Eight Darlington Array 500mA 50V DIP18
Bipolar (BJT) Transistor Array 8 NPN Darlington 50V 500mA 2.25W Through Hole 18-DIP
Manufacturer: STMicroelectronics
Win Source Part Number: 038473-ULN2801A
Packaging: Tube/Rail
Mounting: Through Hole
Transistor Polarity: 8 NPN Darlington
Categories: Discrete Semiconductor Products
Status: Active
Temperature Range - Operating: -20°C to 150°C (TJ)
Case / Package: 18-DIP
Maximum Current Collector: 500mA
VCEO Maximum Collector-Emitter Breakdown Voltage: 50V
Max Vce (sat): 1.6V @ 500μA, 350mA
Typical Gain (hFE) (Min): 1000 @ 350mA, 2V
Maximum Power Dissipation: 2.25W
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 40 pct.
Supply and Demand Status: Balance
8-Ch NPN Darlington Array, 50V, 500mA, DIP Product overview: ULN2801A from STMicroelectronics is a Bipolar Transistor for signal amplification, switching, driver stages, discrete power control, and general electronic circuit design. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 50V, 500mA, DIP. Search-friendly keywords include transistor, BJT, switching, amplification, 50V, 500mA, DIP, Bipolar Transistor, Bipolar Transistor Arrays. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 277-ULN2801A can be used for catalog matching and distributor lookup.
TRANS 8NPN DARL 50V 0.5A 18DIP
TRANS 8NPN DARL 50V 0.5A 18DIP
Bipolar (BJT) Array Transistor, Darlington, NPN, 50 V, 2.25 W, 500 mA, 1000, DIP RoHS Compliant: Yes
STMICROELECTRONICS ULN2801A Bipolar Transistor Array, Darlington, NPN, 50 V, 2.25 W, 500 mA, 1000 hFE, DIP
POWER BIPOLAR TRANSISTOR, 0.5A I(C), 8-ELEMENT, NPN, SILICON, PLASTIC/EPOXY, DIP-18. FREE 2 YEAR RADWELL WARRANTY
Darlington Transistors Eight NPN Array
Darlington Array, 1 W (Max.) Power Dissipation
| RS Components, Ltd. | DigiKey | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | ODG (Origin Data Global) | Shenzhen Shengyu Electronics Technology Limited | Newark, An Avnet Company | Utmel Electronic Limited | Radwell International | VAST STOCK CO., LIMITED | Allied Electronics, Inc. | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Product Category | Darlington Transistors | Transistors | Transistors | Bipolar RF Transistors | Bipolar RF Transistors | Bipolar RF Transistors | Bipolar RF Transistors | Bipolar RF Transistors | RF Transistors | Darlington Transistors | Transistors |
| Product Number | 1688977 | 497-2354-5-ND | 038473-ULN2801A | 277-ULN2801A | ULN2801A | ULN2801A | 26M4669 | 761-ULN2801A | 8333182 | ULN2801A | 70013594 |
| Product Name | Darlington Pairs | Bipolar Transistor Arrays | TRANSISTORS - Transistors (BJT) - Arrays - ULN2801A | 50V 500mA DIP Bipolar Transistor | Bipolar Transistor Arrays | Discrete Semiconductor Products - Transistors - Bipolar (BJT) | Bipolar (Bjt) Array Transistor, Darlington, Npn, 50 V, 2.25 W, 500 Ma, 1000, Dip Rohs Compliant Stmicroelectronics | STMICROELECTRONICS ULN2801A Bipolar Transistor Array, Darlington, NPN, 50 V, 2.25 W, 500 mA, 1000 hFE, DIP | Transistor | Darlington Transistors | TRANSISTOR; 1W DISSIPATION |
| Package Type | Dip | "18-DIP (0.300"", 7.62mm)" | SOT3; 18-DIP | 18-DIP (0.300", 7.62mm) | TO-3 | DIP-18 | |||||
| Number of units in IC | 8 | 8 | |||||||||
| Polarity | NPN | NPN; 8 NPN Darlington | NPN | 8 NPN Darlington; NPN | NPN | NPN; NPN | |||||
| IC(max) | 500 milliamps | 500 milliamps | 500 milliamps | 500 milliamps | |||||||
| VCEO | 50 volts | 50 volts | 50 volts | 50 volts |
