The 2N3947 is a bipolar NPN transistor designed for signal amplification and switching applications, housed in a hermetically sealed TO-18 metal package measuring 5.84 mm in diameter and 4.95 mm in height. It has a collector-emitter voltage rating of 40 V and a continuous collector current of 0.2 A, with a power dissipation of 0.36 W and a current gain (hFE) of at least 100 at 10 mA collector current and 1 V collector-emitter voltage. The device operates with a transition frequency of 300 MHz and complies with BS, CECC, JAN, JANTX, JANTXV, and JANS specifications.
Trans GP BJT NPN 40V 0.2A 3-Pin TO-18 Product overview: 2N3947 from TT Electronics 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 40V, 0.2A. Search-friendly keywords include transistor, BJT, switching, amplification, 40V, 0.2A, Bipolar Transistor, Single Bipolar Transistors. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 276-2N3947 can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 276-2N3947 |
| Product Name | 40V 0.2A Bipolar Transistor |
| IC(max) | 200 milliamps |