Tektronix 502A, Instruction Manual

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Parts List — Type 502A
ELECTRICAL PARTS LIST
Values are fixed unless marked Variable.
Tektronix
Ckt. No. Part Number Description
Bulbs
S/N Range
B124 150-027 Neon, Type NE-23 READY
B167 150-027 Neon, Type NE-23
B331 M 150-027 Neon, Type NE-23 ON
B331 N
150-027
Neon, Type NE-23
UNCALIBRATED
B490 150-027 Neon, Type NE-23
B601 150-001
Incandescent, Type #47
Graticule Light
B602
150-001
Incandescent, Type #47
Graticule Light
Capacitors
Tolerance ±20% unless otherwise indicated.
Tolerance of all electrolytic capacitors are as follows (with exceptions):
3 V — 50 V = -10%, +250%
51 V - 350 V = -10%, +100%
351 V - 450 V = -10%, +50%
C10 283-002 .01 μf Disc Type 500 v
C11
283-000 .001 μf Disc
Type 500 v
C1 3 283-001 .005 μf Disc Type
500 v
C24 283-000 .001 μf Disc Type
500 v
C31 285-510 .01 μf MT 400 v
C44 281-510 22 pf Cer.
500 v
C131 281-510
22 pf Cer. 500 v
C 1 37 281-503
8 pf
Cer.
500v
±.5 pf
C141
281-541 6.8 pf Cer.
500 v
10%
C160A 281-007
3-12 pf Cer. Var.
C160B
283-534 82 pf Mica
500 v
5%
C160C 281-010
4.5-25 pf Cer. Var.
C160D *291-008
.001 μf
±’/2%
C160E .01 μf
.
C160F
*291 -007 .1 μf Timing Series
± ’/2%
C160G 1 μf
Cl 67 283-000 .001 μf Disc Type
500 v
C180A 281-528
82 pf Cer.
500 v
10%
C180B 285-501
.001 μf MT
600 v
C180C 285-510 .01 μf MT
400 v
C180D 285-526
.1 μf MT
400 v
C181 281-528
82 pf Cer.
500 v 10%
C311 281-010
4.5-25 pf Cer. Var.
C312
281-521
56 pf Cer. 500 v
10%
C350
283-001 .005 μf
Disc Type
500 v
X21070-up
6-21