FR102GP-AP Equivalent & Substitute Parts

Part Overview

The FR102GP-AP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 100 V DC reverse voltage and 1 A average rectified current in a through-hole DO-41 package. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. Identifying equivalent and substitute parts is necessary to support existing designs, maintain legacy systems, and ensure continuity of supply for applications currently utilizing this diode.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.3	V @ 1 A
Reverse Recovery Time (trr)	150	ns
Current - Reverse Leakage @ Vr	5	µA @ 100 V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Mounting Type	Through Hole	—
Package / Case	DO-204AL, DO-41, Axial	—
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the FR102GP-AP are qualified based on the following critical parameters:

Electrical Equivalence Criteria:

Voltage - DC Reverse (Vr) (Max): 100 V minimum
Current - Average Rectified (Io): 1 A minimum
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)
Operating Temperature Range: -55°C to 150°C minimum

Mechanical Compatibility Criteria:

Mounting Type: Through Hole
Package / Case: DO-204AL, DO-41, or Axial configuration

Compliance Criteria:

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts are grouped into two categories: Parametric Equivalents (matching all electrical specifications within tolerance) and Similar Parts (meeting all functional requirements with minor parameter variations that do not affect circuit performance).

Parameter Comparison

Parameter	FR102GP-AP (Main)	1N4934GP-AP	UG1B-E3/54	FR102A-G	FR102G A0G
Manufacturer	Micro Commercial Co	Micro Commercial Co	Vishay General Semiconductor - Diodes Division	Comchip Technology	Taiwan Semiconductor Corporation
Product Status	Not For New Designs	Active	Active	Active	Active
Voltage - DC Reverse (Vr) (Max)	100 V	100 V	100 V	100 V	100 V
Current - Average Rectified (Io)	1 A	1 A	1 A	1 A	1 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 1 A	1.2 V @ 1 A	950 mV @ 1 A	1.3 V @ 1 A	1.3 V @ 1 A
Reverse Recovery Time (trr)	150 ns	200 ns	25 ns	150 ns	150 ns
Current - Reverse Leakage @ Vr	5 µA @ 100 V	5 µA @ 100 V	5 µA @ 100 V	5 µA @ 100 V	5 µA @ 100 V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	DO-204AL, DO-41, Axial	DO-204AL, DO-41, Axial	DO-204AL, DO-41, Axial	DO-204AL, DO-41, Axial	DO-204AL, DO-41, Axial
Operating Temperature - Junction	-55 to 150°C	-55 to 150°C	-55 to 150°C	-55 to 150°C	-55 to 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

1N4934GP-AP (Micro Commercial Co)

The 1N4934GP-AP is a parametric equivalent manufactured by Micro Commercial Co with Active product status. This part maintains identical voltage and current ratings, operates across the same temperature range, and carries ROHS3 compliance. The forward voltage is marginally lower at 1.2 V compared to 1.3 V, and reverse recovery time is 200 ns versus 150 ns. Both parameters remain within acceptable operating margins for general-purpose rectification applications. This part is recommended as the primary substitute for direct replacement in existing designs.

UG1B-E3/54 (Vishay General Semiconductor - Diodes Division)

The UG1B-E3/54 is a similar part manufactured by Vishay with Active product status. It meets all electrical and mechanical requirements with identical voltage, current, and temperature specifications. The forward voltage is superior at 950 mV, and reverse recovery time is significantly faster at 25 ns. This part is supplied in Cut Tape packaging and demonstrates higher inventory availability (4500 pcs). Selection of this part is appropriate when improved switching performance or lower forward voltage drop is beneficial to circuit operation.

FR102A-G (Comchip Technology)

The FR102A-G is a parametric equivalent manufactured by Comchip Technology with Active product status. Electrical specifications are identical to the main part, including forward voltage of 1.3 V and reverse recovery time of 150 ns. This part is supplied in Tape & Box packaging and carries full ROHS3 compliance. It is suitable for direct substitution in applications requiring identical electrical characteristics.

FR102G A0G (Taiwan Semiconductor Corporation)

The FR102G A0G is a parametric equivalent manufactured by Taiwan Semiconductor Corporation with Active product status. All critical electrical parameters match the main part specification. This part is supplied in DO-204AL (DO-41) package configuration and maintains full compliance with ROHS3 and REACH standards. It is suitable for direct substitution in existing designs.

Frequently Asked Questions (FAQ)

Q: Can the 1N4934GP-AP replace the FR102GP-AP in all applications?

A: The 1N4934GP-AP meets all critical electrical and mechanical requirements for substitution. The forward voltage is 1.2 V versus 1.3 V, and reverse recovery time is 200 ns versus 150 ns. These differences are within acceptable operating margins for general-purpose rectification circuits. Direct substitution is supported.

Q: What is the primary advantage of the UG1B-E3/54 over other substitutes?

A: The UG1B-E3/54 offers superior switching performance with a reverse recovery time of 25 ns compared to 150 ns in the main part, and lower forward voltage at 950 mV. These characteristics reduce switching losses and heat dissipation in high-frequency applications. Higher inventory availability (4500 pcs) also supports supply continuity.

Q: Are all substitute parts available in the same DO-41 package?

A: All substitute parts are available in DO-204AL, DO-41, or Axial package configurations. The FR102GP-AP, 1N4934GP-AP, FR102A-G, and FR102G A0G are supplied in DO-41 packages. The UG1B-E3/54 is supplied in DO-204AL (DO-41) configuration. All packages are mechanically and electrically compatible for through-hole mounting.

Q: Why is the FR102GP-AP marked "Not For New Designs"?

A: The FR102GP-AP has reached end-of-life status and is no longer recommended for new product development. However, it remains suitable for maintenance, repair, and support of existing systems. All substitute parts listed carry Active product status and are appropriate for both legacy system support and new designs.

Q: Do all substitute parts meet RoHS3 compliance?

A: All substitute parts listed are ROHS3 Compliant and carry Moisture Sensitivity Level 1 (Unlimited). They are suitable for applications requiring environmental compliance and are compatible with lead-free manufacturing processes.

Q: What is the difference between "Parametric Equivalent" and "Similar" classifications?

A: Parametric Equivalents match all electrical specifications of the main part within standard tolerances. Similar parts meet all functional requirements and electrical performance criteria but may have minor parameter variations (such as faster reverse recovery time or lower forward voltage) that do not affect circuit compatibility. Both classifications support direct substitution.

Q: Can the FR102A-G and FR102G A0G be used interchangeably with the FR102GP-AP?

A: Both the FR102A-G and FR102G A0G are parametric equivalents with identical electrical specifications to the FR102GP-AP. They are supplied in compatible DO-41 packages and carry full compliance certifications. Direct interchangeability is supported for all applications.

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