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B82721K2401N021 Datasheet(PDF) 4 Page - EPCOS

Part # B82721K2401N021
Description  Current-compensated ring core double chokes
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Manufacturer  EPCOS [EPCOS]
Direct Link  http://www.epcos.com
Logo EPCOS - EPCOS

B82721K2401N021 Datasheet(HTML) 4 Page - EPCOS

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4
10/08
Please read Cautions and warnings and
Important notes at the end of this document.
Technical data and measuring conditions
Rated voltage VR
250 V AC (50/60 Hz)
Test voltage Vtest
1500 V AC, 2 s (line/line)
Rated temperature TR
40 °C / 50 °C / 60 °C
Rated current IR
Referred to 50 Hz and rated temperature
Rated inductance LR
Measured with Agilent 4284A at 0.1 mA, 20 °C
Measuring frequency: LR ≤ 1 mH = 100 kHz
LR > 1 mH = 10 kHz
Inductance is specified per winding.
Inductance tolerance
±30% at 20 °C
Inductance decrease
ΔL/L
0
< 10% at DC magnetic bias with IR, 20 °C
Stray inductance Lstray,typ
Measured with Agilent 4284A at 5 mA, 20 °C, typical values
Measuring frequency: LR ≤ 1 mH = 100 kHz
LR > 1 mH = 10 kHz
DC resistance Rtyp
Measured at 20 °C, typical values, specified per winding
Solderability (lead-free)
Sn96.5Ag3.0Cu0.5: (245
±5) °C, (3 ±0.3) s
Wetting of soldering area
≥ 95%
(to IEC 60068-2-20, test Ta)
Resistance to soldering heat
(wave soldering)
(260
±5) °C, (10 ±1) s
(to IEC 60068-2-20, test Tb)
Climatic category
40/125/56 (to IEC 60068-1)
Storage conditions (packaged)
–25 °C … +40 °C,
≤ 75% RH
Weight
Approx. 5 g
Approvals
EN 60938-2, UL 1283
B82721A/J/K
Power line chokes
Current-compensated ring core double chokes


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