Equivalent & Substitute Parts for Microchip Technology SMBJ5340A/TR13

Part Overview

The Microchip Technology SMBJ5340A/TR13 is a Zener Diode in the Diodes, Zener category, designed for voltage regulation with a nominal Zener voltage of 6 V and a maximum power rating of 5 W. It features a surface mount DO-214AA (SMB) package and is suitable for applications requiring robust protection and precise regulation. The product is RoHS non-compliant and actively available with substantial inventory. Selecting equivalent or substitute models is necessary to address variations in compliance requirements and packaging formats, as well as to ensure supply chain flexibility.

Key Parameters

Parameter	Value
Voltage - Zener (Nom) (Vz)	6 V
Tolerance	±10%
Power - Max	5 W
Impedance (Max) (Zzt)	1 Ohms
Current - Reverse Leakage @ Vr	1 µA @ 3 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
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8541.10.0050

Substitute Part Grouping Explanation

Substitute selection is strictly based on alignment of key electrical and mechanical parameters: Zener voltage, power rating, maximum impedance, reverse leakage current, forward voltage, operating temperature range, mounting type, and package/case format. Substitute parts are categorized as parametric equivalents and similar models when all listed parameters are the same, with possible differences only in tolerance, RoHS status, and packaging.

Parameter Comparison

Manufacturer Part Number	Manufacturer	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	ECCN	HTSUS
SMBJ5340A/TR13	Microchip Technology	6 V	±10%	5 W	1 Ohms	1 µA @ 3 V	1.2 V @ 1 A	-65°C ~ 150°C	Surface Mount	DO-214AA, SMB	RoHS non-compliant	1 (Unlimited)	REACH Unaffected	EAR99	8541.10.0050
SMBJ5340BE3/TR13	Microchip Technology	6 V	±5%	5 W	1 Ohms	1 µA @ 3 V	1.2 V @ 1 A	-65°C ~ 150°C	Surface Mount	DO-214AA, SMB	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected	EAR99	8541.10.0050
CZRB5340B-HF	Comchip Technology	6 V	±5%	5 W	1 Ohms	1 µA @ 3 V	1.2 V @ 200 mA	-55°C ~ 150°C	Surface Mount	DO-214AA, SMB	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected	EAR99	8541.10.0050

Engineering Selection Recommendations

SMBJ5340A/TR13, SMBJ5340BE3/TR13, and CZRB5340B-HF all share the same key electrical, thermal, and mechanical specifications, relevant for direct substitution. Differences between these Zener diode models are limited to tolerance, RoHS compliance, and manufacturer. For applications requiring enhanced tolerance or compliance to ROHS3, SMBJ5340BE3/TR13 and CZRB5340B-HF are suitable alternatives. Product status for all listed parts is "Active", and all share MSL 1 and REACH unaffected ratings.

Frequently Asked Questions (FAQ)

Q1: What key parameters determine the substitutability of Zener diodes in the DO-214AA (SMB) package?
A1: Substitution is based on matching Zener voltage, tolerance, power rating, impedance, reverse leakage current, forward voltage, operating temperature range, mounting type, and package/case.

Q2: Does RoHS compliance affect the electrical function of Zener diodes?
A2: RoHS status is a compliance parameter and does not affect electrical performance. It determines environmental and regulatory suitability.

Q3: Can SMBJ5340A/TR13 be directly substituted by SMBJ5340BE3/TR13 or CZRB5340B-HF in the same PCB footprint?
A3: Yes, all listed models utilize the DO-214AA (SMB) package for surface mounting and are compatible with the same footprint.

Q4: Are tolerance differences between ±10% and ±5% significant for substitution?
A4: Tolerance is a specified parameter; ±5% models can substitute ±10% types when tighter voltage regulation is required.

Q5: Is it necessary to check ECCN, HTSUS, or MSL parameters for substitute selection?
A5: All listed substitutes share ECCN EAR99, HTSUS 8541.10.0050, and MSL 1, ensuring consistency in compliance and handling requirements.

Q6: What should be verified in terms of operating temperature range?
A6: For substitutes, ensure the operating temperature range meets the application's requirements. All listed parts are within comparable temperature ranges.

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