FA2924-AL Coilcraft, FA2924-AL Datasheet
FA2924-AL
Manufacturer Part Number
FA2924-AL
Description
POE TRANSFORMER, FOR SI3400/3401, SMT, ROHS
Manufacturer
Coilcraft
Datasheet
1.FA2924-AL.pdf
(1 pages)
Specifications of FA2924-AL
Lead_time
70
Pack_quantity
175
Comm_code
85045095
FA2924-AL_
FA2805-CL_
FA2925-AL_
1. When ordering, please specify packaging code:
2. Inductance is for the primary, measured at 200 kHz, 0.2 Vrms, 0 Adc.
3. Ipk is peak primary current drawn at minimum input voltage.
4. DCR for the secondary is per winding.
5. Leakage inductance measured between pins 1 and 2 with all secondary pins shorted.
6. Turns ratio is with the secondary windings connected in parallel.
7. Output is with the secondary windings connected in parallel.
8. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
© Coilcraft, Inc. 2009
number
Packaging: D = 13 machine-ready reel. EIA-481 embossed plastic tape (175 parts per full reel).
Part
1
Secondary windings to be
connected in parallel on PC board
Pri
2
1
Flyback Transformers
B = Less than full reel. In tape, but not machine ready. To have a leader and trailer
Power
(W)
15
15
15
added ($25 charge), use code letter D instead.
FA2925-ALD
Inductance
±10% (µH)
at 0 A
40.0
40.0
40.0
2
10
7
8
Sec
9
Inductance
min (µH)
at Ipk
36.0
36.0
36.0
Specifications subject to change without notice.
Please check our website for latest information.
0.080
2,03
Dimensions are in
3
1
DCR max (Ohms)
0.100
0.108
0.100
pri
Recommended
Land Pattern
inches
0.590
14,99
mm
0.025
0.040
0.155
• Designed for Power over Ethernet PD controllers for appli-
• Operates in continuous conduction mode with 36 – 57 V input
• 1500 Vrms isolation between primary and secondary
Core material Ferrite
Terminations RoHS tin-silver over tin over nickel over phos
bronze. Other terminations available at additional cost.
Weight 6.57 – 6.71 g
Ambient temperature –40°C to +85°C
Storage temperature Component: –40°C to +85°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: 32 mm wide,
0.5 mm thick, 28 mm pocket spacing, 12.93 mm pocket depth
PCB washing Only pure water or alcohol recommended
sec
cations up to 15 Watts.
4
inductance
max (µH)
0.050
0.098
Leakage
1,27
2,50
0.666
0.621
0.566
0.530
13,46
0.500
12,70
0.039
1,00
5
For Silicon Laboratories Si3400
and Si3401 PD Controllers
max
Turns ratio
max
pri : sec
5
1
13 : 4
5 : 2
1 : 1
Document 608 Revised 10/29/08
0.699
17,75
0.512
13,00
6
Dot above pin1
max
Ipk
(A)
2.0
2.0
2.0
3
Document 608
12.0 V, 1.25 A
10
6
3.3 V, 4.5 A
5.0 V, 3.0 A
Output
0.028
0.098
0,70
2,50
0.004 /0,10
7
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