Keithley SourceMeter 3A 2420 Service Manual page 89

6-6 Replaceable Parts
Table 6-1 (cont.)
Analog board parts list
Circuit designation
Q521
Q522,524,600
Q526,527,530,531
Q532
Q533
R117-128,133-136,141-144
R129,211,224-
229,234237,244,247,281,282
R137-140,145-149
R150,151,389,390,431,432,433,434,5
20,536
R152,291,293
R155,669
R200,201,203,232,238
R202,204,252,255,256,259,260,263,
264,267
R205,310,485,552,667
R207
R210,208
R212
R213
R216,221,274-279,223
R217,500,515
R218
R219,220,222,230,231,373,374,616,
700,701
R240,243,248,251,253,254,257,258,
261,262
R241,242,249,250,653,664
R265,266,311-
317,334,335,337,339,357,366
R268-271,209
Description
TRANSISTOR
TRANS, NPN, MMBT3904
TRANS, N CHANNEL MOSFET,
SI9410DY
TRANS,N-CHANNEL FET,IRF630
TRANS,P-CHANNEL 200V FET,IRF9630
RES, 10K, 5%, 250MW, METAL FILM
RES, 10K, 1%, 100MW, THICK FILM
RES, 10K, 5%, 250MW, METAL FILM
RES, 1K, 1%, 100MW, THICK FILM
RES, 42.7K, .1%, .125W,THIN FILM
RES, 10K, 1%, 100MW, THICK FILM
RESISTOR NETWORK, 10K-10K
RES, 100K, 1%, 100MW THICK FILM
RES, .0499, 1%, 100MW, THICK FILM
RES, 20K, .1%, .125W THIN FILM
RES, 768, 1%, 100MW, THICK FILM
RES, 332, 1%, 100MW, THICK FILM
RES NET 5K, .1%, 668A
RES, 20K, 1%, 100MW THICK FILM
RES, 121K, 1%,100MW, THICK FILM
RES, 80.6K, 1%, 100MW THICK FILM
RES, 49.9K, 1%, 100MW THICK FILM
RES, 4.99K, 1%, 100MW THICK FILM
RES, 140K, 1%, 100MW THICK FILM
RES, 4.99K, 1%, 100MW THICK FILM
RES, 1M, 1%, 100MW, THICK FILM
Keithley
part no.
TG-357
TG-238
TG-302
TG-214
TG-215
R-376-10K
R-418-10K
R-376-10K
R-418-1K
R-456-42.7K
R-418-10K
TF-236
R-418-100K
R-418-.0499
R-456-20K
R-418-768
R-418-332
TF-243-5K
R-418-20K
R-418-121K
R-418-80.6K
R-418-49.9K
R-418-4.99K
R-418-140K
R-418-4.99K
R-418-1M