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  2. TO-5 - Wikipedia

    en.wikipedia.org/wiki/TO-5

    The tab is located 45° from pin 1, which is typically the emitter. The typical TO-5 package has a base diameter of 8.9 mm (0.35 in), a cap diameter of 8.1 mm (0.32 in), a cap height of 6.3 mm (0.25 in). [1] The pins are isolated from the package by individual glass-metal seals, or by a single resin potting.

  3. TO-18 - Wikipedia

    en.wikipedia.org/wiki/TO-18

    The typical TO-18 metal can package has a base diameter of 5.6 mm (0.22 in), a cap diameter of 4.70 mm (0.185 in), a cap height of 4.83 mm (0.190 in). [1] The tab is located 45° from pin 1, which is typically the emitter. The lead diameter is nominally 0.45 mm (0.018 in).

  4. Multiway switching - Wikipedia

    en.wikipedia.org/wiki/Multiway_switching

    A "4-way" (intermediate) switch is a purpose built double pole, double throw (DPDT) switch, internally wired in manufacture to reverse the connections between the input and output and having only four external terminals. This switch has two pairs of "traveler" terminals that it connects either straight through, or crossed over (transposed, or ...

  5. List of sensors - Wikipedia

    en.wikipedia.org/wiki/List_of_sensors

    Wheel speed sensor; Airbag sensors; Automatic transmission speed sensor; Brake fluid pressure sensor; Camshaft position sensor (CMP) Cylinder Head Temperature gauge; Engine crankcase pressure sensor; Exhaust gas temperature sensor; Fuel level sensor; Fuel pressure sensor; Knock sensor; Light sensor; MAP sensor; Mass airflow sensor; Oil level ...

  6. Position sensor - Wikipedia

    en.wikipedia.org/wiki/Position_sensor

    A position sensor is a sensor that detects an object's position. A position sensor may indicate the absolute position of the object (its location) or its relative position (displacement) in terms of linear travel, rotational angle or three-dimensional space. Common types of position sensors include the following: Capacitive displacement sensor

  7. Whistleblower questions delays and mistakes in way EPA ... - AOL

    www.aol.com/news/whistleblower-questions-delays...

    Whistleblower questions delays and mistakes in way EPA used sensor plane after fiery Ohio derailment. JOSH FUNK. May 14, 2024 at 6:08 PM.

  8. TO-252 - Wikipedia

    en.wikipedia.org/wiki/TO-252

    Power MOSFET (Advanced Power Electronics AP9870GH) TO-252, also known as DPAK [1] or Decawatt Package, is a semiconductor package developed by Motorola [2] for surface mounting on circuit boards. [3]

  9. Four-way valve - Wikipedia

    en.wikipedia.org/wiki/Four-way_valve

    The four-way valve or four-way cock is a fluid control valve whose body has four ports equally spaced round the valve chamber and the plug has two passages to connect adjacent ports. The plug may be cylindrical or tapered, or a ball.