M3Z56VC Equivalent & Substitute Parts

Part Overview

The M3Z56VC is a surface mount Zener diode manufactured by Taiwan Semiconductor Corporation, rated at 56 V nominal Zener voltage with 200 mW maximum power dissipation. This component is classified as Active product status and is ROHS3 compliant. The M3Z56VC is packaged in SOD-323F surface mount configuration, suitable for automated assembly processes. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and regulatory compliance to support component procurement flexibility and supply chain continuity.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	56	V
Power - Max	200	mW
Tolerance	±5%	—
Impedance (Max)	135	Ohms
Current - Reverse Leakage @ Vr	100	nA @ 42 V
Operating Temperature	-55 to 150	°C (TJ)
Package / Case	SC-90, SOD-323F	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the M3Z56VC are qualified based on the following electrical and mechanical parameters:

Primary Matching Criteria:

Voltage - Zener (Nom): 56 V
Power - Max: 200 mW
Package / Case: SC-90, SOD-323F
Mounting Type: Surface Mount
Operating Temperature Range: -55°C to 150°C (TJ)
Impedance (Max): 135 Ohms
Current - Reverse Leakage @ Vr: 100 nA @ 42 V

Tolerance Consideration: Substitute parts with tolerance specifications of ±2% or ±5% are functionally equivalent to the M3Z56VC (±5%), as tighter tolerance specifications satisfy applications requiring the original tolerance.

Packaging Variation: The M3Z56VC RRG differs from the main part only in packaging format (Cut Tape & Digi-Reel® versus Tape & Reel), while maintaining identical electrical specifications and SOD-323F package geometry.

All substitute parts maintain ROHS3 compliance and REACH Unaffected status, ensuring regulatory compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Voltage - Zener (Nom)	Power - Max	Tolerance	Impedance (Max)	Current - Reverse Leakage @ Vr	Operating Temperature	Package / Case	RoHS Status	Inventory (Pcs)
M3Z56VC	Taiwan Semiconductor Corporation	56 V	200 mW	±5%	135 Ohms	100 nA @ 42 V	-55 to 150°C	SC-90, SOD-323F	ROHS3 Compliant	756
M3Z56VC RRG	Taiwan Semiconductor Corporation	56 V	200 mW	±5%	135 Ohms	100 nA @ 42 V	-55 to 150°C	SC-90, SOD-323F	ROHS3 Compliant	3913
BZT52-B56S_R1_00001	Panjit International Inc.	56 V	200 mW	±2%	135 Ohms	100 nA @ 42 V	-55 to 150°C	SC-90, SOD-323F	ROHS3 Compliant	6053
BZT52-C56S-AU_R1_000A1	Panjit International Inc.	56 V	200 mW	±5%	135 Ohms	100 nA @ 42 V	-55 to 150°C	SC-90, SOD-323F	ROHS3 Compliant	8969
BZT52-C56S_R1_00001	Panjit International Inc.	56 V	200 mW	±5%	135 Ohms	100 nA @ 42 V	-55 to 150°C	SC-90, SOD-323F	ROHS3 Compliant	6130

Engineering Selection Recommendations

All substitute parts listed maintain full electrical and mechanical compatibility with the M3Z56VC. Selection among equivalent parts is determined by the following factors:

Packaging Format: The M3Z56VC RRG is supplied in Cut Tape & Digi-Reel® format, whereas the main part M3Z56VC is supplied in Tape & Reel format. Both formats are suitable for automated assembly; selection depends on procurement and handling requirements.

Tolerance Specification: The BZT52-B56S_R1_00001 features ±2% tolerance, which is tighter than the M3Z56VC specification of ±5%. This part is suitable for applications requiring enhanced voltage accuracy.

Automotive Qualification: The BZT52-C56S-AU_R1_000A1 carries AEC-Q101 automotive qualification and is designated for automotive-grade applications. This part is selected when automotive reliability standards are required.

Standard Industrial Grade: The BZT52-C56S_R1_00001 is suitable for general industrial applications with standard ±5% tolerance matching the main part specification.

All substitute parts are ROHS3 compliant and REACH Unaffected, ensuring regulatory compliance across all applications.

Frequently Asked Questions (FAQ)

Q: Can M3Z56VC RRG be used as a direct replacement for M3Z56VC?

A: Yes. The M3Z56VC RRG is a parametric equivalent with identical electrical specifications and SOD-323F package geometry. The difference is packaging format: M3Z56VC RRG is supplied in Cut Tape & Digi-Reel® format while M3Z56VC is supplied in Tape & Reel format. Both are compatible with standard surface mount assembly equipment.

Q: What is the difference between BZT52-B56S_R1_00001 and BZT52-C56S_R1_00001?

A: Both parts are manufactured by Panjit International Inc. and share identical electrical specifications except for tolerance. BZT52-B56S_R1_00001 has ±2% tolerance, while BZT52-C56S_R1_00001 has ±5% tolerance. The ±2% tolerance part is suitable for applications requiring tighter voltage regulation.

Q: Is BZT52-C56S-AU_R1_000A1 suitable for non-automotive applications?

A: Yes. BZT52-C56S-AU_R1_000A1 meets all electrical and mechanical specifications of the M3Z56VC and carries AEC-Q101 automotive qualification. Automotive-qualified components exceed standard industrial requirements and are suitable for any application requiring the specified electrical parameters.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant and REACH Unaffected, matching the regulatory status of the M3Z56VC.

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

A: Yes. All substitute parts use the SC-90, SOD-323F surface mount package with identical pin configuration and footprint. They are compatible with the same PCB layout and assembly process as the M3Z56VC.

Q: What is the significance of the 135 Ohms impedance specification?

A: The impedance (Zzt) of 135 Ohms maximum is a dynamic impedance parameter that affects voltage regulation performance under load changes. All listed parts maintain this specification, ensuring equivalent circuit performance.

Q: Does tolerance affect circuit performance?

A: Tolerance specifies the accuracy of the nominal Zener voltage. The M3Z56VC and most substitutes have ±5% tolerance, meaning the actual Zener voltage will be between 53.2 V and 58.8 V. BZT52-B56S_R1_00001 with ±2% tolerance provides tighter voltage accuracy (54.88 V to 57.12 V) for applications requiring enhanced regulation precision.

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