Q4470-CLD

Coilcraft Q4470-CLD is a miniature SMT power transformer with 5V to 5V primary/secondary voltage, 1500 Vrms isolation, 0.25 W power, in Size C package, suitable for RS-232/RS-485 interface ICs and gate drive applications.Checked against the datasheet

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Technical parameters

Datasheet-verified parameters

16 items

Parameter	Value and test conditions	Source
Package	Size C
Ambient temperature range	–40°C to +85°C
RoHS	Compliant
REACH	Compliant
Pri / sec voltage	5 V to 5 V
Inductance min	400 μH (1-3)
Volt-time product typ	32 Vμsec (1-3)
DCR max	0.950 Ohms (1-3)
Isolation pri-sec	1500 Vrms (1-4)
Pri/sec capacitance typ	0.87 pF (measured at 200 kHz)
Pri : sec Turns ratio	1 CT : 1.3 CT
Power	0.25 W (based on 150 kHz operating frequency)
Storage temperature range	Component: –40°C to +85°C; Tape and reel packaging: –40°C to +80°C
Resistance to soldering heat	Three reflows at >217°C for 90 seconds (+260°C ±5°C for 20 – 40 seconds), allowing parts to cool to room temperature between
Electrical specifications temperature	25°C
Packaging	D = 13″ machine-ready reel. EIA-481 embossed plastic tape (Size C: 1000 per full reel)

Pinout and package

PackageSize C

Pin	Name	Function	Source
1		Primary winding pin 1 (Pri 1)
2		Primary winding pin 2 (Pri 2)
3		Secondary winding pin 3 (Sec 3)
4		Secondary winding pin 4 (Sec 4)
5		Primary winding pin 5 (Pri 5)
6		Primary winding pin 6 (Pri 6)

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