SMBJ5353AE3/TR13 Equivalent & Substitute Parts

Part Overview

The SMBJ5353AE3/TR13 is a 16 V, 5 W Zener diode manufactured by Microchip Technology in Surface Mount DO-214AA (SMB) package format. This component is classified as an active product with full RoHS3 compliance and unlimited moisture sensitivity rating. Zener diodes of this specification are used in voltage regulation, overvoltage protection, and reference voltage applications in electronic circuits. Substitute parts may be required due to inventory constraints, supply chain discontinuities, or specific packaging requirements while maintaining equivalent electrical performance within defined tolerance parameters.

Substiute Parts

SMBJ5353AE3/TR13

Microchip TechnologyIn Stock: 975SMBJ5353AE3/TR13 Datasheet

Current PartRFQ

1SMB5930BT3G

onsemiIn Stock: 803621SMB5930BT3G Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SMBJ5353AE3/TR13 is permissible when the alternative component maintains the following critical electrical parameters:

Primary Substitution Criteria:

• Zener voltage (Nominal): 16 V
• Package / Case: DO-214AA or SMB (physically and electrically compatible)
• Mounting Type: Surface Mount
• Operating Temperature Range: Minimum -65°C to 150°C coverage
• RoHS3 Compliance: Required
• Moisture Sensitivity Level: MSL 1 or equivalent

Secondary Compatibility Factors:

• Power rating may be equal or greater than 5 W
• Tolerance specification may be tighter (lower percentage) than ±10%
• Impedance and forward voltage characteristics must be within acceptable circuit design margins
• Reverse leakage current specifications must not exceed application requirements

The substitute part 1SMB5930BT3G (onsemi) meets the primary substitution criteria with the exception of maximum power rating (3 W versus 5 W), which represents a functional limitation in high-power dissipation applications.

Parameter Comparison

Engineering Selection Recommendations

SMBJ5353AE3/TR13 (Primary Selection)

The SMBJ5353AE3/TR13 is the specified component for applications requiring 5 W maximum power dissipation at 16 V nominal Zener voltage. This part maintains active product status with full RoHS3 compliance and unlimited moisture sensitivity rating. Selection of this component is appropriate when circuit design specifications explicitly require the 5 W power rating and ±10% tolerance band.

1SMB5930BT3G (Conditional Substitute)

The 1SMB5930BT3G from onsemi is electrically compatible for applications where maximum power dissipation does not exceed 3 W. This substitute maintains identical Zener voltage, operating temperature range, package format, and compliance certifications. The substitute offers improved tolerance specification (±5% versus ±10%) and is suitable for lower-power voltage regulation and protection circuits. The increased impedance (10 Ohms versus 2.5 Ohms) and higher forward voltage characteristics must be evaluated against specific circuit requirements.

Both parts maintain RoHS3 compliance, MSL 1 rating, and identical thermal operating ranges, ensuring regulatory and environmental compatibility across applications.

Frequently Asked Questions (FAQ)

Q: Can the 1SMB5930BT3G directly replace the SMBJ5353AE3/TR13 in all applications?

A: Direct substitution is limited by power rating. The 1SMB5930BT3G is rated for 3 W maximum power dissipation compared to 5 W for the SMBJ5353AE3/TR13. Substitution is valid only when circuit power dissipation remains below 3 W. Additionally, the higher impedance (10 Ohms versus 2.5 Ohms) may affect dynamic voltage regulation performance in applications requiring rapid transient response.

Q: Are the package formats identical between these parts?

A: Both components use the DO-214AA (SMB) Surface Mount package format. Physical dimensions and PCB footprints are identical, permitting direct board-level substitution without layout modification.

Q: What is the significance of the impedance difference?

A: Impedance (Zzt) affects the dynamic impedance of the Zener diode during transient conditions. The SMBJ5353AE3/TR13 has lower impedance (2.5 Ohms), providing better voltage regulation stability during rapid load changes. The 1SMB5930BT3G impedance of 10 Ohms is acceptable for applications with slower transient requirements but may result in greater voltage ripple in high-frequency switching circuits.

Q: Does the tighter tolerance of the substitute part provide an advantage?

A: The 1SMB5930BT3G tolerance of ±5% is tighter than the SMBJ5353AE3/TR13 tolerance of ±10%, providing improved voltage accuracy. This characteristic is advantageous in precision voltage reference applications where tighter voltage regulation is required.

Q: Are both parts compliant with current regulatory standards?

A: Both components are RoHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating. Both maintain identical operating temperature ranges (-65°C to 150°C) and are suitable for equivalent regulatory and environmental applications.

Q: What is the primary limitation of using the 1SMB5930BT3G as a substitute?

A: The primary limitation is the reduced maximum power rating of 3 W versus 5 W. Applications requiring sustained power dissipation above 3 W must use the SMBJ5353AE3/TR13 to prevent thermal stress and component failure.