B78108S1184J EPCOS Inc, B78108S1184J Datasheet - Page 4

• Manufacturer Part Number: B78108S1184J
• Description: CHOKE RF 180UH 270MA AXIAL
• Manufacturer: EPCOS Inc
• Series: BCr
• Type: Ferrite Corer

Specifications of B78108S1184J

• Inductance: 180µH
• Tolerance: ±5%
• Current: 270mA
• Dc Resistance (dcr): 3 Ohm Max
• Q @ Freq: 70 @ 796kHz
• Self Resonant Freq: 3.9MHz
• Package / Case: Axial
• Mounting Type: Through Hole
• Frequency - Test: 796kHz
• Material - Core: Ferrite Drum
• Applications: General Purpose
• Dimensions: 4 mm Dia. x 53 mm L
• Test Frequency: 0.796 MHz
• Maximum Dc Current: 270 mA
• Maximum Dc Resistance: 3 Ohms
• Self Resonant Frequency: 3.9 MHz
• Q Minimum: 70
• Operating Temperature Range: - 55 C to + 125 C
• Termination Style: Axial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Shielding: -
• Current - Saturation: -
• Current - Temperature Rise: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: B78108S1184J000

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
BC series, 4 9.2 (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
Measured at 20 C
Measured with Agilent 4294A or 8753ES, 20 °C
Sn95.5Ag3.8Cu0.7: (245 5) °C, (3 0.3) s
Wetting of soldering area
(to IEC 60068-2-20, test Ta)
55/125/56 (to IEC 60068-1)
Mounted: –55 °C … +125 °C
Packaged: –25 °C … +40 °C,
Approx. 0.38 g
10% (referred to initial value) at I
20 N (to IEC 60068-2-21, test Ua)
4
03/08
L
10 H < L
R
1 mA
90%
10 H
75% RH
R
R
, 20 C
4700 H = 100 kHz
B78108S, B78148S
=
1 MHz