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R1200F-AP Equivalent & Substitute Parts
Part Overview
The R1200F-AP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 1200 V DC reverse voltage and 500 mA average rectified current in a DO-41 through-hole package. This component is classified as obsolete, necessitating identification of active equivalent parts for ongoing design requirements and procurement needs. The substitute part RGP02-12E-E3/54 from Vishay General Semiconductor provides functional equivalence with identical electrical ratings and improved performance characteristics.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Voltage - DC Reverse (Vr) (Max) | 1200 | V |
| Current - Average Rectified (Io) | 500 | mA |
| Voltage - Forward (Vf) (Max) | 2.4 @ 500 mA / 1.8 @ 100 mA | V |
| Speed Classification | Fast Recovery ≤ 500ns, > 200mA | — |
| Reverse Recovery Time (trr) | 500 / 300 | ns |
| Current - Reverse Leakage @ Vr | 5 | µA @ 1200 V |
| Mounting Type | Through Hole | — |
| Package / Case | DO-204AL, DO-41, Axial | — |
| Operating Temperature - Junction | -55°C ~ 150°C / -65°C ~ 175°C | °C |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the R1200F-AP with RGP02-12E-E3/54 is based on strict equivalence of the following electrical and mechanical parameters:
Electrical Equivalence Criteria:
- Voltage - DC Reverse (Vr) (Max): 1200 V (identical)
- Current - Average Rectified (Io): 500 mA (identical)
- Current - Reverse Leakage @ Vr: 5 µA @ 1200 V (identical)
- Speed Classification: Fast Recovery ≤ 500ns, > 200mA (identical)
Mechanical Equivalence Criteria:
- Mounting Type: Through Hole (identical)
- Package / Case: DO-204AL, DO-41, Axial (identical)
Compliance Equivalence:
- RoHS Status: ROHS3 Compliant (both parts)
- Moisture Sensitivity Level (MSL): 1 (Unlimited) (both parts)
- ECCN: EAR99 (both parts)
- HTSUS: 8541.10.0070 (both parts)
The substitute part RGP02-12E-E3/54 demonstrates improved performance characteristics including lower forward voltage drop (1.8 V @ 100 mA versus 2.4 V @ 500 mA) and faster reverse recovery time (300 ns versus 500 ns), while maintaining full backward compatibility with the original part's electrical and mechanical specifications.
Parameter Comparison
| Parameter | R1200F-AP (Micro Commercial Co) | RGP02-12E-E3/54 (Vishay) | Match Status |
|---|---|---|---|
| Voltage - DC Reverse (Vr) (Max) | 1200 V | 1200 V | Identical |
| Current - Average Rectified (Io) | 500 mA | 500 mA | Identical |
| Voltage - Forward (Vf) (Max) | 2.4 V @ 500 mA | 1.8 V @ 100 mA | Improved (Vishay) |
| Speed | Fast Recovery ≤ 500ns, > 200mA | Fast Recovery ≤ 500ns, > 200mA | Identical |
| Reverse Recovery Time (trr) | 500 ns | 300 ns | Improved (Vishay) |
| Current - Reverse Leakage @ Vr | 5 µA @ 1200 V | 5 µA @ 1200 V | Identical |
| Mounting Type | Through Hole | Through Hole | Identical |
| Package / Case | DO-204AL, DO-41, Axial | DO-204AL, DO-41, Axial | Identical |
| Operating Temperature - Junction | -55°C ~ 150°C | -65°C ~ 175°C | Improved (Vishay) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Identical |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | Identical |
| Product Status | Obsolete | Active | Substitute is Active |
Engineering Selection Recommendations
The RGP02-12E-E3/54 from Vishay General Semiconductor is a direct functional substitute for the obsolete R1200F-AP. Selection of this substitute part is supported by the following factors:
Electrical Compatibility: All critical electrical parameters match the original specification: 1200 V reverse voltage rating, 500 mA average rectified current, and 5 µA reverse leakage current. Fast recovery speed classification and reverse recovery time specifications are met or exceeded.
Mechanical Compatibility: Both parts utilize identical through-hole mounting and DO-204AL/DO-41 axial package configurations, ensuring direct pin-for-pin compatibility in existing circuit board layouts.
Compliance Status: The substitute part maintains ROHS3 compliance, EAR99 export classification, and unlimited moisture sensitivity level (MSL 1), matching the original part's regulatory and environmental certifications.
Product Availability: The substitute part carries active product status with confirmed inventory availability, addressing the procurement limitation of the obsolete R1200F-AP.
Performance Enhancement: The substitute part provides measurable improvements in forward voltage drop and reverse recovery time, resulting in reduced power dissipation and improved switching characteristics in high-frequency applications.
Frequently Asked Questions (FAQ)
Q: Can RGP02-12E-E3/54 be used as a direct replacement for R1200F-AP in existing designs?
A: Yes. The RGP02-12E-E3/54 meets all electrical and mechanical specifications of the R1200F-AP. Both parts are rated for 1200 V reverse voltage, 500 mA average rectified current, and utilize identical DO-41 through-hole axial packages. Pin-for-pin compatibility is confirmed.
Q: What are the key differences between these two parts?
A: The primary differences are product status and performance characteristics. The R1200F-AP is obsolete, while RGP02-12E-E3/54 is active. The Vishay part offers improved forward voltage characteristics (1.8 V @ 100 mA versus 2.4 V @ 500 mA), faster reverse recovery time (300 ns versus 500 ns), and extended operating temperature range (-65°C to 175°C versus -55°C to 150°C).
Q: Are there any package compatibility concerns?
A: No. Both parts use the DO-204AL/DO-41 axial through-hole package. Physical dimensions and pin configurations are identical, allowing direct substitution without circuit board modifications.
Q: Do both parts meet the same regulatory and compliance standards?
A: Yes. Both the R1200F-AP and RGP02-12E-E3/54 are ROHS3 compliant, carry EAR99 export classification, and have unlimited moisture sensitivity level (MSL 1). HTSUS tariff classification is identical for both parts.
Q: What is the significance of the improved reverse recovery time in the substitute part?
A: The RGP02-12E-E3/54 features a reverse recovery time of 300 ns compared to 500 ns in the R1200F-AP. This improvement reduces switching losses and electromagnetic interference in high-frequency rectification applications, particularly in power supply and converter circuits.
Q: Can the substitute part handle the same current and voltage ratings?
A: Yes. The RGP02-12E-E3/54 is rated for identical maximum ratings: 1200 V DC reverse voltage and 500 mA average rectified current. Reverse leakage current specification is also identical at 5 µA @ 1200 V.
Q: Is the substitute part available in the same packaging format?
A: Yes. The RGP02-12E-E3/54 is supplied in Cut Tape (CT) packaging in the DO-204AL (DO-41) axial configuration, matching the through-hole mounting requirements of the original R1200F-AP.
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