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保護I.G.B.T橋接整流模組(專用容)
I.G.B.T SNUBBER CAPACITORS
Main applications introduction :
Switching capacitor for resonant, Industrial motor speed controls, Induction heaters, high frequency and High current applications
Dielec tric
Polypropylene electrodes vacuum deposited Metal layers
Coating
Solvent resistant plastic case with resin sealing (UL 94 V- 0), Flame retardant execution
Construction
Extended metallized film (Refer to general technical information)
Terminals
Tinned copper lugs(lead-free) for screw fixing (please refer to article table)
Installation
Whatever position assuring correct heat dissipation Arrangement of many components with box wallsin Contact not admittd; suggested minimum distance between
Between side by side elements≥1/8 of the box thickness (B Size).Box with Lugs terminals must be free to correctly dissipate From all body faces
Reference standard
IEC 61071,IEC60068, Rohs compliant
Climatic category
40/85/56(IEC60068/1), GPD(DIN40040)
Operating temperature range(case)
-40°C...+85°(100° observing voltage and current de-rating)
Max. permissible ambient temperature
+70°, operation at rated power, current, voltage and natural Cooling(+85°)
Rated capacitance(Cr)
1.5uF to 60uF Refer to article table
Capacitance tolerance(at 1kHz)
±10% (code=K), plusmn;5%(code=J), Other tolerances upon request
Capacitance temperature coefficient
Refer to graphs in general technical information
Long term stability (at 1kHz)
Capacitance variation≤±1% after a period of years at standard Environmental conditions
Rated voltage(Ur)
250, 330, 400, 600, 700 Vdc
Temperature de-rated voltage
For operating temperature(case)＞+85°C Ur must be decreased 1,5% for every °C exceeding+85°C Ums must be decreased2,5% for every°C exceeding+85°C
Non recurrent surge voltage (Upk)
400, 500, 600, 800, 1000Vdc
Self inductance
≤1nH/mm of fixing pitch
Maximum pulse rise time
Refer to article table
Maximum peak current (lpeak)
Refer to article. Max. non repetitive lpk=1,5xlpeak
Dissipation factor (DF), max.
tgδ×10-4, measured at 25±5°C, 1Khz
| Cr≤5uF |
5uF＜Cr≤25uF |
Cr＞25uF |
| 5 |
8 |
10 |
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Insulation resistance(IR)
≥3000s but need not exceed 30GΩ(typical value), when measured Between teminals, at 25±°C after 1 minute of electrification at 100Vdc
Test voltage between terminals(Ut)
1,6×Ur (DC) applied for 10s/2×Ur (DC) applied for 2s, at 25±5°C
Test voltage between terminals and case (Utc)
3kV 50/60Hz applied for 60s at 25±5°C
Damp heat test(steady state)
Test conditions：
Temperature=+40±2°C
Relative=93±2%
Test duration=56 days
Performance：
Capacitance change ≤±2%
DF change≤0.0010 at 1kHz
IR≥50% of initial limit value
Typical capacitance change operating time
-5% AFTER 30'000 HOURS AT Urms or after 100'000 hours at Ur Life expectancy ≥100'000 hours (Ur); 30'000 hours (Urms)
Failure quota
300/109 componnet hours
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