B41754A7129M000中文资料

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Long-life grade capacitors

Applications

I High-reliability equipment in automotive power electronics, e.g. integrated starter alternator I Applications with highest ripple current load at high frequencies Features

I Outstanding ripple current capability I Optimized for high frequencies

I Optimized design for bottom cooling I Low profile

I Vibration resistance 30 g upon request I Stud mounting upon request

I Shelf life up to 10 years

I All-welded construction ensures reliable electrical contact Construction

I Charge-discharge proof, polar

I Aluminum case without insulating sleeve (for bottom cooling)

I Poles with screw terminal connections I Mounting with ring clips or clamps

B41754Capacitors with Screw Terminals Automotive – 125°C

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Specifications and characteristics in brief

Ripple current capability

Due to the ripple current capability of the contact elements, the following current upper limits must not be exceeded:

I ~max = 50 A

In case of additional thermal cooling:

I ~max = 55 A Rated voltage U R

Surge voltage U S

25 ... 63 VDC 1,15 · U R Rated capacitance C R

Capacitance tolerance

3 900 to 20 000 μF ± 20 % M Leakage current I L

(5 min, 20°C)

Self-inductance ESL

Approx. 13 nH Useful life

125°C, U R ; I ~R 85°C, U R ; I ~max 40°C, U R ; 3,4 · I ~R > 2 500 h > 15 000 h >200 000 h Requirements:?C /C ≤ ± 45 % of initial value ESR

≤ 3 times initial specified limit I L ≤ initial specified limit

Failure percentage:≤ 1 %

Failure rate:≤ 20 fit (≤ 20 · 10–9/h)

(for definiton “fit ”, refer to chapter “Quality ”, page 62)

Voltage endurance test

125°C; U R ; I ~R 2000 h Post test requirements:?C /C

≤ ± 15 % of initial value ESR

≤ 1,3 times initial specified limit I L ≤ initial specified limit

Vibration resistance To IEC 60068-2-6, test Fc:

displacement amplitude 0,75mm, frequency range 10 to 55Hz,

acceleration max. 10g , duration 3 × 2 h

Vibration resistance up to 30 g upon request

IEC climatic category To IEC 60068-1:

55/125/56 (– 55°C/+ 125°C/56 days damp heat test)

Detail specifications Sectional specification

Similar to CECC 30301-803, CECC 30301-807

IEC 60384-4I L 0,3μA C R μF -------U R V -------?è????0,7≤4μA +元器件交易网503f7e0dcc175527072208cd

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Dimensional drawing

Dimensions, weights and packing units

For ecological reasons the packing is pure cardboard.

Accessories

The following items are included in the delivery package, but are not fastened to the capacitors:

The following must be ordered separately:Ring clips

B44030 (cf. page 169)Insulating parts

B44020 (cf. page 166)

Terminal Dimensions (mm)Approx.weight (g)Packing unit

pieces d +0/–0,4I ± 0,8I 1 ± 0,8l 3 +0,2/–1d 2 ± 0,2 a +0,2/–0,4M 550,939,546,17,08,222,211522M 5

50,9

49,5

56,1

7,0

8,2

22,2

135

22

Thread

Toothed washers Screws/Nuts

Maximum torque For terminals

M 5 A 5,1 DIN 6797Cylinder-head screw M 5 × 8 DIN 84-4.8 2 Nm M 6

A 6,4 DIN 6797

Cylinder-head screw M 6 × 12 DIN 85-4.8

2,5 Nm

Stud mounting upon request

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Overview of available types

Case dimensions and ordering codes

U R (VDC)25405563C R (μF)

Case dimensions d × l (mm)

390050,9 × 39,5

470050,9 × 39,5

600050,9 × 49,5

750050,9 × 39,5

50,9 × 49,5

1200050,9 × 39,550,9 × 49,5

20000

50,9 × 49,5

U R VDC

C R μF

Case dimensions d × l mm Ordering code 251200050,9 × 39,5B41754A5129M0002000050,9 × 49,5B41754A5209M00040750050,9 × 39,5B41754A7758M0001200050,9 × 49,5B41754A7129M00055470050,9 × 39,5B41754A0478M000750050,9 × 49,5B41754A0758M00063

390050,9 × 39,5B41754A8398M0006000

50,9 × 49,5

B41754A8608M000

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Technical data

1)Max. 50 A due to max. terminal load

55 A in case of additional terminal cooling

C R

μF

ESR typ 100 Hz 20 °C m ?ESR max 100 Hz 20 °C m ?

ESR max 100 Hz ?40 °C m ?

ESR max 10 kHz 20 °C m ?

Z max 10 kHz 20 °C m ?

I ~max (B)10 kHz 85 °C A

I ~max (B)10 kHz 105 °C A

I ~R

10 kHz 125 °C A

I ~R (B)10 kHz 125 °C A

25 VDC 1200021362342728501)501)7,6202000014241561819501)501)8,52140 VDC 750021362342728501)501)7,6201200015251621819501)501)8,52155 VDC 470023392342830501)501)7,620750017291742324501)501)8,52163 VDC 390023392342830501)501)7,620600017

29

174

23

24

501)

501)

8,5

21

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Useful life

depending on ambient temperature T A (for natural cooling) and versus temperature of case base T B

1)

Depending on ambient temperature T A (for natural cooling) and versus temperature of case base T B (for base cooling) under ripple current operating conditions at U op 1)U R = 25 V: U op ≤ 22 V U R = 55 V: U op ≤ 48 V

3500 h rated service life at 125 °C;

up to 500 h (accumulated) operating at 150 °C in discontinous operation

1)Refer to page 40 for an explanation on how to interpret the useful life graphs.

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Frequency factor of permissible ripple current I ~

Frequency characteristics of ESR typical behavior

Impedance Z

at different temperatures T

Typical behavior for 3900 μF/63 V

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元器件交易网503f7e0dcc175527072208cd

Herausgegeben von EPCOS AG

Unternehmenskommunikation, Postfach 801709, 81617 München, DEUTSCHLAND

( ++49 89 636 09, FAX (089) 636-2 2689

EPCOS AG 2002. Vervielf?ltigung, Ver?ffentlichung, Verbreitung und Verwertung dieser Broschüre und ihres Inhalts ohne aus-

drückliche Genehmigung der EPCOS AG nicht gestattet.

Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen für Erzeugnisse und Leistungen der Elek-

troindustrie, soweit nichts anderes vereinbart wird.

Diese Broschüre ersetzt die vorige Ausgabe.

Fragen über Technik, Preise und Lieferm?glichkeiten richten Sie bitte an den Ihnen n?chstgelegenen Vertrieb der EPCOS AG

oder an unsere Vertriebsgesellschaften im Ausland. Bauelemente k?nnen aufgrund technischer Erfordernisse Gefahrstoffe ent-

halten. Auskünfte darüber bitten wir unter Angabe des betreffenden Typs ebenfalls über die zust?ndige Vertriebsgesellschaft ein-

zuholen.

Published by EPCOS AG

Corporate Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY

( ++49 89 636 09, FAX (089) 636-2 2689

EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the information contained therein without

EPCOS’ prior express consent is prohibited.

Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics

Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed.

This brochure replaces the previous edition.

For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representa-

tives.

Due to technical requirements components may contain dangerous substances. For information on the type in question please

also contact one of our Sales Offices.

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