BYW52-TAP Equivalent & Substitute Parts

Part Overview

The BYW52-TAP is an avalanche diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 200 V DC reverse voltage and 2 A average rectified current in a through-hole SOD-57 axial package. This component is classified as Active and is RoHS3 compliant. Substitute parts are necessary when the original BYW52-TAP becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design revisions necessitate component standardization across product lines.

Substiute Parts

BYW52-TAP

Vishay General Semiconductor - Diodes DivisionIn Stock: 859BYW52-TAP Datasheet

Current PartRFQ

EGP20D

onsemiIn Stock: 25161EGP20D Datasheet

MFR RecommendedRFQ

MUR220RLG

onsemiIn Stock: 265383MUR220RLG Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the BYW52-TAP is determined by equivalence in the following critical parameters: maximum DC reverse voltage (200 V), average rectified current (2 A), through-hole mounting configuration, and axial package orientation. All substitute parts must maintain these electrical and mechanical specifications to ensure functional compatibility within the circuit.

The BYW52-TAP is an avalanche diode with standard recovery characteristics (>500 ns). Substitute parts identified in this reference include both avalanche and standard technology diodes, provided they meet the voltage and current ratings. Packaging differences exist between the main part (SOD-57) and substitute options (DO-15, DO-41), which affects board layout and mechanical fit but does not alter electrical performance when electrical parameters are equivalent.

Compliance certifications including RoHS3 and REACH status are maintained across all substitute parts listed. Moisture sensitivity level (MSL) is not applicable to through-hole components and does not restrict substitution.

Parameter Comparison

Engineering Selection Recommendations

BYW52-TAP (Primary Component)

The BYW52-TAP is the specified component and remains the preferred selection for new designs. It is classified as Active and carries full manufacturer support. This avalanche diode provides the lowest reverse leakage current (1 µA @ 200 V) among the listed options and operates across the widest temperature range (-55 to 175 °C).

MUR220RLG (Preferred Substitute)

The MUR220RLG is classified as Active and is the recommended substitute when BYW52-TAP availability is constrained. It meets all critical electrical parameters: 200 V reverse voltage and 2 A average rectified current. The MUR220RLG operates across the same maximum temperature range (-65 to 175 °C) as the BYW52-TAP and maintains RoHS3 compliance. The primary difference is packaging: MUR220RLG uses DO-41 axial format instead of SOD-57. This substitution requires board layout modification to accommodate the different package dimensions. The MUR220RLG exhibits faster reverse recovery (35 ns versus 4 µs) and lower reverse leakage (2 µA @ 200 V), which may improve circuit performance in switching applications.

EGP20D (Secondary Substitute)

The EGP20D is classified as Not For New Designs and should be used only when no other alternatives are available. It meets the 200 V and 2 A electrical requirements but has a reduced maximum junction temperature of 150 °C compared to the BYW52-TAP (175 °C). The EGP20D uses DO-15 axial packaging, requiring board layout modification. This part exhibits higher reverse leakage (5 µA @ 200 V) than both the primary component and preferred substitute.

Frequently Asked Questions (FAQ)

Q: Can the EGP20D be used as a direct replacement for the BYW52-TAP?

A: The EGP20D meets the core electrical specifications (200 V, 2 A) but is classified as Not For New Designs. It is electrically compatible but has a lower maximum junction temperature (150 °C versus 175 °C). Package format differs (DO-15 versus SOD-57), requiring board layout changes. Use only when other substitutes are unavailable.

Q: What is the primary difference between the BYW52-TAP and MUR220RLG?

A: Both parts meet the 200 V and 2 A specifications and are classified as Active. The main differences are packaging format (SOD-57 versus DO-41) and recovery characteristics. The MUR220RLG has faster reverse recovery (35 ns versus 4 µs) and lower reverse leakage (2 µA versus 1 µA), which may provide performance benefits in high-frequency switching circuits.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. The BYW52-TAP, EGP20D, and MUR220RLG are all RoHS3 compliant and REACH unaffected. All parts are suitable for applications requiring environmental compliance certification.

Q: Does package format affect electrical performance?

A: Package format (SOD-57, DO-15, DO-41) does not alter the electrical characteristics of the diode. However, different packages have different physical dimensions, which affects board layout, lead length, and mechanical fit. Substitution between different package formats requires PCB design modification.

Q: What is the temperature operating range for each part?

A: BYW52-TAP operates from -55 to 175 °C. MUR220RLG operates from -65 to 175 °C. EGP20D operates from -65 to 150 °C. If the application requires operation above 150 °C, the EGP20D is not suitable.

Q: Why does the BYW52-TAP have a longer reverse recovery time than the substitutes?

A: The BYW52-TAP is an avalanche diode with standard recovery characteristics (4 µs), while the EGP20D and MUR220RLG are standard technology diodes with fast recovery characteristics (50 ns and 35 ns respectively). Recovery time affects switching speed and is application-dependent. Faster recovery may reduce switching losses in high-frequency circuits.

Q: Can I use MUR220RLG in place of BYW52-TAP without circuit modification?

A: Electrical substitution is valid. However, the different package format (DO-41 versus SOD-57) requires PCB layout modification to accommodate different lead spacing and component body dimensions. Verify mechanical fit before implementation.