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SMBJ5343A/TR13 Equivalent & Substitute Parts Reference
Part Overview
The SMBJ5343A/TR13 by Microchip Technology is a surface mount Zener diode designed for voltage regulation and protection applications. It features a nominal Zener voltage of 7.5 V, a power rating of 5 W, and is housed in a DO-214AA, SMB package. The product status is “Active”, but finding suitable alternative part numbers may be necessary due to requirements related to RoHS compliance, procurement lead times, or inventory levels.
Substiute Parts
Key Parameters
| Manufacturer Part Number | Manufacturer | Category | Packaging | Description | Voltage - Zener (Nom) (Vz) | Tolerance | Power - Max | Impedance (Max) (Zzt) | Current - Reverse Leakage @ Vr | Voltage - Forward (Vf) (Max) @ If | Operating Temperature | Mounting Type | Package / Case | RoHS Status | Moisture Sensitivity Level (MSL) | REACH Status | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SMBJ5343A/TR13 | Microchip Technology | Diodes, Zener | Tape & Reel (TR) | DIODE ZENER 7.5V 5W SMBJ | 7.5 V | ±10% | 5 W | 1.5 Ohms | 10 µA @ 5.4 V | 1.2 V @ 1 A | -65°C ~ 150°C | Surface Mount | DO-214AA, SMB | RoHS non-compliant | 1 (Unlimited) | REACH Unaffected | Active |
Substitute Part Grouping Explanation
Substitute part selection for the Zener diode category is strictly determined by matching the following key parameters: nominal Zener voltage, tolerance, maximum power rating, maximum impedance, reverse leakage current, forward voltage, operating temperature range, mounting type, package, compliance status, and product status. Only those substitute parts meeting these criteria are included for direct component replacement.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Category | Packaging | Voltage - Zener (Nom) (Vz) | Tolerance | Power - Max | Impedance (Max) (Zzt) | Current - Reverse Leakage @ Vr | Voltage - Forward (Vf) (Max) @ If | Operating Temperature | Mounting Type | Package / Case | RoHS Status | Moisture Sensitivity Level (MSL) | REACH Status | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SMBJ5343A/TR13 | Microchip Technology | Diodes, Zener | Tape & Reel (TR) | 7.5 V | ±10% | 5 W | 1.5 Ohms | 10 µA @ 5.4 V | 1.2 V @ 1 A | -65°C ~ 150°C | Surface Mount | DO-214AA, SMB | RoHS non-compliant | 1 (Unlimited) | REACH Unaffected | Active |
| 1SMB5922B-13 | Diodes Incorporated | Diodes, Zener | Cut Tape (CT) | 7.5 V | ±5% | 3 W | 3 Ohms | 5 µA @ 6 V | 1.5 V @ 200 mA | -65°C ~ 150°C | Surface Mount | DO-214AA, SMB | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | Active |
Engineering Selection Recommendations
The SMBJ5343A/TR13 is listed as RoHS non-compliant, while the substitute 1SMB5922B-13 is ROHS3 compliant. Both have active product status and MSL 1, suitable for unlimited storage conditions. REACH status is unaffected for both parts. Selection may be determined by compliance requirements or inventory considerations, based strictly on the data provided.
Frequently Asked Questions (FAQ)
Q1: What are the essential parameters to review before substituting the SMBJ5343A/TR13 with another Zener diode?
A1: Key parameters are Zener voltage, tolerance, power rating, impedance, reverse leakage current, forward voltage, operating temperature, mounting type, package/case, and compliance status.
Q2: Does the substitute part 1SMB5922B-13 fit in the same mechanical footprint as the SMBJ5343A/TR13?
A2: Both parts use the DO-214AA, SMB package and are surface mount devices, ensuring mechanical compatibility.
Q3: Are there differences in compliance certification between the SMBJ5343A/TR13 and the 1SMB5922B-13?
A3: SMBJ5343A/TR13 is RoHS non-compliant; 1SMB5922B-13 is ROHS3 compliant. Both are REACH unaffected.
Q4: Is the substitute part available with an equivalent or better product status?
A4: Both parts are currently listed as “Active”.
Q5: What considerations apply when changing packaging type between Tape & Reel and Cut Tape?
A5: Packaging type impacts handling and production processes but does not affect electrical or mechanical compatibility when the device package matches.
Q6: Is there any impact on storage requirements between these parts?
A6: Both parts have Moisture Sensitivity Level (MSL) 1 (Unlimited), allowing similar storage conditions.
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