SS115LS RVG Schottky Diode Equivalent & Substitute Parts

Part Overview

The SS115LS RVG 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 in a SOD-123HE package. This component is classified as Active product status and is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain considerations, or specific qualification requirements such as automotive-grade certifications.

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
Capacitance @ Vr, F	80	pF @ 4V, 1MHz
Package / Case	SOD-123H	—
Operating Temperature - Junction	-55 to 150	°C
Technology	Schottky	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution eligibility for the SS115LS RVG 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: Maximum forward voltage must equal 900 mV at 1 A
Reverse Leakage: Maximum reverse leakage current must equal 50 µA at 150 V
Package Type: Surface mount SOD-123H package required
Technology: Schottky diode technology
Operating Temperature Range: Junction temperature range -55°C to 150°C
Compliance: ROHS3 compliance required

Substitute parts are grouped into two categories: parametric equivalents from the same manufacturer with identical electrical specifications, and parametric equivalents from alternative manufacturers meeting all electrical and package requirements.

Parameter Comparison

Parameter	SS115LS RVG (Main)	SS115LSH (TSC)	S115FP (onsemi)
Manufacturer	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	onsemi
Voltage - DC Reverse (Vr) (Max)	150 V	150 V	150 V
Current - Average Rectified (Io)	1 A	1 A	1 A
Voltage - Forward (Vf) (Max) @ If	900 mV @ 1 A	900 mV @ 1 A	900 mV @ 1 A
Speed	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA
Current - Reverse Leakage @ Vr	50 µA @ 150 V	50 µA @ 150 V	50 µA @ 150 V
Capacitance @ Vr, F	80 pF @ 4V, 1MHz	80 pF @ 4V, 1MHz	32 pF @ 4V, 1MHz
Package / Case	SOD-123H	SOD-123H	SOD-123H
Operating Temperature - Junction	-55°C to 150°C	-55°C to 150°C	-55°C to 150°C
Product Status	Active	Active	Not For New Designs
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Qualification	—	AEC-Q101	AEC-Q101
Packaging Type	Bulk	Tape & Reel (TR)	Tape & Reel (TR)

Engineering Selection Recommendations

SS115LSH (Taiwan Semiconductor Corporation) is the primary parametric equivalent. This part maintains identical electrical specifications to the SS115LS RVG across all critical parameters including voltage rating, current rating, forward voltage, reverse leakage, and capacitance. The SS115LSH carries AEC-Q101 automotive qualification and is supplied in Tape & Reel packaging. Product status is Active, confirming ongoing manufacturer support and availability for new designs.

S115FP (onsemi) is a secondary parametric equivalent that meets all core electrical requirements with one exception: capacitance is specified at 32 pF rather than 80 pF at the same measurement conditions. This part carries AEC-Q101 automotive qualification but is designated as Not For New Designs, indicating the manufacturer has discontinued active support. Selection of S115FP should be limited to legacy system maintenance or where existing design validation has been completed.

For new design implementations, SS115LSH is the recommended substitute due to Active product status and identical parametric specifications. For applications requiring automotive-grade qualification, both SS115LSH and S115FP satisfy AEC-Q101 requirements, though SS115LSH remains the preferred choice based on product lifecycle status.

Frequently Asked Questions (FAQ)

Q: Can SS115LSH be used as a direct replacement for SS115LS RVG?

A: Yes. SS115LSH is a parametric equivalent with identical electrical specifications across all critical parameters: 150 V reverse voltage, 1 A average rectified current, 900 mV forward voltage at 1 A, 50 µA reverse leakage at 150 V, and 80 pF capacitance. Both parts use SOD-123H surface mount packaging and operate across -55°C to 150°C junction temperature range. The primary difference is packaging format: SS115LS RVG is supplied in bulk, while SS115LSH is supplied in Tape & Reel format.

Q: What is the significance of the capacitance difference between SS115LSH and S115FP?

A: SS115LSH specifies 80 pF capacitance at 4 V and 1 MHz, while S115FP specifies 32 pF at identical measurement conditions. This parameter difference may affect circuit performance in high-frequency applications where junction capacitance influences switching behavior or signal integrity. Applications sensitive to capacitive loading should verify compatibility with the lower capacitance value of S115FP before substitution.

Q: Why is S115FP marked as Not For New Designs?

A: S115FP carries a Not For New Designs product status designation from onsemi, indicating the manufacturer has transitioned this part to end-of-life status and does not recommend its use in new circuit designs. This part remains available for existing applications and legacy system support but should not be selected for new development projects.

Q: Are all three parts ROHS3 compliant?

A: Yes. SS115LS RVG, SS115LSH, and S115FP are all ROHS3 compliant and carry unlimited moisture sensitivity level (MSL 1), confirming compatibility with lead-free manufacturing processes and standard storage conditions.

Q: Do the automotive-qualified parts offer advantages over the standard SS115LS RVG?

A: SS115LSH and S115FP both carry AEC-Q101 automotive qualification, indicating they have undergone additional qualification testing for automotive applications. The SS115LS RVG does not list automotive qualification. Selection between qualified and non-qualified parts depends on application requirements and end-use environment specifications.

Q: What packaging considerations apply when substituting these parts?

A: SS115LS RVG is supplied in bulk packaging, while SS115LSH and S115FP are supplied in Tape & Reel format. Tape & Reel packaging is standard for automated assembly processes and offers advantages in high-volume production environments. Bulk packaging may be preferred for manual assembly or low-volume applications. Electrical performance is identical regardless of packaging format.

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