Overview
The 2SK3557-6-TB-EX is an N-Channel Junction Field-Effect Transistor (JFET) produced by onsemi. This device is designed for high-frequency and low-noise amplifier applications, making it suitable for various electronic systems requiring high performance and minimal noise. The 2SK3557 features an ultrasmall-sized package, specifically the SOT-23 (SC-59/CP3) package, which allows for compact and efficient circuit designs.
Key Specifications
| Parameter | Symbol | Conditions | Ratings | Unit |
|---|---|---|---|---|
| Drain-to-Source Voltage | VDS | Ta = 25°C | 15 | V |
| Gate-to-Drain Voltage | VGDS | Ta = 25°C | -15 | V |
| Gate Current | IG | Ta = 25°C | 10 | mA |
| Drain Current | ID | Ta = 25°C | 50 | mA |
| Allowable Power Dissipation | PD | Ta = 25°C | 200 | mW |
| Junction Temperature | Tj | 150 | °C | |
| Storage Temperature | Tstg | -55 to +150 | °C | |
| Gate Cutoff Current | IGSS | VGS = -10 V, VDS = 0 V | -1.0 | nA |
| Cutoff Voltage | VGS(off) | VDS = 5 V, ID = 100 μA | -0.3 to -1.5 | V |
| Drain Current (IDSS) | IDSS | VDS = 5 V, VGS = 0 V | 10 to 32 | mA |
| Forward Transfer Admittance | |yfs| | VDS = 5 V, VGS = 0 V, f = 1 kHz | 24 to 35 | mS |
| Input Capacitance | Ciss | VDS = 5 V, VGS = 0 V, f = 1 MHz | 10.0 | pF |
| Reverse Transfer Capacitance | Crss | VDS = 5 V, VGS = 0 V, f = 1 MHz | 2.9 | pF |
| Noise Figure | NF | VDS = 5 V, Rg = 1 kΩ, ID = 1 mA, f = 1 kHz | 1.0 | dB |
Key Features
- Large Forward Transfer Admittance: The 2SK3557 offers a high forward transfer admittance, which is crucial for high-frequency and low-noise amplifier applications.
- Small Input Capacitance (Ciss): With a small input capacitance, this JFET minimizes the impact on the input signal, ensuring high fidelity and low distortion.
- Ultrasmall-sized Package: The SOT-23 (SC-59/CP3) package allows for compact circuit designs, making it ideal for space-constrained applications.
- Ultralow Noise Figure: The device features an ultralow noise figure, which is essential for applications requiring minimal noise and high signal integrity.
Applications
- AM Tuner RF Amplification: The 2SK3557 is suitable for use in AM tuner RF amplification due to its high frequency and low noise characteristics.
- Low Noise Amplifier: It is widely used in low noise amplifier applications where minimal noise and high signal quality are critical.
Q & A
- What is the maximum drain-to-source voltage for the 2SK3557?
The maximum drain-to-source voltage (VDS) is 15 V. - What is the typical forward transfer admittance of the 2SK3557?
The typical forward transfer admittance is 35 mS. - What is the package type of the 2SK3557?
The package type is SOT-23 (SC-59/CP3). - What are the typical applications of the 2SK3557?
The typical applications include AM tuner RF amplification and low noise amplifiers. - What is the maximum allowable power dissipation for the 2SK3557?
The maximum allowable power dissipation (PD) is 200 mW. - What is the junction temperature range for the 2SK3557?
The junction temperature range is up to 150°C. - What is the storage temperature range for the 2SK3557?
The storage temperature range is -55°C to +150°C. - What is the noise figure of the 2SK3557?
The noise figure (NF) is typically 1.0 dB at specific conditions. - How is the 2SK3557 classified in terms of IDSS?
The 2SK3557 is classified by IDSS as follows: Rank 6 (10 to 20 mA) and Rank 7 (16 to 32 mA). - Is the 2SK3557 a Pb-Free device?
Yes, the 2SK3557 is a Pb-Free device.
