M3Z11VC Equivalent & Substitute Parts

Part Overview

The M3Z11VC is an 11 V Zener diode manufactured by Taiwan Semiconductor Corporation, rated for 200 mW power dissipation with ±5% voltage tolerance. This surface mount component in SOD-323F package is designed for voltage regulation and protection applications in electronic circuits. The part maintains Active product status with full RoHS3 compliance and REACH unaffected classification. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity for applications requiring 11 V Zener diode functionality.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nominal)	11	V
Tolerance	±5%	—
Power - Maximum	200	mW
Impedance (Maximum)	20	Ohms
Current - Reverse Leakage @ Vr	100	nA @ 8 V
Operating Temperature Range	-55 to 150	°C (TJ)
Mounting Type	Surface Mount	—
Package / Case	SC-90, SOD-323F	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of Zener diodes is determined by electrical and mechanical parameter alignment. The primary substitution criteria for the M3Z11VC are:

Critical Parameters for Substitution:

Zener voltage (Vz): 11 V nominal
Power rating: 200 mW maximum
Package type: SOD-323F surface mount
Operating temperature range: -55°C to 150°C
Mounting type: Surface mount

Secondary Parameters Affecting Compatibility:

Voltage tolerance (±5% or tighter)
Impedance (20 Ohms maximum)
Reverse leakage current characteristics
RoHS3 compliance and REACH status

All identified substitute parts meet the critical electrical and mechanical parameters. Variations in tolerance specification (±2% versus ±5%) and reverse leakage current values represent tighter performance specifications that remain functionally compatible with applications designed for the M3Z11VC baseline parameters.

Parameter Comparison

Parameter	M3Z11VC	M3Z11VC RRG	UDZS11B R9G	BZT52-B11S_R1_00001	BZT52-C11S_R1_00001
Manufacturer	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	Panjit International Inc.	Panjit International Inc.
Voltage - Zener (Nom)	11 V	11 V	11 V	11 V	11 V
Tolerance	±5%	±5%	±2%	±2%	±5%
Power - Max	200 mW	200 mW	200 mW	200 mW	200 mW
Impedance (Max)	20 Ohms	20 Ohms	20 Ohms	20 Ohms	20 Ohms
Current - Reverse Leakage @ Vr	100 nA @ 8 V	100 nA @ 8 V	90 nA @ 8 V	100 nA @ 8.5 V	100 nA @ 8.5 V
Operating Temperature	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	SC-90, SOD-323F	SC-90, SOD-323F	SC-90, SOD-323F	SC-90, SOD-323F	SC-90, SOD-323F
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

M3Z11VC RRG (Taiwan Semiconductor Corporation) is a direct parametric equivalent with identical electrical specifications and operating temperature range. This part differs only in packaging format (Cut Tape & Digi-Reel® versus Tape & Reel) and offers higher inventory availability (4152 units). Selection is appropriate for applications with no packaging format restrictions.

UDZS11B R9G (Taiwan Semiconductor Corporation) provides tighter voltage tolerance (±2% versus ±5%) and marginally lower reverse leakage current (90 nA @ 8 V). This part is suitable for applications requiring enhanced voltage regulation precision. Higher inventory availability (11060 units) supports extended procurement windows.

BZT52-B11S_R1_00001 (Panjit International Inc.) offers ±2% voltage tolerance with equivalent power and impedance specifications. Reverse leakage measurement at 8.5 V represents a minor specification variation. This part maintains full RoHS3 and REACH compliance. Inventory availability is 5737 units.

BZT52-C11S_R1_00001 (Panjit International Inc.) matches the M3Z11VC tolerance specification (±5%) with equivalent electrical performance. Reverse leakage measurement at 8.5 V represents a minor specification variation. This part maintains full RoHS3 and REACH compliance. Inventory availability is 6098 units.

All substitute parts maintain Active product status and full regulatory compliance. Selection among alternatives is determined by packaging format requirements, tolerance specifications, and inventory availability for the specific application.

Frequently Asked Questions (FAQ)

Q: Can M3Z11VC RRG be used as a direct replacement for M3Z11VC?

A: Yes. M3Z11VC RRG is a parametric equivalent with identical electrical specifications (11 V nominal, ±5% tolerance, 200 mW power rating, 20 Ohms impedance) and operating temperature range (-55°C to 150°C). The only difference is packaging format: M3Z11VC RRG uses Cut Tape & Digi-Reel® packaging instead of Tape & Reel. Both are surface mount SOD-323F components suitable for identical circuit applications.

Q: What is the difference between ±5% and ±2% tolerance Zener diodes?

A: Tolerance specification defines the acceptable voltage variation from the nominal 11 V rating. A ±5% tolerance part (M3Z11VC, BZT52-C11S_R1_00001) allows voltage between 10.45 V and 11.55 V. A ±2% tolerance part (UDZS11B R9G, BZT52-B11S_R1_00001) allows voltage between 10.78 V and 11.22 V. Tighter tolerance provides more precise voltage regulation for sensitive applications.

Q: Are Panjit International BZT52 series parts compatible with Taiwan Semiconductor M3Z11VC?

A: Yes. BZT52-B11S_R1_00001 and BZT52-C11S_R1_00001 are parametrically equivalent to M3Z11VC. Both maintain 11 V nominal voltage, 200 mW power rating, 20 Ohms impedance, and -55°C to 150°C operating temperature. Both are RoHS3 compliant and REACH unaffected. Electrical performance differences are limited to tolerance specification and reverse leakage measurement conditions, which do not affect functional compatibility.

Q: Does the reverse leakage current difference affect substitution?

A: Reverse leakage current values provided (90 nA to 100 nA at specified voltages) represent minor variations within acceptable operating parameters. These differences do not affect functional compatibility for standard voltage regulation and protection applications. All substitute parts maintain equivalent reverse leakage performance within the specified operating temperature range.

Q: Can these parts be used interchangeably in automated assembly?

A: Yes. All substitute parts are surface mount components in SOD-323F package (SC-90 case) with identical footprints and mounting requirements. Packaging format differences (Tape & Reel versus Cut Tape & Digi-Reel®) affect supply chain handling and feeder compatibility but not circuit functionality or PCB assembly compatibility.

Q: What regulatory compliance applies to all substitute parts?

A: All parts listed (M3Z11VC, M3Z11VC RRG, UDZS11B R9G, BZT52-B11S_R1_00001, BZT52-C11S_R1_00001) are RoHS3 compliant and REACH unaffected. All carry ECCN classification EAR99 and HTSUS code 8541.10.0050. Regulatory compliance is uniform across all alternatives.

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