FR201G R0G Equivalent & Substitute Parts

Part Overview

The FR201G R0G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 50 V DC reverse voltage and 2 A average rectified current in a DO-204AC (DO-15) axial through-hole package. This part is discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components for ongoing design support and procurement.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	50 V
Current - Average Rectified (Io)	2 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 2 A
Speed Classification	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Reverse Recovery Time (trr)	150 ns
Current - Reverse Leakage @ Vr	5 µA @ 50 V
Package / Case	DO-204AC, DO-15, Axial
Mounting Type	Through Hole
Operating Temperature - Junction	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the FR201G R0G is determined by the following critical parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): 50 V minimum
Current - Average Rectified (Io): 2 A minimum
Package / Case: DO-204AC, DO-15, Axial (through-hole mounting)
Mounting Type: Through Hole

Secondary Compatibility Factors:

Voltage - Forward (Vf) (Max) @ If: ≤ 1.3 V @ 2 A
Speed Classification: Fast Recovery ≤ 500 ns, > 200 mA (Io)
Reverse Recovery Time (trr): ≤ 150 ns
Operating Temperature - Junction: -55°C ~ 150°C minimum range
RoHS Status: ROHS3 Compliant

Substitute Categories:

Direct Equivalent (Identical Electrical and Mechanical Specifications):

FR201G (Taiwan Semiconductor Corporation) - Active product status

Parametric Equivalent (Identical Current and Voltage Ratings, Identical Package):

FR201GT-G (Comchip Technology)
PG200R_R2_00001 (Panjit International Inc.)

Similar Substitute (Identical Voltage and Package, Reduced Current Rating):

GP15A-E3/54 (Vishay General Semiconductor - Diodes Division)
RGP15A-E3/54 (Vishay General Semiconductor - Diodes Division)
1N5391GP-E3/54 (Vishay General Semiconductor - Diodes Division)

Similar Substitute (Identical Current and Voltage Ratings, Enhanced Performance):

EGP20A-E3/54 (Vishay General Semiconductor - Diodes Division)
EGP20A-E3/73 (Vishay General Semiconductor - Diodes Division)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max)	Io	Vf (Max) @ If	Speed	trr	Package	Product Status
FR201G R0G	Taiwan Semiconductor Corporation	50 V	2 A	1.3 V @ 2 A	Fast Recovery ≤ 500 ns	150 ns	DO-204AC (DO-15)	Discontinued
FR201G	Taiwan Semiconductor Corporation	50 V	2 A	1.3 V @ 2 A	Fast Recovery ≤ 500 ns	150 ns	DO-204AC (DO-15)	Active
FR201GT-G	Comchip Technology	50 V	2 A	1.3 V @ 2 A	Fast Recovery ≤ 500 ns	150 ns	DO-204AC (DO-15)	Active
PG200R_R2_00001	Panjit International Inc.	50 V	2 A	1.3 V @ 2 A	Fast Recovery ≤ 500 ns	150 ns	DO-204AC (DO-15)	Active
EGP20A-E3/54	Vishay General Semiconductor - Diodes Division	50 V	2 A	950 mV @ 2 A	Fast Recovery ≤ 500 ns	50 ns	DO-204AC (DO-15)	Active
EGP20A-E3/73	Vishay General Semiconductor - Diodes Division	50 V	2 A	950 mV @ 2 A	Fast Recovery ≤ 500 ns	50 ns	DO-204AC (DO-15)	Active
GP15A-E3/54	Vishay General Semiconductor - Diodes Division	50 V	1.5 A	1.1 V @ 1.5 A	Standard Recovery > 500 ns	3.5 µs	DO-204AC (DO-15)	Active
RGP15A-E3/54	Vishay General Semiconductor - Diodes Division	50 V	1.5 A	1.3 V @ 1.5 A	Fast Recovery ≤ 500 ns	150 ns	DO-204AC (DO-15)	Active
1N5391GP-E3/54	Vishay General Semiconductor - Diodes Division	50 V	1.5 A	1.4 V @ 1.5 A	Standard Recovery > 500 ns	2 µs	DO-204AC (DO-15)	Active

Engineering Selection Recommendations

Primary Selection - Direct Equivalent:

FR201G (Taiwan Semiconductor Corporation) is the direct equivalent to FR201G R0G. This part maintains identical electrical specifications, package configuration, and operating temperature range. Product status is Active, ensuring long-term availability and supply chain stability. This part is ROHS3 Compliant and REACH Unaffected.

Secondary Selection - Parametric Equivalents:

FR201GT-G (Comchip Technology) and PG200R_R2_00001 (Panjit International Inc.) are parametric equivalents with identical current and voltage ratings, matching package specifications, and equivalent electrical performance. Both parts are Active and ROHS3 Compliant. These selections are suitable for direct replacement in applications where the original FR201G R0G specifications are required.

Alternative Selection - Enhanced Performance:

EGP20A-E3/54 and EGP20A-E3/73 (Vishay General Semiconductor - Diodes Division) provide identical voltage and current ratings with superior fast recovery characteristics (50 ns reverse recovery time versus 150 ns). These parts are suitable for applications requiring improved switching performance. Both are Active and ROHS3 Compliant.

Reduced Current Rating Alternatives:

GP15A-E3/54, RGP15A-E3/54, and 1N5391GP-E3/54 are suitable only for applications where the circuit current requirement does not exceed 1.5 A. These parts maintain the 50 V voltage rating and DO-204AC package configuration. Selection of these parts requires circuit analysis to confirm current compatibility. All are Active and ROHS3 Compliant.

Frequently Asked Questions (FAQ)

Q: Can FR201GT-G replace FR201G R0G in all applications?

A: Yes. FR201GT-G is a parametric equivalent with identical voltage (50 V), current (2 A), forward voltage (1.3 V @ 2 A), recovery speed (Fast Recovery ≤ 500 ns), and reverse recovery time (150 ns). The DO-204AC (DO-15) axial through-hole package is identical. No circuit modifications are required.

Q: What is the difference between FR201G and EGP20A-E3/54?

A: Both parts share identical voltage (50 V) and current (2 A) ratings and use the same DO-204AC (DO-15) package. EGP20A-E3/54 offers superior switching performance with a reverse recovery time of 50 ns compared to 150 ns for FR201G, and a lower forward voltage of 950 mV versus 1.3 V. These characteristics make EGP20A-E3/54 suitable for higher-frequency switching applications.

Q: Can GP15A-E3/54 be used as a substitute for FR201G R0G?

A: GP15A-E3/54 is not a direct substitute. While it maintains the 50 V voltage rating and DO-204AC package, the current rating is reduced to 1.5 A. This part is suitable only for applications where circuit current does not exceed 1.5 A. Additionally, GP15A-E3/54 has a standard recovery speed (> 500 ns) and longer reverse recovery time (3.5 µs) compared to the fast recovery characteristics of FR201G R0G.

Q: Are all substitute parts ROHS3 Compliant?

A: Yes. All substitute parts listed are ROHS3 Compliant and suitable for applications requiring RoHS compliance.

Q: What is the significance of reverse recovery time in diode selection?

A: Reverse recovery time (trr) determines how quickly a diode transitions from conducting to blocking state. FR201G R0G has a trr of 150 ns, classified as fast recovery. Parts with shorter trr values (such as EGP20A-E3/54 at 50 ns) are suitable for higher-frequency switching applications. Parts with longer trr values (such as GP15A-E3/54 at 3.5 µs) are suitable for lower-frequency or linear applications.

Q: Does packaging format affect substitution compatibility?

A: All substitute parts use the DO-204AC (DO-15) axial through-hole package, ensuring mechanical and electrical compatibility with FR201G R0G. Packaging format variations (Tape & Reel, Cut Tape, or bulk) do not affect functional performance and are determined by procurement and assembly requirements.

Q: What is the operating temperature range for substitute parts?

A: FR201G R0G operates from -55°C to 150°C. Substitute parts FR201GT-G and PG200R_R2_00001 share this identical range. Vishay parts (EGP20A-E3/54, EGP20A-E3/73, GP15A-E3/54, RGP15A-E3/54, 1N5391GP-E3/54) operate from -65°C to 150°C or -65°C to 175°C, providing extended low-temperature capability.

Q: Is forward voltage an important selection criterion?

A: Forward voltage (Vf) affects power dissipation and circuit performance. FR201G R0G has Vf of 1.3 V @ 2 A. EGP20A series parts have lower Vf of 950 mV @ 2 A, resulting in reduced power loss. Selection depends on circuit power budget and thermal management requirements.

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