Specifications
| Attribute | Value |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | PowerTrench® |
| Part Status | Obsolete |
| FET Type | P-Channel |
| Technology | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 30 V |
| Current - Continuous Drain(Id) @ 25°C | 5.3A (Ta) |
| Drive Voltage(Max Rds On Min Rds On) | 4.5V, 10V |
| Rds On(Max) @ Id Vgs | 50mOhm @ 5.3A, 10V |
| Vgs(th)(Max) @ Id | 3V @ 250µA |
| Gate Charge(Qg)(Max) @ Vgs | 23 nC @ 10 V |
| Vgs(Max) | ±20V |
| Input Capacitance(Ciss)(Max) @ Vds | 690 pF @ 15 V |
| Power Dissipation (Max) | 2.5W (Ta) |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 8-SOIC |
Overview
Description
The SI9435DY is a P-channel MOSFET from Vishay Siliconix, designed for power management applications. Key features include:
- Voltage Rating: -30V
- Current Rating: -7.5A (continuous)
- Low On-Resistance (RDS(on)): 36mΩ (max at VGS = -10V)
- Gate Threshold (VGS(th)): -1V to -2.5V
- Fast Switching Speed
It is commonly used in load switching, DC-DC converters, and battery protection circuits due to its efficiency and compact SO-8 package. The low gate drive requirement makes it suitable for low-voltage control circuits.
For detailed specs, refer to the datasheet.
- Voltage Rating: -30V
- Current Rating: -7.5A (continuous)
- Low On-Resistance (RDS(on)): 36mΩ (max at VGS = -10V)
- Gate Threshold (VGS(th)): -1V to -2.5V
- Fast Switching Speed
It is commonly used in load switching, DC-DC converters, and battery protection circuits due to its efficiency and compact SO-8 package. The low gate drive requirement makes it suitable for low-voltage control circuits.
For detailed specs, refer to the datasheet.
Pinout
The SI9435DY is a dual P-channel MOSFET in an 8-pin SOIC package.
Pin Functions:
- Pins 1, 2, 3 (Drain 1, Drain 2, Drain 3): Connected to the drains of the two MOSFETs.
- Pin 4 (Gate 2): Control input for the second MOSFET.
- Pins 5, 6, 7 (Source 1, Source 2, Source 3): Common source connections.
- Pin 8 (Gate 1): Control input for the first MOSFET.
Key Features:
- 30V drain-source voltage (VDS)
- Low on-resistance (RDS(on))
- Dual independent P-channel MOSFETs
Used in power switching, load management, and battery protection circuits.
Pin Functions:
- Pins 1, 2, 3 (Drain 1, Drain 2, Drain 3): Connected to the drains of the two MOSFETs.
- Pin 4 (Gate 2): Control input for the second MOSFET.
- Pins 5, 6, 7 (Source 1, Source 2, Source 3): Common source connections.
- Pin 8 (Gate 1): Control input for the first MOSFET.
Key Features:
- 30V drain-source voltage (VDS)
- Low on-resistance (RDS(on))
- Dual independent P-channel MOSFETs
Used in power switching, load management, and battery protection circuits.
Manufacturer
The SI9435DY is a P-channel MOSFET manufactured by Vishay Intertechnology, a leading global semiconductor and electronic components company.
Vishay specializes in discrete semiconductors (diodes, MOSFETs, optoelectronics) and passive components (resistors, capacitors, inductors). Known for high-quality, reliable products, Vishay serves industries like automotive, industrial, computing, and consumer electronics.
The SI9435DY is commonly used in power management, load switching, and battery protection applications due to its low on-resistance and efficiency.
Vishay specializes in discrete semiconductors (diodes, MOSFETs, optoelectronics) and passive components (resistors, capacitors, inductors). Known for high-quality, reliable products, Vishay serves industries like automotive, industrial, computing, and consumer electronics.
The SI9435DY is commonly used in power management, load switching, and battery protection applications due to its low on-resistance and efficiency.
Application
The SI9435DY is a P-channel MOSFET commonly used in:
1. Power Management – Switching regulators, load switches.
2. Battery Protection – Reverse polarity protection in portable devices.
3. DC-DC Converters – Efficient power conversion in automotive and industrial systems.
4. Motor Control – Driving small motors in consumer electronics.
5. Load Switching – Power distribution in embedded systems.
Its low on-resistance (RDS(on)) and high current handling make it suitable for compact, energy-efficient designs.
1. Power Management – Switching regulators, load switches.
2. Battery Protection – Reverse polarity protection in portable devices.
3. DC-DC Converters – Efficient power conversion in automotive and industrial systems.
4. Motor Control – Driving small motors in consumer electronics.
5. Load Switching – Power distribution in embedded systems.
Its low on-resistance (RDS(on)) and high current handling make it suitable for compact, energy-efficient designs.
Package
The SI9435DY is packaged in a SOIC-8 (Small Outline Integrated Circuit) type. This surface-mount package has 8 pins and is commonly used for power MOSFETs, offering a compact footprint and good thermal performance. The "DY" suffix typically denotes the package variant.
