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BF998 from VISHAY

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15.625ms

BF998

Manufacturer: VISHAY

Silicon N Channel MOSFET Tetrode (Short-channel transistor with high S/C quality factor For low-noise, gain-controlled input stages up to 1 GHz)

Partnumber Manufacturer Quantity Availability
BF998 VISHAY 10000 In Stock

Description and Introduction

Silicon N Channel MOSFET Tetrode (Short-channel transistor with high S/C quality factor For low-noise, gain-controlled input stages up to 1 GHz) The BF998 is a dual-gate N-channel MOSFET manufactured by Vishay. Here are its key specifications:

- **Type**: Dual-Gate N-Channel MOSFET
- **Package**: SOT-143 (4-pin)
- **Drain-Source Voltage (VDS)**: 12 V
- **Gate-Source Voltage (VGS)**: ±8 V
- **Drain Current (ID)**: 30 mA
- **Power Dissipation (Ptot)**: 200 mW
- **Operating Temperature Range**: -55°C to +150°C
- **Gate-Source Cutoff Voltage (VGS(off))**: -0.5 V to -5 V (Gate 1), -0.5 V to -5 V (Gate 2)
- **Forward Transfer Admittance (Yfs)**: 10 mS (typical)
- **Input Capacitance (Ciss)**: 1.5 pF (typical)
- **Reverse Transfer Capacitance (Crss)**: 0.05 pF (typical)
- **Common Applications**: RF amplifiers, mixers, and VHF/UHF circuits.

For exact values, refer to the official Vishay datasheet.

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