SS115L Schottky Diode Equivalent & Substitute Parts

Part Overview

The SS115L is a surface mount Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 150 V DC reverse voltage and 1 A average rectified current. This component is classified as Active product status and is RoHS3 compliant. The SS115L serves in applications requiring fast recovery rectification with low forward voltage drop characteristics inherent to Schottky technology.

Substitute parts become necessary when the primary part number reaches end-of-life status, inventory constraints occur, or when alternative packaging configurations are required while maintaining identical electrical performance and mechanical compatibility.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	150	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	900 mV @ 1 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	50	µA @ 150 V
Technology	Schottky	—
Package / Case	DO-219AB	—
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

Substitution of the SS115L is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute parts identified maintain identical specifications for:

Voltage rating: 150 V DC reverse voltage maximum
Current rating: 1 A average rectified current
Forward voltage drop: 900 mV maximum at 1 A
Recovery speed: Fast recovery ≤ 500ns for currents > 200mA
Reverse leakage current: 50 µA at 150 V
Package type: DO-219AB (Sub SMA)
Mounting configuration: Surface mount
Temperature range: -55°C to 150°C junction operating temperature
Compliance: RoHS3 compliant, REACH unaffected

Substitute parts may differ in packaging format (Tape & Reel versus bulk) and product status classification, but electrical performance and mechanical fit remain functionally equivalent.

Parameter Comparison

Parameter	SS115L (Main Part)	SS115L (Substitute - TR)
Manufacturer	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation
Category	Diodes, Rectifiers	Diodes, Rectifiers
Technology	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	150 V	150 V
Current - Average Rectified (Io)	1 A	1 A
Voltage - Forward (Vf) (Max) @ If	900 mV @ 1 A	900 mV @ 1 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	50 µA @ 150 V	50 µA @ 150 V
Package / Case	DO-219AB	DO-219AB
Mounting Type	Surface Mount	Surface Mount
Operating Temperature - Junction	-55°C to 150°C	-55°C to 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
Packaging Format	Bulk	Tape & Reel (TR)
Product Status	Active	Not For New Designs

Engineering Selection Recommendations

The SS115L (main part) is designated as Active product status and is suitable for new design implementations. This part maintains full RoHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic component procurement.

The substitute SS115L variant in Tape & Reel packaging is electrically and mechanically equivalent but carries a product status classification of Not For New Designs. This designation indicates the part remains available for existing production runs and field replacements but should not be selected for new circuit designs.

Selection between the main part and substitute should be based on:

Design phase: Active status parts are appropriate for new designs; Not For New Designs variants are restricted to legacy or maintenance applications
Packaging requirements: Bulk packaging versus Tape & Reel format based on assembly process and volume requirements
Inventory availability: Both variants maintain stock levels sufficient for procurement

All substitute parts maintain electrical equivalence and mechanical compatibility with the original SS115L specification.

Frequently Asked Questions (FAQ)

Q: Can the SS115L (Tape & Reel) substitute be used in new product designs?

A: No. The substitute variant carries a product status of Not For New Designs. New designs must use the Active status SS115L. The Tape & Reel variant is restricted to existing production and field replacement applications.

Q: Are the electrical specifications identical between the main part and substitute?

A: Yes. Both parts maintain identical electrical parameters: 150 V reverse voltage rating, 1 A average rectified current, 900 mV forward voltage drop at 1 A, fast recovery speed ≤ 500ns, and 50 µA reverse leakage current at 150 V.

Q: What is the difference between bulk and Tape & Reel packaging?

A: Bulk packaging is supplied in standard quantities for manual or semi-automated assembly. Tape & Reel packaging is configured for automated pick-and-place assembly equipment. Both formats contain identical components with the same electrical and mechanical specifications.

Q: Does the SS115L meet current compliance requirements?

A: Yes. The SS115L is RoHS3 compliant and REACH unaffected, meeting current regulatory standards for electronic component procurement and use.

Q: Can the SS115L be used in applications requiring -55°C to 150°C operating temperature range?

A: Yes. The junction operating temperature range is -55°C to 150°C, supporting applications across this full temperature spectrum.

Q: What is the moisture sensitivity level of the SS115L?

A: The Moisture Sensitivity Level (MSL) is 1 (Unlimited), indicating no moisture-related storage restrictions apply to this component.

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