B78108T1472K EPCOS Inc, B78108T1472K Datasheet - Page 4

• Manufacturer Part Number: B78108T1472K
• Description: CHOKE RF 4.7UH 380MA AXIAL
• Manufacturer: EPCOS Inc
• Series: MCCr

Specifications of B78108T1472K

• Inductance: 4.7µH
• Current: 380mA
• Tolerance: ±10%
• Dc Resistance (dcr): 650 mOhm Max
• Q @ Freq: 40 @ 7.96MHz
• Self Resonant Freq: 90MHz
• Package / Case: Axial
• Mounting Type: Through Hole
• Frequency - Test: 7.96MHz
• Material - Core: Ferrite Cylinder
• Applications: High Frequency
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Shielding: -
• Current - Saturation: -
• Current - Temperature Rise: -
• Other names: B78108T1472K000

Technical data and measuring conditions
Rated inductance L
Q factor Q
Rated temperature T
Rated current I
Inductance decrease ∆L/L
DC resistance R
Resonance frequency f
Solderability (lead-free)
Resistance to soldering heat (260 ±5) °C, 10 s (to IEC 60068-2-20, test Tb)
Tensile strength of leads
Climatic category
Storage conditions
Weight
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.
Please read Cautions and warnings and
Important notes at the end of this document.
RF chokes
MCC series, 3.3 × 7 (mm)
Mounting information
min
R
max
R
R
res,min
0
Measured with LCR meter Agilent 4284A
or impedance analyzer Agilent 4294A
Measuring frequency:
Measuring current:
Measuring temperature: 20 °C
Measured with precision impedance analyzer Agilent 4294A, 20 °C
40 °C
Maximum permissible DC current at rated temperature
≤ 10% (referred to initial value) at I
Measured at 20 °C
Measured with Agilent 4294A or 8753ES, 20 °C
Wetting of soldering area ≥ 90%
(to IEC 60068-2-20, test Ta)
≥ 20 N (to IEC 60068-2-21, test Ua)
Packaged: –25 °C … +40 °C, ≤ 75% RH
Approx. 0.25 g
Sn95.5Ag3.8Cu0.7: (245 ±5) °C, (3 ±0.3) s
55/125/56 (to IEC 60068-1)
Mounted: –55 °C … +125 °C
4
03/08
L
10 µH < L
≤ 1 mA
R
≤ 10 µH
R
R
, 20 °C
≤ 4700 µH = 100 kHz
B78108T, B78148T
=
1 MHz