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Gas Discharge Tubes
3 Electrode Surface Mount Mini (3SM and 3SSM) Series

Part Numbering System | 3SM Specifications | 3SM Dimensions | 3SM Recommended Pad Size | 3SSM Specifications | 3SSM Dimensions | 3SSM Recommended Pad Size

Part Numbering System

WPGT
1		 - 3SSM
2		 230
3		 D
3		 TR
4

1 World Products Gas Discharge Tubes

2 Series Code
    

3SM = 3 Electrode Surface Mount Mini Series
3SSM = 3 Electrode Surface Mount Symmetrical Series

3 DC Breakdown Voltage (Please reference specification to determine available voltage options for each series.)
    

75 = 75V
90 = 90V
120 = 120V
150 = 150V
120 = 120V
200 = 200V
230 = 230V

  

250 = 250V
350 = 350V
400 = 400V
420 = 420V
470 = 470V
600 = 600V
800 = 800V
1100 = 1100V
1200 = 1200V
1800 = 1800V
2000 = 2000V
2500 = 2500V
2700 = 2700V
3000 = 3000V
4 D = Special DC Voltage Breakdown - 3SSM Series Only

4 Taping Specifications
    

TR  = Tape & Reel

Specifications

3 Electrode Surface Mount Mini Series (3SM)

Base Part Number

DC Breakdown Voltage
(V)

Maximum
Impulse
Breakdown
Voltage
(V)

Maximum Impulse Discharge Current
(8/20 µs)
(KA)

Alternating Discharge Current
(A)

Impulse Life
(10/
1000µs)
(200A)

DC Holdover Voltage
(V)

Minimum Insulation Resistance
(GΩ)

 Maximum Capacitance
(pf)

100V/s

100V/µs

1000V/µs

 1 time

10 times
(5 times each polarity)

 50Hz,
1 sec

Single 9 cycles

times

<150ms

*

 1MHz
WPGT-3SM75
75 ± 20%
600
700
10
5
5
30
300
52
1
2.0
WPGT-3SM90
90 ± 20%
500
600
10
5
5
30
300
52
1
2.0
WPGT-3SM120
120 ± 20%
500
600
10
5
5
30
300
52
1
2.0
WPGT-3SM150
150 ± 20%
500
600
10
5
5
30
300
52
1
2.0
WPGT-3SM200
200 ± 20%
600
700
15
10
10
60
300
135
1
2.0
WPGT-3SM230
230 ± 20%
600
700
15
10
10
60
300
135
1
2.0
WPGT-3SM250
250 ± 20%
600
700
15
10
10
60
300
135
1
2.0
WPGT-3SM350
350 ± 20%
650
750
15
10
10
60
300
150
1
2.0
WPGT-3SM400
400 ± 20%
700
800
15
10
10
60
300
150
1
2.0
WPGT-3SM420
420 ± 20%
700
800
15
10
10
60
300
150
1
2.0
WPGT-3SM470
470 ± 20%
800
900
15
10
10
60
300
150
1
2.0
WPGT-3SM600
600 ± 20%
900
1000
10
5
5
30
300
150
1
2.0
WPGT-3SM800
800 ± 20%
1150
1400
10
5
5
30
300
150
1
2.0
WPGT-3SM1100
1100 ± 20%
1450
1750
10
5
5
30
300
150
1
2.0

UL 497B Recognized, File #E135015 (WPGT-3SM75 through WPGT-3SM600).
UL 1449 and C-UL 3rd Edition Recognition, File #E321567 (WPGT-3SM800 and WPGT-3SM1100.

*DC Breakdown Voltage 
70 - 90V
120-400V
470-1000V
1001-2000V
DC Measuring Voltage
50V
100V
250V
500V

Dimensions

Unit: mm

Recommended Pad Size

Unit: mm

Specifications

3 Electrode Surface Mount Symmetrical Series (3SSM)

Base Part Number

DC Breakdown Voltage
(V)

Maximum
Impulse
Breakdown
Voltage
(V)

Maximum Impulse Discharge Current
(8/20 µs)
(KA)

Alternating Discharge Current
(A)

Impulse Life
(10/
1000µs)
(200A)

DC Holdover Voltage
(V)

Minimum Insulation Resistance
(GΩ)

 Maximum Capacitance
(pf)

100V/sNOTE 1

100V/µsNOTE 2

1000V/µsNOTE 2

 1 time

10 times
(5 times each polarity)

 50Hz,
1 sec

Single 9 cycles

times

<150ms

*

 1MHz
WPGT-3SSM230
230 ± 20%
550
650
10
5
5
30
300
135
1
2.0
WPGT-3SSM250
250 ± 20%
600
700
10
5
5
30
300
135
1
2.0
WPGT-3SSM300
300 ± 20%
650
750
10
5
5
30
300
135
1
2.0
WPGT-3SSM350
350 ± 20%
650
750
10
5
5
30
300
135
1
2.0
WPGT-3SSM400
400 ± 20%
700
850
10
5
5
60
300
135
1
2.0
WPGT-3SSM420
420 ± 20%
700
850
10
5
5
60
300
135
1
2.0
WPGT-3SSM470
470 ± 20%
800
950
10
5
5
60
300
135
1
2.0
WPGT-3SSM600
600 ± 20%
900
1100
10
5
5
60
300
135
1
2.0
WPGT-3SSM800
800 ± 20%
1150
1400
10
5
5
60
300
135
1
2.0
WPGT-3SSM1100
1100 ± 20%
1450
1750
10
5
5
60
300
135
1
2.0

UL 497B Recognized and UL1449 3rd Edition Pending.
UL 1449 and CUL 3rd Edition Recognized, File #E321567 (WPGT-3SSM800 and WPGT-3SSM1100)

*DC Breakdown Voltage 
230-400V
420-800V
1100V
DC Measuring Voltage
100V
250V
500V

NOTE 1: DC Breakdown Voltage @ 100V/S for L1/L2 to ground and L1 TO L2.
NOTE 2: Impulse Breakdown Voltage @ 100V/µs for L1/L2 to ground.

Dimensions (Unit mm)

Dimensions

Recommended Pad Size (Unit mm)

Recommended Pad Size

NOTE: Max coplanarity ids <0.1mm.

3SSM Part Numbering System

Gas Discharge Tubes

General Characteristics
  Features
  Temperature Rating
  100% Inspection
  RoHS Information
  Solderability
  Part Marking
  Terms and Definitions

2 Electrode Mini (2RM)
2 Electrode Standard and
   High Voltage (2R)
2 Electrode High Current (2N)
2 Electrode Extremely High Current (20B)
2 Electrode Switching Series (2T)
2 Electrode Standard, High Current,
   Ultra High Current & Screw Lead (AE)
3 Electrode Mini (3RM) and
   Standard (3R)
2 Electrode Surface Mount,
  Mini (2SM), Surface Mount (2S),
  Surface Mount Mini Square (2SS)
2 Electrode Surface Mount Chip (4532)
3 Electrode Surface Mount Mini
  (3SM and 3SSM)

Packaging
  Standard Bulk Packaging
  Tape & Reel Specifications

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