ZMM5.1 Zener Diode Equivalent & Substitute Parts

Part Overview

The ZMM5.1 is an active-status Zener diode manufactured by Diotec Semiconductor, rated for 5.1 V nominal voltage with 500 mW maximum power dissipation. This component is designed for surface mount applications in the SOD-80C package configuration. The ZMM5.1 is supplied in Cut Tape (CT) and Digi-Reel® packaging formats with 7,900 pieces currently in stock.

Substitute parts are identified when electrical parameters, mechanical specifications, and package compatibility align with the original component, enabling direct replacement in circuit designs without functional degradation.

Substiute Parts

ZMM5.1

Diotec SemiconductorIn Stock: 7931ZMM5.1 Datasheet

Current PartRFQ

ZMM5.1R13

Diotec SemiconductorIn Stock: 60923ZMM5.1R13 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ZMM5.1 are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Critical Matching Parameters:

• Zener voltage (Nom): 5.1 V
• Tolerance: ±5%
• Maximum power dissipation: 500 mW
• Impedance (Max): 35 Ohms
• Reverse leakage current: 100 nA @ 1 V
• Operating temperature range: -50°C to 175°C
• Package type: SOD-80C (DO-213AC, MINI-MELF)
• Mounting type: Surface Mount

The ZMM5.1R13 meets all electrical specifications and package requirements, qualifying as a parametric equivalent. Packaging format differences (Cut Tape vs. Strip) do not affect electrical performance or circuit compatibility.

Parameter Comparison

Engineering Selection Recommendations

ZMM5.1R13 as Direct Substitute:

The ZMM5.1R13 is a parametric equivalent to the ZMM5.1, with identical electrical specifications across all critical parameters. Both components are manufactured by Diotec Semiconductor and maintain active product status.

The ZMM5.1R13 carries ROHS3 compliance certification, whereas the ZMM5.1 lists RoHS status as not applicable. This compliance difference does not affect electrical interchangeability in applications where RoHS compliance is not a design requirement.

The primary distinction between these parts is packaging format: the ZMM5.1 is supplied in Cut Tape and Digi-Reel® formats, while the ZMM5.1R13 is supplied in Strip format. Both formats contain identical components in SOD-80C packages suitable for automated assembly processes.

Selection between ZMM5.1 and ZMM5.1R13 should be based on packaging availability, supply chain requirements, and assembly process compatibility rather than electrical performance.

Frequently Asked Questions (FAQ)

Q: Can ZMM5.1R13 replace ZMM5.1 in existing circuit designs?

A: Yes. The ZMM5.1R13 is electrically identical to the ZMM5.1 across all specified parameters, including zener voltage, power rating, impedance, leakage current, and operating temperature range. Direct substitution is supported without circuit modification.

Q: What is the difference between Cut Tape and Strip packaging?

A: Cut Tape (CT) and Digi-Reel® are tape-and-reel formats optimized for high-speed automated pick-and-place assembly. Strip packaging is a bulk format. Both formats contain components in identical SOD-80C packages. Packaging selection depends on assembly equipment compatibility and production volume requirements.

Q: Are there compliance differences between ZMM5.1 and ZMM5.1R13?

A: The ZMM5.1R13 is certified ROHS3 compliant. The ZMM5.1 lists RoHS status as not applicable. In applications requiring RoHS compliance, the ZMM5.1R13 is the appropriate selection. For applications without RoHS requirements, both parts are functionally equivalent.

Q: Do both parts operate across the same temperature range?

A: Yes. Both the ZMM5.1 and ZMM5.1R13 operate across the identical temperature range of -50°C to 175°C (junction temperature), ensuring consistent performance in thermal environments.

Q: What parameters must match for substitution eligibility?

A: Substitution requires matching zener voltage (5.1 V), tolerance (±5%), maximum power (500 mW), impedance (35 Ohms max), reverse leakage current (100 nA @ 1 V), operating temperature range (-50 to 175°C), mounting type (Surface Mount), and package type (SOD-80C). All these parameters are identical between ZMM5.1 and ZMM5.1R13.