Request Quote
(Ships tomorrow)
Equivalent & Substitute Parts for 2A01G-T
Part Overview
The 2A01G-T is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 50 V DC reverse voltage and 2 A average rectified current in a DO-15 through-hole package. This component is classified as obsolete, making identification of equivalent and substitute parts essential for ongoing design support and production continuity. Substitute parts must maintain electrical compatibility across voltage, current, and thermal specifications while accommodating available packaging and product status options.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - DC Reverse (Vr) (Max) | 50 | V |
| Current - Average Rectified (Io) | 2 | A |
| Voltage - Forward (Vf) (Max) @ If | 1.1 V @ 2 A | V |
| Current - Reverse Leakage @ Vr | 5 | µA @ 50 V |
| Mounting Type | Through Hole | — |
| Package / Case | DO-204AC, DO-15, Axial | — |
| Operating Temperature - Junction | -65°C ~ 175°C | °C |
| RoHS Status | ROHS3 Compliant | — |
Substitute Part Grouping Explanation
Substitution of the 2A01G-T is determined by the following critical parameters:
- Voltage Rating: All substitute parts must maintain a maximum DC reverse voltage (Vr) of 50 V or greater
- Current Rating: All substitute parts must support an average rectified current (Io) of 2 A or greater
- Forward Voltage: Forward voltage drop must not exceed 1.1 V at 2 A to maintain circuit performance
- Reverse Leakage: Maximum reverse leakage current must not exceed 5 µA at 50 V
- Package Compatibility: All substitute parts must use DO-15 or DO-204AC (equivalent) axial through-hole packaging
- Thermal Range: Operating junction temperature range must accommodate the application requirements
- Compliance: RoHS3 compliance is required for all substitute parts
The substitute parts listed below meet these electrical and mechanical requirements and are available in active product status, providing production continuity for the obsolete 2A01G-T.
Parameter Comparison
| Parameter | 2A01G-T | GPP20A-E3/54 | EGP20A | EGP20A-E3/54 | SBYV27-50-E3/54 |
|---|---|---|---|---|---|
| Manufacturer | Diodes Incorporated | Vishay General Semiconductor | Fairchild Semiconductor | Vishay General Semiconductor | Vishay General Semiconductor |
| Voltage - DC Reverse (Vr) (Max) | 50 V | 50 V | 50 V | 50 V | 50 V |
| Current - Average Rectified (Io) | 2 A | 2 A | 2 A | 2 A | 2 A |
| Voltage - Forward (Vf) (Max) @ If | 1.1 V @ 2 A | 1.1 V @ 2 A | 950 mV @ 2 A | 950 mV @ 2 A | 1.07 V @ 3 A |
| Speed | Standard Recovery >500ns | Standard Recovery >500ns | Fast Recovery ≤500ns | Fast Recovery ≤500ns | Fast Recovery ≤500ns |
| Reverse Recovery Time (trr) | — | — | 50 ns | 50 ns | 15 ns |
| Current - Reverse Leakage @ Vr | 5 µA @ 50 V | 5 µA @ 50 V | 5 µA @ 50 V | 5 µA @ 50 V | 5 µA @ 50 V |
| Capacitance @ Vr, F | 40 pF @ 4V, 1MHz | — | 70 pF @ 4V, 1MHz | 70 pF @ 4V, 1MHz | 15 pF @ 4V, 1MHz |
| Package / Case | DO-204AC, DO-15, Axial | DO-204AC, DO-15, Axial | DO-204AC, DO-15, Axial | DO-204AC, DO-15, Axial | DO-204AC, DO-15, Axial |
| Operating Temperature - Junction | -65°C ~ 175°C | -55°C ~ 150°C | -65°C ~ 150°C | -65°C ~ 150°C | -55°C ~ 150°C |
| Product Status | Obsolete | Active | Active | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | — | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
Primary Substitute: EGP20A-E3/54
The EGP20A-E3/54 manufactured by Vishay General Semiconductor is the recommended primary substitute for the 2A01G-T. This part maintains full electrical equivalence with identical voltage and current ratings, meets ROHS3 compliance requirements, and is available in active product status. The fast recovery characteristic (≤500ns) provides improved performance over the standard recovery speed of the original part. Operating temperature range of -65°C to 150°C accommodates most applications, with the exception of designs requiring operation above 150°C junction temperature.
Secondary Substitute: GPP20A-E3/54
The GPP20A-E3/54 from Vishay General Semiconductor provides direct electrical equivalence with standard recovery speed matching the original 2A01G-T specification. This part is suitable for applications where fast recovery performance is not required. Operating temperature range is -55°C to 150°C, which is acceptable for standard industrial applications. ROHS3 compliance and active product status ensure long-term availability.
Alternative Substitute: SBYV27-50-E3/54
The SBYV27-50-E3/54 from Vishay General Semiconductor offers superior fast recovery performance with a reverse recovery time of 15 ns, the fastest among available substitutes. This part is suitable for high-frequency switching applications where reduced switching losses are beneficial. Operating temperature range is -55°C to 150°C. ROHS3 compliance and active product status are confirmed.
Substitute with Improved Performance: EGP20A
The EGP20A from Fairchild Semiconductor provides fast recovery performance with reduced forward voltage drop (950 mV at 2 A versus 1.1 V for the original part). This part is available in bulk packaging and maintains active product status. Operating temperature range of -65°C to 150°C is suitable for most applications. Note that RoHS status is not specified for this part.
All substitute parts are available in DO-15 or DO-204AC axial through-hole packaging, ensuring mechanical compatibility with existing PCB designs and assembly processes.
Frequently Asked Questions (FAQ)
Q: Can the 2A01G-T be directly replaced with any of the listed substitute parts?
A: Yes. All listed substitute parts meet the critical electrical parameters of the 2A01G-T: 50 V reverse voltage rating, 2 A average rectified current, 5 µA maximum reverse leakage at 50 V, and through-hole DO-15/DO-204AC axial packaging. Direct pin-for-pin substitution is possible without circuit modification.
Q: What is the difference between standard recovery and fast recovery diodes?
A: The 2A01G-T uses standard recovery technology with recovery time greater than 500 ns. The substitute parts EGP20A, EGP20A-E3/54, and SBYV27-50-E3/54 use fast recovery technology with recovery time of 50 ns or less. Fast recovery diodes exhibit lower switching losses and are suitable for higher-frequency applications. Standard recovery diodes (GPP20A-E3/54) are appropriate for lower-frequency rectification circuits.
Q: Does forward voltage drop affect circuit performance?
A: Forward voltage drop affects power dissipation and circuit efficiency. The 2A01G-T specifies 1.1 V at 2 A. The EGP20A and EGP20A-E3/54 offer lower forward voltage drop at 950 mV at 2 A, resulting in reduced power loss. The SBYV27-50-E3/54 specifies 1.07 V at 3 A. For applications sensitive to power dissipation, the lower forward voltage options provide improved efficiency.
Q: Are all substitute parts RoHS3 compliant?
A: EGP20A-E3/54, GPP20A-E3/54, and SBYV27-50-E3/54 are confirmed ROHS3 compliant. The EGP20A from Fairchild Semiconductor does not specify RoHS status in the provided data. For applications requiring RoHS3 compliance certification, use EGP20A-E3/54, GPP20A-E3/54, or SBYV27-50-E3/54.
Q: What is the operating temperature range consideration for substitution?
A: The 2A01G-T operates from -65°C to 175°C junction temperature. The substitute parts operate within -55°C to 150°C (GPP20A-E3/54, SBYV27-50-E3/54) or -65°C to 150°C (EGP20A, EGP20A-E3/54). Applications requiring operation above 150°C junction temperature cannot use these substitutes. For standard industrial applications operating below 150°C, all substitutes are suitable.
Q: Why is the 2A01G-T classified as obsolete?
A: Obsolete status indicates the part is no longer manufactured by Diodes Incorporated. The substitute parts listed are all in active production status, ensuring long-term availability and supply chain continuity for new designs and production support.
Q: Can packaging format affect substitution?
A: All substitute parts use DO-15 or DO-204AC axial through-hole packaging, which are mechanically equivalent. Packaging format differences (Tape & Reel, Cut Tape, or Bulk) affect procurement and handling but do not affect electrical performance or PCB compatibility. Select packaging format based on production volume and assembly process requirements.
Q: Which substitute part offers the best overall performance?
A: Selection depends on application requirements. For general-purpose rectification with standard recovery characteristics, GPP20A-E3/54 provides direct equivalence. For improved efficiency, EGP20A or EGP20A-E3/54 offer lower forward voltage drop. For high-frequency switching applications, SBYV27-50-E3/54 provides the fastest recovery time at 15 ns.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts


