B32932 데이터 시트보기 (PDF) - EPCOS AG

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B32932

Metallized Polyester Film Capacitors (MKT)

EPCOS AG 

B32932 ... B32936

AC applications (heavy duty series) / 305 V AC

Mounting guidelines

1

Soldering

1.1 Solderability of leads

The solderability of terminal leads is tested to IEC 60068-2-20, test Ta, method 1.

Before a solderability test is carried out, terminals are subjected to accelerated ageing (to

IEC 60068-2-2, test Ba: 4 h exposure to dry heat at 155 °C). Since the ageing temperature is far

higher than the upper category temperature of the capacitors, the terminal wires should be cut off

from the capacitor before the ageing procedure to prevent the solderability being impaired by the

products of any capacitor decomposition that might occur.

Solder bath temperature

Soldering time

Immersion depth

Evaluation criteria:

Visual inspection

235 ±5 °C

2.0 ±0.5 s

2.0 +0/0.5 mm from capacitor body or seating plane

Wetting of wire surface by new solder ≥90%, free-flowing solder

1.2 Resistance to soldering heat

Resistance to soldering heat is tested to IEC 60068-2-20, test Tb, method 1A.

Conditions:

Series

Solder bath temperature Soldering time

MKT boxed (except 2.5 × 6.5 × 7.2 mm) 260 ±5 °C

coated

uncoated (lead spacing > 10 mm)

10 ±1 s

MFP

MKP (lead spacing > 7.5 mm)

MKT boxed (case 2.5 × 6.5 × 7.2 mm)

5 ±1 s

MKP (lead spacing ≤ 7.5 mm)

MKT uncoated (lead spacing ≤ 10 mm)

insulated (B32559)

<4s

recommended soldering

profile for MKT uncoated

(lead spacing ≤ 10 mm) and

insulated (B32559)

Please read Cautions and warnings and

Important notes at the end of this document.

Page 8 of 18

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