M3Z12VC Equivalent & Substitute Parts Reference

Part Overview

The M3Z12VC is a surface mount Zener diode from Taiwan Semiconductor Corporation. It features a nominal Zener voltage of 12 V, maximum power dissipation of 200 mW, and ±5% tolerance. The package is SOD-323F (SC-90), with a maximum reverse leakage of 100 nA at 9 V and a maximum impedance of 20 Ohms. The part is RoHS3 compliant, REACH unaffected, and classified as EAR99, currently in active production.

Finding alternative models for the M3Z12VC is necessary for maintaining supply continuity, supporting design flexibility, and managing inventory logistics. It ensures availability of replacements in production or maintenance scenarios, provided parametric and compliance equivalency.

Key Parameters

Parameter	Value
Manufacturer Part Number	M3Z12VC
Category	Diodes, Zener
Voltage - Zener (Nom) (Vz)	12 V
Tolerance	±5%
Power - Max	200 mW
Impedance (Max) (Zzt)	20 Ohms
Current - Reverse Leakage @ Vr	100 nA @ 9 V
Operating Temperature	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	SC-90, SOD-323F
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute selection for Zener diodes is strictly determined by matching the following parameters:

Nominal Zener voltage (Vz)
Tolerance
Maximum power dissipation
Maximum impedance (Zzt)
Maximum reverse leakage current at specified voltage
Operating temperature range
Surface mount package compatibility (SC-90, SOD-323F)
Regulatory compliance (RoHS, REACH)

Parametric equivalency ensures functional interchangeability within the defined product category. Only parts meeting all listed criteria are classified as substitutes.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Category	Voltage - Zener (Nom) (Vz)	Tolerance	Power - Max	Impedance (Max) (Zzt)	Current - Reverse Leakage @ Vr	Operating Temperature	Mounting Type	Package / Case	RoHS Status	REACH Status
M3Z12VC	Taiwan Semiconductor Corporation	Diodes, Zener	12 V	±5%	200 mW	20 Ohms	100 nA @ 9 V	-55°C ~ 150°C (TJ)	Surface Mount	SC-90, SOD-323F	ROHS3 Compliant	REACH Unaffected
M3Z12VC RRG	Taiwan Semiconductor Corporation	Diodes, Zener	12 V	±5%	200 mW	20 Ohms	100 nA @ 9 V	-55°C ~ 150°C (TJ)	Surface Mount	SC-90, SOD-323F	ROHS3 Compliant	REACH Unaffected
UDZS12B R9G	Taiwan Semiconductor Corporation	Diodes, Zener	12 V	±2%	200 mW	20 Ohms	90 nA @ 9 V	-55°C ~ 150°C (TJ)	Surface Mount	SC-90, SOD-323F	ROHS3 Compliant	REACH Unaffected
BZT52-B12S-AU_R1_000A1	Panjit International Inc.	Diodes, Zener	12 V	±2%	200 mW	20 Ohms	100 nA @ 9 V	-55°C ~ 150°C (TJ)	Surface Mount	SC-90, SOD-323F	ROHS3 Compliant	REACH Unaffected
BZT52-B12S_R1_00001	Panjit International Inc.	Diodes, Zener	12 V	±2%	200 mW	20 Ohms	100 nA @ 9 V	-55°C ~ 150°C (TJ)	Surface Mount	SC-90, SOD-323F	ROHS3 Compliant	REACH Unaffected
BZT52-C12S-AU_R1_000A1	Panjit International Inc.	Diodes, Zener	12 V	±5%	200 mW	20 Ohms	100 nA @ 9 V	-55°C ~ 150°C (TJ)	Surface Mount	SC-90, SOD-323F	ROHS3 Compliant	REACH Unaffected
BZT52-C12S_R1_00001	Panjit International Inc.	Diodes, Zener	12 V	±5%	200 mW	20 Ohms	100 nA @ 9 V	-55°C ~ 150°C (TJ)	Surface Mount	SC-90, SOD-323F	ROHS3 Compliant	REACH Unaffected

Engineering Selection Recommendations

All listed substitute Zener diodes are active, RoHS3 compliant, and REACH unaffected. Product status and regulatory compliance are consistent across substitutes. Select based strictly on equivalency in electrical parameters, package, and compliance status.

Frequently Asked Questions (FAQ)

Q1: What parameters must match for M3Z12VC Zener diode substitution?
A1: Substitution requires matching nominal Zener voltage (12 V), maximum power (200 mW), tolerance (±5% or tighter), impedance (max 20 Ohms), reverse leakage (≤100 nA @ 9 V), operating temperature (-55°C ~ 150°C), and package compatibility (SC-90, SOD-323F).

Q2: Can a substitute diode with lower tolerance (e.g., ±2%) be used?
A2: Yes, diodes with equal or tighter tolerance are considered equivalent if all other key parameters match.

Q3: Are all substitute parts compatible with surface mount PCB layouts designed for SOD-323F?
A3: All substitutes listed specify surface mount, SOD-323F, and SC-90 package compatibility.

Q4: Is there any difference in compliance status among the substitutes?
A4: All listed substitutes meet ROHS3 requirements and are unaffected by REACH regulations.

Q5: Does the operating temperature range affect substitute selection?
A5: All substitutes support the same operating temperature range as the main part (-55°C ~ 150°C (TJ)), satisfying substitution criteria.

Q6: What categories do these substitute parts belong to?
A6: All substitute parts are categorized within Diodes, Zener.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message