3D Model Datasheet

JA4372-AL

Name: JA4372-ALD
Brand: Coilcraft
SKU: JA4372-ALD
Price: 4.12 USD
Availability: InStock

JA4372-ALD

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Count	Unit price
1	$5.51
175	$4.72
700	$4.12
1400	$3.59
2800	$3.00
5000	$2.80

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

Packaging

D = 13" machine-ready reel

. in stock, ready to ship today.

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Typical Application

Works with Texas Instruments TPS23754

Input Voltage	Output 1		Power	Fsw
Input Voltage	Sec	Drive	Power	Fsw
33 V — 57 V	3.3 V , 7.6 A	11.2 V , 0.02 A	25 W	250 kHz

Specifications

Electrical specifications at 25°C.

Part number 2 (Hover for schematics)	Inductance at 0A (µH) 3 (Tolerance: ±10%)	Inductance min at 2.2 A (µH) 4	DCR max (Ω) 5				Leakage Inductance max (µH) 6	Turns Ratio 7	Isolation Voltage (Vrms) 8
Part number 2 (Hover for schematics)	Inductance at 0A (µH) 3 (Tolerance: ±10%)	Inductance min at 2.2 A (µH) 4	Pri	Sec	Bias	Drive	Leakage Inductance max (µH) 6	Pri : Sec : Bias : Drive	Isolation Voltage (Vrms) 8
JA4372-AL_	75.0	67.5	0.143	0.005	0.122	0.072	3.0	1 : 0.08 : 0.28 : 0.16	1500

Notes

Output is with the secondary windings connected in parallel. Output of the drive winding is 6 V, 10 mA. Output of the bias winding is 11.2 V, 20 mA.
When ordering, please specify a packaging code: JA4387-ALD.
Inductance is measured at 250 kHz, 0.1 Vrms, 0 Adc.
Peak primary current drawn at minimum input voltage.
DCR for the primary and the secondary is measured with windings connected in parallel.
Leakage inductance is for the primary, measured with the windings connected in parallel and the secondary windings shorted.
Turns ratio is with the primary windings and secondary windings connected in parallel.
1500 Vrms isolation from the primary and bias windings to the secondary.

Termination:

RoHS-compliant 260°C compatible. Tin-silver (96.5/3.5) over tin over nickel over phos bronze terminations.

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

Schematics

Primary windings and secondary windings
to be connected in parallel on PC board.

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
175	330	100	13	50,4	44,4	44	28	4	2	12,0	0,4

General specification

Core Material:

Ferrite

Weight:

12.0 g

Packaging:

175 per 13″ reel Plastic tape: 44 mm wide, 0.4 mm thick, 28 mm pocket spacing, 11.9 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. For other solvents, see Doc787_PCB_Washing.pdf

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JA4372-AL

JA4372-ALD

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