fct1-120d3sld Coilcraft, Inc., fct1-120d3sld Datasheet

fct1-120d3sld

Manufacturer Part Number

fct1-120d3sld

Description

Forward-mode Transformers Telecommunications

Manufacturer

Coilcraft, Inc.

Datasheet

1.FCT1-120D3SLD.pdf (2 pages)

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FCT1-33D3SL_

FCT1-50D3SL_

FCT1-120D3SL_

FCT1-195D3SL_

FCT1-240D3SL_

1. When ordering, please specify termination and packaging codes:

2. Inductance is measured at 250 kHz, 0.2 Vrms, 0 Adc.

3. DCR for the primary and secondary is with the windings connected in

4. Leakage inductance is for the primary windings with the secondary

5. Turns ratio is with the primary windings and the secondary windings

6. These inductors are recommended for 30% ripple current. Ripple less

7. Operating temperature range –40°C to +125°C.

8. Electrical specifications at 25°C.

Refer to Doc 362 “Soldering Surface Mount Components” before soldering.

Forward-Mode Transformers

Termination: L = RoHS tin-silver over tin over nickel over phos bronze.

Packaging: D= 13 machine-ready reel. EIA-481 embossed plastic

parallel.

windings shorted.

connected in parallel.

than 30% may require the use of physically larger inductors. Allowing

higher ripple current to make use of smaller inductors may create a risk

of discontinuous output current.

number

Part

B= Less than full reel. In tape, but not machine ready. To

Inductance

min (µH)

Special order: T = RoHS tin-silver-copper (95.5/4/0.5)

or S = non-RoHS tin-lead (63/37).

tape (175 parts per full reel).

have a leader and trailer added ($25 charge), use

code letter D instead.

72.9

FCT1-240D3SLD

27.5

pri

DCR max (mOhms)

10.0

28.5

32.0

72.5

sec

5.0

bias

250

235

Specifications subject to change without notice.

Please check our website for latest information.

sync

160

120

inductance

max (µH) pri : sec pri : bias pri : sync

Leakage

0.425

0.420

0.175

0.235

• Designed to meet 30 W PoE objectives of IEEE 802.3at.

• Operates at 250 kHz with 36 – 72 Volts input

• 1500 Vrms isolation, primary and bias to the secondary

• Bias winding output: 12 V; sync winding output: 5 V

Core material Ferrite

Terminations RoHS tin-silver over tin over nickel over phos

bronze. Other terminations available at additional cost.

Weight 10.1 – 10.7 g

Ambient temperature –40°C to +125°C

Storage temperature Component: –40°C to +125°C.

Packaging: –40°C to +80°C

Resistance to soldering heat Max three 40 second reflows at

+260°C, parts cooled to room temperature between cycles

Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /

85% relative humidity)

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

38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332

Packaging 175 per 13 reel Plastic tape: 44 mm wide,

0.4 mm thick, 32 mm pocket spacing, 12.0 mm pocket depth

PCB washing Only pure water or alcohol recommended

Bias

Pri

The primary windings and the

secondary windings are to be

connected in parallel on the

PC board.

1 : 0.33

1 : 0.44

1 : 1.44 1 : 0.88 1 : 0.44

1 : 1.78 1 : 0.88 1 : 0.44

1 : 1

Turns ratio

1 : 1

1 : 0.56

Sec

Sync

Document 574-1 Revised 10/28/08

19.5 V, 1.55 A MSS1278-154

24 V, 1.25 A

12 V, 2.5 A

3.3 V, 9 A

For 30 Watt

Telecommunications

5 V, 6 A

Output

Document 574 -1

inductor

Output

Recommended

MSS1278-563

MSS1278-224

SER2013-472

SER1360-103

inductor

output

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fct1-120d3sld Summary of contents

Page 1

... FCT1-120D3SL_ 72.9 27.5 28.5 FCT1-195D3SL_ 72.9 27.5 32.0 FCT1-240D3SL_ 72.9 27.5 72.5 1. When ordering, please specify termination and packaging codes: FCT1-240D3SLD Termination RoHS tin-silver over tin over nickel over phos bronze. Special order RoHS tin-silver-copper (95.5/4/0. non-RoHS tin-lead (63/37). Packaging machine-ready reel. EIA-481 embossed plastic tape (175 parts per full reel). ...

Page 2

... Dimensions are in mm © Coilcraft, Inc. 2009 0.130 0.930 0.050 3,30 23,62 1,27 1 Recommended Land Pattern 0.118 3,0 Specifications subject to change without notice. Please check our website for latest information. Document 574-2 Document 574-2 Revised 10/28/08 ...

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