Features
■ Formerly model
■ Current rating up to 7 A
■ Compact size
■ Tape and reel packaging
■ RoHS compliant*
Applications
■ Filtering
■ Common mode
PM3700 Series - SMD Common Mode Choke
*RoHS COMPLIANT
Temperature Rise ... 35 °C typical at Irms
Operating Temperature .. -55 °C to +125 °C
Storage Temperature
................................-55 °C to +125 °C
Soldering .......... 245 °C, 5 seconds max.
Dielectric Strength ................... 500 Vrms
between windings
Moisture Sensitivity Level .....................1
................. N/A
Materials
Core ..............................................Ferrite
Wire ................. Polyester-coated copper
Terminal Coating............. Sn-Ag-Cu alloy
Packaging ........200 pcs. per 13-inch reel
Bourns Part No.
Inductance
mH Min.
@ 1 kHz /
50 mV
Part
Marking
DCR
(Ω)
Max.
Irms
(A)
Leakage
Inductance
(μH) Typ.
Typical Frequency
Range with
20 dB Atten.
PM3700-10-RC 0.2 201 0.008 7.0 1.6 5 - 55 MHz
PM3700-20-RC 0.5 501 0.010 6.0 2.2 4 - 40 MHz
PM3700-30-RC 0.75 751 0.012 5.5 2.9 1 - 20 MHz
PM3700-40-RC 1.0 102 0.020 4.0 3.9 500 KHz - 40 MHz
PM3700-50-RC 2.0 202 0.030 3.5 0.3 300 KHz - 20 MHz
PM3700-60-RC 5.0 502 0.070 2.0 0.4 100 KHz - 10 MHz
PM3700-70-RC 10 103 0.150 1.5 0.5 50 KHz - 5 MHz
PM3700-80-RC 20 203 0.250 1.0 0.7 25 KHz - 4 MHz
Schematic Product Dimensions
Recommended Pad Layout
DIMENSIONS: MM
(INCHES)
32
41
XXX
3
1
24
17.78
(0.70)
21.6 ± 0.3
(0.850 ± 0.012)
1.91
(0.075)
POLARITY
MARK
SEE ‘PART
MARKING’ COLUMN
OF ELECTRICAL
SPECIFICATIONS
4.0
(0.157)
11.43
(0.45)
MAX.
TYP.
21.59
(0.850)
3
.
18
(0.125)
3
.
18
(0.125)
21.59
(0.850)
)C°( eru
tarepmeT
100
0
50
50
150
250
200
Rising Area
Temperature
±4.0 °C/sec. max.
Forced Cooling Area
PeakTemperature:
Time (Seconds)
100 150 200
60~150 sec.max.
60 sec.max.
250 °C
150 ~ 200 °C / 60 - 120 sec.
Preheat Area
+3.0 °C/
sec. max. 1.0~5.0 °C/sec. max.
Reflow Area
250
217 °C
Peak Temperature: 245 ° ±5 °C max., 30 sec. max.
Maximum Time Above 217 °C: 60~150 seconds
60~120 sec.max.
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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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the user’s sole risk.
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bilingual versions are available at:
Web Page:
http://www.bourns.com/legal/disclaimers-terms-and-policies
PDF: http://www.bourns.com/docs/Legal/disclaimer.pdf
*9
PM3700 Series - SMD Common Mode Choke
DIMENSIONS: MM
(INCHES)
REV. 09/17
22.10 ± 0.10
(.870 ± .004)
25.52
(1.005)
10 °
28.00 ± 0.10
(1.102 ± .004)
2.00
(.079) MIN.DIA. 1.50 +0.10/-0.00
(.059 +.004/-.000)
DIA.
4.0
(.157)
0.40 ± 0.05
(.016 ± .002)
2.00 ± 0.10
(.079 ± .004) 4.00 ± 0.10
(.157 ± .004)
5.9
(.232)
4.0
(.157)
10 °
5 ° MAX.
1.75 ± 0.10
(.069 ± .004)
11.60 ± 0.10
(.457 ± .004)
40.40 ± 0.20
(1.590 ± .008)
20.20 ± 0.10
(.795 ± .004)
44.00 ± 0.30
(1.732 ± .012)
11.60 ± 0.10
(.457 ± .004)
5.9
(.232)
11.60 ± 0.10
(.457 ± .004)
201
201
POLARITY
MARK
USER DIRECTION OF FEED
2.0 ± 0.5
(.079 ± .020) 50.4
(1.984)
46.0
(1.811)
50.0
(1.969)
330
(12.99)DIA.
13.0 ± 0.5
(.512 ± .020) DIA.
13.0 ± 0.5
(.512 ± .020)
DIA.
21.0 ± 0.8
(.827 ± .031)
EMBOSSED
CARRIER
EMBOSSED
CAVITY
0.10
(.004)
MAX.
THICKNESS
QTY: 200 PCS. PER REEL
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.
Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
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