SP333 (Beckman) Panaplex Display 
Planar neon gas discharge 'Panaplex' readout.
Separate anodes allow singledigit multiplexing.
Same as SP733, but with keep alive cathode.
Used in Tektronix Model 21 and 31 and Commodore US*14 calculators.
The sockets (Sperry/Chinch 90010):
Röhrendaten/ Tube Data  
German  English  
Typ  Type  SP333  
Hersteller  Brand  Beckman  
Vergleichstypen  Substitudes  HB333, (SP733)  
Symbole  Displayed Symbols  3Digit, 7 segment, 3 x PR  
Symbolhöhe  Symbol Height  7.75mm (0.305")  
Abmessungen  Dimensions  28.58mm (1.125") X 21mm (0.815") X 11.5mm (0.455") thick  
Pindurchmesser  Pin Diameter  mm  0.48 (0.019") 
min. Betriebsspannung  min. Supply Voltage  V  160 
typ. Brennspannung  typ. maintaining Voltage  V  135 
Betriebs Kathodenstrom 
Typical Cahthode Current 
mA 
Siehe Datenblatt für die verschiedenen Segmente!/ See data sheet for different segments! 
Sockel  Base  28 Pins, special arrangement  
Fassung  Socket  90010 
Features
DC Characteristics:

SP330 Family 
SP350 Family 


MIN 
TYP 
MAX 
MIN 
TYP 
MAX 
Display Supply Voltage^{1} 
160 Vdc 
180 Vdc 
Note 2 
160 Vdc 
180 Vdc 
Note 2 
AnodetoAnode
Differential 
 
 
14 Vdc 
 
 
14 Vdc 
AnodetoCathode
Voltage 
 
135 Vdc 
 
 
135 Vdc 
 
Cathode Current 
Typical 
70 µA 
180 µA 
250 µA 
130 µA 
330 µA 
420 µA 
Cathode Current 
Decimal 
60 µA 
135 µA 
190 µA 
65 µA 
135 µA 
190 µA 
Cathode Current Plus Sign^{4} 
110 µA 
290 µA 
400 µA 
260 µA 
585 µA 
820 µA 
Cathode CurrentMinus Sign^{4} 
50 µA 
135 µA 
185 µA 
120 µA 
270 µA 
380 µA 
Cathode Current –KeepAlive 
10 µA 
50 µA 
 
10 µA 
50 µA 
 
Power Dissipation
(with all segments lighted & 
 
175 mW 
 
 
325 mW 
 
Operating Temperature 
0°C 
 
70°C 
0°C 
 
70°C 
Storage Temperature 
55°C 
 
125°C 
55°C 
 
125°C 
Multiplex Characteristics:
SP330 Family 
SP350 Family 


MIN 
TYP 
MAX 
MIN 
TYP 
MAX 
Display Supply Voltage 
160 Vdc 
180 Vdc 
Note 2 
160 Vdc 
180 Vdc 
Note 2 
Anode Voltage Swing 
30 Vdc 
45 Vdc 
90 Vdc 
30 Vdc 
45 Vdc 
90 Vdc 
Anode On Time^{6 7 11} 
80 µsec 
200 µsec 
 
80 µsec 
200 µsec 
 
Interdigit
Blanking Time^{12 13} 
40 µsec 
55 µsec 
 
40 µsec 
55µsec 
 
Refresh Period 
 
 
Note 6 
 
 
Note 6 
Cathode Voltage Swing^{8 9} 
30 Vdc 
50 Vdc 
120 Vdc 
30 Vdc 
50 Vdc 
120 Vdc 
Cathode Bias
Voltage (ON 
90 Vdc 
110 Vdc 
120 Vdc 
90 Vdc 
110 Vdc 
120 Vdc 
Notes:
Outline:
Pinout:
Ansicht von vorne / View from front
Downloads/Datasheets:
Sie finden passende Datenblätter
im Datenblattarchiv.
Suchen sie dort nach dieser Type und deren Vergleichstypen.
You'll find the matching datasheets in
the datasheet archive.
Search for this type and its substitutes there.
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