78FR033M Bourns Inc., 78FR033M Datasheet - Page 135

• 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
• 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
Note
* Rated current to cause 10 % max. inductance drop
5.0
Dimensions: mm
Max.
8.5
11.0
Max.
0.62 Dia.
5.0
Radial Lead RF Chokes
Tel. [phone] • Fax [phone]
www.bourns.com
Only available as RoHS compliant.
Part
Number
RL622-1R0K-RC
RL622-1R5K-RC
RL622-2R2K-RC
RL622-3R3K-RC
RL622-4R7K-RC
RL622-6R8K-RC
RL622-100K-RC
RL622-120K-RC
RL622-150K-RC
RL622-180K-RC
RL622-220K-RC
RL622-270K-RC
RL622-330K-RC
RL622-390K-RC
RL622-470K-RC
RL622-560K-RC
RL622-680K-RC
RL622-820K-RC
RL622-101K-RC
RL622-121K-RC
RL622-151K-RC
RL622-181K-RC
RL622-221K-RC
RL622-271K-RC
RL622-331K-RC
RL622-391K-RC
RL622-471K-RC
RL622-561K-RC
RL622-681K-RC
RL622-821K-RC
RL622-102K-RC
RL622-122K-RC
RL622-152K-RC
RL622-182K-RC
RL622-222K-RC
RL622-272K-RC
RL622-332K-RC
RL622-392K-RC
RL622-472K-RC
RL622-562K-RC
RL622-682K-RC
RL622-822K-RC
RL622-103K-RC
RL622-123K-RC
RL622-153K-RC
RL622-183K-RC
RL622-223K-RC
RL622-273K-RC
RL622-333K-RC
RL622-393K-RC
RL622-473K-RC
RL622-563K-RC
RL622-683K-RC
RL622-823K-RC
RL622-104K-RC
100,000
±10 %
10,000
12,000
15,000
18,000
22,000
27,000
33,000
39,000
47,000
56,000
68,000
82,000
L (μH)
1000
1200
1500
1800
2200
2700
3300
3900
4700
5600
6800
8200
100
120
150
180
220
270
330
390
470
560
680
820
1.0
1.5
2.2
3.3
4.7
6.8
10
12
15
18
22
27
33
39
47
58
68
82
(Min.)
20
20
20
20
20
20
50
50
40
40
40
30
30
30
30
30
30
30
20
20
20
20
20
20
20
20
20
20
20
20
50
50
20
20
20
20
20
20
20
20
20
20
40
40
40
30
30
30
30
30
20
20
20
20
20
Q
(MHz)
Freq.
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.025
Test
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
RL622
(MHz)
Min.
SRF
150
130
100
9.2
8.5
7.8
6.9
6.5
5.4
4.9
4.1
3.7
3.4
3.2
2.8
2.7
2.4
2.3
2.1
1.9
1.8
1.6
1.5
1.3
1.1
1.0
1.0
0.9
0.9
0.7
0.6
0.5
0.4
0.4
0.3
0.3
0.3
0.2
0.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
79
51
29
14
13
12
11
0.013
0.016
0.021
0.025
0.030
0.035
0.045
0.050
0.056
0.061
0.070
0.080
0.090
135.0
150.0
212.0
235.0
Max.
DCR
0.10
0.16
0.18
0.21
0.23
0.28
0.32
0.37
0.58
0.65
0.75
0.85
14.0
16.0
18.0
19.0
21.0
25.0
33.0
37.0
40.0
56.0
62.0
70.0
80.0
99.0
(Ω)
1.0
1.1
1.4
1.6
1.8
2.9
4.0
6.1
6.4
6.8
7.7
9.0
I, DC*
0.91
0.84
0.75
0.69
0.64
0.57
0.54
0.48
0.46
0.41
0.38
0.35
0.29
0.13
0.08
0.08
0.08
0.08
0.08
0.08
0.05
0.05
0.05
0.05
0.05
0.04
0.04
0.04
0.03
0.03
0.03
0.03
0.03
0.02
0.02
0.02
0.02
(A)
8.5
6.5
5.5
4.3
3.7
3.0
2.7
2.3
2.2
2.0
1.7
1.6
1.5
1.4
1.3
1.2
1.1
10
Equivalent
RLB1014
Bourns
15.7