ULN2803ADWR 原装 达林顿晶体管阵列
The ULN2803A device is a 50 V, 500 mA Darlington transistor array. The device consists of eight NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads.
The collector-current rating of each Darlington pair is 500 mA. The Darlington pairs may be connected in parallel for higher current capability. Applications include relay drivers, hammer drivers, lamp drivers, display drivers (LED and gas discharge), line drivers, and logic buffers.
The ULN2803A device has a 2.7-kΩ series base resistor for each Darlington pair for operation directly with TTL or 5-V CMOS devices.
ULN2803ADWR 原装 达林顿晶体管阵列 的技术参数：
晶体管类型 | 8 NPN 达林顿 |
电流 - 集电极 (Ic)（max） | 500mA |
电压 - 集射极击穿（max） | 50V |
不同 Ib、Ic 时 Vce 饱和压降（max） | 1.6V @ 500μA，350mA |
工作温度 | -40°C ~ 85°C（TA） |
安装类型 | 表面贴装型 |
封装/外壳 | 18-SOIC（0.295"，7.50mm 宽） |
供应商器件封装 | 18-SOIC |
安装类型 | 表面贴装型 |
ULN2803ADWR 原装 达林顿晶体管阵列 的特性：
500-mA-Rated Collector Current
(Single Output)
High-Voltage Outputs: 50 V
Output Clamp Diodes
Inputs Compatible With Various Types of Logic
ULN2803ADWR 原装 达林顿晶体管阵列 的应用：
Relay Drivers
Hammer Drivers
Lamp Drivers
Display Drivers (LED and Gas Discharge)
Line Drivers
Logic Buffers
Stepper Motors
IP Camera
HVAC Valve and LED Dot Matrix
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