9250-274 Bourns Inc., 9250-274 Datasheet - Page 2

• Manufacturer Part Number: 9250-274
• Description: INDUCTOR
• Manufacturer: Bourns Inc.

Specifications of 9250-274

• Inductance: 270µH
• Inductance Tolerance: ± 10%
• Dc Resistance Max: 5.8ohm
• Dc Current Rating: 115mA
• Self Resonant Frequency: 7MHz
• Q Factor: 55
• Inductor Case Style: Axial Leaded
• Inductor Type: Choke
• Body Material: Ferrite

† RoHS Directive 2002/95/EC Jan 27 2003
including Annex.
Special Features
• Ferrite magnetic shielded for low radiation
• High Q, high reliability
• Injection molded to protect coil
• Flame retardant coating
• Consistent body dimension
• Color band or numerical marking identifi cation
• Dielectric strength 1000 Vrms
• Operating temperature -55 to +105 °C
Notes
* Rated current to cause 35 °C
** Incremental current to cause 5 %
19.4
from extreme environments
max. temperature rise
max. inductance drop
Bourns recommends using the 9250A
Series as a replacement for the 9250 Series
0.025
Dimensions: Inches
1.0
Min.
-/+0.01
0.162
0.41 -/+0.02
Shielded, Molded Chokes
Tel. [phone] • Fax [phone]
www.bourns.com
“-RC” suffi x indicates RoHS compliance.
Part
Number
9250-105-RC
9250-125-RC
9250-155-RC
9250-185-RC
9250-225-RC
9250-275-RC
9250-335-RC
9250-395-RC
9250-475-RC
9250-565-RC
9250-685-RC
9250-825-RC
9250-106-RC
±10 %
10,000
L (µH)
1000
1200
1500
1800
2200
2700
3300
3900
4700
5600
6800
8200
Min.
60
45
45
45
45
45
45
45
45
44
40
40
40
Q
9250 Series continued
(MHz)
Freq.
Test
0.79
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
(MHz)
Min.
0.97
0.92
0.84
0.80
0.74
0.73
0.66
0.54
0.47
SRF
3.8
1.5
1.2
1.0
Max.
17.5
22.1
26.5
29.9
33.8
47.3
53.0
73.8
81.6
98.9
DCR
111
119
137
Ω
I, DC*
(mA)
70
60
55
50
50
40
40
35
31
28
27
26
24
I, Incr.**
(mA)
REV. 02/08
40
35
33
30
27
25
22
20
19
17
16
15
14