M3Z27VC Zener Diode Equivalent & Substitute Parts

Part Overview

The M3Z27VC is a 27 V, 200 mW surface mount zener diode manufactured by Taiwan Semiconductor Corporation in SOD-323F packaging. This component is classified as an active product with full RoHS3 compliance and REACH unaffected status. The M3Z27VC serves voltage regulation and protection functions in electronic circuits requiring precise zener voltage characteristics at 27 V nominal.

Substitute parts are identified when equivalent electrical parameters and mechanical compatibility are maintained across the same package family, allowing for design flexibility, supply chain optimization, and inventory management without circuit redesign.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	27	V
Power - Max	200	mW
Tolerance	±5%	—
Impedance (Max)	80	Ohms
Current - Reverse Leakage @ Vr	100	nA @ 20 V
Operating Temperature Range	-55 to 150	°C (TJ)
Mounting Type	Surface Mount	—
Package / Case	SC-90, SOD-323F	—

Substitute Part Grouping Explanation

Substitution of the M3Z27VC is determined by strict equivalence across the following critical parameters:

Electrical Parameters (Must Match):

Voltage - Zener (Nom): 27 V
Power - Max: 200 mW
Impedance (Max): 80 Ohms
Current - Reverse Leakage @ Vr: 100 nA @ 20 V
Operating Temperature Range: -55°C to 150°C

Mechanical Parameters (Must Match):

Mounting Type: Surface Mount
Package / Case: SC-90, SOD-323F or SOD-323

Tolerance Consideration: The M3Z27VC specifies ±5% tolerance. Substitute parts with ±2% tolerance (tighter tolerance) are electrically compatible and provide enhanced precision. Substitute parts with ±5% tolerance maintain identical tolerance specifications.

Packaging Format: The main part is supplied in Tape & Reel (TR) format. Substitute M3Z27VC RRG is supplied in Cut Tape (CT) & Digi-Reel® format. Both formats are compatible for component placement and assembly operations.

Parameter Comparison

Parameter	M3Z27VC	M3Z27VC RRG	BZT52-B27S_R1_00001	BZT52-B27S-AU_R1_000A1	BZT52-C27S_R1_00001
Manufacturer	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	Panjit International Inc.	Panjit International Inc.	Panjit International Inc.
Voltage - Zener (Nom)	27 V	27 V	27 V	27 V	27 V
Power - Max	200 mW	200 mW	200 mW	200 mW	200 mW
Tolerance	±5%	±5%	±2%	±2%	±5%
Impedance (Max)	80 Ohms	80 Ohms	80 Ohms	80 Ohms	80 Ohms
Current - Reverse Leakage @ Vr	100 nA @ 20 V	100 nA @ 20 V	100 nA @ 20 V	100 nA @ 20 V	100 nA @ 20 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
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All identified substitute parts maintain full electrical and mechanical compatibility with the M3Z27VC. Selection among equivalent options is based on the following criteria:

M3Z27VC RRG (Taiwan Semiconductor Corporation): This part is identical to the main part in all electrical specifications and differs only in packaging format (Cut Tape & Digi-Reel® versus Tape & Reel). Both are manufactured by Taiwan Semiconductor Corporation and carry identical RoHS3 and REACH compliance status. This substitute is suitable for direct replacement with no circuit modifications required.

BZT52-B27S_R1_00001 and BZT52-B27S-AU_R1_000A1 (Panjit International Inc.): These parts feature tighter tolerance specification (±2% versus ±5%), providing enhanced voltage regulation precision. Both maintain identical electrical performance across all other parameters. The BZT52-B27S-AU_R1_000A1 variant includes AEC-Q101 automotive qualification and automotive-grade designation, suitable for applications requiring automotive compliance. Both carry RoHS3 and REACH compliance status.

BZT52-C27S_R1_00001 (Panjit International Inc.): This part maintains ±5% tolerance matching the original M3Z27VC specification. All electrical and mechanical parameters are equivalent. RoHS3 and REACH compliance status is maintained.

All substitute parts are active products with confirmed inventory availability and full regulatory compliance documentation.

Frequently Asked Questions (FAQ)

Q: Can M3Z27VC RRG be used as a direct replacement for M3Z27VC?

A: Yes. M3Z27VC RRG is electrically and mechanically identical to M3Z27VC. The only difference is packaging format: M3Z27VC RRG is supplied in Cut Tape & Digi-Reel® format while M3Z27VC is supplied in Tape & Reel format. Both are compatible with standard surface mount assembly equipment.

Q: What is the difference between the ±2% tolerance Panjit parts and the ±5% tolerance parts?

A: Tolerance specification defines the acceptable deviation range from the nominal 27 V zener voltage. The ±2% tolerance parts (BZT52-B27S_R1_00001 and BZT52-B27S-AU_R1_000A1) provide tighter voltage regulation with maximum deviation of ±0.54 V. The ±5% tolerance parts (M3Z27VC, M3Z27VC RRG, and BZT52-C27S_R1_00001) allow maximum deviation of ±1.35 V. Both tolerance classes meet the same electrical performance requirements and are interchangeable in circuits designed for ±5% tolerance.

Q: Is the BZT52-B27S-AU_R1_000A1 suitable for automotive applications?

A: Yes. BZT52-B27S-AU_R1_000A1 carries automotive-grade designation and AEC-Q101 qualification. This part is suitable for automotive circuit applications requiring qualified components.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All identified substitute parts carry RoHS3 compliance certification. All parts are also REACH unaffected.

Q: Can these zener diodes be used interchangeably in existing circuit designs?

A: Yes. All substitute parts maintain identical electrical parameters (27 V nominal voltage, 200 mW power rating, 80 Ohms maximum impedance, 100 nA reverse leakage current) and identical operating temperature range (-55°C to 150°C). All parts use the same SOD-323F package footprint. No circuit modifications are required for substitution.

Q: What is the difference between SOD-323F and SOD-323 package designations?

A: Both designations refer to the same physical package form factor (SC-90). The parts are mechanically and electrically compatible for PCB assembly and circuit operation.

Q: How do I select between the available substitute options?

A: Selection depends on specific application requirements. For standard voltage regulation applications, any substitute part is suitable. For applications requiring enhanced voltage precision, select the ±2% tolerance variants (BZT52-B27S_R1_00001 or BZT52-B27S-AU_R1_000A1). For automotive applications, select BZT52-B27S-AU_R1_000A1. For packaging format preference, select M3Z27VC RRG for Cut Tape & Digi-Reel® supply or any Panjit part for Tape & Reel supply.

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