High Ratio Vertical PCB Mount Current Transformer
CR8300 SERIES
CR Magnetics CR8300 Series of PCB Mounted Current Transformers are available in a wide
range of sizes and materials to meet any AC current sensing needs. Our General
Purpose designs are made from the highest quality silicon steel cores available, and meet
most of the common AC current measurement needs. Our Revenue Grade (-N) are
made from a nickel alloy core which provides the most linear response over temperature and
current level. Nanocrystalline Amorphous (-A) is the most versatile providing
accuracy, high saturation point and linear responses in high frequency applications. The
High Frequency (-F) products are designed for high frequency applications such as
high frequency power supplies and motor drives.
Current Transformers
GENERAL PURPOSE VERTICAL PCB CURRENT TRANSFORMERS
F
Part Number
Ir
Vmax RMS
Te (typ.)
DCR W
Frequency
Pin Diameter
CR8320-1600
10
1.8
1613
95
20 Hz- 1 KHz
0.8 X 4.0 MM
CR8348-1000
20
7.0
1023
24
20 Hz- 1 KHz
1.0 X 3.0 MM
CR8348-2000
50
13.7
2046
106
20 Hz- 1 KHz
1.0 X 3.0 MM
CR8349-1000
50
11.6
1016
35
20 Hz- 1 KHz
1.0 X 6.0 MM
CR8349-1500
75
15.5
1520
80
20 Hz- 1 KHz
1.0 X 4.0 MM
CR8350-1000
100
16.5
1021
22
20 Hz- 1 KHz
1.0 X 3.0 MM
CR8350-2000
200
31.0
2037
73
20 Hz- 1 KHz
1.0 X 3.0 MM
Applications
Motor Load Measurement
Power Meters
High Frequency Current Sensing
Features
High Ratio
Standard Footprints
REVENUE GRADE VERTICAL PCB CURRENT TRANSFORMERS
Part Number
Ir
Vmax RMS
Te (typ.)
DCR Ω
Frequency
Pin Diameter
CR8348-2500-N
40
7.5
2510
134
20 Hz- 1 KHz
1.0 X 3.0 MM
CR8349-1000-N
50
5.1
1009
32
20 Hz- 1 KHz
1.0 X 3.0 MM
CR8349-2500-N
75
11.2
2512
190
20 Hz- 1 KHz
1.0 X 3.0 MM
CR8350-2500-N
100
10.5
2511
57
20 Hz- 1 KHz
1.0 X 6.0 MM
Specifications
Maximum Continuous Primary Current
4 X Ir
Insulation Voltage
3500 Vac/1min
Storage Temp.
-45°C thru +85 °C
Operating Temp. General Purpose & Nickel -40°C thru +85 °C
Operating Temp. High Frequency
-40°C thru +65 °C
NANOCRYSTALLINE VERTICAL PCB CURRENT TRANSFORMERS
Part Number
Ir
Vmax RMS
Te (typ.)
DCR Ω
Frequency
Pin Diameter
CR8320-1600-A
10
3.0
1600
85
50 Hz- 50 KHz
0.8 X 4.0 MM
CR8348-1000-A
20
7.0
1000
24
50 Hz- 50 KHz
1.0 X 3.0 MM
CR8348-2000-A
50
13.0
2000
102
50 Hz- 50 KHz
1.0 X 3.0 MM
CR8348-2500-A
50
16.0
2578
130
50 Hz- 50 KHz
1.0 X 3.0 MM
CR8349-1000-A
50
4.1
1002
35
50 Hz- 50 KHz
1.0 X 3.0 MM
CR8349-1500-A
75
16.0
1503
77
50 Hz- 50 KHz
1.0 X 3.0 MM
CR8349-2000-A
75
22.0
2002
145
50 Hz- 50 KHz
1.0 X 3.0 MM
CR8349-2500-A
75
26.0
2502
181
50 Hz- 50 KHz
1.0 X 3.0 MM
CR8350-1000-A
100
13.0
1006
20
50 Hz- 50 KHz
1.0 X 3.0 MM
CR8350-2000-A
100
29.0
2001
71
50 Hz- 50 KHz
1.0 X 3.0 MM
CR8350-2500-A
100
27.0
2508
134
50 Hz- 50 KHz
1.0 X 3.0 MM
Regulatory Agencies
I
HIGH FREQUENCY VERTICAL PCB CURRENT TRANSFORMERS
Part Number
Ir
CR8348-2000-F
CR8349-2000-F
CR8350-2000-F
DCR Ω
Frequency
Pin Diameter
2022
88
20 Hz- 200KHz
1.0 X 6.0 MM
2024
109
20 Hz- 200KHz
1.0 X 3.0 MM
2027
73
20 Hz- 200KHz
1.0 X 3.0 MM
Vmax RMS
Te (typ.)
50
3.7
75
16.0
100
10.0
DCR
VL = Vmax
I x DCR
Te
-
R
V
V=
IxR
Te
For best linearity, choose R such that V < 0.8 VL
VL
Ir = Maximum AC Input Current to be linearly sensed Vmax = Maximum VAC (Saturation) CT will develop
Te = Effective turns ratio including losses (+/- 10%) (All Specifications tested at 60 Hz)
PACKAGE AND PIN OUT DIMENSIONS (mm/in)
A
B
C
D
E
F
G
H
min
max
max
max
E0.3
E0.3
E0.3
typ
CR8320
5.5
.22
19.4
.76
19.5
.77
8.2
.32
12.7
.50
N/A
N/A
4.0
.16
CR8348
6.7
.27
23.5
.93
25
.98
11
.43
15.2
.60
9.5
.37
19
.75
1.90
.07
CR8349
9
.35
26
1.02
28
1.10
17
.67
15.2
.60
15.5
.61
19
.75
1.90
.07
CR8350
12.8
.50
37.5
1.48
39
1.54
14
.55
25.4
1.00
12.7 33.02 3.81
.50 1.30 .15
Part Number Prefix
The Professional
Energy Monitoring
Company
M N TI
ISO 9001:2008 Quality Management System
I
B
D
PINOUT
A
3.0
See
Chart
(.118)
H
E
C
F
H1
G
1.0 Typ. 4 Places
(.040)
CR8320 2 pins only
3500 Scarlet Oak Blvd. St. Louis MO USA 63122 V: 636-343-8518 F: 636-343-5119
Web: http://www.crmagnetics.com
X1
94
E-mail: sales@crmagnetics.com
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