HS2GFS Equivalent & Substitute Parts

Part Overview

The HS2GFS is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 400 V DC reverse voltage and 2 A average rectified current. This surface mount diode in SOD-128 package is designed for fast recovery applications with a reverse recovery time of 50 ns. The part is currently in active production status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity for applications requiring identical electrical and mechanical specifications.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	400	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	1.3 @ 2 A	V
Reverse Recovery Time (trr)	50	ns
Current - Reverse Leakage @ Vr	1 @ 400 V	µA
Package / Case	SOD-128	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the HS2GFS are identified based on strict parametric equivalence across all critical electrical and mechanical specifications. The substitution logic requires exact matching of the following parameters:

Voltage - DC Reverse (Vr) (Max): 400 V
Current - Average Rectified (Io): 2 A
Voltage - Forward (Vf) (Max) @ If: 1.3 V @ 2 A
Package / Case: SOD-128
Mounting Type: Surface Mount
Operating Temperature - Junction: -55°C to 150°C
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

The ES2GFS meets all these criteria and is classified as a parametric equivalent. Both parts share identical voltage ratings, current ratings, forward voltage characteristics, package configuration, and environmental compliance specifications. Variations in reverse recovery time (50 ns for HS2GFS versus 35 ns for ES2GFS) and junction capacitance (25 pF versus 16 pF) do not disqualify substitution, as these parameters remain within acceptable ranges for general-purpose rectification applications and do not alter the core functional classification.

Parameter Comparison

Parameter	HS2GFS	ES2GFS	Unit
Manufacturer	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	—
Category	Diodes, Rectifiers	Diodes, Rectifiers	—
Voltage - DC Reverse (Vr) (Max)	400	400	V
Current - Average Rectified (Io)	2	2	A
Voltage - Forward (Vf) (Max) @ If	1.3 @ 2 A	1.3 @ 2 A	V
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	—
Reverse Recovery Time (trr)	50	35	ns
Current - Reverse Leakage @ Vr	1 @ 400 V	1 @ 400 V	µA
Capacitance @ Vr, F	25 @ 4 V, 1 MHz	16 @ 4 V, 1 MHz	pF
Package / Case	SOD-128	SOD-128	—
Mounting Type	Surface Mount	Surface Mount	—
Operating Temperature - Junction	-55 to 150	-55 to 150	°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	—
REACH Status	REACH Unaffected	REACH Unaffected	—
ECCN	EAR99	EAR99	—

Engineering Selection Recommendations

Both HS2GFS and ES2GFS are active production parts manufactured by Taiwan Semiconductor Corporation with identical compliance certifications. Selection between these parts is based on availability and inventory status rather than functional differences. Both parts carry ROHS3 compliance, REACH Unaffected status, and EAR99 export classification, meeting regulatory requirements for industrial and commercial applications.

The ES2GFS exhibits improved reverse recovery time performance (35 ns versus 50 ns) and lower junction capacitance (16 pF versus 25 pF), characteristics that may provide marginal benefits in high-frequency switching applications. However, both parts satisfy the fast recovery classification (≤ 500 ns) and are functionally equivalent for general-purpose rectification circuits.

Selection should prioritize part availability and lead time requirements. Current inventory levels show HS2GFS at 7,176 pieces and ES2GFS at 6,163 pieces, both in new original condition. No design modifications or circuit re-qualification are required when substituting between these parts.

Frequently Asked Questions (FAQ)

Q: Can ES2GFS be used as a direct replacement for HS2GFS in existing designs?

A: Yes. Both parts share identical voltage ratings (400 V), current ratings (2 A), forward voltage characteristics (1.3 V @ 2 A), package configuration (SOD-128), and operating temperature range (-55°C to 150°C). No circuit modifications or design changes are required.

Q: What are the differences between HS2GFS and ES2GFS?

A: The primary differences are reverse recovery time (HS2GFS: 50 ns; ES2GFS: 35 ns) and junction capacitance (HS2GFS: 25 pF; ES2GFS: 16 pF). Both parameters remain within acceptable ranges for general-purpose rectification. Both parts meet fast recovery specifications and are functionally equivalent.

Q: Are both parts RoHS compliant?

A: Yes. Both HS2GFS and ES2GFS are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, suitable for standard PCB assembly and storage conditions.

Q: What is the SOD-128 package footprint compatibility?

A: Both parts use identical SOD-128 surface mount packaging. PCB layouts, solder pad dimensions, and pick-and-place machine programming require no modification when substituting between these parts.

Q: Can these parts be used interchangeably in high-frequency switching applications?

A: Both parts are classified as fast recovery diodes and meet the ≤ 500 ns reverse recovery time specification. The ES2GFS offers faster recovery (35 ns) compared to HS2GFS (50 ns), providing marginal performance advantage in high-frequency circuits. Both are suitable for switching applications within their rated specifications.

Q: What export classifications apply to these parts?

A: Both HS2GFS and ES2GFS are classified as EAR99 under U.S. export control regulations, with REACH Unaffected status for European compliance.

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