Just as diodes can be checked with an ohmmeter, so can transistors. Circuit for taking characteristic measurements of point contact or junction transistors 60 44. As prathamesh satardekar has said, 2n2222 is as good as any. Bc147 datasheet, equivalent, cross reference search. Bc173 datasheet, cross reference, circuit and application. The initial 2n identifies the part as a transistor and the rest of the code identifies the particular transistor. Basic transistor and cross reference specification. Most projects will specify a particular transistor, but if necessary you can usually substitute an equivalent transistor. These transistors are utilised in audio frequency, and small signal directly coupled preamplifiers. The complementary npn transistor to the bc558 is the bc548. Text in other languages may differ dimensions whd incl.
The bc549c is an npn transistor belonging to a group of generalpurpose npn semiconductors consisting of bc547, bc548, and bc549. They were created by philips and mullard in 1963 and introduced in april 1966. Initially in metal packages, the range expanded over time to include other package types, higher voltage ratings, and a better selection of gain groupings, as well as complementary pnp types. The complementary npn transistor to the bc556 is the bc546. Bc107 datasheet, equivalent, cross reference search. Australian semiconductor manufacturers transistor history.
The bc107, bc108 and bc109 are generalpurpose low power silicon npn bipolar junction transistors found very often in equipment and electronics books articles from europe, australia and many other. The transistors 2n 3055 serves the function of driving the speaker. Tube bc 158 or rohre bc158 id35406, transistor, wires and audio. Bpe 75 256 pages of cross references and equivalents for european, american and. Semiconductors and the transistors derived from these materials had a limited use in the 1940s. This is where a pnp transistor differs from a npn transistor. Bc558 is a pnp transistor hence the collector and emitter will be closed forward biased when the base pin is held at ground and will be opened reverse biased when a signal is provided to base pin. Bc107 bc108 low noise general purpose audio amplifiers description the bc107 and bc108 are silicon planar epitaxial npn transistors in to18 metal case. Transistors have dozens of parameters and it can be difficult to find a perfectly matching equivalent.
Bc159 datasheet, cross reference, circuit and application notes in pdf format. Bc548 transistor pinout, equivalent, working as amplifier. Single out the parameters most important to you and look up a suitable part using a manufacturers. Bc147 transistor equivalent substitute crossreference search bc147 datasheet pdf 1. Transistors substitutionsequivalents all about circuits. The ducon sft 123 pictured is very similar in appearance to the csf. Transistor codes surface mount, pnp, npn, choosing. Bc148 transistor transistor bc149 npn transistor bc148 bc158 transistor transistor bc118 transistor bc5 transistor. Bc158 datasheet, equivalent, cross reference search. The bc107, bc108 and bc109 are generalpurpose low power silicon npn bipolar junction transistors found very often in equipment and electronics books articles from europe, australia and many other countries from the 1960s. Smallsignal transistors replacement list bc86816 bc868, bc86825 equivalent type bc876 bc878 bc880 bc878 equivalent type bc877 bc879 bcf29 bc857 bcf30 bc857b bcf33 bc847b bcf81.
Bc558 datasheet, equivalent, cross reference search. The capacitor c1 controls low frequencies and capacitor c2 controls high frequencies. Unfortunately existing sound level and vu meters may not show up such artificial. Bc159 datasheet, equivalent, cross reference search. Smd equivalent the smd versions of the bc556 are available as the bc856 sot23 and bc856w sot323. This is in addition to the section on zener regulators in the first chapter. Bc158 cross reference electronic circuits, tv schematics. The function of this semiconductor is pnp transistor. Bc147 datasheet, bc147 pdf, bc147 data sheet, bc147 manual, bc147 pdf, bc147, datenblatt, electronics bc147, alldatasheet, free, datasheet, datasheets, data sheet. They are suitable for use in driver stages, low noise input stages and signal processing circuits of television reveivers.
Transistor semiconductor history texas instruments rca bell laboratories western. The generalpurpose range of transistors is a good substitute for basic noncritical audio applications, as these transistors. Of transistor bc158 datasheet, cross reference, circuit and application notes in pdf format. This literature is subject to all applicable laws and is not for resale in any manner. Transistors base numbers bcxxxx to bdxxxx cricklewood. It depends on exactly what the function of the transistor is, but heaps of transistors will substitute for it in a great many situations. Bc558 pnp transistor complementary npn, replacement. Bc556 pnp transistor complementary npn, replacement. Some part number from the same manufacture micro electronics. Find the pdf datasheet, specifications and distributor information.
Smd equivalent the smd versions of the bc558 are available as the bc858 sot23, bc858w sot323, bc859 sot23 and bc859w sot. Bc147 bc148 bc108 bc109 bc110 transistors sim 300 w bc149 bc148 transistor bc158. Pnp medium power transistor features high current low saturation voltage complement to 2sd882 applications voltage regulation relay driver generic switch audio power amplifier dcdc converter description the device is a pnp transistor. Similar to ss105 but more powerful giving low into 4. A1015 datasheet, a1015 pdf, a1015 data sheet, a1015 manual, a1015 pdf, a1015, datenblatt, electronics a1015, alldatasheet, free, datasheet, datasheets, data sheet. Transistor numberingidentification question qrz forums. Bc148 transistor transistor bc149 npn transistor bc148 bc158 transistor transistor bc118 transistor bc5 transistor bc117 transistor bc148 bc117 transistor text.
Practical transistor circuits for modern test equipment. Hmv used the ax1108 in their portables up to 1968, when they switched to bc158s. Free device maximum ratings rating symbol value unit collector. Bc557 is a pnp transistor hence the collector and emitter will. Bc158 datasheet pnp transistor, pdf, pinout, equivalent, replacement, schematic, manual, data, circuit, parts, datasheet.
Npn silicon planarepitaxial transistor for general purposes. Transistor as bc 158 datasheet, cross reference, circuit and application notes. A particular advantage is the simpler dc base biasing arrangement which may be used with the silicon transistor. Recent listings manufacturer directory get instant. Semiconductor transistor, diode, ic cross reference. Ic cross reference cross reference ci stk cross reference ci tda cross reference ci sharp cross reference hitachi audio ic cross reference and.