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BF851B - N-channel junction FETs

Download the BF851B datasheet PDF. This datasheet also covers the BF851A variant, as both devices belong to the same n-channel junction fets family and are provided as variant models within a single manufacturer datasheet.

General Description

N-channel symmetrical junction field effect transistors in a SOT54 (TO-92) package.

Fig.1 Simplified outline and symbol.

CAUTION The device is supplied in an antistatic package.

Key Features

  • High transfer admittance.
  • Low input capacitance.
  • Low feedback capacitance.
  • Low noise.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (BF851A-Philips.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Philips Semiconductors (now NXP Semiconductors)

Part Number Description
BF851A N-channel junction FETs
BF851C N-channel junction FETs
BF857 NPN high-voltage transistor
BF858 NPN high-voltage transistor
BF870 PNP Transistor

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
DISCRETE SEMICONDUCTORS DATA SHEET BF851A; BF851B; BF851C N-channel junction FETs Product specification File under Discrete Semiconductors, SC07 1995 Apr 14 Philips Semiconductors Philips Semiconductors N-channel junction FETs Product specification BF851A; BF851B; BF851C FEATURES • High transfer admittance • Low input capacitance • Low feedback capacitance • Low noise. APPLICATIONS • Preamplifiers for AM tuners in car radios. handbook, half1pa2ge 3 g MAM042 d s DESCRIPTION N-channel symmetrical junction field effect transistors in a SOT54 (TO-92) package. PINNING - SOT54 (TO-92) PIN SYMBOL DESCRIPTION 1 g gate 2 s source 3 d drain Fig.1 Simplified outline and symbol. CAUTION The device is supplied in an antistatic package.