, confirming compliance with RoHS directives that restrict hazardous substances including lead. This is consistent with the RoHS3 compliance status of the original SMBJ10AE3/TR13 and all listed substitutes.
Q: Can SMBJ10A-TR from STMicroelectronics be used if higher peak pulse current is needed?
A: Yes. The SMBJ10A-TR provides 37A peak pulse current compared to the 35.3A specification of SMBJ10AE3/TR13, offering enhanced transient suppression capability. All other electrical parameters (10V reverse standoff, 17V clamping voltage) remain identical, making it suitable for applications requiring higher transient current handling within the same voltage protection window.
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