SS110L RHG Schottky Diode Equivalent & Substitute Parts

Part Overview

The SS110L RHG is a 100V, 1A Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation in DO-219AB (Sub SMA) surface mount package. This component is classified as Active product status and is ROHS3 compliant. The SS110L RHG serves as a fast recovery diode suitable for low-voltage rectification applications requiring rapid switching characteristics. Identification of equivalent and substitute parts becomes necessary when managing inventory constraints, addressing supply chain discontinuities, or accommodating design flexibility across manufacturing batches while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) Maximum	100	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) Maximum @ If	800 mV @ 1 A	mV
Speed - Fast Recovery	≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	50	µA @ 100 V
Mounting Type	Surface Mount	—
Package / Case	DO-219AB	—
Operating Temperature - Junction	-55 to 150	°C
Technology	Schottky	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the SS110L RHG is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) Maximum: 100V (exact match required)
Current - Average Rectified (Io): 1A (exact match required for direct substitution)
Package / Case: DO-219AB (mechanical compatibility)
Mounting Type: Surface Mount (assembly process compatibility)
Technology: Schottky (functional equivalence)
Speed: Fast Recovery ≤ 500ns, > 200mA (Io) (switching performance)

Parametric Equivalent Classification: Parts matching all primary criteria with identical electrical specifications are classified as parametric equivalents. The SS110L variant from Taiwan Semiconductor Corporation (Tape & Reel packaging) qualifies as a parametric equivalent with identical performance characteristics.

Similar Manufacturer Classification: Parts from alternative manufacturers (Vishay General Semiconductor - Diodes Division) that maintain the same voltage, current, package, and speed specifications are classified as similar manufacturers. The SS1FH10-M3/H and SS1FH10HM3/H (1A rated) maintain full electrical compatibility. The SS2FH10-M3/H and SS2FH10HM3/H (2A rated) provide higher current capacity within the same package and voltage class, suitable for applications requiring increased current margin.

Parameter Comparison

Parameter	SS110L RHG (Main)	SS110L (Parametric Equivalent)	SS1FH10-M3/H (Similar)	SS1FH10HM3/H (Similar)	SS2FH10-M3/H (Similar)	SS2FH10HM3/H (Similar)
Manufacturer	Taiwan Semiconductor	Taiwan Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor
Voltage - DC Reverse (Vr) Max	100 V	100 V	100 V	100 V	100 V	100 V
Current - Average Rectified (Io)	1 A	1 A	1 A	1 A	2 A	2 A
Voltage - Forward (Vf) Max @ If	800 mV @ 1 A	800 mV @ 1 A	800 mV @ 1 A	800 mV @ 1 A	860 mV @ 2 A	860 mV @ 2 A
Speed - Fast Recovery	≤ 500ns, > 200mA	≤ 500ns, > 200mA	≤ 500ns, > 200mA	≤ 500ns, > 200mA	≤ 500ns, > 200mA	≤ 500ns, > 200mA
Current - Reverse Leakage @ Vr	50 µA @ 100 V	50 µA @ 100 V	5 µA @ 100 V	5 µA @ 100 V	5 µA @ 10 V	5 µA @ 100 V
Capacitance @ Vr, F	—	—	70pF @ 4V, 1MHz	70pF @ 4V, 1MHz	70pF @ 4V, 1MHz	70pF @ 4V, 1MHz
Package / Case	DO-219AB	DO-219AB	DO-219AB	DO-219AB	DO-219AB	DO-219AB
Operating Temperature - Junction	-55 to 150°C	-55 to 150°C	-55 to 175°C	-55 to 175°C	-55 to 175°C	-55 to 175°C
Series	—	—	eSMP®	eSMP®	eSMP®	eSMP®
Product Status	Active	Not For New Designs	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Automotive Grade / AEC-Q101	—	—	—	Yes	—	Yes

Engineering Selection Recommendations

For Direct Replacement (Parametric Equivalent): The SS110L from Taiwan Semiconductor Corporation in Tape & Reel packaging provides identical electrical specifications to the SS110L RHG. However, this part carries "Not For New Designs" product status, limiting its application to legacy system maintenance or existing inventory management. This variant is suitable only when design continuity with existing production batches is required.

For New Designs and Active Product Status: The Vishay General Semiconductor eSMP® series parts (SS1FH10-M3/H and SS1FH10HM3/H) maintain full electrical compatibility with 1A current rating and 100V reverse voltage specification. Both parts are classified as Active product status. The SS1FH10HM3/H includes AEC-Q101 automotive qualification, making it suitable for automotive and high-reliability applications. The extended operating temperature range (-55 to 175°C versus -55 to 150°C) provides additional thermal margin.

For Increased Current Capacity Applications: The SS2FH10-M3/H and SS2FH10HM3/H provide 2A average rectified current within the same DO-219AB package and 100V voltage class. These parts are suitable for applications where the original 1A specification provides insufficient margin or where future design scaling requires higher current capacity. The SS2FH10HM3/H includes AEC-Q101 automotive qualification. Forward voltage increases to 860 mV at 2A operation, requiring thermal and circuit design verification.

Compliance and Regulatory Considerations: All substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the regulatory profile of the SS110L RHG. Moisture Sensitivity Level (MSL) rating of 1 (Unlimited) is consistent across all options, eliminating moisture management constraints during handling and storage.

Frequently Asked Questions (FAQ)

Q: Can the SS110L from Taiwan Semiconductor Corporation (Tape & Reel) be used as a direct replacement for the SS110L RHG?

A: Electrical specifications are identical. However, the Tape & Reel variant carries "Not For New Designs" status. Use is limited to legacy system support or inventory continuity applications. For new designs, Vishay eSMP® series parts are recommended.

Q: What is the difference between SS1FH10-M3/H and SS1FH10HM3/H?

A: Both parts maintain identical electrical specifications (100V, 1A, DO-219AB package). The SS1FH10HM3/H includes AEC-Q101 automotive qualification and operates across an extended temperature range (-55 to 175°C). Selection depends on application requirements for automotive-grade certification.

Q: Can SS2FH10-M3/H or SS2FH10HM3/H be used in place of SS110L RHG?

A: Yes, with circuit design verification. Both parts maintain 100V reverse voltage and DO-219AB package compatibility. The 2A current rating provides higher capacity. Forward voltage increases to 860 mV at 2A (versus 800 mV at 1A), requiring thermal analysis and power dissipation recalculation. These parts are suitable for applications requiring current margin or future scaling.

Q: Are all substitute parts available in the same packaging format?

A: No. The SS110L RHG is supplied in standard packaging. Vishay eSMP® series parts are available in Cut Tape (CT) & Digi-Reel® or Tape & Reel (TR) formats. Verify packaging compatibility with assembly equipment and procurement requirements before selection.

Q: What is the significance of the lower reverse leakage current in Vishay parts (5 µA versus 50 µA)?

A: Lower reverse leakage current indicates reduced standby power dissipation and improved high-temperature stability. This characteristic is beneficial in battery-powered or thermally constrained applications. The difference does not affect switching performance or forward conduction characteristics.

Q: Do all substitute parts meet the same compliance standards as SS110L RHG?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, matching the regulatory profile of the main part. Moisture Sensitivity Level (MSL) rating of 1 (Unlimited) is consistent across all options.

Q: Which substitute part is recommended for automotive applications?

A: SS1FH10HM3/H (1A) or SS2FH10HM3/H (2A) are recommended for automotive applications. Both parts carry AEC-Q101 qualification and are suitable for automotive-grade circuit designs. Selection between 1A and 2A depends on circuit current requirements and thermal design margins.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message