ZPY36-TR Equivalent & Substitute Parts

Part Overview

The ZPY36-TR is an automotive-grade Zener diode manufactured by Vishay General Semiconductor - Diodes Division. This component is a 36 V, 1.3 W through-hole Zener diode in DO-204AL (DO-41) package format, supplied in Tape & Reel (TR) packaging. The device is AEC-Q101 qualified and ROHS3 compliant, making it suitable for automotive applications requiring voltage regulation and transient protection.

The ZPY36-TR is currently in active production status with 1164 pieces available in new original stock. Equivalent and substitute parts are identified to provide alternative sourcing options for procurement flexibility, inventory management, or when the primary part becomes unavailable.

Substiute Parts

ZPY36-TR

Vishay General Semiconductor - Diodes DivisionIn Stock: 1230ZPY36-TR Datasheet

Current PartRFQ

ZPY36-TAP

Vishay General Semiconductor - Diodes DivisionIn Stock: 5603ZPY36-TAP Datasheet

Parametric EquivalentRFQ

1N4753A-T50A

Fairchild SemiconductorIn Stock: 876481N4753A-T50A 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 (nominal): Must match at 36 V
• Tolerance: Must be ±5% or tighter
• Package / Case: Must be DO-204AL (DO-41) axial through-hole format
• Mounting Type: Must be through-hole compatible

Mechanical Compatibility Criteria:

• Physical package dimensions must conform to DO-204AL (DO-41) specification
• Lead configuration must be compatible with through-hole PCB assembly

Operational Considerations:

• Power rating and impedance characteristics determine application suitability
• Reverse leakage current specifications affect circuit performance
• Operating temperature range must support the intended application environment
• Automotive grade and AEC-Q101 qualification are required for automotive applications

Substitute parts are grouped into two categories: parametric equivalents (identical electrical specifications with different packaging formats) and manufacturer-recommended alternatives (equivalent function with minor parameter variations).

Parameter Comparison

Engineering Selection Recommendations

ZPY36-TAP (Parametric Equivalent - Preferred Substitute)

The ZPY36-TAP is a direct parametric equivalent to the ZPY36-TR. Both devices are manufactured by Vishay General Semiconductor and share identical electrical specifications: 36 V nominal Zener voltage, ±5% tolerance, 1.3 W maximum power, 25 Ohms maximum impedance, and 500 nA reverse leakage current at 27 V. Both components are automotive-grade with AEC-Q101 qualification and ROHS3 compliance.

The primary difference between ZPY36-TR and ZPY36-TAP is the packaging format: ZPY36-TR is supplied in Tape & Reel format, while ZPY36-TAP is supplied in Cut Tape format. This distinction affects procurement and assembly processes but does not impact electrical or mechanical compatibility. The ZPY36-TAP is suitable for direct substitution in applications where Cut Tape packaging is acceptable.

1N4753A-T50A (Manufacturer Alternative - Conditional Substitute)

The 1N4753A-T50A is a Fairchild Semiconductor Zener diode with the same 36 V nominal voltage and ±5% tolerance as the ZPY36-TR. Both devices use the DO-204AL (DO-41) through-hole package and are suitable for through-hole PCB assembly.

The 1N4753A-T50A differs from the ZPY36-TR in the following parameters:

• Power rating: 1 W (versus 1.3 W for ZPY36-TR)
• Impedance: 50 Ohms maximum (versus 25 Ohms for ZPY36-TR)
• Reverse leakage current: 5 µA @ 27.4 V (versus 500 nA @ 27 V for ZPY36-TR)
• Operating temperature range: -65°C to 200°C (versus 175°C maximum for ZPY36-TR)
• Automotive qualification: Not specified
• AEC-Q101 qualification: Not specified

The 1N4753A-T50A is suitable for substitution in applications where the lower power rating (1 W) and higher impedance (50 Ohms) are acceptable. This part is not qualified for automotive applications requiring AEC-Q101 certification.

Frequently Asked Questions (FAQ)

Q: Can ZPY36-TAP be used as a direct replacement for ZPY36-TR?

A: Yes. ZPY36-TAP is a parametric equivalent with identical electrical specifications and automotive-grade AEC-Q101 qualification. The only difference is the packaging format (Cut Tape versus Tape & Reel). Both components are suitable for the same circuit applications.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) packaging?

A: Tape & Reel (TR) packaging supplies components on a continuous reel suitable for high-volume automated assembly. Cut Tape (CT) packaging supplies components on tape segments, typically used for lower-volume applications or manual assembly. The electrical and mechanical properties of the component are identical; the difference is in the supply format.

Q: Can 1N4753A-T50A replace ZPY36-TR in all applications?

A: No. The 1N4753A-T50A has a lower maximum power rating (1 W versus 1.3 W) and higher impedance (50 Ohms versus 25 Ohms). It is suitable only for applications where these reduced specifications are acceptable. Additionally, the 1N4753A-T50A is not automotive-grade and lacks AEC-Q101 qualification, making it unsuitable for automotive applications requiring these certifications.

Q: What does AEC-Q101 qualification mean?

A: AEC-Q101 is an automotive electronics council qualification standard for discrete semiconductors. It certifies that the component meets automotive industry reliability and quality requirements. Components with AEC-Q101 qualification are suitable for automotive applications; components without this qualification are not.

Q: Are all three parts ROHS3 compliant?

A: ZPY36-TR and ZPY36-TAP are both ROHS3 compliant. The RoHS status of 1N4753A-T50A is not specified in the provided data.

Q: What is the significance of the 25 Ohms versus 50 Ohms impedance difference?

A: Impedance affects the dynamic response of the Zener diode during transient voltage events. Lower impedance (25 Ohms) provides faster voltage regulation and better transient suppression. Higher impedance (50 Ohms) results in slower response. Selection depends on circuit requirements for transient protection and voltage regulation speed.

Q: Can ZPY36-TR be used in non-automotive applications?

A: Yes. The ZPY36-TR is automotive-grade and AEC-Q101 qualified, but these certifications do not restrict its use to automotive applications. It is suitable for any application requiring a 36 V, 1.3 W Zener diode in DO-41 package format.