Document 561
SMT Gate Drive Transformer
• Designed for transformer coupled MOSFET and IGBT
gate drive circuits; operating frequency: 50 kHz to 2 MHz.
• 2250 Vdc primary to secondary isolation
• Requires only 56 mm
2
of board space.
• Specified by National Semiconductor on AN-1521 for their
POE+PHYTEREV-I/-E evaluation boards.
Core material
Ferrite
Terminations
RoHS compliant tin-silver over tin over nickel over
phos bronze
Weight
700 mg
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
175/7″reel; 750/3″ reel Plastic tape: 16 mm wide,
0.36 mm thick, 12 mm pocket spacing, 7.24 mm pocket depth
PCB washing
Only pure water or alcohol recommended
Part
number
1
FA2659-AL_
Turns
ratio
1
:
1
Primary
inductance
2
min (µH)
296.0
Leakage
inductance
3
max (µH)
1.5
Primary
DCR max
(Ohms)
0.795
Secondary
DCR max
(Ohms)
0.655
Dot over pin 1
Volt-time
product
4
(V-µsec)
34.2
SRF Capacitance
min
5
pri to sec
(MHz)
max (pF)
1.39
21.9
1. When ordering, please specify
packaging
code:
FA2659-ALC
Packaging: C
= 7″ machine-ready reel. EIA-481 embossed plastic
tape (150 parts per full reel).
B
= Less than full reel. In tape, but not machine ready. To
have a leader and trailer added ($25 charge), use
code letter C instead.
D
= 13″ machine-ready reel. EIA-481 embossed plastic
tape. Factory order only, not stocked (750 parts per
full reel).
2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc
3. Leakage inductance measured at 100 kHz, 0.1 Vrms with secondary
pins shorted.
4. Based on Bsat of the core at 25°C and number of turns of the primary.
5. SRF measured with coils connected in series using an Agilent/HP 4192
or equivalent.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
0.276
max
7,00
0.004 /0,10
0.285
max
7,25
0.211
5,36
0.309
max
7,85
0.040
1,02
0.016
0,40
4
5
0.057
1,50
1
0.191
4,85
0.028
0,70
1
8
0.075
1,90
5
Pri
8
1
Sec
Dimensions are in
inches
mm
0.075
1,90
Recommended
Land Pattern
4
Specifications subject to change without notice.
Please check our website for latest information.
Document 561
Revised 09/01/09
© Coilcraft, Inc. 2009
COILCRAFT [ Coilcraft lnc. ]
