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CST2-100SC

Description
Current Sense Transformer, 20A, 1:100,
CategoryPower management    transformer   
File Size158KB,2 Pages
ManufacturerCOILCRAFT
Websitehttp://www.coilcraft.com/
Download Datasheet Parametric View All

CST2-100SC Overview

Current Sense Transformer, 20A, 1:100,

CST2-100SC Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerCOILCRAFT
package instructionCHIP
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresHEIGHT DIMENSION INCLUDES TERMINAL ALSO
applicationSIGNAL
CertificationAEC-Q200
ET product minimum value54 V-us
high5.3 mm
Insulation voltage500 V
JESD-609 codee0
length6.22 mm
Load Resistance5 Ω
Installation featuresSURFACE MOUNT
Number of primary windings1
Number of secondary windings1
Maximum operating frequency1000 kHz
Minimum operating frequency9 kHz
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
method of packingTAPE & REEL
Peak primary current20 A
physical sizeL6.22XB5.97XH5.3 (mm)
Primary inductance2000 µH
primary typeWOUND PRIMARY
secondary inductance2000 µH
surface mountYES
Terminal surfaceTin/Lead (Sn/Pb)
Transformer typeCURRENT SENSE TRANSFORMER
Turns ratio (Np:Ns)1:100
width5.97 mm
Document 385-1
SMT Current Sensors – CST Series
• For use from 50 kHz to nearly 1 MHz
• Two different pinouts to meet the requirements of different
applications.
• Low primary DC resistance; 500 V isolation between windings.
Designer’s Kit C389
contains 2 each of each part
Core material
Ferrite
Terminations
See Note 1.
Weight
0.4 g
Ambient temperature
–40°C to +125°C
Storage temperature
Component: –40°C to +125°C.
Tape and reel packaging: –40°C to +80°C
Resistance to soldering heat
Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL)
1 (unlimited floor life at <30°C /
85% relative humidity)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging
250/7″reel;1000/13″ reel; Plastic tape: 16 mm wide,
0.35 mm thick, 12 mm pocket spacing, 5.6 mm pocket depth
PCB washing
Only pure water or alcohol recommended
Part number
1
CST1
CST2
CST1-020L_
CST2-020L_
CST1-030L_
CST2-030L_
CST1-040L_
CST2-040L_
CST1-050L_
CST2-050L_
CST1-060L_
CST2-060L_
CST1-070L_
CST2-070L_
CST1-100L_
CST2-100L_
CST1-125L_
CST2-125L_
Turns (N)
pri : sec
1
:
20
1
:
30
1
:
40
1
:
50
1
:
60
1
:
70
1
:
100
1
:
125
Sensed Terminating Volt-time
DCR max (Ohms)
Inductance
2
current
3
resistance R
T
4
product
5
min (µH)
Primary
Secondary
I
in
(A)
(Ohms)
(V-µsec)
81
0.0007
0.400
10
2.0
16
180
0.0007
0.870
10
3.0
24
320
0.0007
1.14
10
4.0
32
500
0.0007
1.50
10
5.0
41
730
0.0007
1.98
10
6.0
49
980
0.0007
4.75
10
7.0
57
2000
0.0007
5.50
10
10.0
81
3000
0.0007
6.50
10
12.5
101
Color
dot
Red
Orange
Yellow
Green
Blue
Violet
Gray
Black
1. When ordering, please specify
termination
and
packaging
codes:
CSTX-125LC
Termination: L
= RoHS compliant tin-silver over tin over nickel over phos
bronze (pins 1 – 6); RoHS compliant tin-silver over tin
over nickel over copper (pins 7 – 8)
Special order:
S
= non-RoHS tin-lead (63/37) over tin
over nickel over phos bronze (pins 1 – 6); nonRoHS tin-
lead over gold over nickel over copper (pins 7 – 8).
Packaging: C
= 7″ machine-ready reel. EIA-481 embossed plastic
tape (250 parts per full reel).
B
= Less than full reel. In tape, but not machine ready.
To have a leader and trailer added ($25 charge), use
code letter C instead.
D
= 13″ machine-ready reel. EIA-481 embossed plastic
tape (1000 parts per full reel).
2. Inductance measured between secondary pins at 100 kHz, 0.1 Vrms.
3. Primary current of 10 A causes approximately 25°C temperature rise
from 25°C ambient. Higher current causes a greater temperature rise
(see Temperature Rise vs Current curve).
4. Terminating resistance (R
T
) value is based on 1 Volt output with
10 Amps flowing through the primary. Varying terminating resistance
increases or decreases output Voltage/Ampere according to the fol-
lowing equation: R
T
(Ohms) = V
out
× N
sec
/
I
in.
5. Maximum volt-time product for the secondary.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Typical Circuits
CST1
8
6
I
in
Pri
(1 turn)
Sec
(N turns)
R
T
V
out
7
4
CST2
8
1
I
in
Pri
(1 turn)
Sec
(N turns)
R
T
V
out
7
3
Specifications subject to change
US
+1-847-639-6400 sales@coilcraft.com
without notice.
Please check our website for latest information.
UK
+44-1236-730595 sales@coilcraft-europe.com
Taiwan
+886-2-2264 3646 sales@coilcraft.com.tw
China
+86-21-6218 8074 sales@coilcraft.com.cn
Singapore
+ 65-6484 8412 sales@coilcraft.com.sg
Document 385-1
Revised 08/17/11
© Coilcraft Inc. 2012
This product may not be used in medical of high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check out web site for latest information.
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