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Replaceable Electrical Parts
1780R-Series Service Manual
8–31
Replaceable electrical parts list (cont.)
Component
number
Mfr. part numberMfr. codeName & description
Serial no.
discont’d
Serial no.
effective
Tektronix
part number
A2Q514 151–0619–00 TRANSISTOR,SIG:BIPOLAR,NPN,35V,20MA,
SUPERMATCHED DUAL,LM394H/MAT02FH,TO–78
27014 LM394BH
A2Q518 151–0711–00 TRANSISTOR,SIG:BIPOLAR,NPN,25V,50MA,
650MHZ,AMPLIFIER,MPSH10,TO–92 BEC
04713 MPSH10
A2Q519 151–0711–00 TRANSISTOR,SIG:BIPOLAR,NPN,25V,50MA,
650MHZ,AMPLIFIER,MPSH10,TO–92 BEC
04713 MPSH10
A2Q520 151–0711–00 TRANSISTOR,SIG:BIPOLAR,NPN,25V,50MA,
650MHZ,AMPLIFIER,MPSH10,TO–92 BEC
04713 MPSH10
A2Q521 151–0711–00 TRANSISTOR,SIG:BIPOLAR,NPN,25V,50MA,
650MHZ,AMPLIFIER,MPSH10,TO–92 BEC
04713 MPSH10
A2Q544 151–0915–00 TRANSISTOR,PWR:BIPOLAR,NPN,300V,100MA,
60MHZ,AMPLIFIER,BF471,TO–126
0LUA3 BF471
A2Q547 151–0188–00 TRANSISTOR,SIG:BIPOLAR,PNP,40V,200MA,
250MHZ,AMPLIFIER,2N3906,TO–92 EBC
04713 2N3906
A2Q550 151–0188–00 TRANSISTOR,SIG:BIPOLAR,PNP,40V,200MA,
250MHZ,AMPLIFIER,2N3906,TO–92 EBC
04713 2N3906
A2Q555 151–0915–00 TRANSISTOR,PWR:BIPOLAR,NPN,300V,100MA,
60MHZ,AMPLIFIER,BF471,TO–126
0LUA3 BF471
A2Q573 151–0221–00 B030472 TRANSISTOR,SIG:BIPOLAR,PNP,12V,80MA,
SWITCHING,MPS4258,TO–92 EBC
04713 MPS4258(EL8345)
A2Q573 151–0199–05 B030473 TRANSISTOR,SIG:BIPOLAR,PNP,12V,80MA,
SWITCHING,MPS3640,TO–92 EBC
04713 MPS3640
A2Q583 151–0190–00 TRANSISTOR,SIG:BIPOLAR,NPN,40V,200MA,
300MHZ,AMPLIFIER,2N3904,TO–92 EBC
04713 2N3904
A2Q584 151–0190–00 TRANSISTOR,SIG:BIPOLAR,NPN,40V,200MA,
300MHZ,AMPLIFIER,2N3904,TO–92 EBC
04713 2N3904
A2Q589 151–0190–00 TRANSISTOR,SIG:BIPOLAR,NPN,40V,200MA,
300MHZ,AMPLIFIER,2N3904,TO–92 EBC
04713 2N3904
A2Q611 151–0719–00 TRANSISTOR,SIG:BIPOLAR,PNP,20V,50MA,
600MHZ,AMPLIFIER,MPSH81,TO–92 BEC
04713 MPSH81
A2Q619 151–0719–00 TRANSISTOR,SIG:BIPOLAR,PNP,20V,50MA,
600MHZ,AMPLIFIER,MPSH81,TO–92 BEC
04713 MPSH81
A2Q625 151–0719–00 TRANSISTOR,SIG:BIPOLAR,PNP,20V,50MA,
600MHZ,AMPLIFIER,MPSH81,TO–92 BEC
04713 MPSH81
A2Q626 151–0711–00 TRANSISTOR,SIG:BIPOLAR,NPN,25V,50MA,
650MHZ,AMPLIFIER,MPSH10,TO–92 BEC
04713 MPSH10
A2Q628 151–0198–00 TRANSISTOR,SIG:BIPOLAR,NPN,15V,50MA,
600 MHZ,AMPLIFIER,MPS918,TO–92 EBC
04713 MPS918
A2Q630 151–0719–00 TRANSISTOR,SIG:BIPOLAR,PNP,20V,50MA,
600MHZ,AMPLIFIER,MPSH81,TO–92 BEC
04713 MPSH81
A2Q635 151–0211–00 TRANSISTOR,SIG:BIPOLAR,NPN,30V VCEO,55V
VCBO,400MA,500MHZ,AMPLIFIER,2N3866,TO–39
04713 2N3866
*ATTACHED PARTS*
214–1291–00 HEAT SINK,SEMIC:TRANSISTOR/IC,TO–5/TO–39,
RADIAL,PRESS–ON,0.72” DIA,SILVER–BEARING
COPPER W/BLACK
05820 207SB