S215FA Schottky Diode Equivalent & Substitute Parts

Part Overview

The S215FA is a 150V, 2A Schottky rectifier diode manufactured by onsemi in SOD-123FA surface mount packaging. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. The diode is qualified to AEC-Q101 automotive standards and features fast recovery characteristics suitable for high-frequency switching applications. Due to its obsolescence status, identification of equivalent and substitute parts is necessary for ongoing production support, maintenance, and design continuity in existing applications.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	150	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 2 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	100	µA @ 150 V
Technology	Schottky	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55°C ~ 150°C	°C
Grade	Automotive	—
Qualification	AEC-Q101	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the S215FA is determined by matching the following critical electrical and mechanical parameters:

Electrical Matching Criteria:

Voltage - DC Reverse (Vr) (Max): 150 V
Current - Average Rectified (Io): 2 A
Voltage - Forward (Vf) (Max) @ If: 950 mV @ 2 A (or lower)
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr: ≤ 100 µA @ 150 V

Mechanical Matching Criteria:

Mounting Type: Surface Mount
Operating Temperature - Junction: -55°C to 150°C (minimum)
Grade: Automotive
Qualification: AEC-Q101

Package Compatibility: Substitutes are grouped into two categories based on package type:

SOD-123W/SOD-123FA Package Group: Direct mechanical and electrical equivalents with identical or compatible surface mount footprints
DO-219AB Package Group: Functionally equivalent but with different package geometry; requires PCB layout modification

Substitutes meeting all electrical parameters and automotive qualification are classified as parametric equivalents. Parts with similar electrical performance but different package types are classified as similar alternatives requiring design review.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max)	Io	Vf (Max) @ If	Reverse Leakage @ Vr	Package / Case	Product Status	AEC-Q101	Operating Temp (Junction)
S215FA	onsemi	150 V	2 A	950 mV @ 2 A	100 µA @ 150 V	SOD-123W	Not For New Designs	Yes	-55°C ~ 150°C
NRVBS215FA	onsemi	150 V	2 A	950 mV @ 2 A	100 µA @ 150 V	SOD-123W	Not For New Designs	Yes	-55°C ~ 150°C
SS215LW	Taiwan Semiconductor Corporation	150 V	2 A	950 mV @ 2 A	10 µA @ 150 V	SOD-123W	Active	No	-55°C ~ 150°C
SS215LWH	Taiwan Semiconductor Corporation	150 V	2 A	950 mV @ 2 A	10 µA @ 150 V	SOD-123W	Active	No	-55°C ~ 150°C
PMEG150G20ELRX	Nexperia USA Inc.	150 V	2 A	850 mV @ 2 A	30 nA @ 150 V	SOD-123W	Obsolete	No	-40°C ~ 175°C
V2FM15-M3/H	Vishay General Semiconductor - Diodes Division	150 V	2 A	1.46 V @ 2 A	50 µA @ 150 V	DO-219AB	Active	No	-40°C ~ 175°C

Engineering Selection Recommendations

Parametric Equivalents (Direct Substitutes):

NRVBS215FA (onsemi) is a parametric equivalent to S215FA, offering identical electrical specifications and automotive AEC-Q101 qualification. Both parts share the same SOD-123W package footprint and operating temperature range. This substitute is suitable for direct replacement in existing designs without PCB modification.

SS215LW and SS215LWH (Taiwan Semiconductor Corporation) are parametric equivalents meeting all electrical specifications with identical package geometry. Both parts are in active production status, providing long-term availability. These substitutes feature lower reverse leakage current (10 µA versus 100 µA), which may improve circuit performance. However, these parts do not carry AEC-Q101 automotive qualification; their use in automotive applications requires design review and qualification assessment.

Similar Alternatives (Package Modification Required):

PMEG150G20ELRX (Nexperia USA Inc.) meets electrical specifications with superior forward voltage characteristics (850 mV versus 950 mV at 2 A) and significantly lower reverse leakage (30 nA). The part is classified as obsolete, limiting long-term availability. The SOD-123W package is mechanically compatible with S215FA.

V2FM15-M3/H (Vishay General Semiconductor) is an active production Schottky diode meeting voltage and current specifications. The DO-219AB package requires PCB layout modification and is not mechanically interchangeable with S215FA. Forward voltage is higher (1.46 V at 2 A), which may affect circuit efficiency. This part is suitable only when package change is acceptable and thermal performance is verified.

Compliance Considerations:

All listed substitutes comply with RoHS3 and REACH requirements. The S215FA, NRVBS215FA, SS215LW, and SS215LWH all feature MSL 1 (Unlimited) moisture sensitivity, indicating no special handling requirements. Selection should prioritize parts with active production status for long-term supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can NRVBS215FA replace S215FA directly without PCB modification?

A: Yes. NRVBS215FA is a parametric equivalent with identical electrical specifications, package geometry (SOD-123W), and automotive AEC-Q101 qualification. Direct substitution on existing PCBs is supported.

Q: What is the difference between SS215LW and SS215LWH?

A: Both parts are parametric equivalents with identical electrical specifications and package type. The designation difference reflects manufacturing or packaging variants from Taiwan Semiconductor Corporation. Both are suitable substitutes for S215FA from an electrical standpoint.

Q: Why do SS215LW and SS215LWH lack AEC-Q101 qualification?

A: These parts are manufactured by Taiwan Semiconductor Corporation and do not carry automotive qualification. Use in automotive applications requires independent qualification or design review to confirm suitability for the specific application environment.

Q: Can PMEG150G20ELRX be used as a substitute?

A: PMEG150G20ELRX meets electrical specifications and uses the same SOD-123W package. However, it is classified as obsolete, which limits availability for future production. The part features superior electrical characteristics (lower forward voltage and reverse leakage) but should be evaluated for long-term supply chain viability.

Q: Is V2FM15-M3/H compatible with existing S215FA PCB layouts?

A: No. V2FM15-M3/H uses the DO-219AB package, which has different mechanical dimensions and footprint compared to the SOD-123W package of S215FA. PCB layout modification is required. Additionally, the higher forward voltage (1.46 V at 2 A) may affect circuit performance and thermal characteristics.

Q: What are the key electrical differences between S215FA and its substitutes?

A: The primary differences are reverse leakage current and forward voltage. PMEG150G20ELRX offers the lowest reverse leakage (30 nA) and forward voltage (850 mV), improving efficiency. SS215LW and SS215LWH provide lower reverse leakage (10 µA) than S215FA (100 µA). V2FM15-M3/H has higher forward voltage (1.46 V), which increases power dissipation.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitutes comply with RoHS3 and REACH requirements. MSL ratings are 1 (Unlimited) for all parts, indicating no special moisture handling is required.

Q: Which substitute offers the best long-term availability?

A: SS215LW and SS215LWH are in active production status, providing the best long-term availability. NRVBS215FA is also available but shares the "Not For New Designs" status with S215FA. PMEG150G20ELRX is obsolete and should not be selected for new applications requiring extended supply.

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