SP-252 (Babcock)
Panaplex Display
Planar neon gas discharge 'Panaplex' readout.
Separate anodes allow single-digit multiplexing.
Two digit, 14-segment display with 2 deciamal points on the right side capable
of presenting approximately a 60 character set. This character set includes all
the letters of the alphabet, the numbers 0-9, and some special symbols.
Röhrendaten/Tube Data | |||
German | English | ||
Typ | Type | SP-252 | |
Hersteller | Brand | Babcock | |
Vergleichstypen | Substitutes | - | |
Symbole | Displayed symbols | Two digit, 14-segment display with 2 deciamal points on the right side capable of presenting approximately a 60 character set. This character set includes all the letters of the alphabet, the numbers 0-9, and some special symbols. | |
Symbolhöhe | Symbol height | 14mm (0.55") | |
Abmessungen | Dimensions | 27mm (1.06") X 28.4mm (1.12") X 13.1mm (0.515") thick | |
Pindurchmesser | Pin diameter | 0.48mm (0.019") | |
min. Betriebsspannung | min. supply voltage | V | 180 |
typ. Brennspannung | typ. maintaining voltage | V | 135 |
Betriebs-Kathodenstrom | typ. cathode current | mA | 0.33 |
Sockel | Base | 34 pins, special arrangement | |
Fassung | Socket | Spezielle 34 Pin Fassung/Special 34 pin socket |
Features:
0.55 Inch (14mm) Character Height (SP-250 Series)
Neon-Orange Color
210 fL Brightness at Nominal Current
130° Viewing Angle
40 ft. (12,2m) Viewing Distance (SP-250 Series)
10 Year Life
DC Characteristics:
|
MIN |
TYP |
Display Supply Voltage1, 2 |
180 Vdc |
|
Anode-to-Cathode
Voltage |
135 Vdc |
|
Cathode Current -
Typical |
130µA |
330 µA |
Cathode Current Keep-Alive 4, 6 |
50 µA |
|
Power Dissipation
(with all segments lighted & |
575 mW |
|
Operating Temperature |
0 to 70°C |
|
Storage Temperature |
-55 to 125°C |
Multiplex Characteristics:
|
TYP |
Display Supply Voltage 2 |
180 Vdc |
Anode Voltage Swing |
45 Vdc |
Anode On Time 4 |
200 µsec |
Interdigit
Blanking Time |
55 µsec |
Refresh Period |
<10msec |
Cathode Voltage Swing |
50 Vdc |
Cathode Bias
Voltage |
110 Vdc |
Notes:
Examples of the Character Set
Available with the SP-252:
Segment Designation:
Pin |
Segment |
Current Ratio |
Pin |
Segment |
Current Ratio |
1 |
a |
1.00 |
10 |
k |
0.88 |
2 |
b |
1.00 |
11 |
m |
0.47 |
3 |
c |
1.26 |
12 |
n |
0.94 |
4 |
d |
1.06 |
13 |
p |
1.09 |
5 |
e |
1.15 |
14 |
r |
1.09 |
6 |
f |
0.97 |
15 |
Dec. Point |
0.41 |
7 |
g |
0.47 |
16 |
Keep Alive |
- |
8 |
h |
0.79 |
17 |
Anode |
- |
9 |
j |
0.82 |
|
|
|
All segments are ratioed to segment 1) and are listed in Table 1.
Outline & Pinout:
Ansicht von vorne/View from front
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