1F3-AP General Purpose Rectifier Diode Equivalent & Substitute Parts

Part Overview

The 1F3-AP is a general purpose rectifier diode manufactured by Micro Commercial Co, rated for 200 V DC reverse voltage and 1 A average rectified current in an R-1 axial through-hole package. This component is classified as obsolete, necessitating identification of active equivalent parts for continued system support and new design implementations. The 1F3-AP operates across a junction temperature range of -55°C to 150°C and features fast recovery characteristics with a reverse recovery time of 150 ns, making it suitable for standard rectification applications requiring moderate voltage and current ratings.

Substiute Parts

1F3-AP

Micro Commercial CoIn Stock: 9181F3-AP Datasheet

Current PartRFQ

1F3G-AP

Micro Commercial CoIn Stock: 8191F3G-AP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete 1F3-AP is determined by electrical and mechanical parameter equivalence across the following critical specifications:

Electrical Parameters:

• Voltage - DC Reverse (Vr) (Max): 200 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 @ 200 V
• Capacitance @ Vr, F: 12 pF @ 4V, 1MHz
• Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)

Mechanical Parameters:

• Mounting Type: Through Hole
• Package / Case: R-1, Axial

Compliance Parameters:

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

Parts meeting all specified electrical, mechanical, and compliance parameters are classified as direct substitutes. The primary distinction between the main part and substitute parts is product status and availability.

Parameter Comparison

Engineering Selection Recommendations

The 1F3G-AP is a direct electrical and mechanical equivalent to the obsolete 1F3-AP. Both components share identical electrical specifications, including reverse voltage rating, forward current capacity, forward voltage drop, and reverse recovery characteristics. The mechanical interface is identical, with both parts utilizing the R-1 axial through-hole package format.

The primary distinction is product status: the 1F3-AP is classified as obsolete, while the 1F3G-AP maintains active status with current manufacturing and distribution support. Both parts maintain ROHS3 compliance and MSL Level 1 classification, ensuring compatibility with modern manufacturing and environmental standards.

For applications currently utilizing the 1F3-AP, direct substitution with the 1F3G-AP is supported without circuit modification or performance degradation. The 1F3G-AP is the recommended replacement for new designs and ongoing system support where the 1F3-AP is no longer available.

Frequently Asked Questions (FAQ)

Q: Can the 1F3G-AP be used as a direct replacement for the 1F3-AP in existing circuits?

A: Yes. The 1F3G-AP is electrically and mechanically identical to the 1F3-AP across all specified parameters. No circuit modifications are required for substitution.

Q: What is the primary reason for substituting the 1F3-AP?

A: The 1F3-AP is classified as obsolete. The 1F3G-AP is the active equivalent part with current manufacturing support and availability.

Q: Are the package dimensions and pin configurations identical?

A: Yes. Both parts utilize the R-1 axial through-hole package format with identical mechanical specifications and mounting requirements.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the 1F3-AP and 1F3G-AP are ROHS3 compliant with MSL Level 1 classification.

Q: Are there any electrical performance differences between the two parts?

A: No. The 1F3G-AP and 1F3-AP share identical electrical specifications for voltage rating, current capacity, forward voltage drop, reverse recovery time, reverse leakage current, and capacitance characteristics.

Q: What is the operating temperature range for both parts?

A: Both parts operate across a junction temperature range of -55°C to 150°C.

Q: Can the 1F3G-AP be used in high-frequency switching applications?

A: Both parts are classified as fast recovery diodes with a reverse recovery time of 150 ns, suitable for applications requiring fast switching characteristics within the specified voltage and current ratings.