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SMBJ10CE3/TR13 Equivalent & Substitute Parts
Part Overview
The SMBJ10CE3/TR13 is a transient voltage suppressor (TVS) diode manufactured by Microchip Technology, designed for general-purpose overvoltage protection in surface-mount applications. This bidirectional zener diode operates with a 10V reverse standoff voltage and provides clamping at 18.8V maximum, with a peak pulse current rating of 31.9A. The component is packaged in DO-214AA (SMB) format and supplied on tape and reel (TR13).
The SMBJ10CE3/TR13 is an active product with full RoHS3 compliance and unlimited moisture sensitivity rating. Equivalent and substitute parts are identified based on matching electrical parameters, mechanical compatibility, and regulatory compliance to support component sourcing flexibility and supply chain continuity.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Reverse Standoff (Typ) | 10 | V |
| Voltage - Breakdown (Min) | 11.1 | V |
| Voltage - Clamping (Max) @ Ipp | 18.8 | V |
| Current - Peak Pulse (10/1000µs) | 31.9 | A |
| Power - Peak Pulse | 600 | W |
| Operating Temperature Range | -65 to 150 | °C (TJ) |
| Package / Case | DO-214AA, SMB | — |
| Mounting Type | Surface Mount | — |
| Bidirectional Channels | 1 | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the SMBJ10CE3/TR13 are qualified based on the following electrical and mechanical parameters:
Primary Matching Criteria:
- Voltage - Reverse Standoff (Typ): 10V
- Voltage - Breakdown (Min): 11V to 11.1V
- Package / Case: DO-214AA or SMB
- Mounting Type: Surface Mount
- Bidirectional Channels: 1
- Power - Peak Pulse: 600W
- RoHS3 Compliance
- MSL Rating: 1 (Unlimited)
Secondary Compatibility Parameters:
- Voltage - Clamping (Max) @ Ipp: 17V to 18.8V (acceptable range for general-purpose protection)
- Current - Peak Pulse (10/1000µs): 31.9A to 37A (acceptable range for transient suppression)
- Operating Temperature Range: -55°C to 175°C (encompasses or matches the primary part range)
All substitute parts listed maintain identical reverse standoff voltage, breakdown voltage specifications, and package format. Variations in clamping voltage and peak pulse current remain within acceptable tolerances for TVS diode substitution in general-purpose applications. All substitute parts carry active product status and full regulatory compliance.
Parameter Comparison
| Parameter | SMBJ10CE3/TR13 (Microchip) | SMBJ10CA (MDD) | SMBJ10CA-13-F (Diodes Inc.) | SMBJ10CA-TP (Micro Commercial) | SMBJ10CA-TR (STMicroelectronics) |
|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | MDD | Diodes Incorporated | Micro Commercial Co | STMicroelectronics |
| Voltage - Reverse Standoff (Typ) | 10V | 10V | 10V | 10V | 10V |
| Voltage - Breakdown (Min) | 11.1V | 11V | 11.1V | 11.1V | 11.1V |
| Voltage - Clamping (Max) @ Ipp | 18.8V | 17V | 17V | 17V | 17V |
| Current - Peak Pulse (10/1000µs) | 31.9A | 35.3A | 35.3A | 35.3A | 37A |
| Power - Peak Pulse | 600W | 600W | 600W | 600W | 600W |
| Operating Temperature Range | -65 to 150°C | -50 to 150°C | -55 to 150°C | -55 to 175°C | -55 to 150°C |
| Package / Case | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Bidirectional Channels | 1 | 1 | 1 | 1 | 1 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
All listed substitute parts maintain active product status and full RoHS3 compliance, meeting regulatory requirements equivalent to the SMBJ10CE3/TR13. Selection among substitute parts is determined by the following factors:
Voltage Clamping Characteristics: The SMBJ10CE3/TR13 specifies a maximum clamping voltage of 18.8V at peak pulse current. All substitute parts (SMBJ10CA variants) specify 17V clamping voltage, representing a 1.8V reduction in clamping voltage. This lower clamping voltage provides enhanced overvoltage protection margins in general-purpose applications.
Peak Pulse Current Ratings: Substitute parts provide peak pulse current ratings ranging from 35.3A to 37A, compared to the primary part's 31.9A rating. This represents a 10.6% to 15.9% increase in transient current handling capacity, maintaining the same 600W peak pulse power rating.
Operating Temperature Range: The SMBJ10CA-TP variant extends the upper operating temperature limit to 175°C, compared to 150°C for the primary part and most substitutes. The MDD variant (SMBJ10CA) specifies a lower minimum operating temperature of -50°C versus -65°C for the primary part.
Manufacturer Availability: Substitute parts are sourced from established semiconductor manufacturers including Diodes Incorporated, Micro Commercial Co, and STMicroelectronics, each maintaining active product status and full compliance certifications.
Frequently Asked Questions (FAQ)
Q: Can SMBJ10CA variants be used as direct replacements for SMBJ10CE3/TR13?
A: Yes. All SMBJ10CA variants share identical reverse standoff voltage (10V), breakdown voltage (11V to 11.1V), package format (DO-214AA/SMB), and mounting type (surface mount). The lower clamping voltage (17V versus 18.8V) provides equivalent or improved protection performance in general-purpose applications.
Q: What is the significance of the 1.8V difference in clamping voltage?
A: The SMBJ10CE3/TR13 clamps at 18.8V maximum, while SMBJ10CA variants clamp at 17V maximum. Lower clamping voltage indicates faster transient suppression and reduced voltage stress on protected circuitry. This difference is within acceptable tolerance for TVS diode substitution in general-purpose overvoltage protection.
Q: Are all substitute parts available in tape and reel packaging?
A: The SMBJ10CA-13-F (Diodes Incorporated) and SMBJ10CA-TR (STMicroelectronics) are specified with tape and reel (TR) packaging. The SMBJ10CA-TP (Micro Commercial Co) is supplied on tape and reel. The generic SMBJ10CA (MDD) does not specify packaging format in the provided data.
Q: Do substitute parts meet the same temperature operating range?
A: The primary part operates from -65°C to 150°C. Substitute parts operate within -50°C to 175°C ranges. The SMBJ10CA-TP extends the upper limit to 175°C, providing broader thermal operating capability. All parts maintain the same 150°C minimum upper limit except the SMBJ10CA-TP variant.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All listed substitute parts carry RoHS3 compliance certification and MSL rating of 1 (Unlimited), matching the regulatory and environmental compliance profile of the SMBJ10CE3/TR13.
Q: What is the peak pulse current difference between the primary part and substitutes?
A: The SMBJ10CE3/TR13 is rated for 31.9A peak pulse current. Substitute parts are rated for 35.3A to 37A, representing a 10.6% to 15.9% increase in transient current handling. All parts maintain identical 600W peak pulse power rating.
Q: Can I substitute based on part number alone?
A: No. While all SMBJ10CA variants share the same base product number (SMBJ10), electrical parameters and manufacturer specifications must be verified. The clamping voltage and peak pulse current variations require confirmation that the substitute meets circuit protection requirements.
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