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Equivalent & Substitute Parts for SS315F-HF
Part Overview
The Comchip Technology SS315F-HF is a Schottky diode in the Diodes, Rectifiers category, designed for surface mount applications in a DO-214AC (SMA) or SMAF package. It supports up to 150 V DC reverse voltage, 3A average rectified current, and features fast recovery characteristics. The product status is active with inventory available. It is essential to identify alternative models to ensure supply chain resilience, maintain compliance requirements, and enable prompt replacement during design or inventory shortage scenarios.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | SS315F-HF |
| Category | Diodes, Rectifiers |
| Technology | Schottky |
| Voltage - DC Reverse (Vr) (Max) | 150 V |
| Current - Average Rectified (Io) | 3A |
| Voltage - Forward (Vf) (Max) @ If | 950 mV @ 3 A |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) |
| Current - Reverse Leakage @ Vr | 300 µA @ 150 V |
| Mounting Type | Surface Mount |
| Package / Case | DO-214AC, SMA |
| Supplier Device Package | SMAF |
| Operating Temperature - Junction | -55°C ~ 150°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitutes for SS315F-HF are valid when they match key parameters: Schottky technology, maximum reverse voltage of 150 V, average rectified current of 3A, forward voltage of 950 mV @ 3 A, fast recovery characteristics, surface mount configuration, package type DO-214AC (SMA), and compliance status (RoHS3, MSL 1). Comparative selection is based strictly on these provided electrical and mechanical parameters to ensure functional, mechanical, and regulatory compatibility.
Parameter Comparison
| Parameter | SS315F-HF | SK315A |
|---|---|---|
| Manufacturer Part Number | SS315F-HF | SK315A |
| Manufacturer | Comchip Technology | Taiwan Semiconductor Corporation |
| Category | Diodes, Rectifiers | Diodes, Rectifiers |
| Technology | Schottky | Schottky |
| Voltage - DC Reverse (Vr) (Max) | 150 V | 150 V |
| Current - Average Rectified (Io) | 3A | 3A |
| Voltage - Forward (Vf) (Max) @ If | 950 mV @ 3 A | 950 mV @ 3 A |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Current - Reverse Leakage @ Vr | 300 µA @ 150 V | 100 µA @ 150 V |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | DO-214AC, SMA | DO-214AC, SMA |
| Operating Temperature - Junction | -55°C ~ 150°C | -55°C ~ 150°C |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
Both SS315F-HF and SK315A maintain active product status, ROHS3 compliance, and MSL 1 (Unlimited) classification. These factors confirm suitability for direct substitution regarding supply chain requirements, environmental compliance, and inventory management within the Diodes, Rectifiers category.
Frequently Asked Questions (FAQ)
Q1: What determines equivalency when selecting a substitute Schottky diode?
Equivalency is established by matching Schottky technology, voltage rating, current rating, forward voltage, speed, package type, RoHS status, and MSL rating.
Q2: Are SS315F-HF and SK315A pin-compatible and mechanically interchangeable?
Both parts use the DO-214AC (SMA) package for surface mount applications, ensuring mechanical interchangeability and compatibility in assembly.
Q3: Is there any regulatory compliance difference between SS315F-HF and SK315A?
Both diodes are ROHS3 compliant and rated MSL 1 (Unlimited), supporting standard industry environmental and handling regulations.
Q4: Can different reverse leakage currents affect substitution?
Reverse leakage current values are specified for each part. Selection should consider the specified value in the application context according to provided parameters.
Q5: What is important when switching between different suppliers for Diodes, Rectifiers in surface mount applications?
Key considerations are matching core electrical parameters, package type, compliance status, and mounting configuration as listed in the provided comparison.
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