WEITRON. C NPN Transistors. Lead(Pb)-Free. Pb . TO 1. 2. 3. 1. EMITTER. 2. COLLECTOR. 3. BASE. 1/4. Page 1 of 5. Tel: ()-TAITRON () () Fax: ()- TAITFAX () () SMD Transistor (NPN). SMD Transistor. C NPN Transistors. ELECTRICAL CHARACTERISTICS (TA=25 C unless otherwise noted) (Countinued) Characteristics Symbol Min Typ Max Unit.
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This is always low, tranzistor 5V. It’s really not much, 8 buttons, you push one, the lights go on, and a little melody plays. Some of the answers I’ve got tell me this is 2SC, which is then, according to http: Pawel Veselov 1 c9445. The out leg that goes to the speaker doesn’t ever show any voltage, yet its leg that goes to the controller shows different voltage drops I assume that’s the controller “playing” music. Nearly all transistors that are labeled according to the Japanese standard JIS lack the leading “2S”.
The way it broke, as it’s there is no sound. Home Questions Tags Users Unanswered. You apply the 3V via a resistor which takes care of the voltage difference.
There is absolutely no markings on this thing, and it has three legs and black solid body. I was able to replace this transistor with 2N I should’ve been more careful picking the replacement that had the same order of pins, but hey, this was the cheapest one available.
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2SC945 / C945 NPN Transistor
There is a transistor or I think it is for each circuit. Pawel – Vebo – is the reverse base voltage, negative with respect to the emitter. If so, and I were to order a replacement from, say RadioShack, how would I find one that would work?
LVceo means – the minimal collector-emitter voltage to cause a break down is 50V, right?
C Datasheet – Vcbo=60V, A, NPN Transistor
Dormant, controller leg has the same voltage that is coming from the battery, and the “out” leg has nothing on it. Or I don’t understand what “LVceo: There is a single controller, splitting to two circuits, one for diode lights, and another one to a speaker.
On the other hand, they say Vebo is 5V max In most applications not relevant. See here page one for LVceo and some other relevant terms. I was probing both the transistors to see what’s going on when a toy is “activated”. It trnsistor a lot like a 2SCwhose TO92 packaging matches the image you posted.
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