CYNTEC CO., LTD.
乾坤科技股份有限公司
DOCUMENT : PST031B-000
REVISION
: A7
PAGE
: 1 OF 4
Sealed Choke Coil PST031B type
Features
:
Low profile 3.0mm x 3.0mm x 1.2mm
Low coil resistance with large currents.
High magnetic shield construction should actualize high resolution for EMC protection.
100% lead (Pb) free meet RoHS standard
Application
Cellular phones, LCD displays, HDDs, DVCs, DSCs, PDAs etc..
Outline Dimensions
W
L
P
P
Code
L
W
T
P
Dimensions (mm)
3.0 ± 0.1
3.0 ± 0.1
1.2 Max
0.75 ± 0.2
T
Note
:This graph is in regard to outline dimensions spec. For outer appearance, please refer to actual product.
Recommend Land Pattern Dimensions
The customer shall determine the land dimensions shown above after confirming and safety.
B
A
C
A
2.7 ~ 2.9
B
1.2 ~ 1.4
C
3.0
Unit : mm
CYNTEC CO., LTD.
乾坤科技股份有限公司
DOCUMENT : PST031B-000
REVISION
: A7
PAGE
: 2 OF 4
Specifications
Part Number
L0
Inductance
( µH )
@ (0A)
PST031B-R47MS
PST031B-1R0MS
PST031B-1R5MS
PST031B-2R2MS
PST031B-3R3MS
PST031B-4R7MS
PST031B-5R6MS
PST031B-6R8MS
PST031B-8R2MS
PST031B-100MS
PST031B-150MS
PST031B-220MS
PST031B-330MS
PST031B-470MS
:
:
0.47
1.0
1.5
2.2
3.3
4.7
5.6
6.8
8.2
10.0
15.0
22.0
33.0
47.0
Heat Rating Current DC
Amps. Idc ( A )
Rdc ( mΩ)
Typical
36
52
60
85
134
184
231
256
337
397
572
854
1,587
2,246
Maximum
44
63
72
102
161
221
277
307
405
476
686
1,025
1,904
2,695
Saturation Current
DC Amps. Isat ( A )
Typical
Maximum
Typical
Maximum
3.40
2.80
2.50
2.20
1.71
1.43
1.26
1.25
1.05
1.00
0.80
0.60
0.40
0.36
3.06
2.52
2.25
1.98
1.53
1.28
1.14
1.13
0.95
0.90
0.72
0.54
0.36
0.32
3.80
3.40
3.10
2.90
1.92
1.71
1.55
1.49
1.32
1.26
1.10
0.86
0.48
0.36
3.42
3.06
2.60
2.40
1.72
1.53
1.39
1.24
1.20
1.05
0.83
0.72
0.43
0.32
*
If you require another part number please contact with us.
** Inductance Tolerance ± 20%
Note 1. All test data is referenced to 25
ambient.
Note 2. Test Condition 1MHz, 1.0Vrms
Note 3. Idc : DC current (A) that will cause an approximate T of 40
Note 4. Isat : DC current (A) that will cause Lo to drop approximately 30%
Note 5. Operating Temperature Range -55
to + 125
Note 6. The part temperature (ambient + temp rise ) should not exceed 125 under worse case operating
conditions. Circuit design , component placement, PWB trace size and thickness, airflow and other
cooling provision all affect the part temperature. Part temperature should be verified in the end
application.
Note 7. The rated current as listed is either the saturation current or the heating current depending
:
:
:
:
:
:
:
℃
△
℃
:
on which value is lower.
℃
℃
℃
CYNTEC CO., LTD.
乾坤科技股份有限公司
: A7
PAGE
: 3 OF 4
Current Characteristic
PST031B-1R0MS
90
1.2
75
0.40
50
INDUCTANCE(µH)
0.30
TEMP.RISE(
0.20
40
℃)
30
20
0.10
℃
TEMP RISE( )
60
10
0.00
INDUCTANCE(µH)
70
0.50
0
60
0.9
INDUCTANCE(µH)
TEMP RISE (
0.6
30
0.3
15
0
0.0
0.5
1.0
1.5
DC BIAS(Amps)
PST031B-1R5MS
1.5
75
2.5
1.2
60
INDUCTANCE(µH)
TEMP RISE (
℃)
45
0.6
30
0.3
15
℃
INDUCTANCE(µH)
3.0
TEMP RISE( )
INDUCTANCE(µH)
90
0.9
0
0.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
INDUCTANCE(µH)
TEMP RISE (
2.1
1.5
TEMP RISE (
℃)
0.7
20
0.0
0
℃
0
0.4
0.8
1.2
2.8
3.2
3.6
PST031B-4R7MS
100
80
4.0
60
INDUCTANCE(µH)
3.0
TEMP RISE (
℃)
40
2.0
℃
20
0
0.0
0.2
0.4
0.6
0.8
1.0 1.2 1.4 1.6
DC BIAS(Amps)
1.8
2.0
2.2
2.4
PST031B-6R8MS
8.0
100
50
4.4
INDUCTANCE(µH)
3.3
TEMP RISE (
40
℃)
30
2.2
20
1.1
℃
INDUCTANCE(µH)
60
5.5
TEMP RISE( )
INDUCTANCE(µH)
1.6
2.0
2.4
DC BIAS(Amps)
0.0
70
℃
20
1.0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0
DC BIAS(Amps)
80
6.0
60
4.0
INDUCTANCE(µH)
TEMP RISE (
℃)
40
2.0
20
10
0.0
0.0
40
0.5
5.0
1.4
PST031B-5R6MS
60
1.0
80
40
6.6
100
INDUCTANCE(µH)
6.0
60
℃)
4.5
80
100
INDUCTANCE(µH)
2.8
4.0
2.0
0.0
TEMP RISE( )
INDUCTANCE(µH)
3.5
3.5
0.0
4.0
PST031B-3R3MS
2.0
2.5
3.0
DC BIAS(Amps)
PST031B-2R2MS
DC BIAS(Amps)
4.2
45
0.0
0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0 4.4 4.8
1.8
℃)
℃
TEMP RISE( )
1.5
TEMP RISE( )
80
TEMP RISE( )
PST031B-R47MS
0.60
INDUCTANCE(µH)
REVISION
0
0.2
0.4
0.6
0.8
1.0
1.2
DC BIAS(Amps)
1.4
1.6
1.8
2.0
0.0
0.0
0
0.2
0.4
0.6
0.8 1.0 1.2
DC BIAS(Amps)
1.4
1.6
1.8
2.0
℃
TEMP RISE( )
DOCUMENT : PST031B-000
CYNTEC CO., LTD.
乾坤科技股份有限公司
INDUCTANCE(µH)
℃)
2.0
20
0.0
0.4
0.6
0.8
DC BIAS(Amps)
1.2
INDUCTANCE(µH)
4.0
TEMP RISE (
100
80
60
9.0
INDUCTANCE(µH)
40
℃)
3.0
20
0.0
0
℃
28.0
0.8
1.0
INDUCTANCE(µH)
40
℃)
30
7.0
0.0
0
0.30
0.40
DC BIAS(Amps)
1.6
PST031B-220MS
0.50
0.60
100
INDUCTANCE(µH)
10.0
TEMP RISE (
℃)
40
5.0
20
0.0
0
℃
PST031B-470MS
℃
50
36.0
INDUCTANCE(µH)
27.0
70
60
TEMP.RISE(
℃)
18.0
40
30
20
9.0
10
0.0
0
10
0.20
1.4
60
45.0
50
0.10
1.2
15.0
70
20
0.00
0.6
80
54.0
60
14.0
0.4
20.0
80
INDUCTANCE(µH)
35.0
TEMP.RISE(
20
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
DC BIAS(Amps)
TEMP RISE( )
INDUCTANCE(µH)
PST031B-330MS
21.0
0.2
25.0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4
DC BIAS(Amps)
42.0
40
℃)
0
0.0
12.0
TEMP RISE (
6.0
℃
DC BIAS(Amps)
15.0
6.0
60
0.0
1.4
PST031B-150MS
18.0
INDUCTANCE(µH)
1.0
80
8.0
2.0
INDUCTANCE(µH)
0.2
100
PST031B-100MS
10.0
0
0.0
: 4 OF 4
TEMP RISE( )
TEMP.RISE(
40
PAGE
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50
DC BIAS(Amps)
℃
TEMP RISE( )
4.0
℃
INDUCTANCE(µH)
60
TEMP RISE( )
6.0
TEMP RISE( )
INDUCTANCE(µH)
80
: A7
12.0
100
8.0
REVISION
TEMP RISE( )
PST031B-8R2MS
10.0
DOCUMENT : PST031B-000
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