The PT2124 is a fan controller housed in a 16‑pin plastic DIP and uses CMOS technology. It offers a 3‑state speed control output, a toggle output for swing‑head control, a 4‑step timer scale, and a 2‑second middle‑wind start‑up feature.
The document includes pin configuration, block diagrams, application circuits for both resistive and capacitive power supplies, absolute maximum ratings, electrical characteristics, and ordering information for the various PT2124 variants.
| Supply voltage | -0.3~6 V |
|---|---|
| Input voltage range | -0.3~Vcc+0.3 V |
| Output voltage range | -0.3~Vcc+0.3 V |
| Power consumption | 300 mW |
| Operating temperature range | -10~70 °C |
| Storage temperature range | -40~125 °C |
The PT2124 operates with a supply voltage from –0.3 V up to 6 V.
It includes a 4‑step timer scale, a 2‑second middle‑wind start‑up, and optional timer levels such as 2 hr, 4 hr, and 8 hr.
The device is rated for an operating temperature range of –10 °C to 70 °C.
The PT2124 consumes up to 300 mW of power.