Document 512
SMT Gate Drive Transformers
• 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.
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 +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 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
Turns
ratio
pri :sec
Primary
Leakage
Primary
Secondary
DCR max
(Ohms)
Volt-time
product
(V-µsec)
SRF Capacitance
min4 pri to sec
(MHz) max (pF)
Part
inductance2 inductance3 DCR max
number1
min (µH)
max (µH)
(Ohms)
DA2319-AL_
DA2318-AL_
DA2320-AL_
DA2317-AL_
1 : 1
296.0
680.0
264.0
330.0
1.5
4.0
0.30
0.60
0.795
1.65
1.50
1.40
0.655
0.860
25.8
40.8
24.5
24.5
2.23
1.00
3.60
4.00
14.0
14.0
95.0
18.0
1.5 : 1
1 : 1 : 1
2 : 1 : 1
1.50 (2-5; 3-4)
0.650 (2-5); 0.790 (3-4)
Dot over pin 1
1. When ordering, please specify packaging code:
DA2320-ALC
0.213
max
Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic
5,40
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).
0.004/0,10
0.022
0,55
0.260
6,60
max
0.323
max
8,20
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.
0.024
0.197
0.035
0,90
0.063
1,60
0.228
5,80
0,60
5,00
1
2
3
6
3
2
1
4
5
4
0.073
5
0.073
1,85
1,85
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
6
Recommended
Land Pattern
DA2318-AL, DA2319-AL
DA2317-AL, DA2320-AL
inches
mm
4
1
2
Dimensions are in
Pri
Sec
1
6
3
5
Pri
Sec
3
6
4
Specifications subject to change without notice.
Please check our website for latest information.
Document512 Revised07/21/08
© Coilcraft, Inc. 2009