FR152G A0G Equivalent & Substitute Parts

Part Overview

The FR152G A0G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 100 V DC reverse voltage and 1.5 A average rectified current in a DO-204AC (DO-15) through-hole axial package. This component is classified as a fast recovery diode with a reverse recovery time of 150 ns and operates across a junction temperature range of -55°C to 150°C. The part maintains active product status and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are identified to address component availability, supply chain continuity, and application-specific performance requirements while maintaining electrical and mechanical compatibility within the specified parameter ranges.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	1.5	A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 1.5 A	V
Reverse Recovery Time (trr)	150	ns
Current - Reverse Leakage @ Vr	5	µA @ 100 V
Package / Case	DO-204AC (DO-15)	Axial
Mounting Type	Through Hole	-
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitute parts for the FR152G A0G are grouped based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Critical Matching Parameters:

Voltage - DC Reverse (Vr) (Max): 100 V (exact match required)
Package / Case: DO-204AC (DO-15) axial through-hole (exact match required)
Mounting Type: Through Hole (exact match required)
Current - Average Rectified (Io): 1.5 A minimum (equal or higher acceptable)
RoHS Status: ROHS3 Compliant (compliance requirement)

Acceptable Variation Parameters:

Voltage - Forward (Vf): Lower values indicate improved performance
Reverse Recovery Time (trr): Lower values indicate faster switching capability
Operating Temperature Range: Extended ranges provide additional design margin
Current - Reverse Leakage: Equal or lower values acceptable

Substitute parts are classified into two categories:

Category 1 - Direct Current Rating Match (1.5 A): GP15B-E3/54 provides identical 1.5 A current rating with improved forward voltage characteristics and extended temperature range.

Category 2 - Higher Current Rating (2 A): EGP20B-E3/54 and EGP20B-E3/73 provide 2 A current rating, enabling use in applications requiring higher current capacity while maintaining 100 V reverse voltage rating and DO-204AC package compatibility.

Parameter Comparison

Parameter	FR152G A0G	GP15B-E3/54	EGP20B-E3/54	EGP20B-E3/73
Manufacturer	Taiwan Semiconductor Corporation	Vishay General Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor
Voltage - DC Reverse (Vr) (Max)	100 V	100 V	100 V	100 V
Current - Average Rectified (Io)	1.5 A	1.5 A	2 A	2 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 1.5 A	1.1 V @ 1.5 A	950 mV @ 2 A	950 mV @ 2 A
Speed Classification	Fast Recovery ≤ 500ns	Standard Recovery > 500ns	Fast Recovery ≤ 500ns	Fast Recovery ≤ 500ns
Reverse Recovery Time (trr)	150 ns	3.5 µs	50 ns	50 ns
Current - Reverse Leakage @ Vr	5 µA @ 100 V	5 µA @ 100 V	5 µA @ 100 V	5 µA @ 100 V
Package / Case	DO-204AC (DO-15)	DO-204AC (DO-15)	DO-204AC (DO-15)	DO-204AC (DO-15)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Operating Temperature - Junction	-55 to 150°C	-65 to 175°C	-65 to 150°C	-65 to 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

GP15B-E3/54 Selection Criteria:

The GP15B-E3/54 is suitable for direct replacement in applications where the 1.5 A current rating is specified and standard recovery speed characteristics are acceptable. This part offers improved forward voltage performance (1.1 V versus 1.3 V at 1.5 A), reducing power dissipation. The extended operating temperature range (-65°C to 175°C) provides additional thermal margin compared to the FR152G A0G. Both parts maintain ROHS3 compliance and identical reverse leakage characteristics. The primary trade-off is slower reverse recovery time (3.5 µs versus 150 ns), which may impact high-frequency switching applications.

EGP20B-E3/54 and EGP20B-E3/73 Selection Criteria:

The EGP20B series parts are suitable for applications requiring higher current capacity (2 A) while maintaining the 100 V reverse voltage rating and DO-204AC package form factor. Both variants provide superior reverse recovery time (50 ns), enabling faster switching operation compared to the FR152G A0G. Forward voltage is reduced to 950 mV at 2 A, improving efficiency in high-current applications. Both parts maintain ROHS3 compliance and identical reverse leakage characteristics. The EGP20B-E3/73 variant offers significantly higher inventory availability (42,995 pcs) compared to EGP20B-E3/54 (3,300 pcs).

All substitute parts are active products with confirmed RoHS3 compliance, unlimited moisture sensitivity level (MSL 1), and REACH unaffected status, matching the regulatory and environmental compliance profile of the FR152G A0G.

Frequently Asked Questions (FAQ)

Q: Can the GP15B-E3/54 be used as a direct replacement for the FR152G A0G?

A: Yes, the GP15B-E3/54 is a direct replacement for applications where 1.5 A current rating is required. Both parts share identical voltage ratings (100 V), current ratings (1.5 A), package type (DO-204AC), and mounting configuration (through-hole axial). The GP15B-E3/54 provides improved forward voltage characteristics and extended temperature range. The primary difference is slower reverse recovery time (3.5 µs versus 150 ns), which is acceptable for standard-speed applications but not suitable for high-frequency switching circuits.

Q: When should the EGP20B series be selected instead of the FR152G A0G?

A: The EGP20B series (EGP20B-E3/54 and EGP20B-E3/73) should be selected when application requirements include current ratings of 2 A or higher, or when fast reverse recovery time (50 ns) is critical for switching performance. Both EGP20B variants maintain the 100 V reverse voltage rating and DO-204AC package compatibility. These parts are not suitable for applications with strict 1.5 A current limitations, as they are rated for 2 A operation.

Q: Are all substitute parts compatible with the same PCB footprint as the FR152G A0G?

A: Yes, all substitute parts use the DO-204AC (DO-15) axial through-hole package, which maintains identical PCB footprint and mounting hole spacing. No PCB modifications are required for substitution. All parts are mounted as axial components with leads on opposite ends.

Q: What are the compliance and regulatory differences between the FR152G A0G and substitute parts?

A: All parts (FR152G A0G, GP15B-E3/54, EGP20B-E3/54, and EGP20B-E3/73) maintain identical compliance status: ROHS3 compliant, REACH unaffected, MSL 1 (unlimited), and EAR99 ECCN classification. No compliance trade-offs exist between the main part and substitutes.

Q: What is the impact of forward voltage differences on circuit performance?

A: Forward voltage differences affect power dissipation and voltage drop across the diode. The GP15B-E3/54 operates at 1.1 V versus 1.3 V for the FR152G A0G at 1.5 A, reducing dissipation by approximately 0.2 V per diode. The EGP20B series operates at 950 mV at 2 A. Lower forward voltage reduces heat generation and improves overall circuit efficiency, particularly in high-current or high-frequency applications.

Q: How does reverse recovery time affect circuit selection?

A: Reverse recovery time (trr) determines switching speed and is critical in high-frequency rectification and switching applications. The FR152G A0G (150 ns) and EGP20B series (50 ns) are classified as fast recovery diodes suitable for frequencies above 1 kHz. The GP15B-E3/54 (3.5 µs) is classified as standard recovery and is suitable for lower-frequency applications (typically below 1 kHz). Selection depends on circuit operating frequency requirements.

Q: Is inventory availability a factor in part selection?

A: Inventory levels are provided for reference: FR152G A0G (1,102 pcs), GP15B-E3/54 (9,002 pcs), EGP20B-E3/54 (3,300 pcs), and EGP20B-E3/73 (42,995 pcs). The EGP20B-E3/73 offers the highest availability. However, inventory levels are subject to change and should be confirmed with suppliers for production planning purposes.

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