Keithley 2400 Service Manual

2400-902-01 (G - Feb 2006)
Model 2400 Service Manual 6-6
Replaceable Parts
Q515,517,519,522,524,600 TRANS, NPN, MMBT3904 TG-238
Q518 TRANS, NPN DARLINGTON, TIP101 TG-230
Q521 TRANS, PNP DARLINGTON, TIP106 TG-231
Q526,527 N CHANNEL ENHANCED MOSFET TG-302
R117-128,133-136,137-149 RES, 10K, 5%, 250MW, METAL FILM R-376-10K
R150-153,336,340,343,353,355,361,362,365,
369,389,390,466,472,478,480,481,520,522
RES, 1K, 1%, 100MW, THICK FILM R-418-1K
R200,201,203,232,238 RESISTOR NETWORK TF-236
R202,204,252,255,256,259,260,263,264,267,
293-296,338,364,402-404,416,417,459,488
RES, 100K, 1%, 100MW, THICK FILM R-418-100K
R205,210 RES, 768, 1%, 100MW, THICK FILM R-418-768
R207 RES, 8.87K, 1%, 100MW, THICK FILM R-418-8.87K
R209,211,268-271 RES, 1M, 1%, 100MW, THICK FILM R-418-1M
R212 RES, 332, 1%, 100MW, THICK FILM R-418-332
R213 RES, NET 5K, .1%, 668A TF-243-5K
R205,214,215,290,485,486 RES, .0499, 1%, 100MW, THICK FILM R-418-.0499
R216,221,223,274-279,289,303 RES, 20K, 1%, 100MW, THICK FILM R-418-20K
R217 RES, 121K, 1%, 100MW, THICK FILM R-418-121K
R218 RES, 80.6K, 1%, 100MW, THICK FILM R-418-80.6K
R219,220,222,230,231,345,373,482,483 RES, 49.9K, 1%, 100MW, THICK FILM R-418-49.9K
R224-229,234-237,244-247,281,282,284-286,
288,301,617,622,654,655
RES, 10K, 1%, 100MW, THICK FILM R-418-10K
R240,243,248,251,253,254,257,258,261,262,
265,266,313,314-317,357,366,601,608,626
RES, 4.99K, 1%, 100MW, THICK FILM R-418-4.99K
R241,242,249,250,653,664 RES, 140K, 1%, 100MW, THICK FILM R-418-140K
R272,273 RES, 249K, 1%, 100MW, THICK FILM R-418-249K
R280 RES, 4.02K, 1%, 100MW, THICK FILM R-418-4.02K
R283,287,297,299,349,350-352,457,461 RES, 30.1K, 1%, 100MW, THICK FILM R-418-30.1K
R291 RES, 45.3K, 1%, 100MW, THICK FILM R-418-45.3K
R292,544-547 RES, 100K, 1%, 100MW, THICK FILM R-418-100K
R298,300 RES, 150K, 1%, 100MW, THICK FILM R-418-150K
R302,310,375,376 RES, .0499, 1%, 100MW, THICK FILM R-418-.0499
R304-306,548 RES, 33, 5%, 250MW, METAL FILM R-376-33
R307,388,393-399,411,412,413 RES, 357, 1%, 100MW, THICK FILM R-418-357
R308,379-387,391,392 RES, 475, 1%, 100MW, THICK FILM R-418-475
R309,504,511 RES, 10K, 1%, 100MW, THICK FILM R-418-10K
R332,423,604,606 RES, 499, 1%, 100MW, THICK FILM R-418-499
R346 RES, 357K, 1%, 100MW, THICK FILM R-418-357K
R347 RES, 332K, 1%, 100MW, THICK FILM R-418-332K
R348 RES, 255K, 1%, 100MW, THICK FILM R-418-255K
R354 RES, 1M, 5%, 250MW, METAL FILM R-376-1M
Table 6-1 (cont.)
Analog board parts list
Circuit designation Description
Keithley
part no.

Keithley 2400 Specifications

General

Model	2400
Category	SourceMeter
Voltage Source Range	±200 V
Power Output	20 W
Voltage Measurement Resolution	100 nV
Current Measurement Resolution	10 pA
Resolution	5.5 digits
Interfaces	GPIB, RS-232
Current Source Range	±1A
Current Measurement Range	±1A
Resistance Measurement Range	2 Ω to 200 MΩ
Display	Vacuum Fluorescent Display