79F221K-TR-RC Bourns Inc., 79F221K-TR-RC Datasheet - Page 86

• 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
• Magnetic shielded for low radiation
• Ferrite bobbin core
• Low core loss for high frequency power applications
• Low profi le, compact size
• Large terminal surface for good PCB bonding
• Operating temperature -25 to +85 °C
• Tape & reel packaged 1000/reel
Typical Applications
• Desktop, notebook computers, servers
• Network hubs, bridges, routers
• xDSL, PBX base stations
• GPS systems
• PDAs, MP3 players, digital cameras
• Digital TVs, DVDs, cable modems, DSS set-top boxes
• Battery chargers
• High frequency wireless communication devices
• Electronic game devices
Notes
* Rated current to cause max. 35 % of
** Closest alternative - these models are available on
5.16
requests as projects only. Please consult a Bourns
application engineer for the solution that best suits
your needs.
inductance drop and 30 °C temperature rise
Shielded, SMT Power Inductors
Tel. [phone] • Fax [phone]
www.bourns.com
6.5
Dimensions: mm
For RoHS compliant version, add “-RC” to part number.
Part
Number
PM638S-3R3
PM638S-5R0
PM638S-6R2
PM638S-7R4
PM638S-8R7
PM638S-100
PM638S-120
PM638S-150
PM638S-180
PM638S-220
PM638S-270
PM638S-330
PM638S-390
PM638S-470
PM638S-560
PM638S-680
PM638S-820
PM638S-101
2.0
Max
7.0
6.5
@ 10 KHz
± 30 %
L (μH)
9.5 Max
100
3.3
5.0
6.2
7.4
8.7
10
12
15
18
22
27
33
39
47
56
68
82
4.0 Max
7.0 Max
PM638S Series
0.020
0.024
0.027
0.031
0.034
0.038
0.053
0.057
0.092
0.096
0.109
0.124
0.138
0.155
0.202
0.234
0.324
0.358
Max.
DCR
(Ω)
2.0
Pad Layout
3.50
2.90
2.50
2.30
2.20
2.00
1.70
1.60
1.50
1.30
1.20
1.10
1.00
0.95
0.85
0.75
0.70
0.65
(A)
I*
7.3
7.3
Equivalent
SRR6038**
Bourns