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Operating temperature range
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Max. operating temperature Top, max +125 °C Upper category temperature Tmax +110 °C
Lower category temperature Tmin 55 °C
Rated temperature TR +85 °C
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Dissipation factor tan δ
(in 10-3) at 20 °C
(upper limit values)
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1 kHz
10 kHz
100 kHz
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1.0
2.5
25.0
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Insulation resistance Rins at 100 V and 20 °C, rel. humidity ≤ 65% ( minimum as-delivered values)
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> 30 GΩ (CR ≤ 0.33 μF)
> 10000 s (CR > 0.33 μF)
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DC test voltage
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1.4 VR, 2 s
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Category voltage VC
(continuous operation with
VDC or VAC at f ≤ 1 kHz) For 85 °C < TA the derating is 1.28% per °C
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Top (°C)
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DC voltage derating
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AC voltage derating
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Top ≤ 85
85 < Top ≤ 100 100 < Top ≤ 110
110 < Top ≤ 125
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VC = VR
VC = 0.81 VR
VC = 0.68 VR
VC = 0.5 VR
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VC,RMS = VRMS
VC,RMS = 0.81 VRMS
VC,RMS = 0.68 VRMS
VC,RMS = 0.5 VRMS
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Operating voltage Vop for short operating periods (VDC or VAC at f ≤ 1 kHz)
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TA (°C)
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DC voltage (max. hours)
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AC voltage (max. hours)
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TA ≤ 100
110 < TA ≤ 125
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Vop = 1.1 × VC (1000 h)
Vop = 1.0 × VC (1000 h)
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Vop = 1.0 × VC,RMS (1000 h)
Vop = 1.0 × VC,RMS (1000 h)
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Reliability:
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Failure rate λ
Service life tSL
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24 fit (≤ 1 10-7/h) at 0.5 VR, 40 °C
200000 h at 0.5 VR, 85 °C
For conversion to other operating conditions and temperatures, refer
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Failure criteria:
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to chapter "Quality, 2 Reliability"
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Total failure
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Short circuit or open circuit
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Failure due to variation of parameters
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Capacitance change ∆C/C > 10 %
Dissipation factor tan δ > 4 × upper limit values
Insulation resistance Rins < 150 MΩ (CR ≤ 0.33 μF)
Or time constant τ < 50 s (CR ≥ 0.33 μF)
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