SS110L MHG Schottky Diode Equivalent & Substitute Parts

Part Overview

The SS110L MHG is a 100V, 1A Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation in a DO-219AB (Sub SMA) surface mount package. This component is classified as Active product status and is ROHS3 compliant. The SS110L MHG serves as a fast recovery rectifier suitable for low-voltage power supply and switching applications requiring efficient forward conduction characteristics.

Equivalent and substitute parts are necessary when the primary part number becomes unavailable, when alternative packaging formats are required, or when design specifications allow for higher current ratings or enhanced performance characteristics within the same voltage class and package family.

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 MHG is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters for Direct Substitution:

Voltage - DC Reverse (Vr) Maximum: 100V
Current - Average Rectified (Io): 1A minimum
Package / Case: DO-219AB (Sub SMA)
Mounting Type: Surface Mount
Technology: Schottky
RoHS Status: ROHS3 Compliant

Substitution Categories:

Category 1: Parametric Equivalents (Identical Electrical Specifications) Parts that maintain identical voltage, current, and thermal characteristics. The SS110L from Taiwan Semiconductor Corporation in Tape & Reel packaging qualifies as a parametric equivalent with identical electrical performance but different packaging format and product status designation.

Category 2: Similar Manufacturers (Vishay eSMP® Series) Parts from Vishay General Semiconductor - Diodes Division that maintain the 100V reverse voltage and DO-219AB package but may differ in current rating, reverse leakage characteristics, or temperature range. These parts are qualified for direct substitution when current requirements do not exceed the specified rating.

Category 3: Higher Current Ratings Parts rated for 2A average rectified current (SS2FH10 series) are suitable substitutes when the application circuit can accommodate higher current capacity without circuit modification. These parts maintain the 100V voltage rating and DO-219AB package.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io (A)	Vf @ If	Reverse Leakage @ Vr	Tj (°C)	Package	Product Status
SS110L MHG	Taiwan Semiconductor Corporation	100V	1	800 mV @ 1A	50 µA @ 100V	-55 to 150	DO-219AB	Active
SS110L	Taiwan Semiconductor Corporation	100V	1	800 mV @ 1A	50 µA @ 100V	-55 to 150	DO-219AB	Not For New Designs
SS1FH10-M3/H	Vishay General Semiconductor	100V	1	800 mV @ 1A	5 µA @ 100V	-55 to 175	DO-219AB	Active
SS1FH10HM3/H	Vishay General Semiconductor	100V	1	800 mV @ 1A	5 µA @ 100V	-55 to 175	DO-219AB	Active
SS2FH10-M3/H	Vishay General Semiconductor	100V	2	860 mV @ 2A	5 µA @ 10V	-55 to 175	DO-219AB	Active
SS2FH10HM3/H	Vishay General Semiconductor	100V	2	860 mV @ 2A	5 µA @ 100V	-55 to 175	DO-219AB	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): The SS1FH10-M3/H and SS1FH10HM3/H from Vishay General Semiconductor are direct electrical equivalents to the SS110L MHG. Both parts maintain 100V reverse voltage, 1A average rectified current, and DO-219AB packaging. These parts are Active product status and ROHS3 compliant. The Vishay eSMP® series offers improved reverse leakage characteristics (5 µA versus 50 µA) and extended junction temperature range (-55°C to 175°C versus -55°C to 150°C).

For Higher Current Applications: The SS2FH10-M3/H and SS2FH10HM3/H are suitable substitutes when circuit design permits 2A average rectified current operation. These parts maintain the 100V voltage rating and DO-219AB package while providing increased current capacity. Both are Active product status with AEC-Q101 automotive qualification available for the HM3/H variant.

For Packaging Format Alternatives: The SS110L (Tape & Reel packaging) from Taiwan Semiconductor Corporation provides identical electrical specifications to the SS110L MHG but carries Not For New Designs status. This part is suitable only for legacy system maintenance or when existing inventory must be utilized.

Compliance Considerations: All substitute parts listed maintain ROHS3 compliance, Moisture Sensitivity Level 1 (Unlimited), and REACH Unaffected status, ensuring compatibility with current regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can the SS1FH10-M3/H directly replace the SS110L MHG without circuit modification?

A: Yes. The SS1FH10-M3/H maintains identical electrical specifications: 100V reverse voltage, 1A average rectified current, 800 mV forward voltage at 1A, and DO-219AB package. Both are surface mount components with identical mounting requirements. The Vishay part offers improved reverse leakage performance and extended temperature range.

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

A: Both parts are electrically identical with 100V, 1A ratings and DO-219AB packaging. The primary difference is packaging format: SS1FH10-M3/H is supplied in Cut Tape (CT) & Digi-Reel®, while SS1FH10HM3/H is supplied in Tape & Reel (TR). The HM3/H variant includes AEC-Q101 automotive qualification. Selection depends on assembly equipment compatibility and supply chain requirements.

Q: Can SS2FH10-M3/H be used as a substitute for SS110L MHG?

A: The SS2FH10-M3/H is electrically compatible for substitution when the application circuit is designed to operate with 2A average rectified current. The part maintains 100V reverse voltage and DO-219AB packaging. Forward voltage increases to 860 mV at 2A operation. This substitution is suitable only when higher current capacity does not create thermal or circuit design conflicts.

Q: What are the key differences between Taiwan Semiconductor Corporation and Vishay eSMP® series parts?

A: The Vishay eSMP® series (SS1FH10 and SS2FH10 base numbers) offers lower reverse leakage current (5 µA versus 50 µA for Taiwan Semiconductor), extended junction temperature range (175°C versus 150°C), and documented capacitance specifications (70pF @ 4V, 1MHz). Taiwan Semiconductor parts are suitable for standard applications where these enhanced characteristics are not required.

Q: Is the SS110L (Not For New Designs) suitable for new product development?

A: No. Parts designated as Not For New Designs should not be selected for new product development. The SS1FH10-M3/H or SS1FH10HM3/H from Vishay are recommended alternatives with Active product status for new designs.

Q: What packaging formats are available for 100V, 1A Schottky diodes in DO-219AB?

A: The SS1FH10-M3/H is available in Cut Tape (CT) & Digi-Reel® format, while SS1FH10HM3/H is available in Tape & Reel (TR) format. Selection depends on assembly line equipment and volume requirements. Both formats are compatible with standard surface mount assembly processes.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All parts listed—SS110L MHG, SS110L, SS1FH10-M3/H, SS1FH10HM3/H, SS2FH10-M3/H, and SS2FH10HM3/H—are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited) and REACH Unaffected status.

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