78FR033M Bourns Inc., 78FR033M Datasheet - Page 132

• Manufacturer Part Number: 78FR033M
• Description: CHOKE, 33NH, 500MA, 20%, 400MHZ
• Manufacturer: Bourns Inc.

Specifications of 78FR033M

• Inductance: 33nH
• Inductance Tolerance: ± 20%
• Dc Resistance Max: 0.02ohm
• Dc Current Rating: 500mA
• Self Resonant Frequency: 400MHz
• Q Factor: 50
• Inductor Case Style: Axial Leaded
• No. Of Pins: 2
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Special Features
• Ferrite shield for low radiation
• High Q
• High reliability, high effi ciency
• Fixed lead spacing
• 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
15.4
5.0
Dimensions: mm
Max.
10.5
Shielded, Radial Lead RF Chokes
14.0
Max.
0.7 Dia.
5.0
Tel. [phone] • Fax [phone]
www.bourns.com
Only available as RoHS compliant.
Part
Number
RL181S-102J-RC
RL181S-122J-RC
RL181S-152J-RC
RL181S-182J-RC
RL181S-222J-RC
RL181S-272J-RC
RL181S-332J-RC
RL181S-392J-RC
RL181S-472J-RC
RL181S-562J-RC
RL181S-682J-RC
RL181S-822J-RC
RL181S-103J-RC
RL181S-123J-RC
RL181S-153J-RC
RL181S-183J-RC
RL181S-223J-RC
RL181S-273J-RC
RL181S-333J-RC
RL181S-363J-RC
RL181S-393J-RC
RL181S-473J-RC
RL181S-563J-RC
RL181S-683J-RC
RL181S-823J-RC
RL181S-104J-RC
RL181S-124J-RC
@ 1 KHz
100,000
120,000
10,000
12,000
15,000
18,000
22,000
27,000
33,000
36,000
39,000
47,000
56,000
68,000
82,000
L (μH)
±5 %
1000
1200
1500
1800
2200
2700
3300
3900
4700
5600
6800
8200
@ 50 KHz
(Min.)
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
70
70
70
70
70
70
Q
RL181S Series
(MHz)
Min.
0.77
0.70
0.64
0.57
0.51
0.48
0.44
0.41
0.38
0.35
0.32
0.28
0.25
0.22
0.22
0.19
0.19
0.16
0.16
0.14
0.12
0.12
0.12
0.09
0.09
0.09
0.09
SRF
Max.
DCR
10.4
12.1
13.0
15.0
17.0
19.5
22.0
26.0
27.0
45.0
52.0
58.0
67.0
71.0
82.0
(Ω)
3.4
3.7
4.0
4.5
5.2
5.8
6.1
7.2
7.5
8.4
9.7
97
I, DC*
(mA)
90
75
70
65
60
55
50
45
40
40
35
30
25
25
22
21
20
18
17
16
15
13
12
11
10
9
8
Equivalent
FSR1013
Bourns