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Introduction
Specifications
Environmental
Schematics
Physical characteristics
Washing

Close up of D18xx, CS1xxx

D18XX, CS1XXX Series

Current Sensors

RoHS compliant

Senses current up to 35 A at frequencies up to 1 MHz
1 Volt per Ampere sensitivity (variable through suitable termination)
Available in molded (CS1xxx Series) or encapsulated (D18xx Series) versions
0.5 mm minimum wall thickness meets IEC 380, VDE 0730 and other requirements
Samples of all values plus transformer versions available in Coilcraft Designer's Kit P403

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Part number

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Count	Unit price
1	$5.17
100	$4.43
250	$3.85
500	$2.32
1000	$1.66
2500	$1.54
5000	$1.41

For high volume or non-stock items, request a quote.

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Part number

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Designer's Kit:

Kit	Values	Price
P403	10 (17 total)	$50.00

Specifications

Electrical specifications at 25°C.

Part number (Hover for schematics)	Inductance min (mH) 1	DCR max (Ω) 2	Turns Ratio	Volt-time product (V-µs)	Frequency (kHz)	Current (A)	Terminating resistance R_T (Ω) 3	Color dot
Part number (Hover for schematics)	Inductance min (mH) 1	DCR max (Ω) 2	Pri : Sec	Volt-time product (V-µs)	Frequency (kHz)	Current (A)	Terminating resistance R_T (Ω) 3	Color dot
D1869L	5	0.7	1 : 50	149	3 — 1000	35.0	1.4	Green
D1870L	20	1.4	1 : 100	298	2 — 1000	35.0	2.9	Brown
D1871L	80	4.5	1 : 200	596	1 — 1000	35.0	5.7	Red
CS1050L	5	0.7	1 : 50	149	3 — 1000	35.0	1.4
CS1100L	20	1.4	1 : 100	298	2 — 1000	35.0	2.9
CS1200L	80	4.5	1 : 200	596	1 — 1000	35.0	5.7
CS1750L	1125	62.0	1 : 750	2235	0.2 — 1000	35.0	21.4

Notes

Inductance is measured at 1 kHz, 0.05 Vrms.
DCR at 25°C, For other operating temperatures, use this DCR at Temperature calculator.
Terminating resistance (R_T) value is based on 1 Volt output with 35 Amps flowing through the primary. Varying terminating resistance increases or decreases output Voltage/Ampere according to the following equation:
R_T = V_out × N_sec / I_in.

Termination:

RoHS-compliant. Tin-silver over copper terminations.

Environmental

Environmental:

RoHS compliant

Ambient temperature range:

−40°C to +85°C

Storage temperature range:

Component: −40°C to +85°C
Packaging tubes: −40°C to +80°C

Failures in Time (FIT) / Mean Time Between Failures (MTBF):

See FIT/MTBF Calculations

Schematics

Physical characteristics

Current Sensors - D18XX Series

Leads 3 and A are in phase per orientation shown above.

Current Sensors - CS1XXX Series

Leads 3 and A are in phase per orientation shown above.

General specification

Weight:

D18xx Series = 4.0 – 4.5 g; CS1xxx Series = 5.3 – 5.8 g

Packaging:

D18XX = 110 per tray
CS1XXX = 200 per tray

Washing

PCB Washing:

Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

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