4-20 Replaceable Parts
CR303-306,308,309,311,312,319,327-329 DIODE, MBRS140T3 RF-110
CR307,CR310 SCHOTTKY BARRIER DIODE RF-108
CR313 ULTRA FAST BRIDGE RECTIFIER RF-123
CR314 DIODE, BRIDGE PE05 RF-48
CR315 DIODE, SILICON, 53A4 RF-47
CR323,CR324,CR325,CR326 SCHOTTKY DIODE RF-121
CR331 DIODE, BARRIER, MBR745 RF-65
J1007 CONN, HEADER STRAIGHT SOLDER
PIN
CS-368-26
J1009 CONN, HEADER STRAIGHT SOLDER
PIN
CS-368-16
J1010 CONN, MALE, 5-PIN (MOLEX 42491) CS-784-5
J1011 CONNECTOR, MODULES CS-834
L301,L302,L304,L305,L306 CHOKE, EMI CH-57
L303,L311 LINE FILTER CH-85-10
L308,L309 INDUCTOR CH-89-1
L310 CHOKE CH-66-100
Q301 TRANS, CURRENT REGULATOR TG-341
Q304 TRANS, N CHANNEL FET, 2N4392 TG-128-1
Q305,Q306,Q307,Q308 TRANS, N CHANNEL JFET, SNJ132199 TG-294
Q310,Q311 TRANS, N CHANNEL FET, IRF530 TG-184
Q312 TRANS, NPN, MMBT3904 TG-238
Q313,315,314,332 HEXFET POWER MOSFET TG-354
Q323-326 RECTIFIER TG-337
Q327 TRANS, N-MOSFET, VN0605T TG-243
Q333 P CHANNEL MOSFET TG-363
Q334,Q335,Q330,Q331 HEXFET POWER MOSFET TG-358
Q338,Q341 PNP SILICON TRANSISTOR TG-310
Q339,Q340 NPN SILICON TRANSISTOR TG-309
Q342 TRANS, PNP, MMBT3906L TG-244
Q343 TRANS, N-CHAN JFET, SST4393 TG-263
R301,R302,R334,R336,R351 RES, 10K, .1%, .125W, THIN FILM R-456-10K
R304 RES, 24.9K, 1%, 100MW, THICK FILM R-418-24.9K
R306,R308,R313,R442,R490,R438 RES, 4.99K, 1%, 100MW THICK FILM R-418-4.99K
R307 THICK FILM TF-262
R315,372,314,492,415,441,458-460 RES, 10K, 1%, 100MW, THICK FILM R-418-10K
R320,R444 RES, 100K, 1%, 100MW, THICK FILM R-418-100K
Table 4-6 (continued)
Model 2303B analog board parts list
Circuit designation Description Keithley part no.
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