产品概览
The onsemi NUD4700SNT1G is an LED shunt protector that provides automatic current bypass when an LED in a series string fails open-circuit. Designed for 1W LEDs (350mA @ 3V), it features a breakdown voltage of 5.5V-7.5V, 1V on-state voltage, and AEC-Q101 qualification in a POWERMITE package.
主要规格
| Breakdown Voltage | 5.5V min, 7.5V max |
| On-State Voltage | 1.0V typ @ 350mA |
| Off-State Current | 100µA typ, 250µA max |
| Holding Current | 6mA typ |
| Latching Current | 35mA typ |
| Average On-State Current | 1.3A (on 1sq pad) |
| Peak Off-State Voltage | -0.3V to 10V |
| 工作温度 | -40°C to +150°C (TJ) |
| 包装 | POWERMITE (DO-216AA, 2.05×2.18×1.15mm) |
特点
- Simple two-terminal device
- Automatic reset if LED self-heals or is replaced
- Low 1V on-state voltage
- Off-state current < 250µA
- AEC-Q101 qualified (SZ prefix variant)
- Pb-free, halogen-free, RoHS compliant
应用
- LED headlight open-circuit protection
- High-reliability LED string protection
- Lighthouse, bridge, aircraft LED lighting
- Crowbar protection for open-circuit conditions