Z303C

Cold-cathode bidirectional decade counter for counting, stepping, and selector functions rather than passive digit display.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: IO
Base pins: -
Nominal heater: -

Description

Z303C is a cold-cathode bi-directional decade counter, classified as Nixie for this batch. The supplied datasheet was reviewed for operating conditions, ratings, and display/counting characteristics.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: IO
Base pins: -
Nominal heater voltage: -
Nominal heater current: -
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Nixie

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Cold-cathode gas-filled bidirectional decade counter/selector tube with ten main cathodes.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1963 Philips Electron Tubes Handbook V2

Published operating points and test conditions from this source.

SECTION 1

Nixie

Characteristic

Anode maintaining voltage at 300 uA
186 to 196 V

Other

Typical anode current
340 uA
Counting
Maximum voltage between non-anode electrodes
- to 140 V
Maximum main/auxiliary cathode current
- to 550 uA
Number of main cathodes
10 count

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Nixie

Other

PHILIPS [z3
3 C
cation and operates at speeds up to
4 kc/s
a une vitesse jusqu'a
4 kHz
Geschwindigkeiten bls zu
4 kHz
an absolute minimum of +
18 V
étre utilisée Jjusqu'a un minimum absolu de +
18 V
Vo min,
350 V
conques (sauf 1'anode = max,
140 V
v pulse drive at
4 kc/s
Vkg impulsions integrees a [1]
4 kHz
Vkg impulsions integrees a [2]
35 V
grierter Impulssteuerung bei
4 kHz
Vko max
20 V
Largeur des impulsions min
65 usec
Current of main and auxiliary cathodes = max
550 pA
PHILIPS (Zz3
3 C

Characteristic

sinusoidale ou par impulsions) = max
4 kc/s
conseécutifs = min
250 usec
Va (Ix [1]
300 pa
Va (Ix [2]
186-196 V
Impulsion necessaire pour la remise en = min.,
120 V
Vy
475 V
Vko
12 V
Ia
340 pA
Vky = Vkg
440 V
Amplitude des impulsions
100 V
Largeurs des impulsions
75 usec
Vkap = Vkp +
40 V
Largeur des impulsions
75 usec
0 475V10%
300 V
z3
3 C
AAAAAA
82 pF
Input pulse 2 [1]
30 V
Input pulse 2 [2]
108 V
Impulsion d'entrée 2 [1]
30 V
Impulsion d'entrée 2 [2]
108 V
Eingangsimpuls £ [1]
30 V
Eingangsimpuls £ [2]
108 V
PHILIPS [z3
3 C
\f}(}l = \,1(13 +
10 V
2) This resistor is required only wenn the
40 V
de
40 V
Dieser Widerstand ist nur erforderlich wenn die
40 V
Z3
3 C