F494 transistor datasheet booklet

Diodes and transistors pdf 28p this note covers the following topics. It is recommended that transistors not be allowed to operate near these values, lest their lifespan be shortened. The breakdown voltage is where the transistor will stop operating or be destroyed if it is given an input voltage of that amount. For information on the operation and use of transistors in circuits please see the transistor circuits page. Discrete semiconductors data sheet book, halfpage m3d186 bf494. The rca transistors and semiconductor diodes brochure from 1957 contains an introduction on semiconductor physics along with detailed specifications on germanium pnp transistors and a few semiconductor diodes 1n34a, 1n38a, 1n54a, and 1n58a, dimensional outlines, an interchangeability directory, and example. The humble transistor q1 emitter e collector c base b transistor basics emitter to base junction is forward biased normally collector to base junction is reverse biased normally transistors are current operated devices, so. Basic semiconductor physics, diodes, the nonlinear diode model, load line analysis, large signal diode models, offset diode model, transistors, large signal bjt model, load line analysis, small signal model and transistor amplification. Bf495, bf495 datasheet, bf495 npn medium frequency transistor datasheet, buy bf495 transistor. In this case the transistor is designed for low current operation so you need one with a similar gain at 1ma.

Since the distribution of heat in the transistor crystal is not uniform and depends on voltage and. Unless otherwise specified in this data sheet, this product is a standard commercial product and is not intended for use in. Transistors amplify current, for example they can be used to amplify the small output current from a logic ic so that it can operate a lamp, relay or other high current device. Results included in this manual are representative of products stressed, and contain. Fmmt495 diodes incorporated bipolar transistors bjt mouser. The fmmt493 from diode inc is a surface mount, 100v npn medium power transistor in sot23 package.

Fcx493 100v npn silicon planar medium power transistor in sot89 bvceo 100v ic 1a high continuous current low saturation voltage vcesat. Fmmt495ta diodes incorporated discrete semiconductor. The operating characteristics of a transistor are all found on its data sheet. Bf494, bf494 datasheet, bf494 npn medium frequency transistor datasheet, buy bf494 transistor. Tl494d tl494, ncv494 switchmode pulse width modulation control circuit the tl494 is a fixed frequency, pulse width modulation control. Bf495 npn medium frequency transistors book, halfpage m3d186. See detailed ordering and shipping information in the package. If a mica insulation is used, the thermal resistance of the mica washer must be added, which amounts to about 0. Pinning pin description 1 base 2 emitter 3 collector fig. Transistor codes surface mount, pnp, npn, choosing. If its in an rf circuit, then be sure the ft is at least 120mhz, and that it has a low cre. In data sheets and application notes which still contain nxp or philips semiconductors references, use the references to nexperia, as shown. An npn transistor has the base as the middle p layer, and the emitter and collector as the two n layers sandwiching the base.

Pricing and availability on millions of electronic components from digikey electronics. The device is a npn transistor manufactured by using planar technology resulting. Applications hf applications in radio and television receivers fm tuners. The guaranteed minimum value is given because the actual value varies from transistor to transistor even for those of the same type. Transistors are in stock with sameday shipping at mouser electronics from industry leading manufacturers. Im no expert at transistor selection, but i dont see anything in the datasheet that screams out im special. At all electronics we carry a large variety of transistors including darlington transistors, general purpose transistors, jfets, mosfets, phototransistors, triacs, diacs and more. Irf520p to220 nchannel power mosfet rf final and en369dr companion part. Bf494 datasheet, equivalent, cross reference search. In4734 lm1083 104g resistor lm108 100mhz500mhz kh104ai kh104 transistor f45 f4512 text. Note that current gain is just a number so it has no units.

Directions for determining the thermal resistance rths for cooling fins can be found on page 11. Philips f494 transistor, npn medium frequency transistor, package. See detailed ordering and shipping information in the package dimensions section on page 4 of this data. Check out the datasheet, see if you recognize any familiar characteristics.

Fmmt495ta bipolar bjt transistor npn 150v 1a 100mhz 500mw surface mount sot233 from diodes incorporated. Hackster is a community dedicated to learning hardware. The 2n3904 is a really common transistor that we use all the time and the 2n3906 is its pnp sibling. Bc337 bc338 npn epitaxial silicon transistor mouser electronics. Mj15022 silicon power transistors on semiconductor. Fmmt497 silicon planar high voltage high performance.

Bf495 npn medium frequency transistors 1997 jul 08 product specification supersedes data of september 1994 file under discrete semiconductors, sc04 philips semiconductors product specification npn medium frequency transistors bf494. In data sheets and application notes which still contain nxp or philips semiconductors references, use. Typical parameters which may be provided in scillc data sheets andor specifications can. For an npn, the baseemitter behaves as a forwardbiased diode and the basecollector behaves as a reversebiased diode. Npn resistor equipped transistor see simplified outline, symbol and pinning for. The frequency is the the frequency at which the gain drops to 1, as long as the replacement transistor has enough gain at the frequency used in the circuit, it doesnt matter, as a general rule higher is better. Product specification supersedes data of september 1994 file under discrete semiconductors, sc04 1997 jul 08. Contains pinouts for connectors and information about how to build cables etc. Need to know if the part can handle the frequency or give you the. I decided to use ksp2222a to replace the bc548, and mpsh10 for the bf494. F494 datasheet, f494 pdf, f494 data sheet, f494 manual, f494 pdf, f494, datenblatt, electronics f494, alldatasheet, free, datasheet, datasheets, data sheet, datas. Bf495 datasheet, equivalent, cross reference search. Mouser is an authorized distributor for many transistor manufacturers including diodes inc. This page covers practical matters such as precautions when soldering and identifying leads.