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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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SMD top codes ?
sorry don't know the SOT package numbers, did look but not found
Perhaps voltage regulator or bucky controllers BJSQ 5 pin , size of body area, 2.8 x 1.5mm same physical type but top code JAPL JB 1G (number one not I) 4 pin on perhaps a pass transistor, size of body 4.3x 2.4mm |
#2
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SMD top codes ?
N_Cook wrote: sorry don't know the SOT package numbers, did look but not found Perhaps voltage regulator or bucky controllers BJSQ 5 pin , size of body area, 2.8 x 1.5mm same physical type but top code JAPL JB 1G (number one not I) 4 pin on perhaps a pass transistor, size of body 4.3x 2.4mm http://www.marsport.org.uk/smd/mainframe.htm -- You can't have a sense of humor, if you have no sense! |
#3
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SMD top codes ?
N_Cook wrote in message
... sorry don't know the SOT package numbers, did look but not found Perhaps voltage regulator or bucky controllers BJSQ 5 pin , size of body area, 2.8 x 1.5mm same physical type but top code JAPL JB 1G (number one not I) 4 pin on perhaps a pass transistor, size of body 4.3x 2.4mm The BJSQ is ohmic and heating up loading down the 9V battery. 4 actual pins 0V, 9V, an output that should be about 1.5V less than an external reference voltage of 5V applied to the fourth pin. If no info found I will try an LM317 and a couple of resistors to set at 3.5V . |
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