BZX85B36-TAP Equivalent & Substitute Parts

Part Overview

The BZX85B36-TAP is an automotive-grade Zener diode manufactured by Vishay General Semiconductor - Diodes Division. This through-hole component operates at a nominal Zener voltage of 36 V with a maximum power dissipation of 1.3 W. The device is packaged in DO-204AL (DO-41) axial configuration and is qualified to AEC-Q101 automotive standards. The part is currently in active production status with 807 units available in inventory.

Equivalent and substitute parts are identified when components share identical or compatible electrical characteristics within specified tolerance ranges, matching mechanical packaging requirements, and maintaining compliance with applicable industry standards and regulations.

Substiute Parts

BZX85B36-TAP

Vishay General Semiconductor - Diodes DivisionIn Stock: 867BZX85B36-TAP Datasheet

Current PartRFQ

1N4753A

Lumimax Optoelectronic TechnologyIn Stock: 391161N4753A Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution compatibility for the BZX85B36-TAP is determined by the following critical parameters:

Primary Electrical Criteria:

• Nominal Zener voltage of 36 V
• Maximum power dissipation capability of 1.3 W or greater
• Impedance (Zzt) within acceptable operating range
• Reverse leakage current characteristics suitable for circuit application

Mechanical Criteria:

• Through-hole mounting configuration
• DO-204AL (DO-41) axial package format

Compliance Criteria:

• RoHS compliance status
• REACH compliance status
• Operating temperature range compatibility

The 1N4753A qualifies as a substitute part based on matching nominal Zener voltage (36 V), compatible through-hole axial packaging (DO-41), and equivalent regulatory compliance. Differences in power rating, tolerance, and impedance are within acceptable substitution parameters for general circuit applications.

Parameter Comparison

Engineering Selection Recommendations

BZX85B36-TAP Selection Criteria:

• Automotive applications requiring AEC-Q101 qualification
• Circuits requiring tighter voltage tolerance (±2%)
• Applications with higher power dissipation requirements (1.3 W)
• Systems operating within -55°C to 175°C temperature range
• Designs prioritizing lower impedance characteristics (40 Ohms maximum)

1N4753A Selection Criteria:

• General-purpose industrial and commercial applications
• Circuits where ±5% voltage tolerance is acceptable
• Applications with maximum power dissipation of 1.0 W
• Systems operating within -65°C to 200°C temperature range
• Designs where higher impedance (50 Ohms maximum) is acceptable
• Applications not requiring automotive-grade qualification

Both parts maintain active production status and full regulatory compliance. Selection between these components depends on specific application requirements regarding power dissipation, voltage tolerance, temperature range, and automotive qualification necessity.

Frequently Asked Questions (FAQ)

Q: Can the 1N4753A directly replace the BZX85B36-TAP in automotive applications?

A: The 1N4753A is not qualified to AEC-Q101 automotive standards. Applications requiring automotive-grade components must use the BZX85B36-TAP or equivalent AEC-Q101 qualified alternatives.

Q: What is the significance of the ±2% versus ±5% tolerance difference?

A: The BZX85B36-TAP maintains a tighter voltage tolerance of ±2%, while the 1N4753A has ±5% tolerance. Applications requiring precise voltage regulation should specify the BZX85B36-TAP. The 1N4753A is suitable for applications where broader voltage tolerance is acceptable.

Q: Are both parts compatible with the same PCB footprint?

A: Both components use DO-204AL (DO-41) axial through-hole packaging. Physical dimensions and lead spacing are identical, allowing direct PCB footprint compatibility.

Q: What is the impact of the 1.3 W versus 1.0 W power rating difference?

A: The BZX85B36-TAP supports higher power dissipation at 1.3 W compared to the 1N4753A at 1.0 W. Circuits requiring sustained power dissipation above 1.0 W must use the BZX85B36-TAP to prevent thermal stress and component failure.

Q: How do the reverse leakage current specifications compare?

A: The BZX85B36-TAP specifies 500 nA reverse leakage at 27 V, while the 1N4753A specifies 5 µA at 27.4 V. The BZX85B36-TAP exhibits significantly lower leakage current, beneficial for precision analog circuits and low-power applications.

Q: Are both parts RoHS compliant?

A: Yes. The BZX85B36-TAP is ROHS3 compliant, and the 1N4753A is RoHS compliant. Both parts meet current environmental regulations. Both maintain REACH unaffected status.

Q: What is the operating temperature range difference?

A: The BZX85B36-TAP operates from -55°C to 175°C, while the 1N4753A operates from -65°C to 200°C. The 1N4753A provides extended low-temperature capability and higher maximum operating temperature. Application temperature requirements determine which component is appropriate.

Q: Can I use the 1N4753A in a circuit designed for the BZX85B36-TAP?

A: Substitution is possible only if the application does not require AEC-Q101 automotive qualification, can tolerate ±5% voltage tolerance instead of ±2%, and operates within the 1.0 W power dissipation limit. Verify all electrical and compliance requirements before substitution.