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 with unlimited moisture sensitivity level (MSL 1).

The SS115L serves as a fast recovery Schottky diode suitable for applications requiring low forward voltage drop and rapid switching characteristics. Identification of equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and accommodate packaging or inventory requirements while maintaining electrical 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
Package / Case	DO-219AB	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 150	°C
Technology	Schottky	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the SS115L is determined by strict equivalence across the following critical parameters:

Voltage Rating: DC reverse voltage must equal 150 V maximum
Current Rating: Average rectified current must equal 1 A
Forward Voltage Drop: Maximum forward voltage must equal 900 mV at 1 A
Recovery Speed: Fast recovery characteristic with switching time ≤ 500ns for currents > 200mA
Reverse Leakage: Maximum reverse leakage current must equal 50 µA at 150 V
Package: DO-219AB (Sub SMA) surface mount package
Technology: Schottky diode technology
Compliance: RoHS3 compliant, REACH unaffected status

The SS115L (Tape & Reel packaging variant) qualifies as a parametric equivalent. All electrical characteristics, thermal operating range, and package specifications are identical to the main part. The primary distinction is packaging format: Tape & Reel (TR) versus standard packaging configuration.

Parameter Comparison

Parameter	SS115L (Main Part)	SS115L (Tape & Reel)
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)
REACH Status	REACH Unaffected	REACH Unaffected
Product Status	Active	Not For New Designs
Packaging Format	Standard	Tape & Reel (TR)

Engineering Selection Recommendations

SS115L (Tape & Reel Variant)

The SS115L in Tape & Reel packaging is electrically and mechanically identical to the main part specification. Selection between the standard and Tape & Reel variants depends on manufacturing process requirements and assembly equipment compatibility.

The Tape & Reel variant carries a product status designation of "Not For New Designs." This status indicates the part remains available for existing production and support applications but is not recommended for new circuit designs. For new design implementations, the standard SS115L (Active status) is the appropriate selection.

Both variants maintain full RoHS3 compliance, REACH unaffected status, and identical electrical performance across the specified operating temperature range of -55°C to 150°C junction temperature.

Frequently Asked Questions (FAQ)

Q: What determines if a part can substitute for the SS115L?

A: A substitute part must match all critical electrical parameters: 150 V DC reverse voltage rating, 1 A average rectified current, 900 mV maximum forward voltage at 1 A, fast recovery switching ≤ 500ns, 50 µA reverse leakage at 150 V, and DO-219AB package configuration. The part must also be Schottky technology with identical thermal operating range (-55°C to 150°C).

Q: What is the difference between the standard SS115L and the Tape & Reel variant?

A: The electrical and mechanical specifications are identical. The difference is packaging format: standard packaging versus Tape & Reel (TR) format. Tape & Reel packaging is used for automated assembly processes and high-volume production runs. Selection depends on manufacturing equipment and process requirements.

Q: Can the SS115L Tape & Reel variant be used in new designs?

A: The Tape & Reel variant carries "Not For New Designs" product status. For new circuit designs, use the standard SS115L with Active product status. The Tape & Reel variant is suitable for existing production support and replacement applications.

Q: Are both variants RoHS3 compliant?

A: Yes. Both the standard SS115L and the Tape & Reel variant are RoHS3 compliant with REACH unaffected status and MSL 1 (unlimited moisture sensitivity level).

Q: What is the operating temperature range for the SS115L?

A: The junction operating temperature range is -55°C to 150°C for both variants.

Q: What package type is used for the SS115L?

A: Both variants use the DO-219AB package, classified as Sub SMA (surface mount). This is a surface mount package suitable for automated PCB assembly.

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