QT Brightek (QTB) QT851
MPNQT851
Active
4 PIN HIGH POWER PHOTOTRANSISTOR
$1.22Ref. price · indicative, final on quote
Packaging4-DIP (0.300", 7.62mm)
RoHSROHS3 Compliant
SeriesOptocoupler
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | Optocoupler |
| Input type | DC |
| Output type | Transistor |
| Mounting | Through Hole |
| Voltage - isolation | 5000Vrms |
| Voltage - output | 350V |
| Voltage - forward (Vf) | 1.2V |
| Current - output (Channel) | 100mA |
| Current transfer ratio | 600% @ 5mA |
| Current - DC forward (If) | 80 mA |
| Operating temperature | -55°C ~ 100°C |
| Package | Tube |
| Case | 4-DIP (0.300\", 7.62mm) |
| Channels | 1 |
| Vce saturation | 400mV |
| Rise (Fall time) | 6µs, 8µs |