SMBJ5925CE3/TR13 Equivalent & Substitute Parts Engineering Reference

Part Overview

SMBJ5925CE3/TR13 from Microchip Technology is a surface-mount Zener diode in the Diodes, Zener category. It features a nominal Zener voltage of 10 V, rated for a maximum power of 2 W, with a ±2% tolerance, packaged in a DO-214AA (SMBJ) for tape & reel (TR) mounting. This component is RoHS3 compliant, REACH unaffected, and has unlimited moisture sensitivity (MSL 1). The product is active and has 726 units in new, original inventory.

Finding alternative or substitute Zener diodes is necessary to address supply chain continuity, line-down risks, and procurement flexibility where identical key electrical and mechanical parameters are required for direct form-fit-function replacement.

Key Parameters

Parameter	SMBJ5925CE3/TR13
Manufacturer	Microchip Technology
Category	Diodes, Zener
Voltage - Zener (Nom) (Vz)	10 V
Tolerance	±2%
Power - Max	2 W
Impedance (Max) (Zzt)	4.5 Ohms
Current - Reverse Leakage @ Vr	5 µA @ 8 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	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute Zener diodes are identified strictly by comparing key parameters required for equivalency in electrical and mechanical fit within the Diodes, Zener category. The parameters used for allowable substitution include: nominal Zener voltage (Vz), power rating, tolerance, maximum impedance (Zzt), reverse leakage current, voltage-forward characteristic, operating temperature range, mounting type, and package/case outline.

Parameter Comparison

Parameter	SMBJ5925CE3/TR13 (Microchip Technology)	SZ1SMB5925BT3G (onsemi)
Category	Diodes, Zener	Diodes, Zener
Voltage - Zener (Nom) (Vz)	10 V	10 V
Tolerance	±2%	±5%
Power - Max	2 W	3 W
Impedance (Max) (Zzt)	4.5 Ohms	4.5 Ohms
Current - Reverse Leakage @ Vr	5 µA @ 8 V	5 µA @ 8 V
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 200 mA	1.5 V @ 200 mA
Operating Temperature	-65°C ~ 150°C	-65°C ~ 150°C
Mounting Type	Surface Mount	Surface Mount
Package / Case	DO-214AA, SMB	DO-214AA, SMB
Supplier Device Package	SMBJ (DO-214AA)	SMB
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Both SMBJ5925CE3/TR13 and SZ1SMB5925BT3G are in active production status, are RoHS3 compliant, have an MSL of 1 (Unlimited), and are REACH unaffected. Each substitute is supplied in a common DO-214AA, SMB package suitable for surface-mount assembly as required by the category and application specifications.

Frequently Asked Questions (FAQ)

Q1: On what basis are substitutes for SMBJ5925CE3/TR13 selected?
A1: Substitute Zener diodes are selected based on matching Zener voltage, power rating, tolerance, maximum impedance, reverse leakage current, voltage forward rating, thermal characteristics, mounting type, and package (DO-214AA, SMB).

Q2: Is SZ1SMB5925BT3G mechanically compatible with SMBJ5925CE3/TR13?
A2: Both parts use the DO-214AA (SMB) standard package and are designed for surface-mount installation, ensuring mechanical compatibility.

Q3: Are there differences in RoHS and REACH status between the parts listed?
A3: Both SMBJ5925CE3/TR13 and SZ1SMB5925BT3G are ROHS3 compliant and REACH unaffected, supporting environmental and regulatory compliance.

Q4: What are the allowable tolerances and power range when using SZ1SMB5925BT3G as a substitute?
A4: SZ1SMB5925BT3G provides a ±5% tolerance and a 3 W maximum power rating as compared to the ±2% tolerance and 2 W rating of SMBJ5925CE3/TR13, per the provided parameters.

Q5: Does the substitute part require any modification to assembly and handling processes?
A5: Both components have an MSL (Moisture Sensitivity Level) of 1 (Unlimited), and utilize identical package outlines, requiring no changes to standard surface-mount assembly procedures.

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