Equivalent & Substitute Parts Reference: MM5Z22VT5GF

Part Overview

The MM5Z22VT5GF is a Zener Diode produced by Nexperia USA Inc. for voltage regulation applications. It is characterized by a Zener voltage of 22 V, a power rating of 300 mW, ±2% tolerance, and is supplied in a compact SOD-523 (SC-79) surface-mount package. This device is currently active and compliant with ROHS3 and REACH environmental standards. Identifying and selecting alternative models is necessary for ensuring continuous supply chain flexibility, effective inventory management, and adherence to design specifications in the event of supply or sourcing constraints.

Key Parameters

Parameter	Value
Manufacturer Part Number	MM5Z22VT5GF
Category	Diodes, Zener
Voltage - Zener (Nom) (Vz)	22 V
Tolerance	±2%
Power - Max	300 mW
Impedance (Max) (Zzt)	55 Ohms
Current - Reverse Leakage @ Vr	50 nA @ 15.4 V
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 100 mA
Operating Temperature	150°C (TJ)
Package / Case	SC-79, SOD-523
Supplier Device Package	SOD-523
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Parametric equivalents and substitutes for the MM5Z22VT5GF are determined strictly by matching essential electrical and mechanical parameters. These include the Zener voltage, tolerance, power rating, maximum impedance, reverse leakage current, forward voltage, operating temperature, package type, mounting method, and compliance status (RoHS and REACH). Only parts that conform exactly to these parameters are listed as substitutes.

Parameter Comparison

Parameter	Main Part MM5Z22VT5GF	Substitute Part SZMM5Z22VT5GF
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.
Category	Diodes, Zener	Diodes, Zener
Voltage - Zener (Nom) (Vz)	22 V	22 V
Tolerance	±2%	±2%
Power - Max	300 mW	300 mW
Impedance (Max) (Zzt)	55 Ohms	55 Ohms
Current - Reverse Leakage @ Vr	50 nA @ 15.4 V	50 nA @ 15.4 V
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 100 mA	1.1 V @ 100 mA
Operating Temperature	150°C (TJ)	150°C (TJ)
Mounting Type	Surface Mount	Surface Mount
Package / Case	SC-79, SOD-523	SC-79, SOD-523
Supplier Device Package	SOD-523	SOD-523
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Both MM5Z22VT5GF and SZMM5Z22VT5GF are active products with equal environmental compliance, including ROHS3 and REACH standards. The substitute SZMM5Z22VT5GF holds additional automotive grade and AEC-Q101 qualification. Selection among qualified substitutes should be based only on required certifications, application needs, and current product status.

Frequently Asked Questions (FAQ)

Q1: What are the critical substitution parameters for Zener diodes in this category?
A1: Voltage - Zener (Nom) (Vz), tolerance, power rating, maximum impedance, reverse leakage current, forward voltage, operating temperature, package, mounting type, and compliance status.

Q2: Are MM5Z22VT5GF and SZMM5Z22VT5GF interchangeable for all applications?
A2: Both have identical electrical and mechanical key parameters, and both comply with ROHS3 and REACH. The SZMM5Z22VT5GF additionally meets automotive and AEC-Q101 qualification requirements.

Q3: Is the SOD-523 package footprint identical between MM5Z22VT5GF and its substitute?
A3: Yes, both parts are housed in the SC-79, SOD-523 surface mount package.

Q4: What environmental and moisture ratings apply to these parts?
A4: Both parts are ROHS3 Compliant, REACH Unaffected, and have an unlimited MSL rating (level 1).

Q5: How should product status and inventory influence selection?
A5: Selection may consider only product status (active) and real-time available inventory as provided. Both listed diodes are currently active and available.

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