SRF2040HC0G Equivalent & Substitute Parts

Part Overview

The SRF2040HC0G is a Schottky diode array manufactured by Taiwan Semiconductor Corporation, configured as a 1 Pair Common Cathode arrangement. This component is rated for 40 V DC reverse voltage with 20 A average rectified current per diode and features fast recovery characteristics. The device is packaged in TO-220-3 Full Pack with isolated tab configuration for through-hole mounting applications.

This part maintains Active product status and carries AEC-Q101 automotive qualification with ROHS3 compliance. Equivalent substitute parts are identified based on matching electrical specifications and mechanical compatibility to support procurement flexibility and supply chain continuity.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Common Cathode
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	40 V
Current - Average Rectified (Io) (per Diode)	20 A
Voltage - Forward (Vf) (Max) @ If	550 mV @ 10 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Mounting Type	Through Hole
Package / Case	TO-220-3 Full Pack, Isolated Tab
Supplier Device Package	ITO-220AB
Operating Temperature - Junction	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the SRF2040HC0G are identified through parametric equivalence based on the following critical specifications:

Electrical Equivalence Criteria:

Diode configuration: 1 Pair Common Cathode
Technology: Schottky
Voltage rating: 40 V DC reverse maximum
Current rating: 20 A average rectified per diode
Forward voltage: 550 mV maximum at 10 A
Recovery speed: Fast Recovery ≤ 500ns, > 200mA

Mechanical Compatibility Criteria:

Mounting type: Through Hole
Package type: TO-220-3 Full Pack
Supplier device package: ITO-220AB
Pin configuration: Isolated Tab

The SB2040FCT_T0_00001 manufactured by Panjit International Inc. satisfies all electrical and mechanical equivalence parameters, enabling direct functional substitution in circuit applications.

Parameter Comparison

Parameter	SRF2040HC0G (Taiwan Semiconductor)	SB2040FCT_T0_00001 (Panjit International)
Diode Configuration	1 Pair Common Cathode	1 Pair Common Cathode
Technology	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	40 V	40 V
Current - Average Rectified (Io) (per Diode)	20 A	20 A
Voltage - Forward (Vf) (Max) @ If	550 mV @ 10 A	550 mV @ 10 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	500 µA @ 40 V	200 µA @ 40 V
Operating Temperature - Junction	-55°C ~ 125°C	-55°C ~ 150°C
Mounting Type	Through Hole	Through Hole
Package / Case	TO-220-3 Full Pack, Isolated Tab	TO-220-3 Full Pack
Supplier Device Package	ITO-220AB	ITO-220AB
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Both the SRF2040HC0G and SB2040FCT_T0_00001 maintain Active product status and satisfy ROHS3 compliance requirements. The SRF2040HC0G carries AEC-Q101 automotive qualification, establishing its suitability for automotive-grade applications.

The SB2040FCT_T0_00001 provides equivalent electrical performance with improved reverse leakage characteristics (200 µA versus 500 µA at 40 V) and extended maximum junction temperature rating (-55°C to 150°C versus -55°C to 125°C). Both devices are packaged identically in TO-220-3 Full Pack configuration with ITO-220AB supplier device package designation, ensuring mechanical interchangeability.

Selection between these parts depends on application-specific requirements regarding reverse leakage performance and operating temperature range. Both components satisfy the core electrical and mechanical specifications for direct substitution in TO-220-3 through-hole circuit implementations.

Frequently Asked Questions (FAQ)

Q: Can the SB2040FCT_T0_00001 be used as a direct replacement for the SRF2040HC0G?

A: Yes. Both devices share identical diode configuration, voltage rating, current rating, forward voltage characteristics, and recovery speed specifications. The TO-220-3 Full Pack packaging with ITO-220AB supplier device package ensures mechanical compatibility and pin-for-pin interchangeability.

Q: What are the differences between these two parts?

A: The primary differences are reverse leakage current (200 µA for SB2040FCT_T0_00001 versus 500 µA for SRF2040HC0G at 40 V) and maximum junction temperature range (150°C versus 125°C). The SRF2040HC0G carries AEC-Q101 automotive qualification, while the SB2040FCT_T0_00001 does not list this certification.

Q: Are both parts RoHS compliant?

A: Yes. Both the SRF2040HC0G and SB2040FCT_T0_00001 are ROHS3 compliant and REACH unaffected.

Q: What is the significance of the isolated tab in the TO-220-3 Full Pack configuration?

A: The isolated tab indicates that the mounting tab is electrically isolated from the diode circuit, allowing for independent thermal management without electrical connection to the device terminals. This configuration is specified for both parts.

Q: Can these parts be used in automotive applications?

A: The SRF2040HC0G carries AEC-Q101 automotive qualification. The SB2040FCT_T0_00001 does not list automotive qualification in the provided specifications. Application requirements should determine the necessity of AEC-Q101 certification.

Q: What is the packaging difference between these parts?

A: The SRF2040HC0G is supplied in full pack configuration, while the SB2040FCT_T0_00001 is supplied in tube packaging. Both use identical TO-220-3 component packaging with ITO-220AB supplier device package designation.

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