ZMM5241B-13 Equivalent & Substitute Parts

Part Overview

The ZMM5241B-13 is an 11 V, 500 mW Zener diode manufactured by Vishay General Semiconductor - Diodes Division in a Surface Mount Mini MELF package (DO-213AA). This component is classified as obsolete, indicating that direct procurement from the original manufacturer may be limited or unavailable. Identifying equivalent substitute parts with matching electrical and mechanical specifications is necessary to maintain design continuity and ensure component availability for production and repair applications.

Substiute Parts

ZMM5241B-13

Vishay General Semiconductor - Diodes DivisionIn Stock: 773ZMM5241B-13 Datasheet

Current PartRFQ

1N5241BUR-1/TR

Microchip TechnologyIn Stock: 11791N5241BUR-1/TR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ZMM5241B-13 are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Critical Matching Parameters:

• Voltage - Zener (Nom): 11 V
• Tolerance: ±5%
• Power - Max: 500 mW
• Package / Case: DO-213AA
• Mounting Type: Surface Mount
• Operating Temperature Range: -65°C to 175°C (TJ)
• RoHS Status: ROHS3 Compliant

Secondary Electrical Parameters:

• Impedance (Max): 22 Ohms
• Current - Reverse Leakage @ Vr: 2 µA @ 8.4 V
• Voltage - Forward (Vf) (Max) @ If: Within acceptable range for the application

The 1N5241BUR-1/TR from Microchip Technology meets all critical matching parameters and is classified as an active product, providing improved availability compared to the obsolete ZMM5241B-13.

Parameter Comparison

Engineering Selection Recommendations

The 1N5241BUR-1/TR is a direct electrical and mechanical equivalent to the ZMM5241B-13. Selection of this substitute part is supported by the following factors:

Compliance & Certification:

• Both parts are ROHS3 compliant, meeting environmental regulatory requirements
• Both parts operate across the identical temperature range (-65°C to 175°C TJ)
• Both parts are packaged in DO-213AA, ensuring PCB footprint compatibility

Product Status & Availability:

• The ZMM5241B-13 is classified as obsolete, limiting future procurement options
• The 1N5241BUR-1/TR is classified as active, ensuring sustained availability and supply chain reliability

Electrical Performance:

• All critical zener parameters (voltage, tolerance, power rating, impedance, leakage current) are identical
• The forward voltage of the 1N5241BUR-1/TR (1.1 V @ 200 mA) is lower than the ZMM5241B-13 (1.5 V @ 200 mA), representing improved performance characteristics within the same functional class

The 1N5241BUR-1/TR is suitable for direct substitution in applications currently using the ZMM5241B-13.

Frequently Asked Questions (FAQ)

Q: Can the 1N5241BUR-1/TR be used as a direct replacement for the ZMM5241B-13?

A: Yes. Both parts share identical zener voltage (11 V), tolerance (±5%), power rating (500 mW), impedance (22 Ohms), reverse leakage current (2 µA @ 8.4 V), operating temperature range (-65°C to 175°C TJ), and package type (DO-213AA). The parts are electrically and mechanically equivalent.

Q: What is the difference in forward voltage between these parts?

A: The ZMM5241B-13 specifies a maximum forward voltage of 1.5 V @ 200 mA, while the 1N5241BUR-1/TR specifies 1.1 V @ 200 mA. The lower forward voltage of the substitute part represents improved performance and does not create compatibility issues in standard zener diode applications.

Q: Are both parts RoHS compliant?

A: Yes. Both the ZMM5241B-13 and 1N5241BUR-1/TR are ROHS3 compliant, meeting environmental and regulatory standards for electronic components.

Q: Why is the ZMM5241B-13 listed as obsolete?

A: The ZMM5241B-13 is classified as obsolete by the manufacturer, indicating that production has been discontinued. The 1N5241BUR-1/TR, classified as active, provides a current-production alternative with identical specifications.

Q: Are the packages identical?

A: Yes. Both parts use the DO-213AA package (Mini MELF surface mount), ensuring identical PCB footprint and mounting compatibility.

Q: What is the moisture sensitivity level of these parts?

A: The ZMM5241B-13 has a Moisture Sensitivity Level (MSL) of 1 (Unlimited), indicating no moisture sensitivity restrictions during storage and handling.