TEKT5400S is a high sensitive silicon NPN epitaxial planar phototransistor in a flat side view plastic package. A small recessed lens provides a high sensitivity in a low profile case. The molded package itself is an IR filter, spectrum matched to IR emitters (λp > 850 nm or 950 nm).
The TEKT5400S is a high‑sensitivity silicon NPN epitaxial planar phototransistor housed in a flat‑side‑view plastic package with an integrated recessed lens that acts as an IR filter matched to emitters above 850 nm. It offers a half‑sensitivity angle of ±37°, daylight filtering, and lead‑free construction compliant with RoHS and WEEE directives.
Typical applications include detectors in electronic control and drive circuits. The document lists absolute maximum ratings, electrical and optical characteristics, package dimensions, and compliance information, along with standard tape‑and‑ammopack handling guidelines.
| Collector‑emitter voltage (VCEO) | 70 V |
|---|---|
| Collector current (IC) | 100 mA |
| Half‑sensitivity angle (ϕ) | ±37° |
| Peak sensitivity wavelength (λp) | 920 nm |
| Storage temperature range | -40 °C to +100 °C |
| Operating temperature range | -40 °C to +85 °C |
The device can withstand up to 70 V between collector and emitter.
Peak sensitivity occurs at approximately 920 nm.
The half‑sensitivity angle is ±37 degrees.