Datasheet 3D Models

Flyback Transformers

for ON Semiconductor NCP1200

Developed for use with the ON Semiconductor NCP1200 PWM Current-Mode Controller
Designed for use in flyback power supplies
Universal line voltage, 85 – 265 VAC
Custom versions available

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Count	Unit price
1	$6.46
250	$6.28
500	$5.72
1000	$5.19
2500	$4.72
5000	$4.30

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Typical Application

Works with ON Semiconductor NCP1201

Part number	AC Input Voltage	Output		Power	Fsw
Part number	AC Input Voltage	Sec	Aux	Power	Fsw
Y8844-AL	85 V — 265 V	6.5 V , 0.54 A	-	3.5 W	100 kHz
Y8848-AL	85 V — 265 V	12 V , 0.83 A	-	10 W	100 kHz
Z9007-BL	85 V — 265 V	16 V , 4.2 A	-	67 W	100 kHz
Z9260-AL	85 V — 265 V	16 V , 4.2 A	15 V , 0.2 A	67 W	100 kHz

Specifications

Electrical specifications at 25°C.

Part number (Hover for schematics)	Inductance at 0A (mH) 1 (Tolerance: ±10%)	DCR max			Leakage Inductance max (µH) 2	Turns Ratio 3	Isolation Voltage (Vrms) 4
Part number (Hover for schematics)	Inductance at 0A (mH) 1 (Tolerance: ±10%)	Pri (Ω)	Sec (mΩ)	Aux (mΩ)	Leakage Inductance max (µH) 2	Pri : Sec : Aux	Isolation Voltage (Vrms) 4
Y8844-AL	2.9	4.250	70.000	-	80	1 : 0.08 : -	1500
Y8848-AL	1.8	1.770	38.000	-	60	1 : 0.1 : -	2000
Z9007-BL	0.7	0.261	6.500	-	16	1 : 0.16 : -	1500
Z9260-AL	0.7	0.261	6.500	45.000	26	1 : 0.16 : 0.15	2000

Notes

Inductance is for the primary, measured at 10 kHz, 0.1 Vrms, 0 Adc
Leakage inductance tested at 100 kHz, 0.1 Vrms
Primary to secondary turns ratio specified with secondary windings connected in parallel.
Isolation tested between primary and secondary on all parts and between primary and auxiliary on Z9260-AL.

Termination:

RoHS-compliant. Tin-silver over tin over copper.

Environmental

Environmental:

RoHS compliant

Ambient temperature range:

-40°C to +85°C

Storage temperature range:

Component: −40°C to +85°C
Tape and reel packaging: −40°C to +80°C

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

See FIT/MTBF Calculations

Schematics

For Z9007-BL and Z9260-AL, secondary windings to be connected in parallel on the circuit board.

Physical characteristics

Y8844-AL

A max	B max	C max	D min	E	F	G dia
0.72	0.79	0.55	0.118	0.150	0.600	0.030	inches
18,3	20,1	14,0	3,0	3,81	15,24	0,76	mm

Y8848-AL

A max	B max	C max	D min	E	F	G dia	H (1 place)
1.10	1.10	0.95	0.12	0.200	0.620	0.044	0.150	inches
27,9	27,9	24,1	3,05	5,08	15,75	1,12	3,81	mm

Z9007-BL, Z9260-AL

A max	B max	C max	D min	E	F	G dia	H (1 place)
1.45	1.45	1.17	0.12	0.200	0.875	0.044	0.150	inches
36,8	36,8	29,7	3,05	5,08	22,2	1,12	3,81	mm

General specification

Weight:

Y8844: 6.7 g; Y8848: 16 g; Z9007: 52 g: Z9260: 54 g

Packaging:

Y8844 = 49 per tray
Y8848 = 30 per tray
Z9007/Z9260 = 25 per tray

Washing

PCB Washing:

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

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