UG2D B0G Equivalent & Substitute Parts

Part Overview

The UG2D B0G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 200 V DC reverse voltage and 2 A average rectified current in a DO-204AC (DO-15) through-hole axial package. This diode features fast recovery characteristics with a reverse recovery time of 25 ns and operates across a junction temperature range of -55°C to 150°C. The part is RoHS3 compliant and REACH unaffected, with an active product status and 1077 units currently in stock.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required, or when design optimization calls for different electrical characteristics within compatible voltage and current ratings.

Substiute Parts

UG2D B0G

Taiwan Semiconductor CorporationIn Stock: 1106UG2D B0G Datasheet

Current PartRFQ

UG2D-E3/54

Vishay General Semiconductor - Diodes DivisionIn Stock: 5215UG2D-E3/54 Datasheet

DirectRFQ

UG2D-E3/73

Vishay General Semiconductor - Diodes DivisionIn Stock: 2058UG2D-E3/73 Datasheet

DirectRFQ

1N5059GP-E3/54

Vishay General Semiconductor - Diodes DivisionIn Stock: 22851N5059GP-E3/54 Datasheet

SimilarRFQ

1N5393GP-E3/54

Vishay General Semiconductor - Diodes DivisionIn Stock: 74111N5393GP-E3/54 Datasheet

SimilarRFQ

1N5615GP-E3/54

Vishay General Semiconductor - Diodes DivisionIn Stock: 113041N5615GP-E3/54 Datasheet

SimilarRFQ

EGP20D-E3/54

Vishay General Semiconductor - Diodes DivisionIn Stock: 1156EGP20D-E3/54 Datasheet

SimilarRFQ

EGP20D-E3/73

Vishay General Semiconductor - Diodes DivisionIn Stock: 3984EGP20D-E3/73 Datasheet

SimilarRFQ

GP15D-E3/54

Vishay General Semiconductor - Diodes DivisionIn Stock: 4424GP15D-E3/54 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the UG2D B0G are classified into two categories based on electrical and mechanical compatibility:

Direct Equivalents maintain identical electrical specifications across all critical parameters: 200 V reverse voltage rating, 2 A average rectified current, 950 mV forward voltage drop at 2 A, 25 ns reverse recovery time, and DO-204AC through-hole axial package. These parts differ only in packaging format (Cut Tape versus bulk) and manufacturer variant codes.

Similar Alternatives share the same 200 V reverse voltage rating and DO-204AC package but differ in average rectified current capacity (1 A or 1.5 A) or recovery characteristics. These parts are suitable for applications where the full 2 A current rating is not required or where different recovery time performance is acceptable.

The substitution logic is based strictly on:

• Voltage - DC Reverse (Vr) (Max): 200 V (mandatory match)
• Package / Case: DO-204AC, DO-15, Axial (mandatory match)
• Mounting Type: Through Hole (mandatory match)
• Current - Average Rectified (Io): 2 A (for direct equivalents) or ≥ 1 A (for similar alternatives)
• Reverse Recovery Time (trr): ≤ 500 ns (fast recovery classification)

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (Preferred for Pin-for-Pin Replacement)

The UG2D-E3/54 and UG2D-E3/73 are direct electrical and mechanical equivalents to the UG2D B0G. Both parts are manufactured by Vishay General Semiconductor - Diodes Division and maintain identical specifications across voltage rating, current capacity, forward voltage drop, and reverse recovery time. The primary distinction between these parts and the original is the packaging format (Cut Tape versus bulk) and manufacturer variant designation. Both are RoHS3 compliant and REACH unaffected with active product status. Selection between these two direct equivalents depends on procurement requirements and packaging format availability.

Fast Recovery Alternatives with Identical Current Rating

The EGP20D-E3/54 and EGP20D-E3/73 are fast recovery diodes rated for 200 V and 2 A, matching the current capacity of the UG2D B0G. These parts feature a reverse recovery time of 50 ns compared to the 25 ns of the original part, representing a 2× increase in recovery time while maintaining fast recovery classification. Both are RoHS3 compliant with active product status. The extended operating temperature range (-65°C to 150°C) provides additional thermal margin compared to the original part's -55°C to 150°C range. These parts are suitable for applications where the slightly longer recovery time is acceptable and where the broader temperature range is beneficial.

Lower Current Alternatives with Fast Recovery Characteristics

The 1N5615GP-E3/54 is a 1 A fast recovery diode with a reverse recovery time of 150 ns and significantly reduced reverse leakage current (500 nA at 200 V versus 5 µA). This part is suitable for applications requiring lower current capacity where the improved leakage characteristics provide design advantages. The extended operating temperature range (-65°C to 175°C) exceeds the original part's specification.

Standard Recovery Alternatives

The 1N5059GP-E3/54, 1N5393GP-E3/54, and GP15D-E3/54 are standard recovery diodes with reverse recovery times exceeding 500 ns. These parts are suitable only for applications where fast recovery performance is not required. The 1N5393GP-E3/54 and GP15D-E3/54 are rated for 1.5 A, providing intermediate current capacity between 1 A and 2 A options.

All substitute parts listed maintain RoHS3 compliance and REACH unaffected status with active product status, ensuring regulatory alignment with the original part.

Frequently Asked Questions (FAQ)

Q: Can I use UG2D-E3/54 or UG2D-E3/73 as direct replacements for UG2D B0G?

A: Yes. The UG2D-E3/54 and UG2D-E3/73 are direct electrical and mechanical equivalents. All critical parameters—voltage rating, current capacity, forward voltage drop, reverse recovery time, and package type—are identical. The only differences are the packaging format (Cut Tape) and manufacturer variant codes. These parts are suitable for direct substitution in any application using the UG2D B0G.

Q: What is the difference between fast recovery and standard recovery diodes?

A: Fast recovery diodes have reverse recovery times of 500 ns or less, while standard recovery diodes exceed 500 ns. The UG2D B0G features a 25 ns reverse recovery time, classifying it as fast recovery. Fast recovery diodes are required in high-frequency switching applications to minimize switching losses and electromagnetic interference. Standard recovery diodes are suitable for lower-frequency rectification applications where recovery speed is not critical.

Q: Can I substitute a 1 A diode for the 2 A UG2D B0G?

A: Substitution depends on your application's actual current requirements. If your circuit draws 1 A or less, a 1 A-rated diode such as the 1N5615GP-E3/54 is suitable. However, if your application requires the full 2 A capacity, a 1 A diode will be inadequate and may fail due to thermal stress. Always verify that the substitute part's current rating meets or exceeds your application's maximum current demand.

Q: What does the DO-204AC package designation mean?

A: DO-204AC is the standardized package designation for axial-lead through-hole diodes, also known as DO-15. This package consists of a cylindrical body with wire leads extending from each end, designed for insertion into through-hole PCB mounting. All substitute parts listed maintain this identical package format, ensuring mechanical compatibility with existing PCB designs.

Q: Are all listed substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed in this reference maintain RoHS3 compliance and REACH unaffected status, matching the regulatory compliance of the original UG2D B0G. This ensures that substitution does not introduce regulatory or environmental compliance issues.

Q: What is the significance of reverse leakage current?

A: Reverse leakage current (Ir) is the small current that flows through a diode when reverse-biased. The UG2D B0G specifies 5 µA at 200 V. Lower leakage current reduces power dissipation and improves circuit performance in sensitive applications. The 1N5615GP-E3/54 offers significantly lower leakage (500 nA), which may be advantageous in precision analog circuits or low-power applications.

Q: Can I use EGP20D-E3/54 if my application requires the exact 25 ns reverse recovery time of the UG2D B0G?

A: No. The EGP20D-E3/54 has a reverse recovery time of 50 ns, which is twice that of the UG2D B0G. If your application's timing or switching performance depends on the 25 ns specification, the EGP20D-E3/54 will not provide equivalent performance. Use only the UG2D-E3/54 or UG2D-E3/73 for applications requiring the exact 25 ns recovery time.

Q: What is the difference between Cut Tape (CT) and bulk packaging?

A: Cut Tape (CT) packaging refers to components supplied on continuous tape that has been cut into specific lengths for individual orders, typically used for automated assembly. Bulk packaging refers to components supplied in larger quantities without tape formatting. The electrical and mechanical specifications of the component remain identical regardless of packaging format. Selection depends on your procurement and assembly process requirements.

Q: Do all substitute parts operate across the same temperature range as the UG2D B0G?

A: No. The UG2D B0G operates from -55°C to 150°C junction temperature. Most Vishay substitute parts extend this range to -65°C to 175°C, providing broader thermal operating margins. If your application operates within the original -55°C to 150°C range, any substitute part is suitable. If your application requires operation below -55°C or above 150°C, verify that the substitute part's temperature range accommodates your requirements.