78FR18M-RC Bourns Inc., 78FR18M-RC Datasheet - Page 133

• Manufacturer Part Number: 78FR18M-RC
• Description: CHOKE, 180NH, 500MA, 20%, 400MHZ
• Manufacturer: Bourns Inc.

Specifications of 78FR18M-RC

• Inductance: 180nH
• Inductance Tolerance: ± 20%
• Dc Resistance Max: 0.08ohm
• Dc Current Rating: 500mA
• Self Resonant Frequency: 400MHz
• Q Factor: 40
• Inductor Case Style: Axial Leaded
• No. Of Pins: 2
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Special Features
• High Q
• 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
Max.
8.0
11.2
Max.
0.62 Dia.
5.0
Radial Lead RF Chokes
Tel. [phone] • Fax [phone]
www.bourns.com
Only available as RoHS compliant.
Part
Number
RL187-101J-RC
RL187-121J-RC
RL187-151J-RC
RL187-181J-RC
RL187-221J-RC
RL187-271J-RC
RL187-331J-RC
RL187-391J-RC
RL187-471J-RC
RL187-561J-RC
RL187-681J-RC
RL187-821J-RC
RL187-102J-RC
RL187-122J-RC
RL187-152J-RC
RL187-182J-RC
RL187-222J-RC
RL187-272J-RC
RL187-332J-RC
RL187-392J-RC
RL187-472J-RC
RL187-562J-RC
RL187-682J-RC
RL187-822J-RC
RL187-103J-RC
RL187-123J-RC
RL187-153J-RC
RL187-183J-RC
RL187-223J-RC
RL187-273J-RC
RL187-333J-RC
L (μH)
10000
12000
15000
18000
22000
27000
33000
±5 %
1000
1200
1500
1800
2200
2700
3300
3900
4700
5600
6800
8200
100
120
150
180
220
270
330
390
470
560
680
820
(Min.)
100
100
100
100
100
100
100
80
80
80
80
80
80
80
80
80
80
80
80
90
90
90
90
90
90
90
90
90
90
90
90
Q
RL187 Series
Freq.
(KHz)
Test
79.6
79.6
79.6
79.6
79.6
79.6
79.6
796
796
796
796
796
796
796
796
796
796
796
796
252
252
252
252
252
252
252
252
252
252
252
252
(MHz)
Min.
SRF
5.3
4.5
3.8
3.3
2.9
2.6
2.3
2.1
1.9
1.7
1.6
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.6
0.5
0.5
0.4
0.4
0.4
0.4
0.3
0.3
0.3
0.3
Max.
DCR
(Ω)
2.0
2.0
2.0
3.0
3.0
3.0
4.0
4.0
4.0
4.0
4.0
6.0
6.0
9.0
9.0
9.0
13
13
13
13
18
18
26
26
40
40
60
60
80
80
80
I, DC*
(mA)
200
200
200
200
200
200
200
200
200
200
200
200
150
150
150
100
100
100
100
50
50
50
50
50
40
40
40
30
30
30
30
Equivalent
RLB1014
Bourns
15.5