79F221K-TR-RC Bourns Inc., 79F221K-TR-RC Datasheet - Page 137

• Manufacturer Part Number: 79F221K-TR-RC
• Description: Inductor, Axial, Conformal Coa
• Manufacturer: Bourns Inc.

Specifications of 79F221K-TR-RC

• Inductance: 200µH
• Inductance Tolerance: ± 20%
• Dc Resistance Max: 20ohm
• Self Resonant Frequency: 5MHz
• Dc Current Rating: 35mA
• Q Factor: 40
• Q Test Frequency: 790kHz
• Inductor Case Style: Axial Leaded
• Rohs Compliant: Yes

Special Features
• High current capacity
• Ferrite bobbin core
• Low core loss
• High reliability, high effi ciency
• Fixed lead spacing
• Winding covered with shrink tubing
• Operating temperature -55 to +105 °C
Typical Applications
• Switch mode power supplies
• DC/DC converters
• Desktop, notebook computers, servers
• Digital TVs, DVDs, cable modems, DSS set-top boxes
• Battery chargers
• Output chokes
• EMI fi lters
Notes
* Rated current to cause 10 % max. inductance drop
5.0
Dimensions: mm
10.5
Max.
15.5
Max.
0.7 Dia.
5.0
Radial Lead RF Chokes
Tel. [phone] • Fax [phone]
www.bourns.com
Only available as RoHS compliant.
Part
Number
RL824-100K-RC
RL824-120K-RC
RL824-150K-RC
RL824-180K-RC
RL824-220K-RC
RL824-270K-RC
RL824-330K-RC
RL824-390K-RC
RL824-470K-RC
RL824-560K-RC
RL824-680K-RC
RL824-820K-RC
RL824-101K-RC
RL824-121K-RC
RL824-151K-RC
RL824-181K-RC
RL824-221K-RC
RL824-271K-RC
RL824-331K-RC
RL824-391K-RC
RL824-471K-RC
RL824-561K-RC
RL824-681K-RC
RL824-821K-RC
RL824-102K-RC
RL824-122K-RC
RL824-152K-RC
RL824-182K-RC
RL824-222K-RC
RL824-272K-RC
RL824-332K-RC
RL824-392K-RC
@1 KHz
±10 %
L (μH)
1000
1200
1500
1800
2200
2700
3300
3900
100
120
150
180
220
270
330
390
470
560
680
820
10
12
15
18
22
27
33
39
47
56
68
82
RL824 Series
(MHz)
Min.
0.87
0.83
0.77
0.71
0.66
0.61
0.52
0.48
SRF
8.3
5.9
4.9
4.1
4.0
3.9
3.6
2.8
2.6
2.2
2.1
1.9
1.6
1.5
1.4
1.3
1.2
1.1
1.0
44
33
25
18
12
0.052
0.059
0.065
0.071
0.076
0.082
0.086
0.095
Max.
0.11
0.12
0.13
0.14
0.18
0.19
0.22
0.25
0.28
0.48
0.50
0.56
0.62
0.69
0.79
0.86
1.60
1.80
2.10
2.30
2.80
3.35
4.00
4.50
DCR
(Ω)
I, DC*
2.20
2.00
1.93
1.77
1.72
1.56
1.49
1.40
1.29
1.25
1.24
1.04
1.02
0.94
0.92
0.85
0.82
0.60
0.56
0.52
0.48
0.45
0.44
0.40
0.31
0.28
0.27
0.24
0.24
0.19
0.18
0.18
(A)
15.9