Back to Top
ULN2803A Octal NPN Darlington Pair, 500 mA 50 V HFE:1000, 18-Pin PDIP
Description:
- The ULN2803A is an octal (eight-channel) NPN Darlington transistor array intended for high-current, high-voltage applications.
- This integrated circuit includes eight NPN Darlington pairs in a single package, each capable of driving loads up to 500mA and withstanding voltages up to 50 V.
- It is perfect for connecting low-level logic circuits like TTL, CMOS, or PMOS/NMOS with higher power devices like lamps, relays, and motors since each pair of transistors has a high current gain of 1000.
- The ULN2803A comes in an 18-pin PDIP package, making it simple to incorporate into a variety of systems.
- The ULN2803A integrated circuit is designed to easily drive high currents and voltages thanks to its Darlington pair arrangement.
- The built-in clamp diodes safeguard against voltage spikes when driving inductive loads, assuring stable performance.
- This IC is suited for a wide range of applications, including operating relays, lamps, motors, and other high-power devices using low-level logic signals.
Specifications:
- Transistor Type: Octal NPN Darlington Pair.
- Package Type: 18-pin PDIP (Plastic Dual In-line Package).
- Number of Channels: 8.
- Collector-Emitter Voltage (VCE): 50V.
- Maximum Collector Current (IC): 500mA.
- Current Gain (HFE): 1000.
- Clamp Diode Voltage: 50V.
- Input Voltage Range: 2V to 30V.
- Output Saturation Voltage (VCE(sat)): 1.1V.
- Quiescent Current: 1.6 mA (per channel).
- Operating Temperature Range: -40°C to 85°C.
- Power Dissipation: 1.0 W.
- Noise Immunity: High.
- Input Protection: Clamp Diodes.
Write Your Own Review