SMBJ5364C/TR13 Equivalent & Substitute Zener Diodes Reference

Part Overview

The Microchip Technology SMBJ5364C/TR13 is a surface-mount Zener diode designed for voltage regulation with a nominal Zener voltage of 33 V, 5 W power handling, ±2% tolerance, and SMBJ (DO-214AA) package. Product status is Active. Alternative models are required to address supply chain management, availability, and compliance requirements, or to replace RoHS non-compliant parts with fully RoHS-compliant substitutes, provided all critical parameters are met.

Key Parameters

Parameter	Main Part
Manufacturer Part Number	SMBJ5364C/TR13
Category	Diodes, Zener
Voltage - Zener (Nom) (Vz)	33 V
Tolerance	±2%
Power - Max	5 W
Impedance (Max) (Zzt)	10 Ohms
Current - Reverse Leakage @ Vr	500 nA @ 23.8 V
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 1 A
Operating Temperature	-65°C ~ 150°C
Mounting Type	Surface Mount
Package / Case	DO-214AA, SMB
Supplier Device Package	SMBJ (DO-214AA)
RoHS Status	RoHS non-compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitution is determined based on matching nominal Zener voltage, package/case type, mounting method, and similar electrical characteristics (tolerance, power rating, and impedance). All substitute Zener diodes listed are Surface Mount, use the DO-214AA (SMB) package, are in the Diodes, Zener category, and have a nominal Zener voltage of 33 V. Only parts with an Active product status are considered. Variations in tolerance, power rating, and regulatory compliance are included to address specific engineering requirements.

Parameter Comparison

Parameter	Main Part (SMBJ5364C/TR13)	Substitute Part (SMBZ5937B-E3/52)
Category	Diodes, Zener	Diodes, Zener
Voltage - Zener (Nom) (Vz)	33 V	33 V
Tolerance	±2%	±5%
Power - Max	5 W	3 W
Impedance (Max) (Zzt)	10 Ohms	33 Ohms
Current - Reverse Leakage @ Vr	500 nA @ 23.8 V	1 µA @ 25.1 V
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 1 A	1.5 V @ 200 mA
Operating Temperature	-65°C ~ 150°C	-55°C ~ 150°C
Mounting Type	Surface Mount	Surface Mount
Package / Case	DO-214AA, SMB	DO-214AA, SMB
Supplier Device Package	SMBJ (DO-214AA)	DO-214AA (SMBJ)
RoHS Status	RoHS non-compliant	ROHS3 Compliant
Product Status	Active	Active

Engineering Selection Recommendations

Selection between SMBJ5364C/TR13 and SMBZ5937B-E3/52 should be based on product status (Active) and environmental compliance requirements. SMBJ5364C/TR13 is RoHS non-compliant; SMBZ5937B-E3/52 is ROHS3 compliant. All substitute devices listed have an Active status and are suitable for use where 33 V Zener diodes in DO-214AA, SMB packages are required, provided only the parameters above are considered.

Frequently Asked Questions (FAQ)

Q1: What are the most critical parameters when selecting Zener diode substitutes in the DO-214AA (SMB) package?
A1: Critical parameters include Zener voltage (Vz), tolerance, power rating, package/case, mounting type, and compliance status.

Q2: Is the SMBZ5937B-E3/52 Zener diode a drop-in replacement for SMBJ5364C/TR13?
A2: SMBZ5937B-E3/52 matches the package, mounting type, Zener voltage, and product category, but differs in tolerance, power rating, impedance, and compliance status. Compatibility depends strictly on these defined parameters.

Q3: Why is compliance status relevant for Zener diode substitution?
A3: Compliance status (RoHS/REACH) affects product selection for applications requiring environmental certifications or compliance with legislative directives.

Q4: How important is matching the power rating and tolerance?
A4: The power rating and tolerance impact device performance and application suitability. Only select substitutes with properties that meet or exceed application requirements as defined by the listed parameters.

Q5: What package details ensure mechanical compatibility?
A5: Both SMBJ5364C/TR13 and SMBZ5937B-E3/52 use the DO-214AA (SMB) surface-mount package, ensuring footprint and reflow compatibility as per the provided specifications.

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