MM5Z30VT5GF Equivalent & Substitute Parts

Part Overview

The MM5Z30VT5GF is a Zener diode voltage regulator manufactured by Nexperia USA Inc., classified as a surface mount component in the SOD-523 package. This device is designed for voltage regulation and protection applications requiring a 30 V nominal Zener voltage with 300 mW power dissipation capability. The part maintains Active product status and is RoHS3 compliant with unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity for applications where the primary part number becomes unavailable or where alternative sourcing is required.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	30	V
Tolerance	±2	%
Power - Max	300	mW
Impedance (Max)	80	Ohms
Current - Reverse Leakage @ Vr	50	nA @ 21 V
Voltage - Forward (Vf) (Max) @ If	1.1	V @ 100 mA
Operating Temperature (TJ)	150	°C
Package / Case	SC-79, SOD-523	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of Zener diodes is determined by electrical parameter equivalence across the following critical specifications:

Electrical Parameters:

Nominal Zener voltage (Vz): 30 V
Voltage tolerance: ±2%
Maximum power dissipation: 300 mW
Maximum impedance (Zzt): 80 Ohms
Reverse leakage current: 50 nA @ 21 V
Forward voltage: 1.1 V @ 100 mA
Operating temperature range: 150°C (TJ)

Mechanical Parameters:

Package type: SOD-523 (SC-79)
Mounting configuration: Surface Mount
Tape & Reel packaging format

Compliance Parameters:

RoHS3 compliance
Moisture Sensitivity Level 1 (Unlimited)
REACH Unaffected status

The substitute part SZMM5Z30VT5GF meets all electrical and mechanical specifications of the primary part MM5Z30VT5GF. Both parts are manufactured by Nexperia USA Inc. and share identical functional parameters. The substitute part includes AEC-Q101 automotive qualification, which represents an additional certification level beyond the primary part specification.

Parameter Comparison

Parameter	MM5Z30VT5GF	SZMM5Z30VT5GF	Match
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.	✓
Category	Diodes, Zener	Diodes, Zener	✓
Voltage - Zener (Nom)	30 V	30 V	✓
Tolerance	±2%	±2%	✓
Power - Max	300 mW	300 mW	✓
Impedance (Max)	80 Ohms	80 Ohms	✓
Current - Reverse Leakage @ Vr	50 nA @ 21 V	50 nA @ 21 V	✓
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 100 mA	1.1 V @ 100 mA	✓
Operating Temperature	150°C (TJ)	150°C (TJ)	✓
Package / Case	SC-79, SOD-523	SC-79, SOD-523	✓
Mounting Type	Surface Mount	Surface Mount	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	✓
Product Status	Active	Active	✓

Engineering Selection Recommendations

Both MM5Z30VT5GF and SZMM5Z30VT5GF are Active products manufactured by Nexperia USA Inc. with identical electrical and mechanical specifications. Selection between these parts is based on application requirements and compliance certifications:

MM5Z30VT5GF is suitable for general industrial and commercial voltage regulation applications requiring RoHS3 compliance and standard Zener diode performance characteristics.

SZMM5Z30VT5GF is qualified to AEC-Q101 automotive standards and is appropriate for automotive and mission-critical applications where enhanced reliability qualification is specified. This part carries the same electrical performance as the primary part with the addition of automotive-grade certification.

Both parts are available in Active status with established inventory levels. Selection should be based on application classification (industrial versus automotive) and any specific qualification requirements mandated by the end-use system design.

Frequently Asked Questions (FAQ)

Q: Can SZMM5Z30VT5GF be used as a direct replacement for MM5Z30VT5GF?

A: Yes. Both parts share identical electrical parameters (30 V nominal Zener voltage, ±2% tolerance, 300 mW power rating, 80 Ohms maximum impedance) and mechanical specifications (SOD-523 package, surface mount configuration). The SZMM5Z30VT5GF includes additional AEC-Q101 automotive qualification, making it suitable for applications requiring automotive-grade components.

Q: Are there any package or pinout differences between these parts?

A: No. Both parts use the SC-79 / SOD-523 surface mount package with identical pinout and mechanical dimensions. They are interchangeable at the PCB assembly level.

Q: What is the significance of AEC-Q101 qualification on the SZMM5Z30VT5GF?

A: AEC-Q101 is an automotive industry qualification standard that certifies component reliability under automotive operating conditions. The SZMM5Z30VT5GF meets this qualification, making it suitable for automotive applications where such certification is required. The MM5Z30VT5GF does not carry this certification.

Q: Do both parts have the same moisture sensitivity rating?

A: Yes. Both parts have Moisture Sensitivity Level 1 (Unlimited), indicating no moisture-related handling restrictions during storage, transport, or assembly.

Q: Are both parts RoHS3 compliant?

A: Yes. Both MM5Z30VT5GF and SZMM5Z30VT5GF are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What is the maximum operating temperature for these Zener diodes?

A: Both parts are rated for a maximum junction temperature (TJ) of 150°C, which defines the upper thermal operating limit for the device.

Q: Can these parts be used interchangeably in existing designs?

A: Yes, provided the application does not specifically require automotive qualification. If the design is qualified to MM5Z30VT5GF, SZMM5Z30VT5GF can be substituted without electrical or mechanical redesign. If automotive qualification is required, SZMM5Z30VT5GF is the appropriate choice.

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