Transformers 5Vin 5Vout 200mA 4000Vdc 1:1.33 turn

78253/55MVC-R

Manufacturer Part Number78253/55MVC-R
DescriptionTransformers 5Vin 5Vout 200mA 4000Vdc 1:1.33 turn
ManufacturerMurata Power Solutions Inc
78253/55MVC-R datasheet
 

Specifications of 78253/55MVC-R

Primary Voltage Rating3.3 VSecondary Voltage Rating5 V
Mounting StyleSMD/SMTDimensions12.7 mm L x 8.89 mm W x 6.35 mm H
ProductToroidal Power TransformersHeight6.35 mm
Length12.7 mmNumber Of Outputs1
Width8.89 mmPrimary Voltages5V
Secondary Voltages5VCurrent Rating200mA
Power Rating1WMslMSL 3 - 168 Hours
Transformer MountingPC BoardPeak Reflow Compatible (260 C)Yes
Transformer TypeEncapsulatedRohs CompliantYes
Lead Free Status / RoHS StatusLead free / RoHS Compliant  
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FEATURES
RoHS compliant
Maxim MAX253 compatible
3.3V and 5V versions
Isolation to 4kV
DC
Frequency range to 500kHZ
Toroidal construction
Industry-standard pinout
UL 94 V-0 package materials
Fully encapsulated
Low profi le
Surface mount option
Industrial temperature range
DESCRIPTION
The 78253 series of converter transformers are
specifi cally designed for use with the MAX253
chip set to provide isolated power supplies. The
5V version can supply 1W and the 3.3V version
can supply 500mW. A centre tapped secondary
winding allows for full bridge, half bridge or
voltage doubling.
 
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com
SELECTION GUIDE
Output
Input Voltage
Voltage
Order Code
V
78253/35C
3.3
5.0
78253/35MC
78253/55C
5.0
5.0
78253/55MC
78253/35VC
3.3
5.0
78253/35MVC
78253/55VC
5.0
5.0
78253/55MVC
ORDER CODE DETAILS
Order Code
Package Type
78253/XXC
6 Pin DIL
78253/XXMC
6 Pin SM
78253/XXMC-R
6 Pin SM
78253/35(M)C CHARACTERISTICS
Parameter
Conditions
Primary Inductance, L
100kHz, 250mV
P
Secondary Inductance, L
100kHz, 250mV
S
Leakage Inductance, L
100kHz, 250mV
L
Interwinding Capacitance, C
100kHz, 250mV
WW
Primary D.C. Resistance, R
>0.1VDC
DC
Volt-time Product, Et
Pins 1/2 or 2/3
78253/55(M)C CHARACTERISTICS
Parameter
Conditions
Primary Inductance, L
100kHz, 250mV
P
Secondary Inductance, L
100kHz, 250mV
S
Leakage Inductance, L
100kHz, 250mV
L
Interwinding Capacitance, C
100kHz, 250mV
WW
Primary D.C. Resistance, R
>0.1VDC
DC
Volt-time Product, Et
Pins 1/2 or 2/3
78253/35(M)VC CHARACTERISTICS
Parameter
Conditions
Primary Inductance, L
100kHz, 20mV
P
Secondary Inductance, L
100kHz, 20mV
S
Leakage Inductance, L
100kHz, 250mV
L
Interwinding Capacitance, C
100kHz, 250mV
WW
Primary D.C. Resistance, R
>0.1VDC
DC
Volt-time Product, Et
Pins 1/2 or 2/3
78253/55(M)VC CHARACTERISTICS
Parameter
Conditions
Primary Inductance, L
100kHz, 20mV
P
Secondary Inductance, L
100kHz, 20mV
S
Leakage Inductance, L
100kHz, 250mV
L
Interwinding Capacitance, C
100kHz, 250mV
WW
Primary D.C. Resistance, R
>0.1VDC
DC
Volt-time Product, Et
Pins 1/2 or 2/3
All specifi cations typical at T
=25°C
A
Technical enquiries - email: mk@murata-ps.com, tel:
78253 Series
MAX253 Compatible Converter Transformers
Max. Output
Isolation
Turns
Current
Voltage
Ratio
V
mA
V
DC
100
1500
1:2.27
200
1500
1:1.31
100
4000
1:2.14
200
4000
1:1.33
Packaging Type
Quantity
Tube
Tube
Tape & Reel
Min.
Typ.
Max.
0.30
0.38
0.46
1.60
2.00
2.40
0.30
1.00
30
50
0.40
1.00
30
35
Min.
Typ.
Max.
0.60
0.83
1.10
1.10
1.40
1.70
0.35
1.00
30
50
0.70
1.50
40
50
Min.
Typ.
Max.
110
142
185
550
710
850
3.00
5.00
4.20
8.00
0.30
0.50
18
22
Min.
Typ.
Max.
190
240
310
350
444
540
5.20
8.00
4.20
8.00
0.40
0.60
25
28
+44 (0)1908 615232
KMP_78253C_C03 Page 1 of 5
Package
Style
DIL
SM
DIL
SM
DIL
SM
DIL
SM
50
50
500
Units
mH
mH
μH
pF
Ω
Vμs
Units
mH
mH
μH
pF
Ω
Vμs
Units
μH
μH
μH
pF
Ω
Vμs
Units
μH
μH
μH
pF
Ω
Vμs

78253/55MVC-R Summary of contents

  • Page 1

    ... Order Code V 78253/35C 3.3 5.0 78253/35MC 78253/55C 5.0 5.0 78253/55MC 78253/35VC 3.3 5.0 78253/35MVC 78253/55VC 5.0 5.0 78253/55MVC ORDER CODE DETAILS Order Code Package Type 78253/XXC 6 Pin DIL 78253/XXMC 6 Pin SM 78253/XXMC-R 6 Pin SM 78253/35(M)C CHARACTERISTICS Parameter Conditions Primary Inductance, L 100kHz, 250mV P Secondary Inductance, L ...

  • Page 2

    ... Pin SM 0.10 (2.54) Ø0.05 (1.20) +0.006 (0.15) -0.000 (0.00) 0.04 (1.00) 78253 Series MAX253 Compatible Converter Transformers Top View Primary Secondary 0.025 (0.63) 0.021 (0.53) 0.1 (2.54) Unless otherwise stated all dimensions in inches (mm) ±0.01 (0.25). ...

  • Page 3

    ... EFFICIENCY CURVES 100 100 120 100 100 80 60 78253 Series MAX253 Compatible Converter Transformers 78253/55(M)C 300 400 100 200 0 Output Current (mA) 78253/55(M)VC 0 100 200 300 400 Output Current (mA) 78253/55(M)C 0 100 200 300 400 Output Current (mA) 78253/55(M)VC 0 100 200 300 400 Output Current (mA) Technical enquiries - email: mk@murata-ps ...

  • Page 4

    ... This verify the integrity of that isolation. series has toroidal isolation transformers, with no additional insulation between pri- All products in this series are 100% production mary and secondary windings of enameled tested at their stated isolation voltage ...

  • Page 5

    ... ISO 9001 & ISO 14001 REGISTERED Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifi ...