
Coilcraft, Inc. 2010
Specifications subject to change without notice.
Please check our website for latest information.
SMT Gate Drive Transformers
Document 512
Document 512
Revised 05/18/10
1. When ordering, please specify
termination
and
packaging
codes:
DA2320-A
LC
Termination:L
= RoHS compliant tin-silver over tin over nickel over
phos bronze
Special order
, added cost:
S
= non-RoHS tin-lead (63/37)
Packaging: C
= 7
″
machine-ready reel.
EIA-481 embossed plastic
tape (250 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 (1000 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. SRF measured with coils connected in series using an Agilent/HP 4192
or equivalent.
5. Operating temperature range
40°C to +125°C.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Turns
ratio
pri
:
sec
1
:
1
1.5
:
1
1
:
1
:
1
2
:
1
:
1
Primary
inductance
2
inductance
3
min (μH)
296.0
680.0
264.0
330.0
Leakage
Primary
DCR max
(Ohms)
0.795
1.65
1.50
1.40
Secondary
DCR max
(Ohms)
0.655
0.860
1.50 (2-5; 3-4)
0.650 (2-5); 0.790 (3-4)
Volt-time
product
(V-μsec)
25.8
40.8
24.5
24.5
SRF Capacitance
min
4
pri to sec
(MHz)
max (pF)
2.23
1.00
3.60
4.00
Part
number
1
DA2319-AL_
DA2318-AL_
DA2320-AL_
DA2317-AL_
max (μH)
1.5
4.0
0.30
0.60
14.0
14.0
95.0
18.0
Core material
Ferrite
Terminations
RoHS compliant tin-silver over tin over nickel over
phos bronze. Other terminations available at additional cost.
Weight
535 – 580 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
250/7
″
reel; 1000/13
″
reel Plastic tape: 16 mm wide,
0.36 mm thick, 20 mm pocket spacing, 5.54 mm pocket depth
PCB washing
Only pure water or alcohol recommended
Designed for high switching speed, transformer coupled
MOSFET and IGBT gate drive circuits.
Operating frequency: 50 kHz – 2 MHz
Primary to secondary isolation: 1500 Vdc. For DA2317-AL
and DA2320-AL, isolation between secondaries is 500 Vdc.
Dimensions are inimm
6
6
4
1
1
2
3
3
5
4
Pri
Pri
Sec
Sec
DA2318-AL, DA2319-AL
DA2317-AL, DA2320-AL
0.213
5,40
0.323
8,20
0.197
5,00
0.260
6,60
0.022
0,55
1
6
1
6
2
5
2
5
3
4
3
4
max
Dot over pin 1
max
max
0.073
1,85
0.073
1,85
0.228
5,80
Recommended
Land Pattern
0.063
1,60
0.024
0,60
0.035
0,90
0.004/0,10