B32521 datasheet(19/44 Pages) EPCOS

19 / 44 page

Technical data

Reference standard: IEC 60384-2:2005. AEC-Q200D compliance on request. All data given at

T=20

°C, unless otherwise specified.

Rated temperature TR

+85

°C

Operating temperature range

Max. operating temperature Top,max

+125

°C

Upper category temperature Tmax

+125

°C

Lower category temperature Tmin

°C

Rated temperature TR

+85

°C

Dissipation factor tan

δ (in 10-3)

at 20

°C (upper limit values)

≤ 0.1 μF

0.1

μF<C

≤ 1 μF C

R >1

μF

1 kHz 8

10 kHz 15

100 kHz 30

Insulation resistance Rins

or time constant

τ =C

Rins

at 20

°C, rel. humidity ≤ 65%

(minimum as-delivered values)

≤ 0.33 μF

CR > 0.33

μF

≤ 100VDC

≥ 250VDC

3750 M

7500 M

1250 s

2500 s

DC test voltage

1.4

VR,2s

Category voltage VC

(continuous operation with

VDC or VAC at f

≤ 60 Hz)

Top (

°C)

DC voltage derating

AC voltage derating

Top

≤ 85

VC =VR

VC,RMS =VRMS

85<Top

≤125 V

C =VR

(165 Top)/80

VC,RMS=VRMS (165 Top)/80

Operating voltage Vop for

short operating periods

(VDC or VAC at f

≤ 60 Hz)

Top (

°C)

DC voltage (max. hours) AC voltage (max. hours)

Top

≤ 100

Vop = 1.25 VC (2000 h) Vop = 1.0 VC,RMS (2000 h)

100<Top

≤125 V

op = 1.25

VC (1000 h) Vop = 1.0 VC,RMS (1000 h)

Biased humidity

1000h/40

°C / 93% relative humidity with V

R,DC

Limit value after biased

humidity test

Capacitance change

ΔC/C

≤ 5%

Dissipation factor change

Δ tan δ≤ 5 10-3 (at 1 kHz)

Insulation resistance Rins

≥ 50% of minimum

or time constant

τ =C

Rins

as-delivered values

Reliability:

Failure rate

1 fit (

≤ 1 10-9/h) at 0.5 V

R,40

°C

Service life tSL

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

Capacitance change

ΔC/C

> 10%

of parameters

Dissipation factor tan

upper limit value

Insulation resistance Rins

< 150 M

Ω (C

≤ 0.33 μF)

or time constant

τ =C

Rins

<50s

(CR > 0.33

μF)

B32520 ... B32529

General purpose (stacked/wound)

Page 19 of 44

Please read Cautions and warnings and

Important notes at the end of this document.

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