The MMBTA42 is a 300V NPN bipolar junction transistor in an SOT-23 package, designed for medium power amplification and switching applications. It has a continuous collector current rating of 500 mA and a power dissipation of 300 mW. The device features a collector-emitter breakdown voltage of 300 V, a DC current gain (hFE) ranging from 25 to 40 at collector currents of 1 mA to 30 mA, and a collector-emitter saturation voltage of up to 0.5 V at 20 mA collector current. The SOT-23 case measures 2.9 mm in length and is rated for operation from -55°C to +150°C. It is qualified to AEC-Q101 standards and is RoHS compliant with a UL 94V-0 flammability rating. The part has a thermal resistance of 417 °C/W and an electrostatic discharge rating of 4,000 V under the human body model. The device is lead-free and marked with a "K3M" code for identification.
Trans GP BJT NPN 300V 0.5A 300mW 3-Pin SOT-23 Product overview: MMBTA42 from Diodes Incorporated 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 300V, 0.5A, 300mW, SOT-23. Search-friendly keywords include transistor, BJT, switching, amplification, 300V, 0.5A, 300mW, SOT-23, 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-MMBTA42 can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 276-MMBTA42 |
| Product Name | 300V 0.5A 300mW SOT-23 Bipolar Transistor |
| IC(max) | 500 milliamps |
