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The Toshiba 2SK3320-BL(TE85L,F) is a silicon N-channel junction field-effect transistor (JFET) designed for low noise audio amplifier applications. It features an ultra super mini five-pin package containing two devices. The BL suffix indicates a drain current classification of 6.0 to 14.0 mA. Key electrical characteristics include a high forward transfer admittance of 15 mS typical, a gate-drain breakdown voltage of -50 V, and a super low noise figure of 1.0 dB at 1 kHz. The device offers high input impedance with a maximum gate-source cut-off current of -1 nA.
Verify the specific ordering suffix matches the required drain current classification, as the BL designation corresponds to a defined IDSS range. Confirm the package type and pin assignment align with the design schematic. Ensure compliance with environmental directives such as RoHS before finalizing procurement specifications.
Select this component when designing circuits requiring minimal noise contribution from the initial amplification stage. The dual configuration allows for balanced differential inputs within a compact footprint. Consider the absolute maximum ratings for thermal management and ensure the operating conditions remain within the specified junction temperature limits.
This part belongs to Toshiba's lineup of silicon N-channel junction field-effect transistors specifically engineered for analog signal processing. The 2SK3320 series provides matched pairs in a single package to facilitate precise circuit balancing. It serves as a specialized alternative to discrete JFETs where size constraints and noise performance are critical design factors.
Direct replacements must match the five-pin package outline and electrical parameters. Verify that substitute components offer comparable noise figures and forward transfer admittance to maintain circuit performance integrity.
The 'BL' suffix specifies the Drain Current (IDSS) classification, which ranges from 6.0 to 14.0 mA under standard test conditions.
The package contains two independent JFET devices configured in a single ultra super mini five-pin housing.
The typical noise figure is 1.0 dB when measured at VDS = 10 V, RG = 1 kΩ, ID = 0.5 mA, and f = 1 kHz.