ZPY62-TR Equivalent & Substitute Parts

Part Overview

The ZPY62-TR is a 62 V, 1.3 W Zener diode manufactured by Vishay General Semiconductor - Diodes Division in DO-204AL (DO-41) axial through-hole package format. This component is supplied in Tape & Reel (TR) packaging and maintains Active product status with AEC-Q101 automotive qualification. The device is RoHS3 compliant and suitable for voltage regulation and protection applications requiring precise 62 V reference characteristics. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design continuity when the primary part becomes unavailable or when alternative packaging or performance specifications are required.

Substiute Parts

ZPY62-TR

Vishay General Semiconductor - Diodes DivisionIn Stock: 1123ZPY62-TR Datasheet

Current PartRFQ

1N4759A-TAP

Vishay General Semiconductor - Diodes DivisionIn Stock: 11691N4759A-TAP Datasheet

DirectRFQ

2EZ62D5/TR8

Microsemi CorporationIn Stock: 32322EZ62D5/TR8 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of Zener diodes is determined by electrical and mechanical compatibility across the following critical parameters:

Electrical Compatibility Criteria:

• Zener voltage (Vz) must match the nominal specification within stated tolerance
• Power dissipation rating must equal or exceed the application requirement
• Impedance characteristics must support the intended circuit performance
• Reverse leakage current specifications must satisfy circuit design constraints
• Operating temperature range must encompass the application environment

Mechanical Compatibility Criteria:

• Package type must be DO-204AL (DO-41) axial through-hole format
• Lead configuration and physical dimensions must be identical
• Mounting orientation and PCB hole spacing must be compatible

Compliance and Certification Criteria:

• Automotive grade and AEC-Q101 qualification are required for automotive applications
• RoHS compliance status must be verified for regulatory requirements
• REACH and ECCN classifications must align with end-use restrictions

The substitute parts listed maintain the 62 V nominal Zener voltage and ±5% tolerance specification. Variations in power rating, impedance, reverse leakage current, and packaging format are documented in the parameter comparison table to enable informed selection based on specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

1N4759A-TAP (Vishay General Semiconductor - Diodes Division)

The 1N4759A-TAP is a direct electrical equivalent with identical 62 V nominal voltage, ±5% tolerance, and 1.3 W power rating. Both devices carry Automotive grade classification and AEC-Q101 qualification, ensuring compatibility with automotive applications. The primary difference is packaging format: 1N4759A-TAP is supplied in Cut Tape (CT) format versus Tape & Reel (TR) for the main part. Impedance is higher at 125 Ohms compared to 60 Ohms, and reverse leakage current is elevated at 5 µA versus 500 nA. Both devices are RoHS3 compliant. Selection of this substitute is appropriate when Cut Tape packaging is acceptable and higher impedance and leakage specifications do not compromise circuit performance.

2EZ62D5/TR8 (Microsemi Corporation)

The 2EZ62D5/TR8 maintains the 62 V nominal voltage and ±5% tolerance specification with increased power dissipation capability at 2 W. Impedance matches the main part at 60 Ohms, and reverse leakage current is identical at 500 nA. Operating temperature range is -65°C to 150°C, which is narrower than the 175°C maximum of the main part. This device does not carry automotive grade designation or AEC-Q101 qualification, and is RoHS non-compliant. Selection of this substitute is restricted to non-automotive applications where higher power dissipation is required and RoHS compliance is not mandated.

Frequently Asked Questions (FAQ)

Q: Can 1N4759A-TAP be used as a direct replacement for ZPY62-TR in automotive applications?

A: Yes. Both devices share identical Zener voltage (62 V), tolerance (±5%), power rating (1.3 W), automotive grade classification, and AEC-Q101 qualification. The primary difference is packaging format (Cut Tape versus Tape & Reel). Impedance and reverse leakage specifications differ; verify these parameters do not affect circuit performance before substitution.

Q: What is the key limitation of 2EZ62D5/TR8 as a substitute?

A: The 2EZ62D5/TR8 lacks automotive grade designation and AEC-Q101 qualification, making it unsuitable for automotive applications. Additionally, it is RoHS non-compliant and has a lower maximum operating temperature (150°C versus 175°C). This substitute is applicable only to non-automotive, non-RoHS-regulated applications.

Q: Does packaging format affect electrical performance?

A: Packaging format (Tape & Reel versus Cut Tape) does not affect electrical performance. Both formats contain identical die and lead materials. Format selection is driven by assembly process requirements and inventory management practices.

Q: Why does 1N4759A-TAP have higher impedance than ZPY62-TR?

A: Impedance variation (125 Ohms versus 60 Ohms) reflects manufacturing process differences between part families. Both values are within acceptable ranges for 62 V Zener diodes. Circuit design must account for impedance specifications to ensure voltage regulation performance meets application requirements.

Q: Can 2EZ62D5/TR8 be used in place of ZPY62-TR due to its higher power rating?

A: Higher power rating alone does not justify substitution. The 2EZ62D5/TR8 lacks automotive qualification and RoHS compliance required for regulated applications. Use this substitute only when application requirements explicitly permit non-automotive, non-compliant components and higher power dissipation is a design benefit.

Q: Are all three parts physically identical in DO-41 package?

A: Yes. All three devices use DO-204AL (DO-41) axial through-hole package with identical physical dimensions and lead configuration. PCB mounting and hole spacing are interchangeable.

Q: What is the significance of reverse leakage current differences?

A: Reverse leakage current affects circuit quiescent current and voltage regulation stability. ZPY62-TR and 2EZ62D5/TR8 both specify 500 nA leakage, while 1N4759A-TAP specifies 5 µA. In high-impedance circuits, the tenfold difference in 1N4759A-TAP may impact performance; verify circuit design tolerances before selection.