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CST2-125LC Datasheet(PDF) 1 Page - Coilcraft lnc.

Part # CST2-125LC
Description  SMT Current Sensors ??CST Series
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Manufacturer  COILCRAFT [Coilcraft lnc.]
Direct Link  http://www.coilcraft.com
Logo COILCRAFT - Coilcraft lnc.

CST2-125LC Datasheet(HTML) 1 Page - Coilcraft lnc.

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Specifications subject to change without notice.
Please check our website for latest information.
US
UK
Taiwan
China
Singapore
+1-847-639-6400 sales@coilcraft.com
+44-1236-730595 sales@coilcraft-europe.com
+886-2-2264 3646 sales@coilcraft.com.tw
+86-21-6218 8074 sales@coilcraft.com.cn
+ 65-6484 8412 sales@coilcraft.com.sg
© Coilcraft Inc. 2013
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.
SMT Current Sensors – CST Series
Document 385-1
Document 385-1 Revised 11/17/11
Sensed Terminating
Volt-time
Part number1
Turns (N)
Inductance2
DCR max (Ohms)
current3 resistance RT4 product5
Color
CST1
CST2
pri :sec
min (µH)
Primary
Secondary
Iin (A)
(Ohms)
(V-µsec)
dot
CST1-020L_
CST2-020L_
1
:20
81
0.0007
0.400
10
2.0
16
Red
CST1-030L_
CST2-030L_
1
:30
180
0.0007
0.870
10
3.0
24
Orange
CST1-040L_
CST2-040L_
1
:40
320
0.0007
1.14
10
4.0
32
Yellow
CST1-050L_
CST2-050L_
1
:50
500
0.0007
1.50
10
5.0
41
Green
CST1-060L_
CST2-060L_
1
:60
730
0.0007
1.98
10
6.0
49
Blue
CST1-070L_
CST2-070L_
1
:70
980
0.0007
4.75
10
7.0
57
Violet
CST1-100L_
CST2-100L_
1
:100
2000
0.0007
5.50
10
10.0
81
Gray
CST1-125L_
CST2-125L_
1
:125
3000
0.0007
6.50
10
12.5
101
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 (RT) 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: RT (Ohms) = Vout × Nsec/Iin.
5. Maximum volt-time product for the secondary.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
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
• 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.
Typical Circuits
CST1
CST2
8
Sec
(N turns)
Pri
(1 turn)
7
6
4
RT
Vout
Iin
1
3
8
Sec
(N turns)
Pri
(1 turn)
7
RT
Vout
Iin


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