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6,500 pcs
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6500 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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3,500 pcs
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3500 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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400 pcs
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400 pcs | On Request | 1 | On Request | On Request | 405 | On Request | On Request | |
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178 pcs
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178 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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17 pcs
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17 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The ULN2004A from STMicroelectronics is a versatile Darlington Array IC containing seven open-collector Darlington pairs with common emitters. Each channel is rated for 500 mA continuous output current and can handle peak currents of up to 600 mA, with a maximum output voltage of 50 V.
This device is suitable for driving various loads such as solenoids, relay coils, DC motors, and LED displays. It features integrated suppression diodes for inductive load driving, simplifying circuit design. The inputs are compatible with common logic families including TTL, CMOS, and PMOS, and are positioned opposite the outputs to facilitate board layout.
The ULN2004A is supplied in a standard 16-pin DIP (Dual In-line Package) with through-hole mounting. This package type is common for prototyping and through-hole PCB assemblies. The device operates within a temperature range of -40°C to 85°C (TA).
Key electrical characteristics include a typical HFE gain of 1000 and an inverting input configuration. The outputs can be paralleled for applications requiring higher current capacity. Its design makes it a robust choice for interfacing low-logic signals to high-power loads.
| Qty | Low | High |
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| 1+ | $0.32 | $0.32 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
Each channel of the ULN2004A is rated for 500 mA continuous output current and can withstand peak currents of 600 mA.
The ULN2004A has a maximum output voltage rating of 50 V.
The ULN2004A is supplied in a 16-DIP (Dual In-line Package) with through-hole mounting.
The ULN2004A operates within a temperature range of -40°C to 85°C.
Yes, the ULN2004A includes integrated suppression diodes for inductive load driving.