3D Model Datasheet

Flyback Transformers

Developed for Monolithic Power Systems MP8007 Flyback Reference Design for IEEE802.3af compliant PoE applications.
Operates in continuous conduction mode with 36 – 57 V input.

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Count	Unit price
1	$4.41
175	$3.55
700	$2.22
1400	$1.72
2800	$1.49
5000	$1.36

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

Packaging

D = 13" machine-ready reel

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Typical Application

Works with MPS MP8007

Part number	Input Voltage	Output 1		Power	Fsw
Part number	Input Voltage	Sec	Aux	Power	Fsw
CX9629-AL_	36 V — 57 V	12 V , 1 A	6.8 V , 0.02 A	12 W	100 kHz
CX9628-AL_	36 V — 57 V	5 V , 2.5 A	6.8 V , 0.02 A	12 W	100 kHz
CX9649-AL_	36 V — 57 V	24 V , 0.5 A	6.8 V , 0.02 A	12 W	100 kHz

Specifications

Electrical specifications at 25°C.

Part number 2 (Hover for schematics)	Inductance at 0A (µH) 3 (Tolerance: ±10%)	Inductance min at 2 A (µH)	DCR max (Ω) 4			Leakage Inductance max (µH) 5	Turns Ratio 6	Isolation Voltage (Vrms) 7
Part number 2 (Hover for schematics)	Inductance at 0A (µH) 3 (Tolerance: ±10%)	Inductance min at 2 A (µH)	Pri	Sec	Aux	Leakage Inductance max (µH) 5	Pri : Sec : Aux	Isolation Voltage (Vrms) 7
CX9629-AL_	42.9	38.6	0.100	0.020	0.100	1.0	1 : 0.45 : 0.25	1500
CX9628-AL_	43.7	39.3	0.095	0.009	0.094	1.0	1 : 0.2 : 0.25	1500
CX9649-AL_	45.3	40.8	0.100	0.090	0.100	1.0	1 : 0.9 : 0.25	1500

Notes

Output is with the secondary windings connected in parallel.
When ordering, please specify packaging code: e.g. CX9649-ALD
Inductance is for the primary, measured at 100 kHz, 0.1 Vrms, 0 Adc
DCR for the secondary is with both windings connected in parallel.
Leakage inductance measured between pins 1 and 3 with all other pins shorted.
Turns ratio is with the secondary windings connected in parallel.
1500 Vrms, 5 mA, one minute isolation (hipot) between primary and auxiliary to secondary.

Termination:

RoHS-compliant. 260°C compatible. RoHS tin-silver-copper (95.5/3.8/0.7) over tin over nickel over phos bronze terminations.

Packaging:

D = 13″ machine-ready reel. EIA-481 embossed plastic tape (175 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 +85°C

Storage temperature range:

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

Maximum part temperature:

+125°C (ambient + temp rise)

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

See FIT/MTBF Calculations

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
175	330	100	13	38,4	32,4	32	28	4	2	12,98	0,60

General specification

Core Material:

Ferrite

Weight:

6.0 – 6.2 g

Packaging:

175 per 13″ reel Plastic tape: 32 mm wide, 0.6 mm thick, 28 mm pocket spacing, 12.93 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 to MIL-STD-202 Method 215 plus an additional aqueous wash. More Info.

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Flyback Transformers

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Typical Application

Specifications

Termination:

Packaging:

Schematics

Physical characteristics

Tape and Reel specification

General specification

Soldering/Washing

Warning