Electrical / Environmental
•
•
•
•
Operating Temperature Range
Ambient Temperature, Maximum
Temperature Rise, Maximum
Insulation System
-40°C to +125°C
+80°C
45°C
Class B, 130°C
Surface Mount Common Mode Chokes
HM85
S
RoH
liant
mp
Co
Schematic
Specifications @ 25°C
Inductance
(1-4 or 2-3)
mH
±30%
0.26
0.50
1.00
1.50
10.0
22.0
0.15
0.22
0.59
0.77
1.00
1.30
1.50
3.00
Rated
Current
Amps
3.0
2.2
1.8
1.5
1.0
0.5
5.6
3.7
5.6
4.7
3.2
3.0
2.4
2.0
DC
Resistance
m
W
Max.
15.5
50.0
70.0
100.0
450
850
10.0
30.0
18.5
40.0
55.0
60.0
90.0
120.0
Height
mm
Max.
5.6
8.3
8.3
8.3
8.3
8.3
9.3
10.0
10.0
10.0
10.0
10.0
10.0
10.0
Part
Number
HM85-32261LF
HM85-37501LF
HM85-37102LF
HM85-37152LF
HM85-37103LF
HM85-37223LF
HM85-44151LF
HM85-50221LF
HM85-50591LF
HM85-50771LF
HM85-50102LF
HM85-50132LF
HM85-50152LF
HM85-50302LF
Case Size
STM32
STM37
STM37
STM37
STM37
STM37
STM44
STM50
STM50
STM50
STM50
STM50
STM50
STM50
Notes: (1) Inductance is measured at 100kHz, 0.1Vrms.
(2) It is recommended that the temperature of the component (ambient plus temperature rise) does not exceed 125°C under worst case operating conditions.
Packaging
Standard:
Embossed Tape and Reel
Reel:
Diameter:
Capacity:
Case size STM32
Case size STM37
Case size STM44
Case size STM50
=
=
=
=
=
13” (330.2mm)
500 Units
200 Units
200 Units
150 Units
118
MAGNETIC COMPONENTS SELECTOR GUIDE 2009/10 EDITION
We reserve the right to change specifications without prior notice.
www.bitechnologies.com
Outline Dimensions (mm)
Figure 1
Recommended Solder Pad Layout
Figure 2
Recommended Solder Pad Layout
Case Size Figure
A
STM32
1
12.7
STM37
2
14.4
STM44
2
15.0
STM50
2
18.0
B
14.7
16.4
18.2
19.4
C
5.6
8.3
9.3
10.0
D
10.1
8.6
9.4
11.3
E
10.4
13.5
15.5
16.8
F
2.5
4.5
4.5
4.5
G
1.4
1.6
1.6
1.6
Ordering Information
HM85 - 37
Model Series
Case Size:
STM32, STM37, STM44, STM50
223
LF
TR
Lead-Free
Tape & Reel Packing
Inductance Code:
First 2 digits are significant. Last digit
denotes the number of trailing zeros.
www.bitechnologies.com
2009/10 EDITION MAGNETIC COMPONENTS SELECTOR GUIDE
119
We reserve the right to change specifications without prior notice.
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