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BSS138K
+Lista de MateriaisSMALL SIGNAL FIELD-EFFECT TRANSI
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FabricanteSemiconductor Fairchild
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Peça do Fabricante #BSS138K
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Pacote SOT-23
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Em Estoque4504
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Especificações
| Atributo | Valor |
| Package / Case | Bulk |
| Part Status | Active |
| FET Type | N-Channel |
| Technology | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 50 V |
| Current - Continuous Drain(Id) @ 25°C | 220mA (Ta) |
| Drive Voltage(Max Rds On Min Rds On) | 1.8V, 2.5V |
| Rds On(Max) @ Id Vgs | 1.6Ohm @ 50mA, 5V |
| Vgs(th)(Max) @ Id | 1.2V @ 250µA |
| Gate Charge(Qg)(Max) @ Vgs | 2.4 nC @ 10 V |
| Vgs(Max) | ±12V |
| Input Capacitance(Ciss)(Max) @ Vds | 58 pF @ 25 V |
| Power Dissipation (Max) | 350mW (Ta) |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Supplier Device Package | SOT-23-3 |
Visão Geral
Description
- Low threshold voltage (VGS(th) ~ 1.5V max)
- Low on-resistance (RDS(on) ~ 3.5Ω at VGS=4.5V)
- Small SOT-23 package, ideal for space-constrained designs
- Max drain-source voltage (VDS) of 50V
- Low gate charge, enabling fast switching
Commonly used in load switching, level shifting, and signal routing in portable electronics, IoT devices, and battery-powered systems. Its low gate drive requirements make it compatible with 3.3V/5V logic.
For detailed specs, refer to the datasheet from manufacturers like Diodes Inc., Nexperia, or ON Semiconductor.
Equivalent
- DMN1019USN (Diodes Inc.)
- 2N7002K (ON Semiconductor)
- FDN337N (Fairchild/ON Semi)
- NDS7002A (Fairchild/ON Semi)
- BS138 (similar specs, different package)
Check datasheets for exact compatibility in your circuit.
Features
- Low Threshold Voltage (VGS(th)): ~1.3V (typ.), suitable for low-voltage applications.
- Low On-Resistance (RDS(on)): ~3.5Ω at VGS=4.5V, ensuring efficient switching.
- Small Package (SOT-23): Compact and ideal for space-constrained designs.
- Low Gate Charge (Qg): ~0.8nC, enabling fast switching speeds.
- Voltage Ratings:
- Drain-Source (VDS): 50V
- Gate-Source (VGS): ±20V
- Low Power Consumption: Ideal for battery-powered devices.
- Applications: Load switching, level shifting, and signal amplification in portable electronics, IoT, and logic circuits.
A cost-effective, efficient MOSFET for low-power, high-speed switching.
Pinout
Pin Functions:
1. Gate (G): Controls the switching (input signal).
2. Drain (D): Connects to the load (output).
3. Source (S): Ground/reference terminal.
Key Features:
- Low threshold voltage (suitable for 3.3V/5V logic).
- 60V drain-source voltage (VDS).
- 200mA continuous drain current (ID).
Commonly used for level shifting, load switching, and signal inversion in low-power circuits.
Manufacturer
Headquartered in Nijmegen, Netherlands, Nexperia focuses on efficiency, reliability, and miniaturization, serving industries like automotive, industrial, and consumer electronics. The BSS138K is one of their popular N-channel MOSFETs, widely used for switching and amplification in low-power applications.
Nexperia is known for its high-volume production and stringent quality standards, making it a trusted supplier in the semiconductor market.
Application
1. Low-power switching – Ideal for load switching in portable devices.
2. Logic level conversion – Converts signals between 3.3V and 5V systems.
3. Signal amplification – Used in audio and RF circuits.
4. Battery management – Protects circuits in low-voltage applications.
5. Embedded systems – Found in IoT devices, sensors, and microcontrollers.
Its low threshold voltage (1.5V max) and compact SOT-23 package make it suitable for space-constrained, energy-efficient designs.
