Electrical / Environmental
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Current Sense Surface Mount Transformers
• Insulation Resistance, Minimum
• Operating Temperature Range
• Insulation System
10 MΩ
-25°C to + 105°C
Class B, 130°C
Specifications @ 25°C
Part
Number
HM33-10125LF
HM33-10100LF
HM33-10070LF
HM33-10050LF
HM33-10040LF
HM33-10030LF
HM33-H10125LF
HM33-H10100LF
HM33-H10070LF
HM33-H10050LF
HM33-H10040LF
HM33-H10030LF
Turns
N1:N2
@ 10 kHz
1:125
1:100
1:70
1:50
1:40
1:30
1:125
1:100
1:70
1:50
1:40
1:30
Secondary
Inductance
µH Min.
3000
2000
980
500
320
180
3000
2000
980
500
320
180
Primary
DCR
m
Ω
Max.
5.0
5.0
5.0
5.0
5.0
5.0
0.75
0.75
0.75
0.75
0.75
0.75
Secondary
DCR
Ω
Max.
7.36
5.50
4.75
2.50
1.35
1.00
7.36
5.50
4.75
2.50
1.35
1.00
Primary
Amps Max.
6
6
6
6
6
6
20
20
20
20
20
20
Pin 1
Marking
Color Code
White
Black
Yellow
Green
Blue
Red
White
Black
Yellow
Green
Blue
Red
H10XXXLF
ID
Code
-
-
-
-
-
-
A
B
C
D
E
F
Outline Dimensions (Inch/mm)
Top View
Side View
Side View
Bottom View
Recommended Solder Pad Layout
Schematic
Ordering Information
Model Series
Style
10 - Standard
H10 - High Current
HM33
H10
125
LF
TR
Lead-Free
(Pri)
N1
(Sec)
N2
Tape & 13” Reel
(750 Units/Reel)
Turns Ratio
18
MAGNETIC COMPONENTS SELECTOR GUIDE 2007/08 EDITION
We reserve the right to change specifications without prior notice.
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