2M56Z Zener Diode Equivalent & Substitute Parts

Part Overview

The 2M56Z is an active-status Zener diode manufactured by Taiwan Semiconductor Corporation, rated for 56 V nominal Zener voltage with 2 W maximum power dissipation. This component is packaged in DO-204AC (DO-15) axial through-hole configuration and is ROHS3 compliant. Equivalent and substitute parts are identified based on matching electrical characteristics, mechanical compatibility, and regulatory compliance to support component procurement and design flexibility.

Substiute Parts

2M56Z

Taiwan Semiconductor CorporationIn Stock: 8032M56Z Datasheet

Current PartRFQ

1N5369B-TP

Micro Commercial CoIn Stock: 48621N5369B-TP Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 2M56Z are identified based on the following electrical and mechanical criteria:

Primary Substitution Criteria:

• Package / Case compatibility: DO-15 axial through-hole configuration
• Mounting Type: Through Hole
• Regulatory Compliance: ROHS3 Compliant, REACH Unaffected
• Tolerance: ±5%
• Reverse Leakage Current: 500 nA specification
• Operating Temperature Range: Minimum -55°C to 150°C or higher

Voltage and Power Considerations: Zener voltage and maximum power ratings are the primary electrical parameters that determine functional substitution. Parts with different voltage ratings or power ratings operate in different circuit applications and are grouped accordingly based on their nominal specifications.

Parameter Comparison

Engineering Selection Recommendations

2M56Z Selection Criteria: The 2M56Z is appropriate for applications requiring a 56 V nominal Zener voltage with 2 W maximum power dissipation. This part is active-status and ROHS3 compliant, suitable for new designs and ongoing production.

1N5369B-TP Selection Criteria: The 1N5369B-TP is a substitute part with a nominal Zener voltage of 51 V and 5 W maximum power dissipation. This part is active-status and ROHS3 compliant. The 1N5369B-TP offers higher power rating and lower impedance compared to the 2M56Z. The operating temperature range extends to 150°C, which is 25°C lower than the 2M56Z maximum. Both parts share identical package configuration (DO-15 axial through-hole) and reverse leakage current specification (500 nA).

Substitution Applicability: The 1N5369B-TP differs from the 2M56Z in nominal Zener voltage (51 V versus 56 V) and maximum power rating (5 W versus 2 W). These electrical differences determine circuit-specific compatibility. Both parts meet ROHS3 compliance and REACH unaffected status, supporting regulatory requirements for equivalent component selection.

Frequently Asked Questions (FAQ)

Q: Can the 1N5369B-TP directly replace the 2M56Z in all applications?

A: Direct replacement depends on circuit voltage and power requirements. The 1N5369B-TP has a nominal Zener voltage of 51 V compared to the 2M56Z at 56 V. This 5 V difference affects voltage regulation performance. The 1N5369B-TP provides higher power dissipation capability (5 W versus 2 W), which may be advantageous in high-current applications. Circuit design parameters must be evaluated to confirm compatibility.

Q: Are the package configurations identical?

A: Both the 2M56Z and 1N5369B-TP use DO-15 axial through-hole packaging. Physical dimensions and lead spacing are compatible for direct board-level substitution without layout modification.

Q: What is the impedance difference between these parts?

A: The 2M56Z has a maximum impedance of 55 Ohms, while the 1N5369B-TP has a maximum impedance of 27 Ohms. Lower impedance in the 1N5369B-TP results in improved voltage regulation characteristics and reduced output impedance under load conditions.

Q: Do both parts meet the same regulatory requirements?

A: Both the 2M56Z and 1N5369B-TP are ROHS3 compliant and REACH unaffected. Both parts carry ECCN classification EAR99 and HTSUS code 8541.10.0050. Regulatory compliance is equivalent for both components.

Q: What is the reverse leakage current specification for each part?

A: Both parts specify 500 nA reverse leakage current. The 2M56Z is measured at 42.6 V, while the 1N5369B-TP is measured at 38.8 V. Reverse leakage performance is equivalent across the specified voltage ranges.

Q: Is the operating temperature range a limiting factor for substitution?

A: The 2M56Z operates from -55°C to 175°C, while the 1N5369B-TP operates from -55°C to 150°C. Applications requiring operation above 150°C require the 2M56Z. For applications within the -55°C to 150°C range, both parts are suitable.