Tektronix DC 502 - Page 18

DC 502
ELECTRICAL PARTS LIST (cont)
Ckt Grid Tektronix Serial/Model No.
No. Loc Part No. Eff Disc Description
INTEGRATED CIRCUITS (cont)
U241 G2 156-0039-00
Dual 15 MHz J-K master-slave flip-flop
replaceable by SN7473N
U245
J2
156-0165-00
Dual 4-input positive nor gates, replaceable,
CONNECTORS
by SN7425N
J100
131-0955-00
Receptacle, electrical, BNC, female
J180
131-0955-00
Receptacle, electrical, BNC, female
INDUCTORS
L192
Q3
276-0569-00
Core, toroid ferrite
L199
Q2
120-0382-00
Toroid, 14 turns single
TRANSISTORS
Q115
K5
151-1022-00
Silicon, FET, selected from 2N4392
Q122
K4
151-0325-00
Silicon, PNP, replaceable by 2N4258
Q128
J6
151-0259-00
Silicon,
NPN, selected from 2N3563
Q160
I 6
151-0190-00
Silicon, NPN, replaceable by 2N3904 or TE3904
Q162
I 6
151-0190-00
Silicon,
NPN, replaceable by 2N3904 or TE3904
Q170
H6
151-0325-00
Silicon, PNP, replaceable by 2N4258
Q190
Q3
151-0362-00
Silicon,
PNP, replaceable by SMT1105
Q195 03
151-0190-00
Silicon,
NPN, replaceable by 2N3904 or TE3904
Q198
N3
151-0259-00
Silicon, NPN, selected from 2N3563
Q230
M4
151-0341-00
Silicon,
NPN, replaceable by 2N3565
Q238
L4
151-0504-00
Silicon,
unijunction, replaceable by 2N4851
Q240
L4
151-0341-00
Silicon,
NPN, replaceable by 2N3565
Q242
J 1
151-0341-00
Silicon,
NPN, replaceable by 2N3565
Q280 F2
151-0301-00
Silicon,
PNP, replaceable by 2N3907
Q281
F 1
151-0301-00
Silicon, PNP, replaceable by 2N3907
Q282
G2
151-0301-00
Silicon,
PNP, replaceable by 2N3907
Q283
G1
151-0301-00
Silicon,
PNP, replaceable by 2N3907
Q284
G1
151-0301-00
Silicon, PNP, replaceable by 2N3907
Q285
G1
151-0301-00
Silicon,
PNP, replaceable by 2N3907
Q286 G2
151-0301-00
Silicon,
PNP, replaceable by 2N3907
Q320
S5
151-0515-01
Thyristor, 50 V, 8A, replaceable bv 2N4441
Q330
D6
151-0342-00
Silicon,
PNP, replaceable by 2N4249
Q340
B4
151-0342-00
Silicon,
PNP, replaceable by 2N4249
RESISTORS
R102
M4
323-0611-00
900 kΩ,
1/2 W, 17.
R103
M4
321-0617-00
111 kΩ,
1/8 W, 1%
R106
L4
323-0620-00
800 kΩ,
1/2 W, 17.
R107
L5
321-0423-00
249 kΩ,
1/8 W, 17.
R112
L5
321-0356-00
49.9 kΩ, 1/8 W, 17.
R113
L6
315-0103-00
10 kΩ, 1/4 W, 5%
R115
K6
315-0470-00
47 Ω, 1/4 W, 57.
R117
15
315-0101-00 100 Ω, 1/4 W, 5%
R118
K5
315-0182-00
1.8 kΩ,
1/4 W, 57.
R120
K5
315-0101-00 100 Ω, 1/4 W, 5%
R121
K5
315-0561-00
560 Ω, 1/4 W, 57.
R122
J4
315-0332-00
3.3 kΩ,
1/4 W, 57.
R123
K5
315-0223-00
22 kΩ, 1/4 W, 5%
R126
J5
315-0470-00 47 Ω, 1/4 W, 57.
R127
J5
315-0202-00
2 kΩ, 1/4 W, 57.
R130
J6
315-0102-00
1 kΩ, 1/4 W, 5%
R132
J6
315-0103-00
10 kΩ, 1/4 W. 57.
R135
311-1220-00
20 kΩ. Var
R137 M6
315-0513-00 B010100
B029999 51 kΩ, 1/4 W, 5%
R137
M6
315-0513-00 B030000
51 kΩ, (nominal value), selected
R139
M6
315-0103-00
10 kΩ, 1/4 W. 5%
R140
L5
323-0612-00 950 kΩ.
1/2 W. IX
REV. MAY 1974
3-4