• These inductors feature low DC resistance and high current
handling capacities, making them ideal for power supply line
applications.
• These are coaxial horizontal types, highly miniaturized and
lightweight.
• Available in ammo-pack style tape packaging to support
automated mounting machines.
APPLICATIONS
Televisions, VCRs, personal computers, and other electronic
equipment.
SPECIFICATIONS
Inductance
Operating temperature range
Storage temperature range
Terminal tensile strength
1 to 4700µH
–20 to +85°C
[Including self-temperature rise]
–40 to +85°C [Unit of products]
24.5N min.
SP Series SP0508 Type
PACKAGING STYLE AND QUANTITIES
Packaging style
Taping
(Ammo-pack)
Bulk
Quantity
1000 pieces/box
200 pieces/pack
COLOR CODE MARKINGS (from left)
1: The first effective number
2: The second effective number
3: Multiplier
Color code
1
Color code table
Color
Black
Brown
Red
Orange
Yellow
Green
Blue
Purple
Gray
White
Silver
Gold
Effective number
0
1
2
3
4
5
6
7
8
9
—
—
Multiplier
1
10
100
1000
—
—
—
—
—
—
0.01
0.1
Inductance tolerance
±20%
—
—
—
—
—
—
—
—
—
±10%
±5%
PRODUCT IDENTIFICATION
SP
SPT
(1)
0508 A- 1R0 K - 3R8
(2) (3) (4) (5) (6)
-X
(7)
(1)Series name (Taping products are standard)
SP
SPT
Bulk
Taping
• According to JIS-C-0801
(2)Dimensions
0508
ø4.5×14mm
(3)Packaging style
A
No code
Dimensions in between tapes 52mm
Bulk
(4)Inductance value
1R0
101
1µH
100µH
(5)Inductance tolerance
K
±10%
(6)Rated current
3R8
R70
3.8A
0.7A
(7)TDK internal code
(Some products may not have this number. See the main body
for details).
• All specifications are subject to change without notice.
(2/3)
001-01 / 20030822 / e513_sp0508.fm
Inductors
For Power Line
Axial
SHAPES AND DIMENSIONS
ø0.65±0.05
ø4.5max.
SP Series SP0508 Type
CHARACTERISTICS
Operating temperature range
Storage temperature range
Terminal bending strength
Moisture resistance
–20 to +85°C
[Including self-temperature rise]
–40 to +85°C
24.5N min.
∆L/L
±10%
∆Q/Q
±25%
14max.
62(ref.)
Dimensions in mm
ELECTRICAL CHARACTERISTICS
Inductance
(µH)
1
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
43
47
56
68
82
100
120
150
180
∗
Inductance
tolerance
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
Test
Q min. frequency
L, Q (MHz)
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
15
15
15
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
0.796
0.796
0.796
Self-
resonant
frequency
(MHz)ref.
300
260
250
240
220
195
155
115
85
55
50
38
24
18
16
15
14
13
11
10
9.5
9.5
8
7.5
7
6.5
5
4.5
4
DC
resistance
(Ω)max.
0.022
0.024
0.026
0.029
0.031
0.034
0.038
0.04
0.044
0.048
0.051
0.056
0.062
0.076
0.088
0.11
0.13
0.14
0.2
0.22
0.28
0.28
0.3
0.34
0.385
0.48
0.595
0.9
1.1
Rated current(mA)
∗
max.
Based on
inductance
change
5600
5500
5000
4700
4500
4000
3400
3100
2800
2600
2400
2200
2100
1800
1700
1600
1400
1300
1200
1100
1000
1000
900
800
700
700
600
550
500
Based on
temperature rise
3800
3700
3600
3100
2900
2700
2600
2500
2400
2100
2000
1950
1900
1800
1700
1600
1550
1300
1200
1000
950
950
900
800
750
700
600
500
400
Part No.
SP0508-1R0K3R8
SP0508-1R2K3R7
SP0508-1R5K3R6
SP0508-1R8K3R1
SP0508-2R2K2R9
SP0508-2R7K2R7
SP0508-3R3K2R6
SP0508-3R9K2R5
SP0508-4R7K2R4
SP0508-5R6K2R1
SP0508-6R8K2R0
SP0508-8R2K2R0
SP0508-100K1R9
SP0508-120K1R8
SP0508-150K1R7
SP0508-180K1R6
SP0508-220K1R4
SP0508-270K1R3
SP0508-330K1R2
SP0508-390K1R0
SP0508-430K1R0
SP0508-470KR95
SP0508-560KR90
SP0508-680KR80
SP0508-820KR70
SP0508-101KR70
SP0508-121KR60
SP0508-151KR50
SP0508-181KR40
Rated current: Value obtained when current flows and the temperature has risen to 25°C or when DC current flows and the initial value of inductance has
fallen by 10%, whichever is smaller.
• Product’s part No. is changed as below by packaging style.
SRF: HP8753C NETWORK ANALYZER+HP85047A S-PARAMETER TEST SET
Rdc: MATSUSHITA VP-2941A DIGITAL MILLIOHM METER
• All specifications are subject to change without notice.
(3/3)
001-01 / 20030822 / e513_sp0508.fm
Inductors
For Power Line
Axial
ELECTRICAL CHARACTERISTICS
Inductance
(µH)
220
270
330
390
470
560
680
820
1000
1200
1500
4700
∗
SP Series SP0508 Type
Inductance
tolerance
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
Test
Q min. frequency
L, Q (MHz)
15
15
15
15
15
15
15
15
15
15
15
50
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.252
0.252
0.252
Self-
resonant
frequency
(MHz)ref.
3.8
3.5
3
2.8
2.5
2.2
2.1
2
1.8
1.6
1.5
0.7
DC
resistance
(Ω)max.
1.25
1.85
2.1
2.28
3.22
3.85
4
5
5.8
7.1
7.8
30
Rated current(mA)
∗
max.
Based on
inductance
change
440
420
380
340
320
290
260
250
240
200
190
120
Based on
temperature
rise
390
330
310
300
280
270
240
230
190
180
170
100
Part No.
SP0508-221KR39
SP0508-271KR33
SP0508-331KR31
SP0508-391KR30
SP0508-471KR28
SP0508-561KR27
SP0508-681KR24
SP0508-821KR23
SP0508-102KR19
SP0508-122KR18
SP0508-152KR17
SP0508-472KR10
Rated current: Value obtained when current flows and the temperature has risen to 25°C or when DC current flows and the initial value of inductance has
fallen by 10%, whichever is smaller.
• Product’s part No. is changed as below by packaging style.
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