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

3D Model Datasheet

MSD1260H-474

Name: MSD1260H-474KED
Brand: Coilcraft
SKU: MSD1260H-474KED
Price: 0.90 USD
Availability: InStock

MSD1260H-474KED

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Count	Unit price
1	$2.93
250	$1.91
500	$1.16
1000	$0.90
2500	$0.77
5000	$0.72

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

Termination

E = Matte tin over nickel over phos bronze

Packaging

D = 13" machine-ready reel

Tolerance

K = 10%

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Specifications

Electrical specifications at 25°C.

For Flyback Applications

Part number 1	Inductance (µH) 2 (Tolerance: ±10%)	DCR max (Ω) 3	Isolation Voltage (V)	Leakage Inductance (µH) 5	Turns Ratio
Part number 1	Inductance (µH) 2 (Tolerance: ±10%)	DCR max (Ω) 3	Isolation Voltage (V)	Leakage Inductance (µH) 5	Turns Ratio
MSD1260H-474KE_	470	1.330	500	1.2	1 : 1

For SEPIC Applications

Part number 1	Inductance (µH) 2 (Tolerance: ±10%)	DCR max (Ω) 3	SRF typ (MHz) 4	Coupling coefficient	Leakage Inductance (µH) 5	Isat (A) 6			Irms (A)
Part number 1	Inductance (µH) 2 (Tolerance: ±10%)	DCR max (Ω) 3	SRF typ (MHz) 4	Coupling coefficient	Leakage Inductance (µH) 5	10% drop	20% drop	30% drop	both windings 7	one winding 8
MSD1260H-474KE_	470	1.330	3.0	0.98	1.2	0.69	0.81	0.89	0.45	0.63

Notes

When ordering, please specify termination and packaging codes: e.g. MSD1260H-105KED
Inductance shown for each winding, measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A LCR meter or equivalent. When leads are connected in parallel, inductance is the same value. When leads are connected in series, inductance is four times the value.
DCR is for each winding. When leads are connected in parallel, DCR is half the value. When leads are connected in series, DCR is twice the value.
SRF measured using an Agilent/HP 4191A or equivalent. When leads are connected in parallel, SRF is the same value.
Leakage Inductance is for L1 and is measured with L2 shorted.
Isat: DC current, at which the inductance drops the specified amount from its value without current. It is the sum of the current flowing in both windings.
Irms, both windings: Maximum current when applied to one winding that causes a 40°C temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings. Determine temperature rise.
Irms, one winding: Equal current when applied to each winding simultaneously that causes a 40°C temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings. Determine temperature rise.

Termination:

E = RoHS compliant matte tin over nickel over phos bronze.
T = RoHS tin-silver-copper (95.5/4/0.5). (Special order, added cost)
S = non-RoHS tin-lead (63/37). (Special order, added cost)

Packaging:

D = 13" reel, machine-ready
EIA-481 embossed plastic tape (500 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).

Environmental

Environmental:

RoHS compliant , halogen free

Ambient temperature range:

–40°C to +125°C with (40°C rise) Irms current.

Storage temperature range:

Component: –40°C to +165°C.
Tape and reel packaging: –40°C to +80°C

Maximum part temperature:

+165°C (ambient + temp rise).

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

See FIT/MTBF Calculations

Performance curves

L vs Current

L vs Frequency

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
500	330	100	13	30,4	24,4	24	16	4	2	6,9	0,5

General specification

Core Material:

Ferrite

Weight:

2.8 – 3.2 g

Packaging:

500/13″ reel; Plastic tape: 24 mm wide, 0.5 mm thick, 16 mm pocket spacing, 6.9 mm pocket depth

Winding to Winding Isolation:

500 Vrms, one minute

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

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Currency settings

MSD1260H-474

MSD1260H-474KED

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Specifications

For Flyback Applications

For SEPIC Applications

Termination:

Packaging:

Performance curves

L vs Current

L vs Frequency

Schematics

Physical characteristics

Tape and Reel specification

General specification

Soldering/Washing

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