March 6, 2007
SMD Current Sense Transformer CT320 Series
Features
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Rated for 35 amps RMS Max.
Operating Frequency: 50kHz to 500kHz
Operating Temperature: –40°C to +130°C
Pick and Place Design
Tape and Reel Available
Tinned Leads with Leaded Solder is Available (note 6)
Datatronics
Part Number
Turns Ratio
Secondary
Inductance
(mH TYP)
0.30
Primary DCR
(mΩ TYP)
Secondary DCR
HiPot
(Vrms)
(Ω TYP)
(± 2%)
CT320-020
CT320-030
CT320-040
CT320-050
CT320-060
CT320-070
CT320-100
CT320-125
CT320-200
1:20
1:30
1:40
1:50
1:60
0.28
0.28
0.28
0.28
0.28
0.28
0.28
0.28
0.28
1.40
2.10
2.80
3.50
4.20
4.90
7.00
8.75
14.00
500
500
500
500
500
500
500
500
500
0.66
1.20
2.00
3.00
3.90
7.50
12.00
29.00
1:70
1:100
1:125
1:200
.720
Mechanical Specifications
18,30
12
.536
6
5
11
12
2
4
.100
2,54
13,62
.024
0,61
.570
10
1
.100
2,54
14,48
11
.708
SCHEMATIC
MAX
Notes:
.047
1,19
.261
6,64
18,00
.287
7,30
1.) All dimensions are in inches/mm
Tolerance: ±0.010/0,25 unless
otherwise specified
SUGGESTED PAD LAYOUT
CT320-XXX
DATE
2.) Inductance tested at 10 kHz, 0.1Vrms
3.) Coplanarity: 0.004/0,102
4.) Packaging 600 pcs / carton
5.) Terminating resistor (RT) calculated:
RT = (NTURNS / IPRI) * VREF
6.) For Non-RoHS parts, replace CT
prefix with -42 e.g. CT320 becomes
42-320
7.) Terminal finish compliant to RoHS
requirements. Solder in accordance
with J-STD-020C
1
5
.594 Ref.
15,10
.394 MAX
10,00
.559 MAX
14,20
Datatronic: 28151 Highway 74, Romoland, CA 92585 Tel: 951-928-7700 Toll Free Tel: 888-889-5391 Fax: 951-928-7701
Email: ddisales@datatronics.com
Datatronic Ltd. 499 King's Road, Hong Kong Tel: (852) 2562-3858, (852) 2564-87-477 Fax: (852) 2565-7214, (852) 2563-1290
All specifications are subject to change without notice.