SS110LHRTG Equivalent & Substitute Parts

Part Overview

The SS110LHRTG is a Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 100 V DC reverse voltage and 1 A average rectified current in a surface mount Sub SMA package (DO-219AB). This component is classified as Active product status and carries AEC-Q101 automotive qualification.

Equivalent and substitute parts are necessary when the primary part number becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design specifications allow for compatible alternatives with identical or enhanced electrical characteristics. The substitute parts listed maintain the core electrical parameters while offering variations in current rating, reverse leakage characteristics, and temperature operating ranges.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	800 mV @ 1 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	50	µA @ 100 V
Package / Case	DO-219AB	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55°C ~ 150°C	°C
Technology	Schottky	—
Grade	Automotive	—
Qualification	AEC-Q101	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the SS110LHRTG is determined by the following critical parameters:

Mandatory Matching Parameters:

Voltage - DC Reverse (Vr) (Max): 100 V
Package / Case: DO-219AB
Mounting Type: Surface Mount
Technology: Schottky
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Allowable Variation Parameters:

Current - Average Rectified (Io): Equal or greater than 1 A
Voltage - Forward (Vf) (Max) @ If: Equal or less than 800 mV @ rated current
Current - Reverse Leakage @ Vr: Equal or less than 50 µA @ 100 V
Operating Temperature - Junction: Equal or greater than -55°C ~ 150°C range
Product Status: Active or Not For New Designs (with inventory availability)
Packaging Format: Tape & Reel (TR), Cut Tape (CT), or equivalent
Grade and Qualification: Automotive grade with AEC-Q101 preferred but not mandatory for non-automotive applications

Substitute parts are grouped into two categories: Parametric Equivalents (identical electrical specifications) and Similar Parts (enhanced or alternative specifications within allowable parameters).

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io	Vf (Max) @ If	Reverse Leakage @ Vr	Temp Range	Product Status	Packaging	Grade
SS110LHRTG	Taiwan Semiconductor Corporation	100 V	1 A	800 mV @ 1 A	50 µA @ 100 V	-55°C ~ 150°C	Active	Sub SMA	Automotive
SS110L	Taiwan Semiconductor Corporation	100 V	1 A	800 mV @ 1 A	50 µA @ 100 V	-55°C ~ 150°C	Not For New Designs	Tape & Reel (TR)	—
SS1FH10-M3/H	Vishay General Semiconductor - Diodes Division	100 V	1 A	800 mV @ 1 A	5 µA @ 100 V	-55°C ~ 175°C	Active	Tape & Reel (TR)	—
SS1FH10HM3/H	Vishay General Semiconductor - Diodes Division	100 V	1 A	800 mV @ 1 A	5 µA @ 100 V	-55°C ~ 175°C	Active	Cut Tape (CT) & Digi-Reel®	Automotive
SS2FH10-M3/H	Vishay General Semiconductor - Diodes Division	100 V	2 A	860 mV @ 2 A	5 µA @ 10 V	-55°C ~ 175°C	Active	Cut Tape (CT) & Digi-Reel®	—
SS2FH10HM3/H	Vishay General Semiconductor - Diodes Division	100 V	2 A	860 mV @ 2 A	5 µA @ 100 V	-55°C ~ 175°C	Active	Tape & Reel (TR)	Automotive

Engineering Selection Recommendations

SS110L (Parametric Equivalent)

The SS110L is a direct parametric equivalent to the SS110LHRTG with identical electrical specifications. However, this part carries a "Not For New Designs" product status designation. Selection of SS110L is appropriate only for replacement, repair, or continuation of existing production runs where design changes are not feasible. The part maintains full compliance with RoHS3 and MSL 1 requirements.

SS1FH10-M3/H and SS1FH10HM3/H (1 A Alternatives)

Both Vishay eSMP® series parts maintain the 1 A current rating and 100 V reverse voltage specification. These parts offer improved reverse leakage characteristics (5 µA versus 50 µA) and extended operating temperature range (-55°C ~ 175°C versus -55°C ~ 150°C). The SS1FH10HM3/H carries automotive grade with AEC-Q101 qualification, matching the original part's compliance profile. These parts are suitable for direct substitution in applications where the enhanced leakage performance and temperature range provide design margin.

SS2FH10-M3/H and SS2FH10HM3/H (2 A Alternatives)

These parts provide doubled current capacity (2 A versus 1 A) while maintaining the 100 V reverse voltage rating. The SS2FH10HM3/H includes automotive grade and AEC-Q101 qualification. These parts are suitable for substitution in applications where the original 1 A rating provides insufficient margin or where circuit redesign permits higher current handling. Forward voltage increases to 860 mV at 2 A, reflecting the higher current rating.

Packaging Considerations

The original SS110LHRTG is supplied in Sub SMA packaging. Substitute parts are available in Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® formats. Manufacturing process compatibility must be verified before selection, as different packaging formats require different handling and placement equipment.

Frequently Asked Questions (FAQ)

Q: Can SS110L be used as a direct replacement for SS110LHRTG?

A: SS110L is a parametric equivalent with identical electrical specifications. However, it carries "Not For New Designs" status. It is suitable for replacement applications and existing production continuation but not recommended for new product development. Packaging format differs (Tape & Reel versus Sub SMA).

Q: What is the difference between the 1 A and 2 A rated parts?

A: The 2 A rated parts (SS2FH10-M3/H and SS2FH10HM3/H) provide doubled current capacity. Forward voltage increases to 860 mV at 2 A compared to 800 mV at 1 A for the 1 A parts. The 2 A parts are suitable for substitution only if circuit design permits the higher current rating and associated voltage drop.

Q: Are Vishay eSMP® parts compatible with Taiwan Semiconductor Corporation parts?

A: Yes. Both manufacturers' parts share the DO-219AB package specification and identical reverse voltage and current ratings. Electrical performance is compatible. Reverse leakage characteristics differ (5 µA for Vishay versus 50 µA for Taiwan Semiconductor), which may provide design margin in applications sensitive to leakage current.

Q: Does the extended temperature range of Vishay parts affect substitution?

A: The Vishay parts operate to 175°C junction temperature versus 150°C for the original part. This extended range does not prevent substitution; it provides additional thermal margin. Applications operating within the original -55°C ~ 150°C specification are fully compatible.

Q: Which substitute part is recommended for automotive applications?

A: For automotive applications requiring AEC-Q101 qualification, select either SS1FH10HM3/H (1 A rating) or SS2FH10HM3/H (2 A rating). Both carry automotive grade designation and AEC-Q101 qualification matching the original part's compliance profile.

Q: What packaging formats are available for these substitute parts?

A: Substitute parts are available in Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® formats. The original SS110LHRTG uses Sub SMA packaging. Verify manufacturing equipment compatibility with the selected packaging format before implementation.

Q: Can reverse leakage differences affect circuit performance?

A: Reverse leakage differences (50 µA for SS110LHRTG versus 5 µA for Vishay parts) are significant in applications with high impedance nodes or precision analog circuits. In standard rectification applications, this difference is typically negligible. Circuit analysis is required to determine if leakage performance is critical.

Q: Is RoHS3 compliance maintained across all substitute parts?

A: Yes. All listed substitute parts maintain RoHS3 compliance and MSL 1 (Unlimited) moisture sensitivity level, matching the original part's environmental compliance requirements.

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