B32520 ... B32529
General purpose (stacked/wound)
Technical data
Operating temperature range
Dissipation factor tan δ (in 10-3)
at 20 °C
Max. operating temperature Top,max +125 °C
Upper category temperature Tmax
+125 °C
Lower category temperature Tmin
55 °C
Rated temperature TR
+85 °C
at
CR ≤ 0.1 µF 0.1 µF < CR ≤ 1 µF CR > 1 µF
1 kHz 8
8
10
(upper limit values)
10 kHz 15
15
100 kHz 30
Insulation resistance Rins
or time constant τ = CR Rins
at 20 °C, rel. humidity ≤ 65%
VR
CR ≤ 0.33 µF
≤ 100 V DC 3750 MΩ
≥ 250 V DC 7500 MΩ
CR > 0.33 µF
1250 s
2500 s
(minimum as-delivered values)
DC test voltage
Category voltage VC
(continuous operation with VDC
or VAC at f ≤ 60 Hz)
Operating voltage Vop for
short operating periods
(VDC or VAC at f ≤ 60 Hz)
Damp heat test
1.4 VR, 2 s
TA (°C)
DC voltage derating AC voltage derating
TA ≤ 85
VC = VR
VC,RMS = VRMS
85<TA≤125 VC = VR (165TA)/80 VC,RMS=VRMS (165TA)/80
TA (°C)
DC voltage (max. hours) AC voltage (max. hours)
TA ≤ 100 Vop = 1.25 VC (2000 h) Vop = 1.0 VC,RMS (2000 h)
100<TA≤125 Vop = 1.25 VC (1000 h) Vop = 1.0 VC,RMS (1000 h)
56 days/40 °C/93% relative humidity
Limit values after damp
heat test
Reliability:
Capacitance change ∆C/C
Dissipation factor change ∆ tan δ
Insulation resistance Rins
or time constant τ = CR Rins
≤ 5%
≤ 5 10-3 (at 1 kHz)
≥ 50% of minimum
as-delivered values
Failure rate λ
Service life tSL
1 fit (≤ 1 10-9/h) at 0.5 VR, 40 °C
200 000 h at 1.0 VR, 85 °C
For conversion to other operating conditions and temperatures,
refer to chapter "Quality, 2 Reliability".
Failure criteria:
Total failure
Short circuit or open circuit
Failure due to variation
of parameters
Capacitance change ∆C/C
Dissipation factor tan δ
Insulation resistance Rins
or time constant τ = CR Rins
> 10%
> 2 upper limit value
< 150 MΩ (CR ≤ 0.33 µF)
< 50 s (CR > 0.33 µF)
Please read Cautions and warnings and
Important notes at the end of this document.
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