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Introduction
Specifications
Environmental
Performance curves
Schematics
Physical characteristics
Tape & Reel
Soldering/Washing

3D Model Datasheet

SCS Series

SMT Current Sense Transformers

Senses current up to 30 Amps
Designed for use between 2 kHz to 1 MHz and above

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Count	Unit price
1	$5.72
200	$4.29
400	$2.58
1200	$2.01
2400	$1.72

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

Packaging

D = 13" machine-ready reel

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Specifications

Electrical specifications at 25°C.

Part number 1 (Hover for schematics)	Inductance min (mH) 2	DCR max (Ω) 3		Turns Ratio	Volt-time product (V-µs) 4	Frequency (kHz) 5	Current (A) 6	Terminating resistance R_T (Ω) 7	Isolation Voltage (Vrms) 8
Part number 1 (Hover for schematics)	Inductance min (mH) 2	Pri	Sec	Pri : Sec	Volt-time product (V-µs) 4	Frequency (kHz) 5	Current (A) 6	Terminating resistance R_T (Ω) 7	Isolation Voltage (Vrms) 8
SCS-050L_	3.8	0.0024	0.90	1 : 50	80	6 — >1000	30.0	1.7	500
SCS-100L_	14.8	0.0024	1.8	1 : 100	160	3 — >1000	30.0	3.3	500
SCS-200L_	59.2	0.0024	3.9	1 : 200	320	2 — >1000	30.0	6.7	500

Notes

When ordering, please specify packaging code: e.g. SCS-200LD
Inductance measured between secondary pins at 10 kHz, 0.06 Vrms, 0 Adc.
Primary DCR is measured with the windings connected in parallel.
Volt-time product is for the secondary, between pin 5 and 6.
For specific questions regarding frequency range, please contact us at [email protected].
Input current of 30 A causes approximately 25°C temperature rise above 25°C ambient when primary windings are connected in parallel. Higher current causes a greater temperature rise (see Temperature Rise vs Current curve).
Terminating resistance (RT) value is based on 1 Volt output with 30 Amps flowing through the primary. Varying terminating resistance increases or decreases output Voltage/Ampere according to the following equation:
RT (Ohms) = V_out × N_sec / I_in.
500 Vrms, one minute isolation (hipot) winding to winding.

Termination:

RoHS-compliant, halogen free. 260°C compatible. Matte tin over nickel over phos bronze terminations.

Packaging:

D = 13″ machine-ready reel. EIA-481 embossed plastic tape (200 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
B = Less than full reel. In an effort to simplify our part numbering system, Coilcraft is eliminating the need for multiple packaging codes. When ordering, simply change the last letter of your part number from B to D.

Environmental

Environmental:

RoHS compliant

Ambient temperature range:

–40°C to +125°C

Storage temperature range:

Component: –40°C to +125°C
Tape and reel packaging: –40°C to +80°C

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

See FIT/MTBF Calculations

Performance curves

Temperature vs Current

Schematics

Physical characteristics

Tape and Reel specification

Parts per reel	Reel dimensions (mm)					Tape dimensions (mm)						Orientation
13" (330 mm)	A	B	C	D	E	W	P	Po	P1	H	T
200	330	100	13	38,4	32,4	32	24	4	2	3,0	0,5

General specification

Core Material:

Ferrite

Weight:

3.4 – 3.7 g

Packaging:

200/13″ reel Plastic tape: 32 mm wide, 0.5 mm thick, 24 mm pocket spacing, 3.0 mm pocket depth

Soldering/Washing

Moisture Sensitivity Level (MSL):

1 (unlimited floor life at <30°C / 85% relative humidity)

Resistance to soldering heat:

Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles

Refer to Soldering Coilcraft Components before soldering.

PCB Washing:

Tested with pure water or alcohol only. More info.

SCS Series

SMT Current Sense Transformers