B_S(D)-W2 Series
0.25W, FIXED INPUT, ISOLATED & UNREGULATED
SINGLE OUTPUT DC-DC CONVERTER
RoHS
FEATURES
PRODUCT PROGRAM
● SIP/DIP Package
● 1KVDC Isolation
Input
Voltage (VDC)
Output
Part
Number
Efficiency
(%, Typ)
Current (mA)
Voltage
(VDC)
● Temperature Range: -40°C ~ +85°C
● No Heatsink Required
● Internal SMD Construction
● No External Component Required
● Industry Standard Pinout
● RoHS Compliance
Nominal
Range
Max.
76
50
76
50
28
21
17
76
50
21
17
50
21
17
Min.
8
B0303S/D-W2*
B0305S/D-W2
B0503S/D-W2
B0505S/D-W2
B0509S/D-W2
B0512S/D-W2
B0515S/D-W2
B1203S/D-W2
B1205S/D-W2
B1212S/D-W2
B1215S/D-W2
B2405S/D-W2
B2412S/D-W2
B2415S/D-W2
Note:
3.3
5
62
64
64
64
65
65
65
62
63
65
66
63
65
66
3.3
2.97-3.63
5
3.3
5
8
5
5
4.5-5.5
9
3
12
15
3.3
5
2
2
APPLICATIONS
8
The B_S-W2/B_D-W2 series are specially
designed for applications where a group of polar
power supplies are isolated from the input power
supply in a distributed power supply system on a
circuit board.
5
12
24
10.8-13.2
21.6-26.4
12
15
5
2
2
5
12
15
2
These products apply to:
1) Where the voltage of the input power supply
is fixed (Voltage variation ≤ ±10%);
2
1.Models listed with strike-through text have been officially discontinued.
2.*Designing.
2) Where isolation is necessary between input
and output (Isolation voltage ≤1000VDC);
3) Where the regulation of the output voltage
and the output ripple noise are not
demanding.
COMMON SPECIFICATIONS
Item
Test conditions
Min.
Typ.
15
Max. Units
Storage humidity
Operating temperature
Storage temperature
Temp. rise at full load
Lead temperature
Cooling
95
85
%
Such as: purely digital circuits, ordinary low
frequency analog circuits, and IGBT power
device driving circuits.
-40
-55
125
25
°C
1.5mm from case for 10 seconds
300
Free air convection
Plastic(UL94-V0)
1
Case material
MODEL SELECTION
Short circuit protection*
MTBF
s
B0505S-W2
Rated Power
Packa ge Style
Output Voltage
Input Voltage
Produc t Series
3500
k hours
B_S-W2 Series
B_D-W2 Series
1.2
1.8
Weight
g
*Supply voltage must be discontinued at the end of short circuit duration.
ISOLATION SPECIFICATIONS
MORNSUN Science & Technology Co.,Ltd.
Address: No. 5, Kehui St. 1, Kehui development
center, Science Ave., Guangzhou Science City,
Luogang district, Guangzhou,P.R.China.
Tel: 86-20-38601850
Item
Test conditions
Min.
1000
1000
Typ.
85
Max. Units
Isolation voltage
Isolation resistance
Isolation capacitance
Tested for 1 minute and 1mA max
Test at 500VDC
VDC
MΩ
pF
Fax:86-20-38601272
Http://www.mornsun-power.com
The copyright and authority for the interpretation of the products are reserved by MORNSUN
Specifications subject to change without notice.
B_S(D)-W2 B/2-2012 Page 1 of 3
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