Datasheet(PDF format)

October 2, 2009
ROMOLAND, INC.
4283-1250 SERIES
TRANSFORMER, HIGH VOLTAGE FLYBACK

Features




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2000 V Peak CT Output
Full Selection of Turns Ratio
For Portable Application
Virtually Corona Free
Operating Temperature Range: -60°C to +125°C
SPECIFICATION TABLE @ 25°C
TURN RATIO 3-5: 1-2
MIN
NOM
MAX
UNITS
79.2
80
80.8
NONE
DCR
.008
OHMS
INDUCTANCE (NOTE 1)
7.0
µH
VOLT MICROSECONDS
VOLTAGE RATING
DCR 3-5
INDUCTANCE (NOTE1) : 3-5
150
VµH
25
VOLT PEAK
11.5
OHMS
45
mH
2000
VOLTAGE RATING: 3-5
VOLT PEAK
4.8
DISTRIBUTED CAPACITY
DIELECTRIC WITHSTANDING VOLTAGE (PRIMARY TO SECONDARY)
pf
3500
Vrms
WATTS
POWER
LEAKAGE INDUCTANCE (NOTE 2)
0.06
SELF RESONANT FREQUENCY (3-5)
340
30
µH
kHz
1.05
CL
1
.365
.910
CL .730
5
4
3
1
2
PRIMARY
2
3
4
5
SCHEMATIC
5X Ø .040
.20
STANDOFF
HEIGHT
.400
.030 MIN
.150 ±.03
DATATRONICS
4283-1250
NOTES:
1. MEASURE WITH .1V AT 10 kHz.
2. MEASURE 1-2 WITH .1V AT 100 kHZ,
SHORT 3-5.
DATE CODE
1.00
DIMENSIONS IN INCHES
UNLESS OTHERWISE SPECIFIED
TOLERANCE: ± .010.
Datatronics:
28151 Highway 74, Romoland, CA 92585 Tel: 909-928-7700 Fax: 909-928-7701
Email: drisales@datatronics.com
All Specifications are subject to change without notice