1F1-AP General Purpose Rectifier Diode Equivalent & Substitute Parts

Part Overview

The 1F1-AP is a general purpose rectifier diode manufactured by Micro Commercial Co, rated for 50 V DC reverse voltage and 1 A average rectified current in an R-1 axial through-hole package. This component is classified as obsolete, making identification of active equivalent parts essential for ongoing design support and procurement continuity. The 1F1-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, suitable for standard rectification applications requiring moderate voltage and current ratings.

Substiute Parts

1F1-AP

Micro Commercial CoIn Stock: 7601F1-AP Datasheet

Current PartRFQ

1F1G-AP

Micro Commercial CoIn Stock: 10161F1G-AP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 1F1-AP is determined by strict equivalence across all electrical and mechanical parameters. The primary substitution criterion is the 1F1G-AP, which maintains identical electrical specifications including reverse voltage rating, average rectified current, forward voltage drop, reverse recovery time, reverse leakage current, and junction capacitance. Both components utilize the R-1 axial through-hole package, ensuring mechanical and thermal compatibility in existing circuit board layouts and assembly processes.

The substitution relationship is based on the following key parameters:

• Voltage - DC Reverse (Vr) (Max): 50 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 @ 50 V
• Capacitance @ Vr, F: 12 pF @ 4V, 1MHz
• Package / Case: R-1, Axial
• Mounting Type: Through Hole
• Operating Temperature - Junction: -55°C to 150°C
• Technology: Standard

Parameter Comparison

Engineering Selection Recommendations

The 1F1G-AP is the direct equivalent substitute for the obsolete 1F1-AP. Both components are manufactured by Micro Commercial Co and maintain identical electrical and mechanical specifications across all rated parameters. The 1F1G-AP differs only in product status, being classified as active rather than obsolete, which ensures ongoing availability and manufacturing support.

Both the 1F1-AP and 1F1G-AP comply with ROHS3 standards and carry identical export classification (EAR99) and tariff codes (HTSUS 8541.10.0080). The moisture sensitivity level of 1 (Unlimited) applies to both components, indicating no special moisture handling requirements during storage or assembly.

For applications currently utilizing the 1F1-AP, direct substitution with the 1F1G-AP is supported without circuit modification or performance degradation. The active product status of the 1F1G-AP provides superior long-term procurement reliability and supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can the 1F1G-AP be used as a direct replacement for the 1F1-AP in existing designs?

A: Yes. The 1F1G-AP is electrically and mechanically identical to the 1F1-AP across all specified parameters, including voltage rating, current rating, forward voltage drop, reverse recovery time, and package configuration. No circuit modifications are required.

Q: What is the primary difference between the 1F1-AP and 1F1G-AP?

A: The 1F1-AP is classified as obsolete, while the 1F1G-AP is an active product. All electrical and mechanical specifications are identical. The 1F1G-AP is recommended for new designs and ongoing production due to its active status and assured availability.

Q: Are both parts compatible with the same PCB footprint?

A: Yes. Both the 1F1-AP and 1F1G-AP use the R-1 axial through-hole package, ensuring identical mechanical compatibility with existing circuit board layouts and assembly processes.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the 1F1-AP and 1F1G-AP are ROHS3 compliant, carry the same export classification (EAR99), and share identical tariff codes (HTSUS 8541.10.0080). Both have a moisture sensitivity level of 1 (Unlimited).

Q: What is the reverse recovery time specification, and why is it important?

A: Both parts have a reverse recovery time (trr) of 150 ns, classifying them as fast recovery diodes. This parameter defines the time required for the diode to transition from forward conduction to reverse blocking when the applied voltage reverses, affecting switching speed and efficiency in rectification circuits.

Q: Are there any temperature-related differences between the two parts?

A: No. Both the 1F1-AP and 1F1G-AP operate across an identical junction temperature range of -55°C to 150°C, ensuring equivalent thermal performance in all operating environments.

Q: What is the reverse leakage current specification?

A: Both parts exhibit a reverse leakage current of 5 µA at the maximum reverse voltage of 50 V. This low leakage current is typical for standard rectifier diodes and indicates minimal current flow when the diode is reverse biased.