Electrical / Environmental
Encapsulated Current Sense Transformers
• Insulation Resistance, Minimum
• Operating Temperature Range
• Dielectric Withstanding Voltage
100 MΩ
-25°C to +105°C
4.2 kV Pri to Sec
Schematics
Schematic A
Schematic B
Schematic C
Schematic D
Specifications @ 25°C / Packaging
Part
Number
Turns Ratio
±1%
or
±1
turn
whichever
is greater
Secondary
Inductance
@ 10 kHz
mH min.
Secondary
DC
Resistance
Ω
Max.
Secondary
V-
µ
S Max.
Current
1 Turn
Primary
Amps
Carton
Box
Quantity
(Units)
Schematic
Figure
HM31-10050
HM31-10100
HM31-20050
HM31-20100
HM31-20200
HM31-21050
HM31-21100
HM31-21200
HM31-20050L
HM31-20100L
HM31-20200L
HM31-21050L
HM31-21100L
HM31-21200L
HM31-30050
HM31-30100
HM31-30200
HM31-30300
HM31-31050
HM31-31100
HM31-31200
HM31-31300
1:50
1:100
1:50
1:100
1:200
1:25:25
1:50:50
1:100:100
1:50
1:100
1:200
1:25:25
1:50:50
1:100:100
1:50
1:100
1:200
1:300
1:25:25
1:50:50
1:100:100
1:150:150
5
20
5
20
85
1.3
5
20
5
20
85
1.3
5
20
5
20
85
195
1.3
5
20
48
0.7
1.4
0.7
1.4
4.5
0.7
1.4
4.5
0.7
1.4
4.5
0.7
1.4
4.5
0.7
1.4
4.5
11.0
0.7
1.4
4.5
11.0
A
A
B
B
B
C
C
C
B
B
B
C
C
C
A
A
A
A
D
D
D
D
1
1
2
2
2
2
2
2
2A
2A
2A
2A
2A
2A
3
3
3
3
3
3
3
3
300
600
330
660
1,300
150
330
660
330
660
1,300
150
330
660
330
660
1,300
2,000
160
330
660
1,000
5
5
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
360
360
600
600
600
600
600
600
900
900
900
900
900
900
90
90
90
90
90
90
90
90
Outline Dimensions (Inch/mm)
Figure 1
Figure 2
Figure 2A
Figure 3
Note:
Add suffix ‘LF’ for lead-free parts (e.g. HM31-10050 changes to HM31-10050LF).
8
MAGNETIC COMPONENTS SELECTOR GUIDE 2006 EDITION
We reserve the right to change specifications without prior notice.
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