Keithley SourceMeter 3A 2420 Service Manual page 94

Table 6-1 (cont.)
Analog board parts list
Circuit designation
VR202,203,407-409,506,507
VR214,215
VR400,401
VR410,601,604
VR500,501
VR502,503
VR600
VR602,603
Y600
Description
DIODE,ZENER 5.1V, BZX84C5V1
DIODE, ZENER, 8.2V, MMBZ5237
DIODE, ZENER 4.7V, IN4732A
DIODE, ZENER 3.3V, MMBZ5226BL
DIODE, ZENER 6.0V, BZX84B6V2
DIODE ZENER 12V, MMSZ12T1
DIODE,ZENER 6.4V,IN4579
DIODE, ZENER, 6.2V MMSZ6V2
OSCILLATOR HIGH SPEED CMOS
12MHZ
Replaceable Parts 6-11
Keithley
part no.
DZ-88
DZ-92
DZ-67
DZ-94
DZ-87
DZ-112
DZ-73
DZ-97
CR-37