78F221J Bourns Inc., 78F221J Datasheet - Page 2

• Manufacturer Part Number: 78F221J
• Description: CHOKE, 220UH, 76MA, 5%, 4MHZ
• Manufacturer: Bourns Inc.

Specifications of 78F221J

• Inductance: 220µH
• Inductance Tolerance: ± 5%
• Dc Resistance Max: 6.8ohm
• Dc Current Rating: 76mA
• Self Resonant Frequency: 4MHz
• Q Factor: 60
• Inductor Case Style: Axial Leaded
• No. Of Pins: 2
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Product Dimensions
78F Series Conformal Coated RF Choke
(0.11)
2.79
MAX.
25.40
(1.0)
MIN.
DIMENSIONS:
(0.28)
MAX.
7.11
(INCHES)
MM
25.40
(1.0)
MIN.
(0.020)
0.51
Customers should verify actual device performance in their specifi c applications.
Example for 6.8 µH, ±5 %
Example for 270 µH, ±5 %
Orange
Yellow
Brown
Green
White
Silver
Black
Violet
Color
Gold
Gray
Blue
Red
Typical Part Marking - EIA Color Code
Specifi cations are subject to change without notice.
Significant
1st & 2nd
1st signifi cant fi gure (Blue)
2nd signifi cant fi gure (Gray)
Multiplier (Gold)
Tolerance (Gold)
1st signifi cant fi gure (Red)
2nd signifi cant fi gure (Purple)
Multiplier (Brown)
Tolerance (Gold)
Figure
0
1
2
3
4
5
6
7
8
9
Multiplier
1000
0.01
100
0.1
10
1
REV. 10/09
Tolerance
±10 %
±5 %