Equivalent & Substitute Parts for SMBJ4757AE3/TR13 (Microchip Technology)

Part Overview

SMBJ4757AE3/TR13 from Microchip Technology is an active Zener diode in the Diodes, Zener category, intended for surface mount applications. It features a nominal breakdown voltage of 51 V, 2 W maximum power dissipation, and ±5% tolerance, housed in a DO-214AA (SMBJ) package. Finding alternatives is necessary for scenarios involving supply chain shortages, multi-sourcing requirements, or inventory constraints, ensuring uninterrupted production with compatible parts.

Substiute Parts

SMBJ4757AE3/TR13

Microchip TechnologyIn Stock: 742SMBJ4757AE3/TR13 Datasheet

Current PartRFQ

SZ1SMB5942BT3G

onsemiIn Stock: 3085SZ1SMB5942BT3G Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for SMBJ4757AE3/TR13 are selected strictly according to the following parameters:

• Voltage - Zener (Nom) (Vz): 51 V
• Tolerance: ±5%
• Power - Max: Must be ≥2 W
• Package / Case: DO-214AA, SMB
• Mounting Type: Surface Mount
• Operating Temperature: -65°C ~ 150°C
• RoHS/REACH compliance and ECCN/HTSUS alignment

All listed substitutes match these criteria, offering equivalent form, fit, and function within the Diodes, Zener product category.

Parameter Comparison

Engineering Selection Recommendations

Both SMBJ4757AE3/TR13 and SZ1SMB5942BT3G are active and current products with ROHS3 compliance and REACH unaffected status. Both possess unlimited moisture sensitivity level (MSL 1), and share ECCN and HTSUS categories suitable for Diodes, Zener applications. These equivalents meet compliance standards and provide direct interchangeability based on the supplied data.

Frequently Asked Questions (FAQ)

Q1: What are the main parameters to consider for substitute selection in the Zener diode SMBJ (DO-214AA) category?
A1: Key substitution criteria include breakdown voltage (Vz), power rating, tolerance, package type (DO-214AA, SMB), mounting type, operating temperature range, and regulatory compliance.

Q2: Are substitute parts in different packages suitable?
A2: Only parts with DO-214AA, SMB package are considered direct substitutes, ensuring consistent mechanical fit and board layout compatibility.

Q3: Are tolerance and voltage ratings mandatory to match?
A3: Yes, both voltage - Zener (Nom) (Vz) and tolerance must be identical to guarantee functional equivalence in circuit design.

Q4: Is power rating a critical criterion for interchangeability?
A4: Substitute parts must offer equal or higher power rating than the primary part to ensure reliable operation. Lower power ratings are not permitted according to supplied data.

Q5: How does compliance status affect selection?
A5: RoHS and REACH compliance, along with ECCN and HTSUS alignment, are mandatory for both environmental requirements and customs classification.

Q6: Is reverse leakage current or impedance considered essential for substitute equivalence?
A6: Reverse leakage current and impedance must be verified through provided data, matching or exceeding performance requirements of the original part.

Q7: Can automotive-grade substitutes be used for general-purpose applications in the same package?
A7: If all specified parameters are met, automotive-grade substitutes in the DO-214AA, SMB category are compatible with general-purpose requirements.