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U557 - Current Regulator Diode

Download the U557 datasheet PDF. This datasheet also covers the U556 variant, as both devices belong to the same current regulator diode family and are provided as variant models within a single manufacturer datasheet.

General Description

The 50V InterFET U556 and U557 JFET’s are targeted for current regulation and limiting applications.

The TO-18 package is hermetically sealed and suitable for military applications.

Key Features

  • InterFET N0016H Geometry.
  • Low Noise: 5 nV/√Hz Typical.
  • Low Capacitance: 2pF Typical.
  • RoHS Compliant.
  • SMT, TH, and Bare Die Package options.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (U556-InterFET.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number U557
Manufacturer InterFET
File Size 475.49 KB
Description Current Regulator Diode
Datasheet download datasheet U557 Datasheet

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Other Datasheets by InterFET

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U555 Current Regulator Diode
U556 Current Regulator Diode

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
InterFET Product Folder Technical Support Order Now U556-7 U556, U557 Current Regulator Diode Features • InterFET N0016H Geometry • Low Noise: 5 nV/√Hz Typical • Low Capacitance: 2pF Typical • RoHS Compliant • SMT, TH, and Bare Die Package options. Applications • Current Regulation • Current Limiting • Biasing Description The 50V InterFET U556 and U557 JFET’s are targeted for current regulation and limiting applications. The TO-18 package is hermetically sealed and suitable for military applications. Anode N/C 2 Cathode TO-18 Bottom View 3 1 Product Summary Parameters VOP Peak Operating Voltage IF Regulator Current VL Limiting Voltage U556 Min U557 Min Unit 50 50 V 2.4 3.6 mA 0.75 (typ) 1.