MM3Z11VT1GX Equivalent & Substitute Parts

Part Overview

The MM3Z11VT1GX is an 11 V Zener diode manufactured by Nexperia USA Inc., designed for voltage regulation applications. This surface mount component operates at a maximum power dissipation of 300 mW and is housed in an SOD-323 package. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified to provide design flexibility, inventory alternatives, and extended sourcing options while maintaining identical electrical and mechanical specifications.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nominal)	11	V
Tolerance	±5	%
Power - Maximum	300	mW
Impedance (Maximum)	10	Ohms
Current - Reverse Leakage @ 8 V	100	nA
Voltage - Forward (Maximum) @ 100 mA	1.1	V
Operating Temperature (Junction)	150	°C
Package / Case	SC-76, SOD-323	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the MM3Z11VT1GX are identified based on strict electrical and mechanical parameter matching. The substitution criteria include:

Critical Matching Parameters:

Zener voltage: 11 V nominal
Tolerance: ±5%
Maximum power dissipation: 300 mW
Package type: SOD-323 (SC-76)
Mounting configuration: Surface Mount
Impedance (Maximum): 10 Ohms
Reverse leakage current: 100 nA @ 8 V
Forward voltage: 1.1 V @ 100 mA
Operating temperature range: 150°C junction temperature
Compliance standards: RoHS3, REACH Unaffected

Parts meeting all specified parameters are classified as parametric equivalents and direct substitutes. No electrical or mechanical deviations are permitted for substitution classification.

Parameter Comparison

Parameter	MM3Z11VT1GX	SZMM3Z11VT1GX	Match
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.	Yes
Category	Diodes, Zener	Diodes, Zener	Yes
Voltage - Zener (Nom)	11 V	11 V	Yes
Tolerance	±5%	±5%	Yes
Power - Max	300 mW	300 mW	Yes
Impedance (Max)	10 Ohms	10 Ohms	Yes
Current - Reverse Leakage @ Vr	100 nA @ 8 V	100 nA @ 8 V	Yes
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 100 mA	1.1 V @ 100 mA	Yes
Operating Temperature	150°C (TJ)	150°C (TJ)	Yes
Mounting Type	Surface Mount	Surface Mount	Yes
Package / Case	SC-76, SOD-323	SC-76, SOD-323	Yes
Supplier Device Package	SOD-323	SOD-323	Yes
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Yes
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Yes
REACH Status	REACH Unaffected	REACH Unaffected	Yes
ECCN	EAR99	EAR99	Yes
HTSUS	8541.10.0050	8541.10.0050	Yes
Product Status	Active	Active	Yes
Qualification	—	AEC-Q101	Substitute has additional qualification

Engineering Selection Recommendations

MM3Z11VT1GX is suitable for general-purpose voltage regulation applications requiring an 11 V Zener diode in surface mount SOD-323 packaging. The part maintains Active status with full RoHS3 compliance and unlimited moisture sensitivity rating.

SZMM3Z11VT1GX is the parametric equivalent substitute, offering identical electrical and mechanical specifications. This substitute carries additional AEC-Q101 automotive qualification, making it suitable for applications requiring automotive-grade component certification. Both parts are manufactured by Nexperia USA Inc. and share identical compliance certifications (RoHS3, REACH Unaffected, EAR99 export classification).

Selection between these parts depends on application requirements. For automotive or automotive-qualified designs, SZMM3Z11VT1GX provides the additional AEC-Q101 qualification. For non-automotive applications, either part satisfies the specified electrical and mechanical requirements. Both parts are Active status with equivalent inventory availability.

Frequently Asked Questions (FAQ)

Q: Can SZMM3Z11VT1GX be used as a direct replacement for MM3Z11VT1GX?

A: Yes. SZMM3Z11VT1GX is a parametric equivalent with identical electrical specifications (11 V nominal Zener voltage, ±5% tolerance, 300 mW maximum power, 10 Ohms maximum impedance) and mechanical specifications (SOD-323 package, surface mount configuration). All critical operating parameters match exactly.

Q: What is the difference between MM3Z11VT1GX and SZMM3Z11VT1GX?

A: The primary difference is qualification level. SZMM3Z11VT1GX carries AEC-Q101 automotive qualification, while MM3Z11VT1GX does not list this qualification. All electrical and mechanical parameters are identical. Both are manufactured by Nexperia USA Inc. and maintain Active product status.

Q: Are both parts available in the same packaging?

A: Yes. Both MM3Z11VT1GX and SZMM3Z11VT1GX are supplied in SOD-323 (SC-76) surface mount packages with Tape & Reel (TR) packaging format.

Q: Do these parts have the same compliance certifications?

A: Yes. Both parts are RoHS3 compliant, REACH Unaffected, and classified under EAR99 export control. Both carry HTSUS code 8541.10.0050. Moisture sensitivity level is 1 (Unlimited) for both parts.

Q: Which part should be selected for automotive applications?

A: SZMM3Z11VT1GX is qualified to AEC-Q101 automotive standards and is the appropriate selection for automotive or automotive-qualified designs. MM3Z11VT1GX is suitable for non-automotive applications.

Q: Are the forward voltage and reverse leakage specifications identical?

A: Yes. Both parts specify maximum forward voltage of 1.1 V @ 100 mA and reverse leakage current of 100 nA @ 8 V. Operating temperature range is 150°C junction temperature for both parts.

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

A: Yes. Both parts use identical SOD-323 surface mount packages with the same pin configuration and footprint. PCB layouts designed for either part accommodate the other without modification.

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