FEP16FT Equivalent & Substitute Parts

Part Overview

The FEP16FT is a diode array rectifier manufactured by onsemi, configured as a 1 Pair Common Cathode design rated for 300V DC reverse voltage and 16A average rectified current per diode. The device is packaged in a Through Hole TO-220-3 case and features fast recovery characteristics with a 50 ns reverse recovery time. The FEP16FT is classified as obsolete, making identification of equivalent and substitute components necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	300 V
Current - Average Rectified (Io) (per Diode)	16 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 8 A
Reverse Recovery Time (trr)	50 ns
Current - Reverse Leakage @ Vr	10 µA @ 300 V
Operating Temperature - Junction	-55°C ~ 150°C
Diode Configuration	1 Pair Common Cathode
Mounting Type	Through Hole
Package / Case	TO-220-3
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)

Substitute Part Grouping Explanation

Substitute parts for the FEP16FT are classified into two categories based on parametric alignment:

Parametric Equivalent: FEP16FT-E3/45 maintains identical electrical specifications and diode configuration, differing only in manufacturer (Vishay General Semiconductor - Diodes Division) and product status (Active). This part satisfies direct replacement requirements where all electrical and mechanical parameters must match exactly.

Similar Substitute: SF1005GHC0G provides functional substitution with allowable parameter variations. This part maintains the same 300V reverse voltage rating and TO-220-3 package configuration but operates at a reduced current rating of 10A per diode (compared to 16A for the FEP16FT). The SF1005GHC0G features a faster reverse recovery time of 35 ns and includes automotive-grade qualification (AEC-Q101).

Substitution logic is based on the following critical parameters: Voltage - DC Reverse (Vr) (Max), Current - Average Rectified (Io), Diode Configuration, Package / Case, and Operating Temperature range. All substitute parts maintain compatibility with the Through Hole mounting requirement and fast recovery speed classification.

Parameter Comparison

Parameter	FEP16FT (Main)	FEP16FT-E3/45 (Parametric Equivalent)	SF1005GHC0G (Similar Substitute)
Manufacturer	onsemi	Vishay General Semiconductor - Diodes Division	Taiwan Semiconductor Corporation
Product Status	Obsolete	Active	Active
Voltage - DC Reverse (Vr) (Max)	300 V	300 V	300 V
Current - Average Rectified (Io) (per Diode)	16 A	16 A	10 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 8 A	1.3 V @ 8 A	1.3 V @ 5 A
Reverse Recovery Time (trr)	50 ns	50 ns	35 ns
Current - Reverse Leakage @ Vr	10 µA @ 300 V	10 µA @ 300 V	10 µA @ 300 V
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C
Diode Configuration	1 Pair Common Cathode	1 Pair Common Cathode	Single Diode
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	TO-220-3	TO-220-3	TO-220-3
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant
Qualification	Not specified	Not specified	AEC-Q101

Engineering Selection Recommendations

FEP16FT-E3/45 is the primary equivalent for direct replacement of the obsolete FEP16FT. This part is manufactured by Vishay General Semiconductor - Diodes Division and maintains Active product status. All electrical parameters, diode configuration, and package specifications are identical to the FEP16FT. The FEP16FT-E3/45 is ROHS3 Compliant and carries REACH Unaffected status, matching the regulatory profile of the original component.

SF1005GHC0G serves as a functional substitute where current rating reduction is acceptable within the application circuit design. This part is manufactured by Taiwan Semiconductor Corporation and maintains Active product status. The SF1005GHC0G is rated for 10A average rectified current per diode, compared to 16A for the FEP16FT. The SF1005GHC0G features AEC-Q101 automotive qualification and ROHS3 Compliance. The faster reverse recovery time of 35 ns (versus 50 ns) provides improved switching performance characteristics. The SF1005GHC0G is a single diode configuration rather than a diode pair, requiring circuit topology evaluation.

Selection between these options depends on application current requirements and whether the diode pair configuration is essential to the circuit design.

Frequently Asked Questions (FAQ)

Q: Can FEP16FT-E3/45 be used as a direct replacement for FEP16FT?

A: Yes. The FEP16FT-E3/45 is a parametric equivalent with identical voltage rating (300V), current rating (16A per diode), forward voltage characteristics (1.3V @ 8A), reverse recovery time (50 ns), and diode configuration (1 Pair Common Cathode). Both devices use the TO-220-3 package and support the same operating temperature range (-55°C to 150°C). The FEP16FT-E3/45 is manufactured by Vishay and maintains Active product status.

Q: What are the limitations of using SF1005GHC0G as a substitute?

A: The SF1005GHC0G operates at a reduced current rating of 10A per diode, compared to 16A for the FEP16FT. Additionally, the SF1005GHC0G is a single diode configuration rather than a diode pair common cathode configuration. The SF1005GHC0G is suitable only for applications where the lower current rating meets circuit requirements and where the single diode topology can be accommodated in the design.

Q: Are all substitute parts compatible with the TO-220-3 package footprint?

A: Yes. Both FEP16FT-E3/45 and SF1005GHC0G use the TO-220-3 package and are Through Hole mounted devices. Physical footprint compatibility is maintained across all listed parts.

Q: What is the difference in reverse recovery time between the main part and substitutes?

A: The FEP16FT and FEP16FT-E3/45 both have a reverse recovery time of 50 ns. The SF1005GHC0G has a faster reverse recovery time of 35 ns, which results in improved switching performance and reduced switching losses in high-frequency applications.

Q: Do the substitute parts meet the same regulatory requirements as the FEP16FT?

A: The FEP16FT-E3/45 and SF1005GHC0G are both ROHS3 Compliant and carry REACH Unaffected status. The SF1005GHC0G includes AEC-Q101 automotive qualification. Regulatory compliance is maintained across all substitute options.

Q: What is the operating temperature range for all listed parts?

A: All parts, including the FEP16FT, FEP16FT-E3/45, and SF1005GHC0G, support an operating junction temperature range of -55°C to 150°C.

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