PM638S - Bourns

PL
IA
NT
Features
Applications
CO
M
■ Formerly
model
■ Input/output of DC/DC converters
*R
oH
S
■ Height of 4.0 mm max.
■ Power supplies for:
■ Current rating up to 3.5 A
•
•
•
•
■ RoHS compliant*
Portable communication equipment
Camcorders
LCD TVs
Car radios
PM638S Series - Shielded SMD Power Inductor
Electrical Specifications
General Specifications
Inductance 100 kHz
Bourns Part No.
PM638S-3R3-RC
PM638S-5R0-RC
PM638S-6R2-RC
PM638S-7R4-RC
PM638S-8R2-RC
PM638S-8R7-RC
PM638S-100-RC
PM638S-120-RC
PM638S-150-RC
PM638S-180-RC
PM638S-220-RC
PM638S-270-RC
PM638S-330-RC
PM638S-390-RC
PM638S-470-RC
PM638S-560-RC
PM638S-680-RC
PM638S-820-RC
PM638S-101-RC
(µH)
3.3
5.0
6.2
7.4
8.2
8.7
10
12
15
18
22
27
33
39
47
56
68
82
100
Tol. %
±30
±30
±30
±30
±30
±30
±30
±30
±30
±30
±30
±30
±30
±30
±30
±30
±30
±30
±30
Q
Ref.
9.8
8.9
9.0
7.5
7.4
7.3
8.8
8.3
8.6
8.0
8.8
7.7
8.6
8.3
8.5
8.2
7.4
7.6
6.7
Test
Frequency
(MHz)
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
0.796
SRF
Typ.
(MHz)
75.9
42.6
42.3
32.9
29.6
27.5
24.9
17.9
18.0
13.8
13.9
12.5
12.5
11.8
10.4
8.8
7.5
7.6
6.2
DCR
Max.
(mΩ)
20
24
27
31
34
34
38
53
57
92
96
109
124
138
155
202
234
324
358
Irms
(A)
3.50
2.90
2.50
2.30
2.20
2.20
2.00
1.70
1.60
1.50
1.30
1.20
1.10
1.00
0.95
0.85
0.75
0.70
0.65
Isat
(A)
3.60
2.95
2.60
2.55
2.45
2.35
2.05
1.95
1.90
1.70
1.60
1.30
1.20
1.10
1.00
0.90
0.87
0.75
0.68
Test Voltage .................... 0.1 V, 100 KHz
Reflow Soldering ....230 ˚C; 50 sec max.
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature .. -40 °C to +125 °C
Resistance to Soldering Heat
............................... 260 °C for 10 sec.
Materials
Core Material ................................Ferrite
Wire ...........................Enameled Copper
Adhesive .............................Epoxy Resin
Terminal ....................................Ag/Ni/Sn
Rated Current .......Ind. drop of 35 % typ.
at Isat
Temperature Rise ....... 30 ˚C typ. at Irms
Packaging .................. 1000 pcs. per reel
Product Dimensions
6.80 ± 0.20
(.268 ± .008)
100
Soldering Profile
6.80 ± 0.20
(.268 ± .008)
275
<1> Maximum of 10 seconds between
+255°C and +260°C
260°C peak
<1> 255°C
225
3.80 ± 0.20
(.150 ± .008)
220°C
Temperature (°C)
190°C
Ramp Down
6°C/second
maximum
60 - 90
seconds
175
2.30
(.091)
TYP.
150°C
125
120 - 150 seconds
TYP.
2.20
(.087)
10 seconds minimum
75
Ramp Up
3°C/second maximum
2.30
(.091)
TYP.
25
0
50
100
150
200
250
Time (seconds)
300
Rev. 02/22/05
Recommended Layout
Electrical Schematic
7.30
REF.
(.287)
R
2.70
(.106)
REF.
2.60
(.102)
REF.
REF.
2.10
(.083)
LCR METER
2.60
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
DIMENSIONS:
(.102)
MM
(INCHES) REF.
PM638S Series - Shielded SMD Power Inductor
Inductance vs. Current
PM638S-3R3-RC
PM638S-120-RC
14
Inductance (μH)
Inductance (μH)
3
2
1
12
10
8
6
4
2
0
0
0
1
2
3
4
5
0
6
0.5
1
Inductance (μH)
Inductance (μH)
PM638S-5R0-RC
5
4
3
2
0
1
2.5
3
0.5
1
1.5
2
2.5
Current (A)
0
1
2
3
4
Inductance (μH)
Current (A)
Inductance (μH)
2
PM638S-150-RC
16
14
12
10
8
6
4
2
0
0
PM638S-6R2-RC
7
6
5
4
3
2
1
0
PM638S-180-RC
21
18
15
12
9
6
3
0
0
0.5
1
1.5
2
1.5
2
Current (A)
0
1
2
3
4
Inductance (μH)
Current (A)
Inductance (μH)
1.5
Current (A)
Current (A)
PM638S-7R4-RC
8
6
4
2
0
PM638S-220-RC
25
20
15
10
5
0
0
0
1
2
3
0.5
1
Current (A)
4
PM638S-8R7-RC
10
8
6
4
2
0
0
0.5
1
1.5
2
Inductance (μH)
Inductance (μH)
Current (A)
2.5
3
25
20
15
10
5
0
0
Current (A)
PM638S-100-RC
12
10
8
6
4
2
0
0
0.5
1
1.5
0.5
1
1.5
2
Current (A)
Inductance (μH)
Inductance (μH)
PM638S-270-RC
30
2
2.5
3
Current (A)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
PM638S-330-RC
40
30
20
10
0
0
0.5
1
Current (A)
1.5
PM638S Series - Shielded SMD Power Inductor
Inductance vs. Current
PM638S-390-RC
PM638S-680-RC
80
Inductance (μH)
Inductance (μH)
40
30
20
10
60
40
20
0
0
0
0.5
1
0
1.5
0.2
0.5
Inductance (μH)
Inductance (μH)
0.8
1
PM638S-820-RC
PM638S-470-RC
0
0.6
Current (A)
Current (A)
60
50
40
30
20
10
0
0.4
1
100
80
60
40
20
0
0
0.2
1.5
0.4
0.6
0.8
1
0.8
1
Current (A)
Current (A)
Inductance (μH)
Inductance (μH)
PM638S-101-RC
PM638S-560-RC
60
50
40
30
20
10
0
120
100
80
60
40
20
0
0
0
0.2
0.4
0.6
0.8
1
Current (A)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
0.2
0.4
0.6
Current (A)
PM638S Series - Shielded SMD Power Inductor
Packaging Specifications
330.0
(12.99)
DIA.
2.0 ± 0.5
(.079 ± .020)
21.0 ± 0.8
(.827 ± .032)
22.4
(.882)
DIA.
13.0 ± 0.5
(.512 ± .020)
50.0 - 0
(1.969 - 0)
13.0 ± 0.5
DIA.
(.512 ± .020)
18.0 + 0
(.709 + 0)
12.0
(.472)
END
100
4.0
(.157)
100
100
NO COMPONENT
START
100
NO COMPONENT
200
(7.87)
COMPONENTS
USER DIRECTION OF FEED
QTY: 1000 PCS. PER REEL
REV. 03/11
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
400
(15.75)
DIMENSIONS:
MM
(INCHES)