SF36-AP Equivalent & Substitute Parts

Part Overview

The SF36-AP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 400 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 identification of active equivalent components necessary for ongoing design support and procurement continuity. The SF36-AP operates across a junction temperature range of -55°C to 125°C and complies with RoHS3 standards.

Substiute Parts

SF36-AP

Micro Commercial CoIn Stock: 1135SF36-AP Datasheet

Current PartRFQ

SF36G-AP

Micro Commercial CoIn Stock: 946SF36G-AP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SF36-AP is determined by equivalence across the following critical parameters:

• Reverse Voltage Rating: 400 V DC maximum
• Forward Current Rating: 3 A average rectified current
• Package Type: DO-201AD axial through-hole configuration
• Reverse Recovery Time: 35 ns (fast recovery classification)
• Reverse Leakage Current: 5 µA @ 400 V
• Compliance: RoHS3 compliant

The SF36G-AP meets all these criteria and is listed as a direct substitute. Both parts share identical base product designation (SF36) and electrical ratings within the specified tolerances. The SF36G-AP is currently in active production status, whereas the SF36-AP is obsolete.

Parameter Comparison

Engineering Selection Recommendations

The SF36G-AP is the direct equivalent for the obsolete SF36-AP. Both parts are manufactured by Micro Commercial Co and share identical electrical specifications and package configuration. The SF36G-AP offers the following advantages:

• Active Product Status: SF36G-AP is in active production, ensuring long-term availability and supply chain continuity.
• Extended Temperature Range: Operating junction temperature range of -65°C to 150°C exceeds the SF36-AP specification, providing broader operational flexibility.
• Improved Forward Voltage: Forward voltage of 1.27 V @ 3 A is marginally lower than the SF36-AP specification of 1.3 V @ 3 A, resulting in reduced power dissipation.
• Compliance Alignment: Both parts maintain RoHS3 compliance and identical moisture sensitivity classification.

For applications currently using the SF36-AP, direct substitution with SF36G-AP is supported without circuit redesign. The SF36G-AP is available in Tape & Box packaging, suitable for both manual and automated assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the SF36G-AP be used as a direct replacement for the SF36-AP in existing designs?

A: Yes. The SF36G-AP is electrically and mechanically equivalent to the SF36-AP. Both parts share identical reverse voltage rating (400 V), forward current rating (3 A), reverse recovery time (35 ns), and DO-201AD axial through-hole package configuration. No circuit modifications are required.

Q: What is the primary reason for substituting the SF36-AP?

A: The SF36-AP is classified as obsolete. The SF36G-AP is the active equivalent part from the same manufacturer, ensuring continued availability and supply chain support.

Q: Are there differences in forward voltage between the SF36-AP and SF36G-AP?

A: The SF36G-AP specifies a maximum forward voltage of 1.27 V @ 3 A, compared to 1.3 V @ 3 A for the SF36-AP. This 0.03 V difference results in marginally lower power dissipation in the SF36G-AP and is within acceptable substitution tolerance for general-purpose rectifier applications.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the SF36-AP and SF36G-AP are RoHS3 compliant and carry Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture handling requirements during storage or assembly.

Q: What is the operating temperature difference between these parts?

A: The SF36-AP operates from -55°C to 125°C junction temperature, while the SF36G-AP operates from -65°C to 150°C. The SF36G-AP provides a wider temperature operating window, supporting applications requiring extended thermal range.

Q: Are the packaging options different between the two parts?

A: The SF36-AP packaging information is not specified in the available data. The SF36G-AP is supplied in Tape & Box (TB) packaging, which is standard for through-hole axial components and compatible with both manual and automated assembly processes.

Q: Can the SF36G-AP be used in high-temperature applications?

A: The SF36G-AP supports junction temperatures up to 150°C, making it suitable for applications requiring elevated thermal operation. The SF36-AP is limited to 125°C maximum junction temperature.