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78253/35VC Datasheet(PDF) 2 Page - Murata Power Solutions Inc.

Part # 78253/35VC
Description  MAX253 Compatible Converter Transformers
PDF  7 Pages
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Manufacturer  MURATA-PS [Murata Power Solutions Inc.]
Direct Link  http://www.murata-ps.com
Logo MURATA-PS - Murata Power Solutions Inc.

78253/35VC Datasheet(HTML) 2 Page - Murata Power Solutions Inc.

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KMP_78253C_F01 Page 2 of 7
78253 Series
MAX253 Compatible Converter Transformers
www.murata.com
78253/35(M)VC CHARACTERISTICS
Parameter
Conditions
Min.
Typ.
Max.
Units
Primary Inductance, L
P
100kHz, 20mV
110
142
185
μH
Secondary Inductance, L
S
100kHz, 20mV
550
710
850
μH
Leakage Inductance, L
L
100kHz, 250mV
3.00
5.00
μH
Interwinding Capacitance, C
WW
100kHz, 250mV
4.20
8.00
pF
Primary D.C. Resistance, R
DC
>0.1VDC
0.30
0.50
Ω
Volt-time Product, Et
Pins 1/2 or 2/3
18
22
Vμs
78253/55(M)VC CHARACTERISTICS
Parameter
Conditions
Min.
Typ.
Max.
Units
Primary Inductance, L
P
100kHz, 20mV
190
240
310
μH
Secondary Inductance, L
S
100kHz, 20mV
350
444
540
μH
Leakage Inductance, L
L
100kHz, 250mV
5.20
8.00
μH
Interwinding Capacitance, C
WW
100kHz, 250mV
4.20
8.00
pF
Primary D.C. Resistance, R
DC
>0.1VDC
0.40
0.60
Ω
Volt-time Product, Et
Pins 1/2 or 2/3
25
28
Vμs
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
400mA
Isolation voltage 78253/XX(M)C (flash tested for 1 second)
1500VDC
Isolation voltage 78253/XX(M)VC (flash tested for 1 second)
4000VDC



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