Datasheet
absolute maximum ratings
Operating free air temperature range ·······················–40°C to 85°C
Storage temperature range····························–50°C to 125°C
Lead Temperature 1.5mm from case for 10 seconds ····················300°C
Peak current I
PK
······································300mA
Isolation voltage 78250(M) (flash tested for 1 second) ·················1500Vrms
Isolation voltage 78250V(M) (flash tested for 1 second)·················4000Vrms
electrical specifications over operating free air temperature range
1
78250
Parameter Conditions MIN NOM MAX
Package
Style
Units
Primary Inductance, L
P
10kHz, 100mV 1.0 2.0 2.5
1
mH
Leakage Inductance, L
L
100kHz, 100mV 2.0 3.0
µH
Interwinding Capacitance, C
WW
100kHz, 100mV 69 90 pF
D.C. Resistance, R
DC
<0.1VDC 1.0 2.0
Ω
Volt-time Product, E
T
5kHz, 5V 50
Vµs
electrical specifications over operating free air temperature range
1
78250M
Parameter Conditions MIN NOM MAX
Package
Style
Units
Primary Inductance, L
P
10kHz, 100mV 1.0 2.0 2.5
2
mH
Leakage Inductance, L
L
100kHz, 100mV 2.0 3.0
µH
Interwinding Capacitance, C
WW
100kHz, 100mV 69 90 pF
D.C. Resistance, R
DC
<0.1VDC 1.0 2.0
Ω
Volt-time Product, E
T
5kHz, 5V 50
Vµs
2
Newport Components
78250
Converter Transformer
1 All data taken at T
A
=25°C.








