DRA74-221-R COILTRONICS, DRA74-221-R Datasheet - Page 6

• Manufacturer Part Number: DRA74-221-R
• Description: INDUCTOR POWER, 20UH, 7.8A, PCB
• Manufacturer: COILTRONICS

Specifications of DRA74-221-R

• Inductance Tolerance: ± 20%
• Dc Resistance Max: 0.96ohm
• Dc Current Rating: 0.544Arms
• Inductor Case Style: SMD
• No. Of Pins: 2
• Lead Spacing: 4.6mm
• Inductor Type: Power
• Inductance: 220µH
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Magnetics Solutions
For Automotive Applications
Temperature Rise vs. Watt Loss
70
60
50
40
30
20
10
0
70
60
50
40
30
20
10
0
0
0
0.04
0.1
0.08
0.2
0.12
0.3
0.16
DRA 124 series
0.2
0.4
0.24
DRA 73 series
0.5
0.28
To t a l L o ss (W )
To t a l L o ss (W )
0.6
0.32
0.36
0.7
0.4
0.8
80
70
60
50
40
30
20
10
0
0
0.44
0.9
0.1
0.48
0.2
0.52
1
0.56
0.3
1.1
0.6
0.4
1.2
0.64
DRA 127 series
0.5
1.3
0.68
0.6
Total Loss (W)
0.7
0.8
70
60
50
40
30
20
10
0
70
60
50
40
30
20
10
0
0
0
0.9
0.1
0.1
1
High Efficiency, Shielded Inductors
0.2
0.2
1.1
1.2
0.3
0.3
DRA 125 series
1.3
0.4
DRA 74 series
0.4
1.4
0.5
0.5
Total Loss (W)
1.5
Total Loss (W)
0.6
0.6
High Power Density,
0.7
0.7
0.8
0.8
0.9
0.9
DRA Series
1
1
1.1
1.1
1.2
1.2
1.3