Current Sense Transformers
ELECTRONICS INC.
EPC3108G-XXX
• Designed for Switching Supply-Current Sense Applications
• Optimal Performance at 250 KHz and above
• Operating Temperature : -25°C to +105°C
• UL1446 Class B Insulating System
• Class B 130°C Insulation System
• UL94V0 Recognized Materials
Electrical Parameters @ 25° C
PCA
Part
Number
EPC3108G-125
EPC3108G-100
EPC3108G-85
EPC3108G-70
EPC3108G-50
EPC3108G-40
EPC3108G-30
Turns
Ratio
(Pri. to Sec.)
1:125
1:100
1:85
1:70
1:50
1:40
1:30
Inductance
(µH Min.)
@ 10 KHz
3000
2000
1430
980
500
320
180
Secondary
DCR
(Ω Max.)
7.70
6.20
5.30
4.75
2.50
1.35
1.00
Primary
(Amps Max.)
6.0
6.0
6.0
6.0
6.0
6.0
6.0
Insulation
Resistance
(meg
Ω
Min.)
10
10
10
10
10
10
10
Vt
(V-µSec. Max.)
92.5
75.0
62.5
52.5
27.5
30.0
22.5
• Note :
Clamp cover is optional
•
Package
Application Circuit
Power Transformer
.210
Max.
(5.33)
Ipk
Isecondary
Vref
RT
D
1T
Copper Plate
.330 Max.
(8.50)
.073
(1.85)
.275 ± .015
(6.99 ± .381)
N
G
S
Current Sense Transformer
V Ref. = Ipk RT/N
.020
(.500)
8
3
2
7
1
.078
(2.00)
6
4
.027 (.700)
5
Recommended Pad Layout
.063
(1.60)
.098
(2.50)
Schematic
.106
(2.70)
.047
(1.20)
.118
(3.00)
.073
(1.85)
8
7
1:N
6
4
.051
(1.30)
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
Product performance is limited to specified parameters. Data is subject to change without prior notice.
CSC3108G-XXX
Rev. 2
1/11/07 RR
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
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