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REPIACFABLE PARTS
MODEL 615 ELECTROMETER
SWITCHES
AND CONTROLS (Cont'd.)
Ci?X"it
Desig.
S1204
---
-__
s1205
___
---
51206
-__
Mfg.
Keichley
Fig.
LkSCriptiO"
Code
Part NO.
Ref.
Rotary
Switch
less
components,
FEEDBACK
80164
SW-308
1
k.tary
SWifCh with
components,
Feedback
SWitCh
80164
___
Knob Assembly,
Feedback
Switch
80164
21384A
Rotary
Switch
less
components,
COARSE ZERO
80164
SW-286
2
RoCary Switch
with
components,
COQZW Zero Switch
80164
--_
Knob Assembly,
Coarse Zero Switch
80164
163738
Rotary
Switch,
DISPLAY RATE (See also
R1269)
71450
RP75-500K
1
Knob Assembly,
Display
Rate Control
80164
21384A
TRANSISTORS
Number
Mfg.
Keithley
Fig.
Code
Part NO.
Ref.
*01201
* These transistors
should
be replaced
by ordering
replacement
FET Input
Board No. 23733.
. ~~~
q1202
41203
NPN, Case TO-92
91204
NPN, Case TO-92
Q1205
NPN, Case TO-92
22
22
2N3903
04713
2N3903
04713
2N3903
04713
TG-49
22
TG-49
22
TG-49
22
TG-49
22
TG-39
22
TG-49
22
TG-53
22
W-58
22
TG-59
22
TG-53
22
Q1206
NPN, Case TO-92
2N3903
Q1207
NPN, Case TO-106
2N3565
Q1208
NPN, Case TO-92
2N3903
Q1209
PNP, Case TO-92
2N3905
Q1210
NPN, Case TO-39
MN3003
QlZll
PNP, Case TO-39
MM4003
04713
Q1212
PNP, Case TO-92
2N3905
04713
04713
07263
04713
04713
04713
POWER SUPPLY PARTS
LIST
(Refer
to Schematic
Diagram
24044E for
circuit
designations).
CAPACITORS
Mfg.
Mfg.
Keithley
Fig.
2000 p.F
15v
EAL
29309
3675020015c
C93-ZOOOM
22
220 pF
1ooov
Cm-D
71590
DD-221-10%
c22-22OP
22
150 pF
1000v
&b-D
71590
DD-151-109:
C22-15OP
22
200 pF
35v
EAL
90201
MTVZOON35PDti
C177-ZOOM
22
200 pF
35v
EAL
90201
MTV200N35PDN
C177-ZOOM
22
Cl06
200 pF
35v
EAL
90201
MTVZOON35PDN
C177-ZOOM
22
Cl07
200 llF
35v
EAL
90201
MTVZOON35PDN
C177-ZOOM
22
Cl06
1.2 !.lF
2ov
ETT
17554
TSD120125
C179-1.2M
22
Cl09
5 PF
1ooov
&.tTl
71590
DD-050-10%
c22-5P
22
Cl10
125 WF
15v
ETB
73445
C426
C3-125M
22
Cl11
125 @
15v
ETB
73445
C426
C3-125M
22
Cl12
15 llF
300"
EAL
90201
PTCOlSM300P3E
c173-15M
22
Cl13
Not "sed
Cl14
68 pi
5oov
Mica
84171
DM15-680J
CZl-68PF
22
34
027X?
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