KSD-01F D90C TO-220 (2leg) Code: 13972813

The KSD-01F D90C is a highly sensitive, bimetallic thermal switch and temperature controller used for thermal overload protection and alarming in electronic circuit boards. It automatically trips or resets based on the surrounding heat.

Key Technical Specifications

• Action Temperature:90° C
• Tolerance:± 5° C
• Contact Configuration:

• C. (Normally Closed):Remains closed until the temperature reaches 90° C, at which point it opens to cut off the circuit.
• O. (Normally Open):Remains open, but closes when the temperature exceeds 90° C to turn on a circuit or trigger an alarm.
  • Contact Load Rating:Generally 220V AC/1.5A or 24V DC/3A
  • Form Factor:Compact TO-220 metal backplane
  • Dimensions:7 mm × 10.2 mm × 4.7 mm

Applications & Use Cases

Due to its compact size, the KSD-01F is heavily integrated into space-saving PC boards. Common applications include:

• Overheat shutdown or alarming in computers and peripherals
• Thermal overload protection in power supplies, inverters, and test equipment
• Temperature regulation in medical devices, aircraft, and automotive electronics