FR202-AP General Purpose Rectifier Diode Equivalent & Substitute Parts

Part Overview

The FR202-AP is a general purpose rectifier diode manufactured by Micro Commercial Co, rated for 100 V DC reverse voltage and 2 A average rectified current in a DO-15 through-hole package. This component is classified as obsolete, necessitating identification of active equivalent alternatives for ongoing production and maintenance applications. Substitute parts must maintain electrical performance across voltage, current, and thermal specifications while accommodating available packaging configurations.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	1.3 @ 2 A	V
Reverse Recovery Time (trr)	150	ns
Current - Reverse Leakage @ Vr	5 @ 100 V	µA
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Mounting Type	Through Hole	—
Package / Case	DO-204AC, DO-15, Axial	—
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the FR202-AP are classified into two categories based on manufacturer and product status:

Direct Manufacturer Substitute (Same Manufacturer - Micro Commercial Co): The FR202GP-AP represents the active production equivalent from the original manufacturer. This part maintains identical electrical specifications and is the primary substitute when manufacturer continuity is required.

Parametric Equivalents (Alternative Manufacturers): The FR202G, FR202G A0G (Taiwan Semiconductor Corporation), and FR202GB-G (Comchip Technology) are parametric equivalents that satisfy all critical electrical parameters: 100 V reverse voltage rating, 2 A average rectified current, 1.3 V forward voltage drop at 2 A, 150 ns reverse recovery time, and 5 µA reverse leakage current at 100 V. All substitute parts maintain identical operating temperature range (-55°C to 150°C), RoHS3 compliance, and MSL 1 classification.

Substitution eligibility is determined by:

Voltage - DC Reverse (Vr) (Max): 100 V minimum
Current - Average Rectified (Io): 2 A minimum
Voltage - Forward (Vf) (Max) @ If: 1.3 V or lower at 2 A
Reverse Recovery Time (trr): 150 ns or faster
Current - Reverse Leakage @ Vr: 5 µA or lower at 100 V
Mounting Type: Through Hole
Operating Temperature - Junction: -55°C to 150°C minimum range
RoHS3 Compliance: Required

Parameter Comparison

Part Number	Manufacturer	Product Status	Vr (Max) [V]	Io [A]	Vf (Max) @ 2A [V]	trr [ns]	Ir @ Vr [µA]	Package	Temp Range [°C]	RoHS3
FR202-AP	Micro Commercial Co	Obsolete	100	2	1.3	150	5 @ 100V	DO-15	-55 to 150	Yes
FR202GP-AP	Micro Commercial Co	Active	100	2	1.3	150	5 @ 100V	DO-15	-55 to 150	Yes
FR202G	Taiwan Semiconductor Corporation	Active	100	2	1.3	150	5 @ 100V	DO-204AC (DO-15)	-55 to 150	Yes
FR202G A0G	Taiwan Semiconductor Corporation	Active	100	2	1.3	150	5 @ 100V	DO-204AC (DO-15)	-55 to 150	Yes
FR202GB-G	Comchip Technology	Active	100	2	1.3	150	5 @ 100V	DO-15	-55 to 150	Yes

Engineering Selection Recommendations

Primary Selection - FR202GP-AP: The FR202GP-AP is the recommended substitute for direct replacement of the obsolete FR202-AP. This part is manufactured by Micro Commercial Co, the original equipment manufacturer, and maintains identical electrical and thermal specifications. Active product status ensures long-term availability and supply chain continuity. All compliance certifications (RoHS3, MSL 1) are equivalent.

Alternative Selection - FR202GB-G: The FR202GB-G from Comchip Technology provides an active alternative with identical electrical performance and DO-15 package configuration. This part is suitable for applications where manufacturer diversification is acceptable. Packaging is specified as Tape & Box (TB), which may require evaluation against original procurement specifications.

Alternative Selection - FR202G or FR202G A0G: The FR202G and FR202G A0G from Taiwan Semiconductor Corporation are parametric equivalents with active product status. These parts are supplied in DO-204AC (DO-15) package designation. The FR202G A0G variant includes cross-reference compatibility with additional part numbers (GP15B-E3/54, EGP20B-E3/73, RGP15B-E3/54, EGP20B-E3/54), indicating broader ecosystem compatibility. Selection between FR202G and FR202G A0G depends on procurement and inventory management requirements, as both maintain identical electrical specifications.

All substitute parts satisfy RoHS3 compliance and MSL 1 classification requirements. Selection should account for packaging format preferences, supplier availability, and supply chain strategy.

Frequently Asked Questions (FAQ)

Q: Can FR202GP-AP directly replace FR202-AP in existing designs? A: Yes. The FR202GP-AP is electrically and mechanically identical to the FR202-AP. Both parts feature 100 V reverse voltage rating, 2 A average rectified current, 1.3 V forward voltage drop at 2 A, and DO-15 through-hole package configuration. The primary difference is product status: FR202GP-AP is active while FR202-AP is obsolete.

Q: What is the difference between FR202G and FR202G A0G? A: Both parts are manufactured by Taiwan Semiconductor Corporation and maintain identical electrical specifications (100 V, 2 A, 1.3 V Vf, 150 ns trr). The FR202G A0G includes documented cross-references to additional equivalent part numbers. Selection between these variants should be based on procurement availability and inventory management practices.

Q: Are there package differences between substitute options? A: The FR202-AP, FR202GP-AP, and FR202GB-G are specified in DO-15 package. The FR202G and FR202G A0G are designated as DO-204AC (DO-15), which represents the same physical package with alternative nomenclature. All parts are through-hole axial components and are mechanically compatible.

Q: Do all substitute parts meet RoHS3 compliance? A: Yes. All substitute parts listed (FR202GP-AP, FR202G, FR202G A0G, FR202GB-G) are RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity classification, matching the original FR202-AP specifications.

Q: What is the reverse recovery time specification, and why is it important? A: Reverse recovery time (trr) is specified at 150 ns for all parts in this comparison. This parameter defines the time required for the diode to transition from forward conduction to reverse blocking state. The identical 150 ns specification across all parts ensures equivalent switching performance in fast recovery applications.

Q: Can FR202GB-G be used if the original design specified Micro Commercial Co as the manufacturer? A: FR202GB-G from Comchip Technology is a parametric equivalent with identical electrical performance. Substitution is technically valid based on electrical specifications. However, design documentation and procurement policies should be reviewed to determine if manufacturer-specific requirements exist for the application.

Q: What does "Fast Recovery ≤ 500ns, > 200mA (Io)" mean? A: This classification indicates the diode exhibits fast recovery characteristics with reverse recovery time not exceeding 500 ns when reverse current exceeds 200 mA. The actual reverse recovery time for these parts is specified at 150 ns, which satisfies this fast recovery classification.

Q: Are there any thermal considerations when selecting a substitute? A: All substitute parts maintain the identical operating temperature range of -55°C to 150°C junction temperature. Thermal performance is equivalent across all options. Selection should be based on circuit design thermal requirements rather than differences between substitute parts.

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