4

06/12

Please read Cautions and warnings and

Important notes at the end of this document.

Technical data and measuring conditions

Mounting information

When bending the leads, take care that the start-of-winding areas at the face ends (protected by

glue and lacquer) are not subjected to any mechanical stress.

Measured with LCR meter Agilent 4284A

or impedance analyzer Agilent 4294A

Measuring frequency:

1 MHz

Measuring current:

1 mA

Measuring temperature: +20 °C

Measured with precision impedance analyzer Agilent 4294A,

+20 °C

+40 C

Maximum permissible DC current at rated temperature

Measured at 20 C

Solderability (lead-free)

Sn95.5Ag3.8Cu0.7: +(245 5) °C, (3 0.3) s

Wetting of soldering area

90%

(to IEC 60068-2-20, test Ta)

Resistance to soldering heat

+(260 5) °C, 10 s (to IEC 60068-2-20, test Tb)

Tensile strength of leads

20 N (to IEC 60068-2-21, test Ua)

Climatic category

55/125/56 (to IEC 60068-1)

Storage conditions

Mounted: –55 °C … +125 °C

Packaged: –25 °C … +40 °C,

75% RH

Weight

Approx. 0.38 g

B78108S, B78148S

RF chokes

BC series, 4 x 9.2 (mm)