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Snubber Capacitor - High Voltage0 pages
1.1.4 High Voltage Snubber Capacitors :
STP-01RFN, STP-01RFB series
This series of capacitors
This series of capacitors have been specially developed for medium frequency range, with higher RMS Current, higher
dv/dt and higher peak current carrying capability.
Applications :
High Voltage SCR Snubber and Commutation, Thyristor controlled rectifier circuits, High Current Snubber circuit, Reduce
or eliminate voltage or current spikes, Limit dv/dt & di/dt, Motor Speed Control & Static Drive, Harmonic Filter, Inverter,
Converter and high RMS ripple Current application
Low ESR, Excellent Frequency Response, High r.m.s. Current Rating, High
Pulse Current Ratings (dv/dt), High Voltage Capabilities, High Temperature,
High Insulation Resistance, Non inductive, Flame Retardant Construction,
Easy Installation
Bolt f or Electrical connection
Screw Nut for
Electrical connection
Electrical Connections :
STP-01RFB – with M6 Screw Thread
STP-01RFN – with M6 Screw Nut
Electrical Characteristics : ( can be customized )
Rated Voltage : 2500Vdc - 6,900Vdc / 800Vrms - 2000Vrms
Capacitance range : 0.1 - 1uF
Capacitance Tolerance : +/-5%; +/-10%
Ripple RMS Current : up to 30A
Equivalent Series Resistance (ESR) : at 23C 100kHz
Testing Voltage Terminal to Terminal : Vsurge 10 sec
Testing Voltage Terminal to Case : 4500Vac at 105C 1min.
Insulation Resistance :250Vdc +25C >= 300,000Mohm
250Vdc +85C >= 50,000Mohm
250Vdc +105C >= 5,000Mohm
Reference Standard : IEC61071
Operate Temperature : -25C - +70C / -25C - +85C / -40C - +105C
Expected Service Life : 30,000 hours at rated Vac +85C / +105C
60,000 hours at rated Vdc +85C / +105C
Accelerated Life : 1.25 x rated AC voltage at +85C / +105C 2,000 hours
Specifications and Size :
Marking
L
plastic
cylindrical
enclosure
Screw Bolt for Capacitor installation and Grounding
Properties :
Marking
plastic
cylindrical
enclosure
d
d
D
D
STP-01RFN Vndc = 2500V / Vrms = 800Vac / Vpeak = 1280V 10s / Vsurge = 4000V 30s/day
Part Number
STP-01RFN1042500DR
STP-01RFN1242500DR
STP-01RFN1542500DR
STP-01RFN2042500DR
STP-01RFN2242500DR
STP-01RFN3342500DR
ESR
Cn Diameter Length
ESL
mohm
uF
D mm
L mm
nH
100khz
Peak
dv/dt
Irms
Current
v/us
85C
Ipeak A
0.1
0.12
0.15
0.2
0.22
0.33
1800
1800
1800
1800
1800
1800
35
35
35
35
35
40
87
87
87
87
87
87
10.0
9.0
8.5
8.0
7.0
6.0
90
90
90
90
90
90
180
216
270
360
396
594
8.5
10
10
10
10
15
Irms Screw Screw Bolt
105C Nut d (Mounting)
4.5
5
4
4
4.5
6.5
M6
M6
M6
M6
M6
M6
M12
M12
M12
M12
M12
M12
STP-01RFN Vndc = 3000V / Vrms = 900Vac / Vpeak = 1440V 10s / Vsurge = 4800V 30s/day
Part Number
STP-01RFN1043000DR
STP-01RFN1243000DR
STP-01RFN1543000DR
STP-01RFN2043000DR
STP-01RFN2243000DR
STP-01RFN2543000DR
ESR
Cn Diameter Length
ESL
mohm
uF
D mm
L mm
nH
100khz
Peak
dv/dt
Irms
Current
v/us
85C
Ipeak A
0.1
0.12
0.15
0.2
0.22
0.25
2800
2800
2800
2800
2800
2800
35
35
35
40
40
40
87
87
87
87
87
87
10.0
9.0
8.5
8.0
7.0
6.0
90
90
90
90
90
90
280
336
420
560
616
700
8
10
10
10
10
15
Irms Screw Screw Bolt
105C Nut d (Mounting)
3.5
4.5
4
4.5
4.5
6
M6
M6
M6
M6
M6
M6
M12
M12
M12
M12
M12
M12
STP-01RFN Vndc = 3400V / Vrms = 1000Vac / Vpeak = 1600V 10s / Vsurge = 5400V 30s/day
Part Number
STP-01RFN2243400DR
STP-01RFN3343400DR
STP-01RFN4743400DR
STP-01RFN6843400DR
STP-01RFN7543400DR
STP-01RFN1053400DR
HK Film Capacitor Ltd
ESR
Cn Diameter Length
ESL
mohm
uF
D mm
L mm
nH
100khz
Peak
dv/dt
Irms
Current
v/us
85C
Ipeak A
0.22
0.33
0.47
0.68
0.75
1
1300
1300
1300
1300
1300
1300
65
65
65
65
65
65
118
118
118
118
118
118
http://www.filmcapacitor-st.com
6.0
6.0
8.0
7.0
7.0
5.0
120
120
120
120
120
120
286
429
611
884
975
1300
e-mail : info@filmcapacitor-st.com
20
20
20
20
24
30
Irms Screw Screw Bolt
105C Nut d (Mounting)
11
11
9
11
12
16
M6
M6
M6
M6
M6
M6
- 16 -
M12
M12
M12
M12
M12
M12
