FEP16FTA Equivalent & Substitute Parts

Part Overview

The FEP16FTA is a diode array manufactured by onsemi, configured as a 1 Pair Common Anode rectifier with a maximum reverse voltage rating of 300 V and average rectified current of 16 A per diode. The device is packaged in a TO-220-3 through-hole configuration and features fast recovery characteristics with a reverse recovery time of 50 ns.

This part is classified as obsolete. Identifying equivalent and substitute components is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this rectifier array.

Substiute Parts

FEP16FTA

onsemiIn Stock: 2455FEP16FTA Datasheet

Current PartRFQ

MUR1620CTG

onsemiIn Stock: 91230MUR1620CTG Datasheet

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SF1005GHC0G

Taiwan Semiconductor CorporationIn Stock: 1187SF1005GHC0G Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the FEP16FTA requires evaluation against the following critical electrical and mechanical parameters:

Voltage Rating: The FEP16FTA operates at a maximum reverse voltage of 300 V. Substitute parts must maintain this voltage specification or exceed it to ensure circuit protection and reliability.

Current Rating: The FEP16FTA is rated for 16 A average rectified current per diode. Substitute parts must support this current level or higher to prevent thermal stress and premature failure.

Diode Configuration: The FEP16FTA uses a Common Anode configuration. Substitute parts with different configurations (such as Common Cathode) require circuit redesign and are not direct pin-compatible replacements.

Package Type: The FEP16FTA uses a TO-220-3 through-hole package. Substitute parts must use the same package type to ensure mechanical compatibility with existing PCB layouts and thermal management solutions.

Recovery Characteristics: The FEP16FTA features fast recovery with a reverse recovery time of 50 ns. Substitute parts should maintain comparable or faster recovery times to preserve circuit performance.

Temperature Range: The FEP16FTA operates from -55°C to 150°C. Substitute parts must support this temperature range or a wider range to ensure operation across all specified conditions.

Parameter Comparison

Engineering Selection Recommendations

MUR1620CTG Evaluation: The MUR1620CTG is an active product manufactured by onsemi with ROHS3 compliance. However, this part exhibits significant deviations from the FEP16FTA specification. The MUR1620CTG features a Common Cathode configuration, which is not pin-compatible with the Common Anode FEP16FTA. Additionally, the MUR1620CTG has a maximum reverse voltage of 200 V, which is 100 V lower than the FEP16FTA requirement, and a current rating of 8 A per diode, which is 50% of the FEP16FTA rating. These electrical differences preclude direct substitution without circuit redesign.

SF1005GHC0G Evaluation: The SF1005GHC0G is an active product manufactured by Taiwan Semiconductor Corporation with ROHS3 compliance and AEC-Q101 automotive qualification. This part maintains the 300 V reverse voltage rating and TO-220-3 package compatibility with the FEP16FTA. However, the SF1005GHC0G is a single diode configuration, not a diode array, and provides only 10 A current rating compared to the FEP16FTA's 16 A per diode. The single diode configuration requires different circuit implementation and is not a direct functional replacement for a diode array application.

Neither substitute part provides a direct electrical and mechanical equivalent to the FEP16FTA. Both parts present configuration or rating mismatches that require circuit-level evaluation before implementation.

Frequently Asked Questions (FAQ)

Q: Can the MUR1620CTG directly replace the FEP16FTA in an existing circuit?

A: No. The MUR1620CTG uses a Common Cathode configuration while the FEP16FTA uses Common Anode. These configurations have different pin assignments and cannot be substituted without circuit redesign. Additionally, the MUR1620CTG has lower voltage (200 V vs. 300 V) and current (8 A vs. 16 A) ratings.

Q: Is the SF1005GHC0G suitable as a substitute for the FEP16FTA?

A: The SF1005GHC0G maintains the 300 V voltage rating and TO-220-3 package of the FEP16FTA. However, it is a single diode device, not a diode array, and provides 10 A current rating instead of 16 A per diode. Applications requiring a diode array configuration cannot use this part as a direct replacement.

Q: What are the critical parameters that determine FEP16FTA substitution compatibility?

A: Substitution compatibility is determined by: diode configuration (Common Anode vs. Common Cathode), maximum reverse voltage rating (300 V minimum), average rectified current per diode (16 A minimum), package type (TO-220-3), mounting method (through-hole), and operating temperature range (-55°C to 150°C minimum).

Q: Why is the FEP16FTA classified as obsolete?

A: The FEP16FTA is listed as obsolete by the manufacturer. This status indicates that the part is no longer in active production and may have limited availability. Active alternatives should be evaluated for new designs or ongoing production support.

Q: Are there compliance differences between the FEP16FTA and the substitute parts?

A: Yes. The MUR1620CTG and SF1005GHC0G are both ROHS3 compliant, while the FEP16FTA compliance status is not specified in the provided data. The SF1005GHC0G additionally carries AEC-Q101 automotive qualification. These compliance differences may be relevant for specific application requirements.

Q: What is the significance of reverse recovery time in these diode specifications?

A: Reverse recovery time (trr) affects switching speed and efficiency in rectifier applications. The FEP16FTA has a trr of 50 ns, while both substitute parts have 35 ns. Faster recovery times reduce switching losses but do not prevent substitution if other parameters are compatible.