# ULN2803A STMicroelectronics | Discrete Semiconductor Products | DigiKey

**Manufacturer:** STMicroelectronics  
**MPN:** `ULN2803A`

The ULN2803A is a Darlington NPN transistor array from STMicroelectronics. It has a maximum collector-emitter voltage of 50V and a current gain of 1000. The device is packaged in an 18-pin PDIP tube and has a maximum power dissipation of 2250mW.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | STMicroelectronics |
| Manufacturer name | STMicroelectronics |
| Manufacturer | STMicroelectronics, ST MICROELECTRONICS, STMICROELECTRONICS |
| Extra Product Name | ULN2803A STMicroelectronics \| Discrete Semiconductor Products \| DigiKey |
| atoms | 1 |
| moq | 1 |
| MPN | ULN2803A |
| multiple | 1 |
| qtyInStock | 4552 |
| SKU | 497-2356-5-ND |
| tierMinQty1 | 1 |
| tierMinQty2 | 10 |
| tierMinQty3 | 25 |
| tierMinQty4 | 100 |
| tierMinQty5 | 250 |
| tierMinQty6 | 500 |
| tierMinQty7 | 1,000 |
| tierMinQty8 | 2,500 |
| tierMinQty9 | 5,000 |
| tierPrice1 | 1.19000 |
| tierPrice2 | 1.06800 |
| tierPrice3 | 1.01320 |
| tierPrice4 | 0.77810 |
| tierPrice5 | 0.68760 |
| tierPrice6 | 0.65142 |
| tierPrice7 | 0.50666 |
| tierPrice8 | 0.48133 |
| tierPrice9 | 0.46323 |
| Part Number | ULN2803A |
| Product Group | BISS |
| Category | Discrete Semiconductor Products |
| Mfr | STMicroelectronics |
| Series | - |
| Package | Tube |
| Part Status | - |
| Transistor Type | 8 NPN Darlington |
| Current - Collector (Ic) (Max) | 500mA |
| Voltage - Collector Emitter Breakdown (Max) | 50V |
| Vce Saturation (Max) @ Ib, Ic | 1.6V @ 500?A, 350mA |
| Current - Collector Cutoff (Max) | - |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 1000 @ 350mA, 2V |
| Power - Max | 2.25W |
| Frequency - Transition | - |
| Operating Temperature | -20?C ~ 150?C (TJ) |
| Mounting Type | Through Hole |
| Package / Case | 18-DIP (0.300", 7.62mm) |
| Supplier Device Package | 18-DIP |
| ASIN | B00418TIK0, B00M1H1KZO, B00M1H1NGK, B00M1H1TL4, B00M1H1VJY, B00MMZBTHY, B00MMZBVHC, B00MMZC1ZI, B07346Y82M, B07ND4GH3V |
| AdultProduct | False |
| Amount | 20.10 |
| Asin | B00418TIK0, B00M1H1KZO, B00M1H1NGK, B00M1H1TL4, B00M1H1VJY, B00M1H1YAU, B00MMZBTHY, B00MMZBVHC, B00MMZC1ZI, B07346Y82M, B07ND4GH3V |
| Autographed | False |
| Batteries_included | False |
| Batteries_required | False |
| Binding | Electronics |
| Brand | STMicroelectronics, Stmicroelectronics |
| Bullet_point | 0.5A Max DC Collector Current, 50V Collector-Emitter Voltage, InputVoltage: 30 V, NPN Transistor Polarity, NumberofArrays: 8, OutputCurrent: 500 mA, OutputVoltage: 50 V, Polarity: NPN, ULN2803A Darlin |
| Case | 1, 10, 100, 16, 20, 25, 5, 50, 500 |
| Cat | Industrial & Scientific |
| CatId | 16310091 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Digi-Key | 497-2356-5-ND | 1.19 | 1 | 4552 | 1 |
| Newark | 89K1143 | 1.47 | 1 | 10270 | 1 |
| MCM Electronics | 115-ULN2803A | 0.79 | 1 | None | 1 |
| Newark | 26M4670 | 2.61 | 1 | 168052 | 1 |
| Radwell | ULN2803A |  |  | 312 | 1 |
| Little Diode | ULN2803A | 5.9331285 | 1 | 210 | 1 |
| Future Electronics | 8050872 | 0.555 | 1 | None | 3000 |
| 1Source | ULN2803A |  |  | None | 1 |
| Hotenda | H2037520 | 0.87 | 1 | 4822 | 1 |
| Win Source | ULN2803A |  |  | 1900 | 1 |
| RS Delivers | 168-6833 | 2.601 | 1 | None | 1 |
| TME | ULN2803A |  |  | None | 1 |
| 4 Star Electronics | ULN2803A |  |  | None | 1 |
| AmazonTP | B07ND4GH3V | 44.8 | 1 | None | 1 |
| AmazonSC | B00M1H1TL4 |  |  | None | 1 |
| Digi-Key | 599591 | 2.86 | 1 | None | 1 |
| Mouser | 511-ULN2803A | 1.59 | 1 | 14869 | 1 |
| RS Delivers | 714-1167 | 2.867 | 1 | None | 1 |
| componentsense.com | ULN2803A |  |  | None | 1 |
| st.com | ULN2803A | 2.53 | 1 | None | 1 |
| ebay.com_dockguys | ULN2803A | 106.98 | 1 | None | 1 |
| ebay.com_second-wind-surplus | ULN2803A | 105.94 | 1 | None | 1 |
| ebay.com_kjbindustrial | ULN2803A | 119.98 | 1 | None | 1 |
| ebay.com_hitech-components | ULN2803A | 105.98 | 1 | None | 1 |

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