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U309 |
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| Part Number | U309 |
| Manufacturer | Fairchild Semiconductor |
| Description | . |
| Features | . |
| Datasheet |
 U309 Data Sheet
PDF 196.11KB |
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U309 |
| Part Number | U309 |
| Manufacturer | Vishay |
| Title | N-Channel JFETs |
| Description | The J/SST/U308 series offers superb amplification characteristics. Of special interest is its high-frequency pe. |
| Features | D Excellent High Frequency Gain: Gps 11.5 dB @ 450 MHz D Very Low Noise: 2.7 dB @ 450 MHz D Very Low Distortion D High ac/dc Switch Off-Isolation BENEFITS D Wideband High Gain D Very High System Sensitivity D High Quality of Amplification D High-Speed Switching Capability D High Low-Level Signal Amplification APPLICATIONS D High-Frequency Amplifier/Mixer D Oscillator D Sample-and-Hold D Very Low. |
U309 |
| Part Number | U309 |
| Manufacturer | Motorola |
| Title | JFET VHF/UHF AMPLIFIER |
| Description | U308 U309 U310 MAXIMUM RATINGS Rating Drain-Source Voltage Gate-Source Voltage Gate Current Total Device Dissipation (& T/ = 25°C Derate above 25°C Operating and Storage Junction Temperature Range Symbol VDS vgs •q Pd TJ. Tstg Value 25 25 20 500 4.0 - 65 to + 1 50 Unit Vdc Vdc mAdc mW mW/°C °C . |
| Features | . |
U309 |
| Part Number | U309 |
| Manufacturer | InterFET |
| Title | N-Channel JFET |
| Description | The -25V InterFET U308 and U309 are targeted for higher gain VHF amplifiers, mixers, and oscillators. Gate leakages are typically less than 10pA at room temperatures. Gate/Case Drain 2 Source TO-52 Bottom View 3 1 Source 1 Drain 2 SOT23 Top View 3 Gate TO-92 Bottom View Gate 3 Drain 2 Source 1. |
| Features |
• InterFET N0072L Geometry • Low Noise: 2 nV/√Hz Typical • Low Ciss: 4pF Typical • RoHS Compliant • SMT, TH, and Bare Die Package options. Applications • Mixers • Oscillators • VHF/UHF Amplifiers Description The -25V InterFET U308 and U309 are targeted for higher gain VHF amplifiers, mixers, and oscillators. Gate leakages are typically less than 10pA at room temperatures. Gate/Case Drain 2 Source. |
U309 |
| Part Number | U309 |
| Manufacturer | Siliconix |
| Title | n-channel JFET |
| Description | n-channel JFETs designed for • • • H Performance Curves NZA See Section 4 • VHF Amplifiers • Front End High Sensitivity Amplifiers • Oscillators • Mixers BENEFITS • I ndustry Standard • High Power Gain 16 dB at 105 MHz, Common-Gate 11 dB at 450 MHz, Common-Gate • Low Noise 2.7 dB Noise Figure at . |
| Features |
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Gate Reverse Current
Gate-Source Breakdown Voltage Gate-Source Cutoff Voltage Saturation Drain Current (Note 1f Gate-Source Forward Voltage Common-Gate Forward Transconductance (Note 1) Common-Gate Output Conductance Drain-Gate Capacitance Gate ·Source Capacitance Equivalent Short Circuit Input Noise Voltage Common-Gate Forwa. |
U309 |
| Part Number | U309 |
| Manufacturer | National Semiconductor |
| Title | N-Channel JFET |
| Description | The U308 thru U310 series of N-channel JFETs is VHF designed for amplifier, oscillator and mixer applica- Absolute Maximum Ratings (25°o Gate-Drain or Gate-Source Voltage Gate Current Total Power Dissipation Power Derating Storage Temperature Range Lead Temperature (1/16" from case for 10 secon. |
| Features | - 10 mA 9fg 9ogs G P9 Drain Gate Capacitance Gate-Source Capacitance Equivalent Short-Circuit Input Noise Voltage Common-Gate Forward Transconductance Common-Gate Output Conductance Common-Gate Power Gain V DS - 10V, V GS = -10V V DS = 10V, D l - 10mA V D S" 10V, D l - 10mA f = 450 MH; f - 100 MHz Notel: Pulse test duration = 2 ms. 4-42 . |
U309 |
| Part Number | U309 |
| Manufacturer | Micross |
| Title | Amplifier |
| Description | U309 N-CHANNEL JFET Linear Systems replaces discontinued Siliconix U309 The U309 is a high frequency n-channel JFET offering a wide range and low noise performance. The hermetically sealed TO-18 package is well suited for high reliability and harsh environment applications. (See Packaging Informati. |
| Features | DIRECT REPLACEMENT FOR SILICONIX U309 OUTSTANDING HIGH FREQUENCY GAIN LOW HIGH FREQUENCY NOISE ABSOLUTE MAXIMUM RATINGS @ 25°C1 Gpg = 11.5dB NF = 2.7dB Maximum Temperatures Storage Temperature ‐55°C to +150°C High Power Low Noise gain Operating Junction Temperature ‐55°C to +135°C Dynamic Range greater than 100dB Maximum Power Dissipation Easily matched to 75Ω input Continuou. |
U309 |
| Part Number | U309 |
| Manufacturer | Calogic LLC |
| Title | N-Channel JFET High Frequency Amplifier |
| Description | N-Channel JFET High Frequency Amplifier CORPORATION U308 – U310 FEATURES ABSOLUTE MAXIMUM RATINGS (TA = 25oC unless otherwise specified) Gate-Drain or Gate-Source Voltage . . . . . . . . . . . . . . . . -25V Gate Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA Storage. |
| Features | ABSOLUTE MAXIMUM RATINGS (TA = 25oC unless otherwise specified) Gate-Drain or Gate-Source Voltage . . . . . . . . . . . . . . . . -25V Gate Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA Storage Temperature . . . . . . . . . . . . . . . . . . . -65oC to +200oC Operating Temperature Range . . . . . . . . . . . -55oC to +150oC Lead Temperature (Soldering, 10sec) . . .. |
| No. | Parte # | Fabricante | Descripción | Hoja de Datos |
|---|---|---|---|---|
| 1 | U304 |
Siliconix |
p-channel JFET |
|
| 2 | U305 |
Siliconix |
p-channel JFET |
|
| 3 | U306 |
Intersil Corporation |
(U304 - U306) P-CHANNEL JFET SWITCH |
|
| 4 | U306 |
Siliconix |
p-channel JFET |
|
| 5 | U3079M |
Telefunken Microelectronics |
(U308x) Display Driver |
|
| 6 | U308 |
InterFET |
N-Channel JFET |
|
| 7 | U308 |
Motorola |
JFET VHF/UHF AMPLIFIER |
|
| 8 | U308 |
Calogic LLC |
N-Channel JFET High Frequency Amplifier |
|
| 9 | U308 |
National Semiconductor |
N-Channel JFET |
|
| 10 | U308 |
Micross |
Amplifier |
|
Desde 2024. D4U Semiconductor.
|