T
PL
IA
N
M
CO
*R
oH
S
Features
Applications
■ Formerly
model
■ High resistance to heat and humidity
■ Resistance to mechanical shock and
■ DC/DC converters
■ Power supplies
■ General use
22
0
pressure
■ Accurate dimensions for automatic
surface mounting
■ Wide inductance range (0.1 nH to 1000 µH)
■ RoHS compliant*
PM1812 Series SMT Chip Inductors
General Specifications
Temperature Rise ...................................................................................................................................................................... 20 ˚C max.
Ambient Temperature ............................................................................................................................................................. 100 ˚C max.
Operating Temperature....................................................................................................................................................-40 °C to +125 °C
Storage Temperature .......................................................................................................................................................-40 °C to +125 °C
Resistance to Soldering Heat .........................................................................................................................................245 ˚C, 5 seconds
Materials
Core ...................................................................................................................................................................................................Ferrite
Coil Type...................................................................................................................................................................................Copper wire
Enclosure.................................................................................................................................................................................. Epoxy resin
Terminal ...................................................................................................................................................................................................Sn
Recommended Land Pattern Dimensions
Product Dimensions
PM1812
Marking
c
3.2
(.125)
a
1.2
(.047)
4.5
(.177)
b
Model
3.2 ± 0.2
(.125 ± .008)
1.0
(.039)
1.0
(.039)
PM1812
a
b
c
2.4 to 2.6
(.094 to .102)
5.5 to 6.0
(.217 to .236)
2.0 to 3.0
(.079 to .118)
1.7 ± 0.2
(.066 ± .008)
MM
(INCHES)
DIMENSIONS:
Soldering Profiles
Temperature (°C)
275
5 seconds maximum
at +245 °C
225
245 °C
170 °C
183 °C
175
150 °C
60 seconds
maximum
125
120 -150 seconds
Ramp Down
5 °C/second
10 seconds minimum
75
Ramp Up
4 °C/second maximum
25
0
50
100
150
200
250
300
Time (Seconds)
WARNING Cancer and Reproductive Harm
www.P65Warnings.ca.gov
*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. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the
last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
PM1812 Series SMT Chip Inductors
Electrical Characteristics
RoHS Compliant
1812 Size
Part Number
PM1812-R10K-RC
PM1812-R12K-RC
PM1812-R15K-RC
PM1812-R18K-RC
PM1812-R22K-RC
PM1812-R27K-RC
PM1812-R33K-RC
PM1812-R39K-RC
PM1812-R47K-RC
PM1812-R56K-RC
PM1812-R68K-RC
PM1812-R82K-RC
PM1812-1R0J-RC
PM1812-1R2J-RC
PM1812-1R5J-RC
PM1812-1R8J-RC
PM1812-2R2J-RC
PM1812-2R7J-RC
PM1812-3R3J-RC
PM1812-3R9J-RC
PM1812-4R7J-RC
PM1812-5R6J-RC
PM1812-6R8J-RC
PM1812-8R2J-RC
PM1812-100J-RC
PM1812-120J-RC
PM1812-150J-RC
PM1812-180J-RC
PM1812-220J-RC
PM1812-270J-RC
PM1812-330J-RC
PM1812-390J-RC
PM1812-470J-RC
PM1812-560J-RC
PM1812-680J-RC
PM1812-820J-RC
PM1812-101J-RC
PM1812-121J-RC
PM1812-151J-RC
PM1812-181J-RC
PM1812-221J-RC
PM1812-271J-RC
PM1812-331J-RC
PM1812-391J-RC
PM1812-471J-RC
PM1812-561J-RC
PM1812-681J-RC
PM1812-821J-RC
PM1812-102J-RC
Inductance
μH
0.10
0.12
0.15
0.18
0.22
0.27
0.33
0.39
0.47
0.56
0.68
0.82
1.0
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
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
Tolerance
±10 %
±10 %
±10 %
±10 %
±10 %
±10 %
±10 %
±10 %
±10 %
±10 %
±10 %
±10 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
±5 %
Q
min.
35
35
35
35
40
40
40
40
40
40
40
40
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
40
40
40
40
40
40
40
40
40
30
30
30
30
Test Freq.
MHz
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
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
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.252
SRF min.
MHz
300
280
250
220
200
180
165
150
145
140
135
130
100
80
70
60
55
50
45
40
35
33
27
25
20
18
17
15
13
12
11
10
10
9
9
8
8
6
5
5
4
4
3.5
3
3
3
3
2.5
2.5
RDC
ohms max.
0.18
0.2
0.22
0.24
0.25
0.26
0.28
0.30
0.32
0.36
0.40
0.45
0.50
0.55
0.60
0.65
0.70
0.75
0.80
0.90
1.00
1.10
1.2
1.4
1.6
2
2.5
2.8
3.2
3.6
4
4.5
5
5.5
6
7
8
8
9
9.5
10
12
14
18
26
30
30
35
40
IDC
mA max.
800
770
730
700
665
635
605
575
545
520
500
475
450
430
410
390
380
370
355
330
315
300
285
270
250
225
200
190
180
170
160
150
140
135
130
120
110
110
105
102
100
92
85
80
62
50
50
30
30
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
PM1812 Series SMT Chip Inductors
Packaging Specifications
ØDo
t1
P3
E
F
B
W
t2
Model
PM1812
Chip
Component
P2
P1
A
Tape running direction
A
B
W
F
E
P1
P2
P3
øD0
øD1
t1
t2
3.60
(.142)
4.90
(.193)
12.00
(.472)
5.50
(.217)
1.75
(.069)
8.00
(.315)
2.00
(.079)
4.00
(.157)
1.50
(.059)
—
0.30
(.012)
3.50
(.138)
Reel Dimensions
Model
PM1812
A
178
(7.008)
B
C
D
E
W
60 min.
13
(.512)
21
(.827)
2
(.079)
13
(.512)
E
C
Packaging
B
Model
Quantity
Weight
PM1812
500 pcs.
100 g
DIMENSIONS:
MM
(INCHES)
D
A
W
REV. 09/14
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
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Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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