The UMT3904 is an NPN silicon transistor in the SOT-323 package, designed for general-purpose switching and audio frequency small signal amplification. It has a collector-emitter voltage rating of 40 V and a maximum collector current of 200 mA. The device dissipates up to 200 mW of power and operates with a junction temperature up to 150 ℃. The collector-base breakdown voltage is 60 V, and the emitter-base breakdown voltage is 6 V. DC current gain ranges from 30 to 300 depending on collector current. The transition frequency is 300 MHz. The package measures 1.8 mm × 1.35 mm, with a height of 0.95 mm. The device is marked for surface-mount assembly and supplied in a 180 mm reel with 8 mm tape width, packed at 3000 units per reel.
Various products are available in lineup developed focusing on energy-saving and high reliability as main concepts, covering from ultra-compact packages to power-packages to meet the needs in market.
Various products are available in lineup developed focusing on energy-saving and high reliability as main concepts, covering from ultra-compact packages to power-packages to meet the needs in market.
NPN General Purpose Transistor Product overview: UMT3904 from ROHM Semiconductor 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 key electrical ratings, package details, and application requirements. Search-friendly keywords include transistor, BJT, switching, amplification, Bipolar Transistor, Single Bipolar Transistors. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 276-UMT3904 can be used for catalog matching and distributor lookup.
Manufacturer: Rohm Semiconductor
Win Source Part Number: 1277330-UMT3904
Manufacturer Homepage: www.rohm.com
Popularity: Medium
Fake Threat In the Open Market: 67 pct.
Supply and Demand Status: Sufficient
| ROHM Semiconductor GmbH | ROHM Semiconductor USA, LLC | ERSAELECTRONICS PTE. LTD. | Win Source Electronics | |
|---|---|---|---|---|
| Product Category | Transistors | Transistors | Bipolar RF Transistors | RF Transistors |
| Product Number | UMT3904 | UMT3904 | 276-UMT3904 | 1277330-UMT3904 |
| Product Name | NPN, SOT-323, 40V 200mA, Switching Transistor | NPN Switching Transistor | Bipolar Transistor | TRANSISTORS - Transistors (BJT) - Single - UMT3904 |
| Polarity | NPN | NPN |
