FR305-TP Equivalent & Substitute Parts

Part Overview

The FR305-TP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 600 V DC reverse voltage and 3 A average rectified current in a DO-201AD axial through-hole package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The FR305-TP operates across a junction temperature range of -55°C to 150°C and complies with RoHS3 standards.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 3 A	V
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	250	ns
Current - Reverse Leakage @ Vr	10	µA @ 600 V
Mounting Type	Through Hole	—
Package / Case	DO-201AD, Axial	—
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the FR305-TP is determined by strict equivalence across the following electrical and mechanical parameters:

Critical Matching Parameters:

Voltage - DC Reverse (Vr) (Max): 600 V
Current - Average Rectified (Io): 3 A
Package / Case: DO-201AD, Axial
Mounting Type: Through Hole
Technology: Standard

Acceptable Variation Parameters:

Voltage - Forward (Vf) (Max) @ If: Within design tolerance
Reverse Recovery Time (trr): Faster recovery acceptable
Current - Reverse Leakage @ Vr: Lower leakage acceptable
Operating Temperature - Junction: Equal or extended range acceptable
Capacitance @ Vr, F: Variation acceptable within application requirements

Substitute parts are grouped into three categories based on their relationship to the FR305-TP: direct manufacturer equivalents, similar cross-manufacturer parts, and parametric equivalents. All listed substitutes maintain the core electrical ratings and physical package specifications required for direct replacement.

Parameter Comparison

Parameter	FR305-TP	FR305GP-TP	SF38G A0G	FR305G
Manufacturer	Micro Commercial Co	Micro Commercial Co	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation
Product Status	Obsolete	Active	Active	Active
Voltage - DC Reverse (Vr) (Max)	600 V	600 V	600 V	600 V
Current - Average Rectified (Io)	3 A	3 A	3 A	3 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 3 A	1.3 V @ 3 A	1.7 V @ 3 A	1.3 V @ 3 A
Reverse Recovery Time (trr)	250 ns	250 ns	35 ns	250 ns
Current - Reverse Leakage @ Vr	10 µA @ 600 V	5 µA @ 600 V	5 µA @ 600 V	5 µA @ 600 V
Capacitance @ Vr, F	65 pF @ 4V, 1MHz	50 pF @ 5V, 1MHz	60 pF @ 4V, 1MHz	30 pF @ 4V, 1MHz
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	DO-201AD, Axial	DO-201AD, Axial	DO-201AD, Axial	DO-201AD, Axial
Operating Temperature - Junction	-55 to 150°C	-55 to 155°C	-55 to 150°C	-55 to 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging Type	—	Cut Tape (CT)	Cut Tape (CT)	Cut Tape (CT)
Inventory Status	724 Pcs New Original In Stock	2861 Pcs New Original In Stock	802 Pcs New Original In Stock	3370 Pcs New Original In Stock

Engineering Selection Recommendations

FR305GP-TP (Micro Commercial Co)

The FR305GP-TP is the direct manufacturer equivalent from Micro Commercial Co. This part maintains identical electrical specifications to the FR305-TP, including forward voltage, reverse recovery time, and package configuration. The FR305GP-TP carries active product status with extended operating temperature range (-55°C to 155°C) and improved reverse leakage characteristics (5 µA versus 10 µA). This part is supplied in Cut Tape packaging and carries RoHS3 compliance with MSL 1 rating. Inventory availability is 2861 pieces.

FR305G (Taiwan Semiconductor Corporation)

The FR305G is a parametric equivalent from Taiwan Semiconductor Corporation with identical electrical ratings to the FR305-TP. This part features the same forward voltage (1.3 V @ 3 A), reverse recovery time (250 ns), and operating temperature range (-55°C to 150°C). The FR305G demonstrates lower reverse leakage (5 µA) and reduced capacitance (30 pF @ 4V, 1MHz). This part carries active product status, RoHS3 compliance, and REACH unaffected designation. Inventory availability is 3370 pieces, the highest among all substitutes.

SF38G A0G (Taiwan Semiconductor Corporation)

The SF38G A0G is a similar cross-manufacturer part from Taiwan Semiconductor Corporation. This part maintains the required 600 V reverse voltage and 3 A current ratings with DO-201AD axial package configuration. The SF38G A0G exhibits faster reverse recovery time (35 ns versus 250 ns) and lower reverse leakage (5 µA). Forward voltage is elevated at 1.7 V @ 3 A. This part carries active product status, RoHS3 compliance, and REACH unaffected designation. Inventory availability is 802 pieces.

All substitute parts comply with RoHS3 standards and maintain through-hole DO-201AD axial package compatibility. Selection should be based on application-specific requirements for forward voltage drop, reverse recovery characteristics, and thermal performance within the specified operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can FR305GP-TP directly replace FR305-TP in existing designs?

A: Yes. The FR305GP-TP maintains identical electrical specifications and package configuration. Both parts are rated for 600 V reverse voltage, 3 A average rectified current, and use the DO-201AD axial through-hole package. The FR305GP-TP offers improved reverse leakage performance (5 µA versus 10 µA) and extended operating temperature range (-55°C to 155°C).

Q: What is the difference between FR305G and SF38G A0G?

A: Both parts meet the core electrical requirements of 600 V and 3 A. The FR305G maintains identical forward voltage (1.3 V @ 3 A) and reverse recovery time (250 ns) to the FR305-TP. The SF38G A0G features significantly faster reverse recovery (35 ns) but exhibits higher forward voltage (1.7 V @ 3 A). Selection depends on whether faster switching or lower forward voltage drop is prioritized in the application.

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts use the DO-201AD axial through-hole package, ensuring mechanical compatibility. However, packaging type differs: FR305-TP is supplied in standard format, while FR305GP-TP, SF38G A0G, and FR305G are supplied in Cut Tape (CT) format. This affects handling and assembly processes but does not impact electrical performance or physical fit.

Q: Do all substitute parts comply with RoHS3?

A: Yes. All listed substitute parts—FR305GP-TP, SF38G A0G, and FR305G—carry RoHS3 compliance certification. The FR305-TP also complies with RoHS3 standards.

Q: Which substitute part has the best reverse leakage performance?

A: FR305GP-TP, SF38G A0G, and FR305G all exhibit 5 µA reverse leakage at 600 V, compared to 10 µA for the FR305-TP. All three substitutes provide improved leakage characteristics.

Q: What is the operating temperature range for each part?

A: FR305-TP, SF38G A0G, and FR305G operate across -55°C to 150°C. FR305GP-TP extends this range to -55°C to 155°C, providing 5°C additional high-temperature margin.

Q: Which substitute part has the highest inventory availability?

A: FR305G has the highest inventory with 3370 pieces in stock, followed by FR305GP-TP with 2861 pieces and SF38G A0G with 802 pieces.

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