SF14-TP Equivalent & Substitute Parts

Part Overview

The SF14-TP is a general-purpose rectifier diode rated for 200 V DC reverse voltage and 1 A average rectified current in a through-hole DO-41 axial package. This component is classified as obsolete, which necessitates identification of active equivalent parts for ongoing design support and procurement continuity. The SF14-TP remains available in inventory (1074 pieces) but active alternatives ensure long-term supply chain reliability and design flexibility.

Substiute Parts

SF14-TP

Micro Commercial CoIn Stock: 1180SF14-TP Datasheet

Current PartRFQ

SF14G-TP

Micro Commercial CoIn Stock: 988SF14G-TP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SF14-TP is determined by equivalence across the following critical parameters:

• Voltage Rating: DC reverse voltage must equal or exceed 200 V
• Current Rating: Average rectified current must equal or exceed 1 A
• Forward Voltage Drop: Maximum forward voltage at rated current must not exceed 950 mV @ 1 A
• Reverse Recovery Time: Fast recovery characteristic (≤ 500 ns for currents > 200 mA)
• Reverse Leakage Current: Maximum reverse leakage at rated voltage must not exceed 5 µA @ 200 V
• Package Compatibility: Through-hole DO-41 axial package required for mechanical and electrical interface compatibility
• Temperature Range: Operating junction temperature range must support application requirements
• Compliance: RoHS3 compliance required for regulatory alignment

The SF14G-TP is identified as a direct substitute based on matching all critical electrical parameters and package specifications while offering active product status.

Parameter Comparison

Engineering Selection Recommendations

The SF14G-TP is a direct electrical and mechanical equivalent to the SF14-TP with the following considerations:

Product Status: The SF14G-TP carries active product status from Micro Commercial Co, ensuring ongoing availability and manufacturing support. The SF14-TP is classified as obsolete, making the SF14G-TP the preferred selection for new designs and long-term procurement planning.

Electrical Equivalence: All critical electrical parameters are identical between the two parts. The SF14G-TP maintains the same voltage rating (200 V), current rating (1 A), forward voltage drop (950 mV @ 1 A), reverse recovery time (35 ns), and reverse leakage current (5 µA @ 200 V). These specifications ensure functional interchangeability in circuit applications.

Temperature Performance: The SF14G-TP offers an extended maximum junction temperature rating of 150°C compared to the SF14-TP's 125°C. This provides additional thermal margin in applications operating at elevated temperatures.

Compliance: Both parts maintain ROHS3 compliance, satisfying regulatory requirements for hazardous substance restrictions.

Packaging Consideration: The SF14G-TP is supplied in Tape & Reel (TR) format, whereas the SF14-TP is supplied in bulk packaging. This difference affects procurement and assembly processes but does not impact electrical or mechanical compatibility when individual components are used.

Frequently Asked Questions (FAQ)

Q: Can the SF14G-TP be used as a direct replacement for the SF14-TP in existing designs?

A: Yes. The SF14G-TP is electrically and mechanically equivalent to the SF14-TP. All critical parameters including voltage rating, current rating, forward voltage drop, reverse recovery time, and reverse leakage current are identical. The through-hole DO-41 axial package is the same, ensuring compatibility with existing PCB layouts and assembly processes.

Q: What is the primary reason to transition from SF14-TP to SF14G-TP?

A: The SF14-TP is classified as obsolete, while the SF14G-TP maintains active product status. Transitioning to the SF14G-TP ensures long-term supply chain continuity, ongoing manufacturing support, and access to current inventory levels.

Q: Are there differences in electrical performance between these parts?

A: No. Both parts are rated for 200 V DC reverse voltage, 1 A average rectified current, 950 mV forward voltage drop at 1 A, 35 ns reverse recovery time, and 5 µA reverse leakage current at 200 V. Electrical performance is identical.

Q: Does the extended temperature range of the SF14G-TP affect compatibility?

A: No. The SF14G-TP's extended maximum junction temperature rating of 150°C (versus 125°C for the SF14-TP) provides additional thermal capability without affecting compatibility. Applications operating within the SF14-TP's original temperature range will function identically with the SF14G-TP.

Q: What is the difference between bulk and Tape & Reel packaging?

A: Bulk packaging supplies individual components in loose form, suitable for manual assembly or small-volume applications. Tape & Reel (TR) packaging supplies components on continuous tape for automated pick-and-place assembly. Both formats contain the same component; the difference is in procurement and assembly methodology.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the SF14-TP and SF14G-TP are ROHS3 compliant, meeting regulatory requirements for hazardous substance restrictions in electronic components.

Q: Can the SF14G-TP be substituted in high-temperature applications?

A: The SF14G-TP supports applications up to 150°C junction temperature, compared to the SF14-TP's 125°C limit. For applications requiring operation above 125°C, the SF14G-TP provides additional thermal margin. For applications operating below 125°C, both parts are equivalent.