For Reference Only
| Part Number | QT851 |
| LIXINC Part # | QT851 |
| Manufacturer | QT Brightek |
| Category | Isolators › Optoisolators - Transistor, Photovoltaic Output |
| Description | 4 PIN HIGH POWER PHOTOTRANSISTOR |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | QT851 PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 23 - Jan 27 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | QT851 |
| Brand: | QT Brightek |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Isolators |
| Subcategory: | Optoisolators - Transistor, Photovoltaic Output |
| Manufacturer: | QT Brightek |
| Series: | - |
| Package: | Tube |
| Part Status: | Active |
| Number of Channels: | 1 |
| Voltage - Isolation: | 5000Vrms |
| Current Transfer Ratio (Min): | 50% @ 5mA |
| Current Transfer Ratio (Max): | 600% @ 5mA |
| Turn On / Turn Off Time (Typ): | - |
| Rise / Fall Time (Typ): | 6µs, 8µs |
| Input Type: | DC |
| Output Type: | Transistor |
| Voltage - Output (Max): | 350V |
| Current - Output / Channel: | 100mA |
| Voltage - Forward (Vf) (Typ): | 1.2V |
| Current - DC Forward (If) (Max): | 80 mA |
| Vce Saturation (Max): | 400mV |
| Operating Temperature: | -55°C ~ 100°C |
| Mounting Type: | Through Hole |
| Package / Case: | 4-DIP (0.300", 7.62mm) |
| Supplier Device Package: | 4-DIP |
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| In Stock | 13251 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $1.26000 | $1.26 |
| 10 | $1.02375 | $10.2375 |
| 25 | $0.78750 | $19.6875 |
| 100 | $0.70875 | $70.875 |
| 300 | $0.63000 | $189 |
| 500 | $0.53550 | $267.75 |
| 1000 | $0.44100 | $441 |
| 2500 | $0.41895 | $1047.375 |
| 5000 | $0.40950 | $2047.5 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
Please feel free to contact us for details.