FEP16ATA Equivalent & Substitute Parts

Part Overview

The FEP16ATA is a diode array manufactured by onsemi, configured as a 1 Pair Common Anode rectifier with a maximum reverse voltage of 50 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 35 ns. The FEP16ATA is classified as obsolete, making identification of equivalent and substitute parts necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Common Anode
Voltage - DC Reverse (Vr) (Max)	50 V
Current - Average Rectified (Io) (per Diode)	16 A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 8 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Reverse Recovery Time (trr)	35 ns
Current - Reverse Leakage @ Vr	10 µA @ 50 V
Operating Temperature - Junction	-55°C ~ 150°C
Mounting Type	Through Hole
Package / Case	TO-220-3
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the FEP16ATA is determined by the following critical parameters: package type (TO-220-3 through-hole), diode configuration (common anode or common cathode), maximum reverse voltage (50 V or higher), average rectified current per diode (16 A or higher), and recovery speed characteristics (fast recovery ≤ 500 ns).

The substitute parts identified fall into two functional categories:

Category 1: Direct Electrical Equivalents (Common Cathode Configuration) Parts GI2401-E3/45, SBR30A45CT, and SBRT30A45CT maintain the same TO-220-3 package and meet or exceed the voltage and current specifications. These parts feature common cathode configuration rather than common anode, which requires circuit topology verification before substitution.

Category 2: Enhanced Performance Alternative (Single Diode) Part SF2001GHC0G is a single diode (not a diode array) with superior current rating (20 A) and equivalent voltage rating (50 V), suitable for applications where the diode array configuration is not mandatory.

Parameter Comparison

Parameter	FEP16ATA	GI2401-E3/45	SBR30A45CT	SBRT30A45CT	SF2001GHC0G
Manufacturer	onsemi	Vishay General Semiconductor - Diodes Division	Diodes Incorporated	Diodes Incorporated	Taiwan Semiconductor Corporation
Diode Configuration	1 Pair Common Anode	1 Pair Common Cathode	1 Pair Common Cathode	1 Pair Common Cathode	Single Diode
Voltage - DC Reverse (Vr) (Max)	50 V	50 V	45 V	45 V	50 V
Current - Average Rectified (Io) (per Diode)	16 A	16 A	15 A	15 A	20 A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 8 A	975 mV @ 8 A	500 mV @ 15 A	510 mV @ 15 A	975 mV @ 10 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Standard Recovery > 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Reverse Recovery Time (trr)	35 ns	35 ns	Not specified	Not specified	35 ns
Current - Reverse Leakage @ Vr	10 µA @ 50 V	50 µA @ 50 V	500 µA @ 45 V	400 µA @ 45 V	5 µA @ 50 V
Operating Temperature - Junction	-55°C ~ 150°C	-65°C ~ 150°C	-65°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	TO-220-3	TO-220-3	TO-220-3	TO-220-3	TO-220-3
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

GI2401-E3/45 (Vishay General Semiconductor - Diodes Division) This part is an active product with ROHS3 compliance and maintains the same 50 V reverse voltage and 16 A current rating as the FEP16ATA. The primary difference is the common cathode configuration versus the original common anode design. This part is suitable for applications where circuit topology can accommodate the cathode configuration change. The part is available in active production status with 1122 units in stock.

SBR30A45CT (Diodes Incorporated) This part features Super Barrier technology with reduced forward voltage (500 mV @ 15 A) compared to the FEP16ATA (950 mV @ 8 A), resulting in lower power dissipation. The reverse voltage is rated at 45 V (5 V lower than the original) and current is rated at 15 A (1 A lower than the original). This part is suitable for applications with 45 V or lower voltage requirements and 15 A or lower current requirements. ROHS3 compliance and active product status are confirmed. High inventory availability (16688 units) supports procurement continuity.

SBRT30A45CT (Diodes Incorporated) This part is based on TrenchSBR technology with specifications similar to SBR30A45CT. The reverse recovery time specification is not provided, and recovery speed is classified as standard (> 500 ns) rather than fast recovery. This part is suitable for applications where fast recovery characteristics are not critical. ROHS3 compliance and active product status are confirmed. Limited inventory (891 units) is available.

SF2001GHC0G (Taiwan Semiconductor Corporation) This part is a single diode (not a diode array) with 50 V reverse voltage and 20 A current rating, exceeding the FEP16ATA specifications. The part includes automotive qualification (AEC-Q101) and is suitable for applications where a single diode configuration is acceptable. ROHS3 compliance and active product status are confirmed. This part is not a direct substitute for diode array applications requiring paired diodes.

Frequently Asked Questions (FAQ)

Q: Can GI2401-E3/45 be used as a direct replacement for FEP16ATA? A: GI2401-E3/45 maintains the same voltage (50 V) and current (16 A) ratings and uses the same TO-220-3 package. The primary difference is the diode configuration: GI2401-E3/45 is common cathode while FEP16ATA is common anode. Direct substitution requires verification that the circuit topology is compatible with the cathode configuration.

Q: What are the advantages of SBR30A45CT over FEP16ATA? A: SBR30A45CT features Super Barrier technology with significantly lower forward voltage (500 mV @ 15 A versus 950 mV @ 8 A), resulting in reduced power dissipation and improved efficiency. The trade-off is a lower voltage rating (45 V versus 50 V) and lower current rating (15 A versus 16 A).

Q: Is SF2001GHC0G suitable for applications requiring a diode array? A: SF2001GHC0G is a single diode, not a diode array. It is not suitable for applications that require paired diodes with a common connection point. This part is appropriate only for applications where a single diode configuration is acceptable.

Q: What is the significance of the common anode versus common cathode configuration? A: Common anode configuration connects the anode terminals of both diodes together, while common cathode configuration connects the cathode terminals together. The circuit topology determines which configuration is required. Substitution between these configurations requires circuit redesign verification.

Q: Are all substitute parts RoHS compliant? A: GI2401-E3/45, SBR30A45CT, SBRT30A45CT, and SF2001GHC0G are all ROHS3 compliant. The original FEP16ATA RoHS status is not specified in the provided data.

Q: Which substitute part has the best availability? A: SBR30A45CT has the highest inventory level with 16688 units in stock, followed by GI2401-E3/45 with 1122 units, SF2001GHC0G with 797 units, and SBRT30A45CT with 891 units.

Q: What is the difference between fast recovery and standard recovery specifications? A: Fast recovery (≤ 500 ns) diodes switch faster than standard recovery (> 500 ns) diodes, resulting in lower switching losses and reduced electromagnetic interference. SBRT30A45CT uses standard recovery technology, while FEP16ATA, GI2401-E3/45, SBR30A45CT, and SF2001GHC0G use fast recovery technology.

Q: Can SBRT30A45CT be used in high-frequency switching applications? A: SBRT30A45CT features standard recovery characteristics (> 500 ns) rather than fast recovery. Applications requiring fast switching response should use parts with fast recovery specifications such as GI2401-E3/45 or SBR30A45CT.

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