Manufacturer: STMicroelectronics
Win Source Part Number: 048491-ULN2074B
Packaging: Tube/Rail
Mounting: Through Hole
Transistor Polarity: 4 NPN Darlington (Quad)
Categories: Discrete Semiconductor Products
Status: Active
Temperature Range - Operating: -20°C to 85°C (TA)
Case / Package: 16-PowerDIP (20x7.10)
Maximum Current Collector: 1.75A
VCEO Maximum Collector-Emitter Breakdown Voltage: 50V
Max Vce (sat): 1.4V @ 2mA, 1.25A
Maximum Power Dissipation: 1W
Popularity: Medium
Fake Threat In the Open Market: 57 pct.
Supply and Demand Status: Balance
50V 1.5A Quad NPN Darlington Switch, PDIP Product overview: ULN2074B 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 Quad, 50V, 1.5A. Search-friendly keywords include transistor, BJT, switching, amplification, Quad, 50V, 1.5A, 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-ULN2074B can be used for catalog matching and distributor lookup.
Quad Darlington Sw. NPN 50V 1.75A PDIP16
Quad Darlington Sw. NPN 50V 1.75A PDIP16
Quad Darlington Sw. NPN 50V 1.75A PDIP16
Bipolar (BJT) Transistor Array 4 NPN Darlington (Quad) 50V 1.75A 1W Through Hole 16-PowerDIP (20x7.10)
Darlington Transistors 1.5 Amp Quad Switch
TRANS 4NPN DARL 50V 1.75A 16DIP
TRANS 4NPN DARL 50V 1.75A 16DIP
Bipolar (BJT) Array Transistor, Darlington, NPN, 50 V, 1 W, 1.5 A, DIP RoHS Compliant: Yes
| Win Source Electronics | ERSAELECTRONICS PTE. LTD. | RS Components, Ltd. | RS Components, Ltd. | DigiKey | VAST STOCK CO., LIMITED | Shenzhen Shengyu Electronics Technology Limited | ODG (Origin Data Global) | Newark, An Avnet Company | |
|---|---|---|---|---|---|---|---|---|---|
| Product Category | Transistors | Bipolar RF Transistors | Darlington Transistors | Darlington Transistors | Transistors | Darlington Transistors | Bipolar RF Transistors | Bipolar RF Transistors | Bipolar RF Transistors |
| Product Number | 048491-ULN2074B | 277-ULN2074B | 633644 | 633644P | 497-2353-5-ND | ULN2074B | ULN2074B | ULN2074B | 59M3321 |
| Product Name | TRANSISTORS - Transistors (BJT) - Arrays - ULN2074B | Quad 50V 1.5A Bipolar Transistor | Darlington Pairs | Darlington Pairs | Bipolar Transistor Arrays | Darlington Transistors | Discrete Semiconductor Products - Transistors - Bipolar (BJT) | Bipolar Transistor Arrays | Bipolar (Bjt) Array Transistor, Darlington, Npn, 50 V, 1 W, 1.5 A, Dip Rohs Compliant Stmicroelectronics |
| Polarity | NPN; 4 NPN Darlington (Quad) | NPN | NPN | NPN | NPN | 4 NPN Darlington (Quad); NPN | NPN | ||
| Package Type | SOT3; 16-PowerDIP (20x7.10) | Pdip | PDIP | "16-PowerDIP (0.300"", 7.62mm)" | 16-PowerDIP (0.300", 7.62mm) | TO-3 | |||
| IC(max) | 1750 milliamps | 1750 milliamps | 1750 milliamps | ||||||
| VCEO | 50 volts | 50 volts | 50 volts | ||||||
| PD | 1000 milliwatts |
