Beta
QT Brightek Corporation manufactures surface mount and through-hole LEDs, LED displays, optocouplers, and infrared devices, serving customers worldwide from their San Francisco Bay Area headquarters with comprehensive optoelectronics solutions.
Parts that are not part of a series
Company background and product focus
QT Brightek (QTB) Corporation is a leading manufacturer and distributor of optoelectronic components, headquartered in the San Francisco Bay Area with sales, marketing, and field application support throughout the Americas, Europe, and Asia. The company provides comprehensive LED and optoelectronics solutions for diverse applications.
QT Brightek's product families include:
With a focus on innovation and quality, QT Brightek continues to develop compact, high-performance LED solutions like the QBLP1515 Series featuring ultra-small 1.5x1.5mm form factors.
© 2026 Zenode. All rights reserved.
Product families from QT Brightek (QTB)
| Series | Category | Parts | Status | Description |
|---|---|---|---|---|
| Series | Category | Parts | Status | Description |
|---|---|---|---|---|
| LED Dot Matrix and Cluster | 2 | Active | ||
| LED Dot Matrix and Cluster | 1 | Active | ||
| Optoelectronics | 1 | Active | ||
| Optoelectronics | 3 | Active | ||
| Optoelectronics | 2 | Active | ||
| Optoelectronics | 1 | Active | ||
| LED Dot Matrix and Cluster | 1 | Active | ||
| Optocouplers, Optoisolators | 1 | Active | ||
| Optoelectronics | 2 | Active | ||
| LED Character and Numeric | 1 | Active |
Parts from QT Brightek (QTB) that are not part of a series
| Part Information | Pricing (lowest) | Input Type | Current - Output / Channel | Current - DC Forward (If) (Max) | Mounting Type | Current Transfer Ratio (Min) | Voltage - Isolation | Turn Off Time (Typ) | Turn On Time (Typ) | Operating Temperature (Min) | Operating Temperature (Max) | Number of Channels | Output Type | Voltage - Forward (Vf) (Typ) | Package Name | Voltage - Output (Max) | Package Length | Package Width | Current Transfer Ratio (Max) | Data Rate | Common Mode Transient Immunity (Min) | Propagation Delay tpHL (Max) | Propagation Delay tpLH (Max) | Fall Time (Typ) | Rise Time (Typ) | Inputs - Side 1 | Inputs - Side 2 | Voltage - Supply | Size / Dimension Height | Size / Dimension Length | Size / Dimension Width | Rows | Configuration | Columns | Color | Internal Connection | Millicandela Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 QT Brightek (QTB) OPTOISO 5KV TRANS W/BASE 8-DIP | Sign in to see pricing | DC | 8 mA | 25 mA | Through Hole | 7 % | 5000 Vrms | 350 ns | 350 ns | -55 °C | 100 °C | 1 | Transistor with Base | 1.45 V | 8-DIP | 20 V | 0.3 in | 7.62 mm | 50 % | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
QT Brightek (QTB) OPTOISO 5KV TRANS W/BASE 8-DIP | Sign in to see pricing | DC | 8 mA | 25 mA | Through Hole | 19 % | 5000 Vrms | 350 ns | 350 ns | -55 °C | 100 °C | 1 | Transistor with Base | 1.45 V | 8-DIP | 20 V | 0.3 in | 7.62 mm | 50 % | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
QT Brightek (QTB) OPTOISO 5KV OPEN COLLECTOR 8-DIP | Sign in to see pricing | DC | 50 mA | 50 mA | Through Hole | — | 5000 Vrms | — | — | -55 °C | 85 °C | 1 | Open Collector | 1.4 V | 8-DIP | — | 0.3 in | 7.62 mm | — | 10 Mbps | 5 kV/µs | 75 ns | 75 ns | 10 ns | 37 ns | 1 | 0 | 7 V | — | — | — | — | — | — | — | — | — |
QT Brightek (QTB) OPTOISO 5KV DARL W/BASE 8-DIP | Sign in to see pricing | DC | 60 mA | 25 mA | Through Hole | 500 % | 5000 Vrms | 15 µs | 4.8 µs | -55 °C | 100 °C | 1 | Darlington with Base | 1.4 V | 8-DIP | 18 V | 0.3 in | 7.62 mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
 QT Brightek (QTB) 1.2" 5X7 DOT MATRIX ANODE COLUMN | Sign in to see pricing | — | — | — | — | — | — | — | — | — | — | — | — | 3 V | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.33 in | 1.25 in | 0.9 in | 5 | 5, 5 x 7, 7 | 7 | Blue | Common Anode Column, Common Cathode Row | 160 mcd |
QT Brightek (QTB) 0.7" 5X7 DOT MATRIX ANODE COLUMN | Sign in to see pricing | — | — | — | — | — | — | — | — | — | — | — | — | 2.1 V | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.25 in | 0.7 in | 0.5 in | 5 | 5, 5 x 7, 7 | 7 | Yellow-Green | Common Anode Column, Common Cathode Row | 20 mcd |
QT Brightek (QTB) 0.7" 5X7 DOT MATRIX ANODE COLUMN | Sign in to see pricing | — | — | — | — | — | — | — | — | — | — | — | — | 3.2 V | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.25 in | 0.7 in | 0.5 in | 5 | 5, 5 x 7, 7 | 7 | Green | Common Anode Column, Common Cathode Row | 200 mcd |
QT Brightek (QTB) 0.7" 5X7 DOT MATRIX ANODE COLUMN | Sign in to see pricing | — | — | — | — | — | — | — | — | — | — | — | — | 2 V | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.25 in | 0.7 in | 0.5 in | 5 | 5, 5 x 7, 7 | 7 | Red | Common Anode Column, Common Cathode Row | 60 mcd |
QT Brightek (QTB) 0.7" 5X7 DOT MATRIX ANODE COLUMN | Sign in to see pricing | — | — | — | — | — | — | — | — | — | — | — | — | 2 V | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.25 in | 0.7 in | 0.5 in | 5 | 5, 5 x 7, 7 | 7 | Red | Common Anode Column, Common Cathode Row | 30 mcd |
QT Brightek (QTB) 0.7" 5X7 DOT MATRIX ANODE COLUMN | Sign in to see pricing | — | — | — | — | — | — | — | — | — | — | — | — | 2 V | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.25 in | 0.7 in | 0.5 in | 5 | 5, 5 x 7, 7 | 7 | Yellow | Common Anode Column, Common Cathode Row | 60 mcd |