Taping Power Inductors
!
7708
Frequency Range:~1MHz
Inductance Range:10~1000µH
°
Temperature Coefficient:800±400ppm/°C
!7710
Frequency Range:~1MHz
Inductance Range:10µH~4.7mH
Temperature Coefficient:1000±400ppm/°C
φ10.2
10.6Max.
5.0
18.0
φ0.6
Fixed
Fixed
Features
q
7708type is a small shielded power inductor.
Best suited as a choke coil for power circuits.
q
7708 types come in a taping for automatic insertion.
Characteristics of DC Resistance
10
10
Chracteristics of DC Superposition
DC Resistance ( )
1
DC Current (A)
7708
1
7708
0.1
0.01
10
0.1
Inductance (
µ
H)
100
1000
10
Inductance (
µ
H)
100
1000
Notes: 1. Graphs are based on typical values of each type, not spec. values.
2. DC current value is being measured at 10% decrease of inductance.
Taping Power Inductors
Coil Selection Guide
Inductance
DC Resistance
(
Ω
)
max. - typical
Code
100
120
150
180
220
270
330
390
470
560
680
820
101
121
151
181
221
271
331
391
471
561
681
821
102
(
µ
H)
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
7708
0.057
0.061
0.071
0.082
0.12
0.13
0.14
0.15
0.18
0.24
0.27
0.30
0.34
0.47
0.63
0.70
1.0
1.1
1.6
1.7
1.9
2.2
3.0
3.4
3.7
0.043
0.046
0.054
0.061
0.090
0.097
0.109
0.108
0.129
0.175
0.200
0.223
0.250
0.347
0.466
0.525
0.734
0.822
1.154
1.250
1.408
1.595
2.262
2.520
2.782
0.038
0.043
0.048
0.058
0.063
0.074
0.11
0.12
0.13
0.15
0.16
0.18
0.20
0.29
0.31
0.37
0.41
0.56
0.62
0.87
0.95
1.3
1.5
2.0
2.2
7710
0.010
0.011
0.014
0.019
0.022
0.028
0.032
0.040
0.049
0.058
0.067
0.084
0.100
0.117
0.146
0.184
0.221
0.269
0.326
0.391
0.467
0.551
0.684
0.826
1.000
7708
2000
1500
1400
1300
1200
1100
1000
980
940
840
780
720
630
610
530
450
370
350
330
300
280
250
230
210
190
7710
2300
2200
2100
1700
1600
1500
1300
1200
1100
1000
970
900
770
750
640
540
520
480
430
380
350
320
290
270
250
7708
1800
1700
1600
1500
1350
1300
1250
1200
1100
1000
880
830
790
670
600
550
450
430
380
350
330
310
250
240
230
7710
2700
2600
2500
2300
2100
2000
1800
1700
1650
1600
1500
1400
1300
1100
1000
950
860
750
700
640
600
530
510
410
390
Rated DC Current
(mA)
Allowable DC Current
(mA)
Notes: 1. Measurement Frequency for Inductance: 1kHz.
2. Rated DC Current: Value of inductance decrease within 10%.
3. Allowable DC Current: See Table below for Value of Temperature Rise.
Parts Code
7708
Type
101
K
Inductance Code Tolerance
Inductance range
Temperature rise
Tolerance
±20%(M)
±10%(K)
±5%(J)
7708
10µH
12~1000µH
-
7710
10µH
12~1000µH
-
7708
o
7710
+35 Cmax.