Equivalent & Substitute Parts for SMBJ4753/TR13

Part Overview

SMBJ4753/TR13 is a Zener diode from Microchip Technology, categorized under Diodes, Zener, designed for voltage regulation and circuit protection. It features a nominal Zener voltage of 36 V, 2 W maximum power dissipation, ±10% tolerance, and is packaged in a surface-mount DO-214AA (SMBJ) case. The product is active and available in Tape & Reel (TR) format. Alternative models may be required to meet specific inventory, compliance, or sourcing requirements.

Key Parameters

Parameter	Value
Manufacturer	Microchip Technology
Manufacturer Part Number	SMBJ4753/TR13
Category	Diodes, Zener
Voltage - Zener (Nom) (Vz)	36 V
Tolerance	±10%
Power - Max	2 W
Impedance (Max) (Zzt)	50 Ohms
Current - Reverse Leakage @ Vr	5 µA @ 27.4 V
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 200 mA
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
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8541.10.0050

Substitute Part Grouping Explanation

Substitutes for SMBJ4753/TR13 are identified strictly according to the following parameters: Zener voltage (Vz), tolerance, maximum power dissipation (Power - Max), impedance (Zzt), reverse leakage current at the specified voltage, forward voltage at the defined current, operating temperature range, package/case, mounting type, and compliance statuses. Substitute parts included here match these parameters within the specified limits for the product category.

Parameter Comparison

Parameter	SMBJ4753/TR13	1SMB5938BT3G	SZ1SMB5938BT3G
Manufacturer	Microchip Technology	onsemi	onsemi
Category	Diodes, Zener	Diodes, Zener	Diodes, Zener
Voltage - Zener (Nom) (Vz)	36 V	36 V	36 V
Tolerance	±10%	±5%	±5%
Power - Max	2 W	3 W	3 W
Impedance (Max) (Zzt)	50 Ohms	38 Ohms	38 Ohms
Current - Reverse Leakage @ Vr	5 µA @ 27.4 V	1 µA @ 27.4 V	1 µA @ 27.4 V
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 200 mA	1.5 V @ 200 mA	1.5 V @ 200 mA
Operating Temperature	-65°C ~ 150°C	-65°C ~ 150°C	-65°C ~ 150°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB
Supplier Device Package	SMBJ (DO-214AA)	SMB	SMB
Product Status	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99	EAR99
HTSUS	8541.10.0050	8541.10.0050	8541.10.0050

Engineering Selection Recommendations

All compared Zener diodes are active and share critical electrical and mechanical parameters, including package type, Zener voltage, and operating temperature range. Alternative part numbers 1SMB5938BT3G and SZ1SMB5938BT3G are ROHS3 compliant, whereas SMBJ4753/TR13 is RoHS non-compliant. All options are REACH unaffected, classified as ECCN EAR99, and have identical moisture sensitivity levels.

Frequently Asked Questions (FAQ)

Q1: What parameters are critical for selecting a substitute for SMBJ4753/TR13 in the Zener diode category?
A1: Key parameters include Zener voltage, tolerance, power dissipation, impedance, reverse leakage current, forward voltage, operating temperature, mounting type, package/case, and compliance statuses.

Q2: Are the substitute Zener diodes compatible in terms of physical mounting and dimensions?
A2: All parts listed utilize the DO-214AA (SMB) package and support surface mount installation, ensuring physical compatibility.

Q3: How does RoHS compliance affect substitute selection?
A3: RoHS status is a required consideration where environmental compliance is mandated. Substitute part numbers 1SMB5938BT3G and SZ1SMB5938BT3G are ROHS3 compliant; SMBJ4753/TR13 is not.

Q4: Is there any variation in performance among these Zener diodes?
A4: Substitutes differ in tolerance, power rating, impedance, reverse leakage, and forward voltage per the provided parameters. All support the required application-specific values for the 36 V Zener diode in the DO-214AA (SMB) category.

Q5: Does automotive qualification apply to any substitutes listed?
A5: SZ1SMB5938BT3G is noted as Grade: Automotive and qualified to AEC-Q101. This parameter is applicable if automotive certification is necessary for the application.

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