OGP-1501 View Datasheet(PDF) - PerkinElmer Inc
Part Name
Description
Manufacturer
OGP-1501 Datasheet PDF : 8 Pages
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Table 1. Crowbar Service
Family
Type (1)
OGP-57
OGP-62
OGP-64
OGP-44
OGP-49
OGP-75
OGP-35
OGP-83
OGP-67, 73
OGP-76
OGP-1501
OGP-Series Spark Gap Ratings
Available Static
Breakdown Voltage
Range (kV)
Min-Max (2)
1-9
1-9
1-9
9-25 (3)
2-25 (3)
10-30
8-42 (3)
8-42 (3)
30-65 (3)
30-120 (3)
30-120 (3)
Maximum Discharge Conditions (4)
Peak
Current
(kA)
Total
Conducted Charge
per Pulse
(millicoulombs)
5
200
5
200
5
200
5
200
7.5
400
20
500
50
1000
25
800
20
500
50
1000
50
1000
Table 2. Repetitive Switching Service
Family
Type (1)
OGP-57
OGP-62
OGP-64
OGP-44
OGP-49
OGP-75
OGP-35
OGP-83
OGP-67, 73
OGP-76
OGP-1501
Available Static
Breakdown Voltage
Range (kV)
Min-Max (2)
1-9
1-9
1-9
9-25 (3)
2-25 (3)
10-30
8-42 (3)
8-42 (3)
30-65 (3)
30-120 (3)
30-120 (3)
Maximum Discharge Conditions (5)
Conducted Charge
per Pulse
(millicoulombs)
4
4
4
4
8
20
20
8
20
20
20
Avg. Current
Ib
(mA, DC)(6)
40
40
40
40
60
150
200
100
150
200
200
RMS (Current
IP
(A, AC)(7)
6
6
6
6
8
10
15
10
10
15
15
Notes
1. The general family type is listed. Mechanical variations with differing connec-
tions are shown in the accompanying drawings. These are designated by the
addition of another digit or a letter to the basic family number. For example, the
OGP-44 family includes the 44G, 441, 442, 443, 444, 445, 446, 44L and 44R.
2. Each overvoltage gap is manufactured with a specific static (or DC) breakdown
voltage (SBV). this voltage can be set anywhere within the available min-max
range. The SBV is specified by the addition of a dash number to the mechani-
cal type number, giving the SBV in kilovolts.
3. These units must be operated in a dielectric medium to prevent external coro-
na or breakdown: OGP-76, above 50kV; OGP-1501, above 35kV; OGP-44,
above 15kV; OGP-67 and OGP-73, above 40kV; OGP-49, above 15kV;
OGP-83 and OGP-35, above 20kV. Some of the more important derating
factors that determine the safe operating voltage in air are the cleanliness of
the tube’s ceramic insulators, the rate of rise of anode voltage, the dwell time
at the operating peak anode voltage, the pulse repetition rate, and ambient
pressure, temperature, humidity and contaminant level.
4. The ratings shown apply for single-shot service. Under these maximum duty
conditions, gap life is typically 1000-5000 operations.
5. For conditions approaching these maximum ratings, life is typically one million
to five million operations. Longer life can be obtained when operating at
reduced levels; alternatively, operation at higher levels is possible, but life
will be reduced.
6. Ib is the average current through the gap. It is equal to the conducted charge
per pulse x pulse repetition rate (prr).
7. Ip is the RMS current through the gap. For rectangular current pulses,
Ip = √Ib x peak current.
PerkinElmer Optoelectronics
page 3
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