B43255 データシートの表示（PDF） - EPCOS AG

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B43255

Snap-in capacitors

EPCOS AG 

Snap-in capacitors

Long life – 105 °C

B43255

Long life grade capacitors

Applications

■ Frequency converters

■ Professional power supplies in industrial electronics

Features

■ High reliability

■ High CV product

■ RoHS-compatible

■ Long load life of 5000 h at 105 °C

Construction

■ Aluminum case, fully insulated

■ Snap-in solder pins to hold component in place on PC-board

■ Minus pole marking on the insulating sleeve

■ Case with safety vent

Specifications and characteristics in brief

Rated voltage VR

Operating temperature

range

Rated capacitance CR

(20 °C, 120 Hz)

200 … 450 V DC

VR ≤ 400 V DC: –40 °C … +105 °C

VR ≥ 450 V DC: –25 °C … +105 °C

47 … 1500 µF

Capacitance tolerance ±20% M

Load life

(105 °C, VR, IAC,R)

Leakage current Ileak

(20 °C, after 5 minutes)

5000 h Requirements:

∆C/C ≤ ±20% of initial value

tan δ ≤ 2 times initial specified limit

Ileak ≤ initial specified limit

Ileak

≤

0.02

µA

⋅

⎛

⎝

C-----R--

µF

⋅

V--V---R- ⎠⎞

Dissipation factor (max.) VR (V DC)

200 ... 400

450

(20 °C, 120 Hz)

tan δ

0.15

0.20

Low temperature stability VR (V DC)

200 ... 400

450

(impedance ratio)

(120 Hz)

-Z----(--–---2----5-----°--C-----)

Z(+20 °C)

4

8

Shelf life

After storage for 1000 h at 105 °C, the capacitors shall meet the require-

ment of load life test after reforming process. After test: VR to be applied

for 30 minutes, 24 to 48 hours before measurement.

Frequency multiplier

for rated ripple current

50 Hz

0.90

120 Hz

1.00

1 kHz

1.20

10 kHz

1.50

20 kHz

1.55

Temperature multiplier +40 °C

for rated ripple current 2.7

+55 °C

2.5

+70 °C

2.1

+85 °C

1.7

+105 °C

1.0

Please read Cautions and warnings and

Important notes at the end of this document.

2 04/08

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