1S4E_S1U series
1W - Single Output - Fixed Input - Isolated & Unregulated
MINIATURE SIP PACKAGE
DC-DC Converter
1 Watt
The 1S4E_S1U series are specially designed for applications where a single power
supply is isolated from the input power supply in a distributed power supply
system on a circuit board.
Efficiency up to 83%
Small Footprint
Industry standard pinout
UL94-V0 package
RoHS compliance
EMI complies with
EN55022 Class B
Miniature SIP package
Single output voltage
1kVDC Isolation
These products apply to:
1) Where the voltage of the input power supply is fixed
(voltage variation ≤ 10ꢀ)ꢁ
Temperature Range:
-40°C~+85°C
Low ripple and noise
2) Where isolation is necessary between input and output
(isolation voltage = 1500VDC)
3) Where the regulation of the output voltage and the output ripple and noise
are not demanding.
Such as: purely digital circuits, ordinary low frequency analog circuits and IGBT
power device driven circuits, etc.
Common specifications
Short circuit protection:
Maximum case temperature:
Cooling:
Output specifications
1 second
Item
Test condition
Min Typ
Max
3
Units
ꢀ
100°C
Output voltage
accuracy
Nature convection
-40°C~+85°C
Line regulation
Load regulation
Temperature drift
Ripple & noise
For Vin change of 1ꢀ
10ꢀ to 100ꢀ full load
100ꢀ full load
1.2
15
ꢀ
Operation temperature range:
Storage temperature range:
Storage humidity range:
Soldering temperature:
Safety standard:
ꢀ
-40°C ~+125°C
0.02
100
ꢀ/°C
mVp-p
KHz
< 95ꢀ
20MHz Bandwidth
260°C MAX, 1.5mm from case for 10 sec
IEC 60950-1
Switching frequency Full load, nominal input
80
Case material:
Plastic [UL94-V0]
0.5mm Alloy42 solder-coated
Epoxy [UL94-V0]
>1.121 Mhours
EMC specifications
Pin material:
CE*
EN55032
CLASS B
CLASS B
Potting material:
RE
EN55032
MTBF (MIL-HDBK-217-F):
Weight:
ESD
RS
IEC 61000-4-2
IEC 61000-4-3
IEC 61000-4-4
IEC 61000-4-5
IEC 61000-4-6
IEC 61000-4-8
Perfect criteria A
Perfect criteria A
Perfect criteria A
Perfect criteria A
Perfect criteria A
Perfect criteria A
1.5g
Dimensions:
0.46x0.24x0.40 inch
EFT**
Surge**
ESD
ESD
Input specifications
Item
Test condition
Min Typ
Max Units
Input voltage range
Input surge voltage
10
ꢀ
*
Input filter components are required to help meet conducted emissions Class B,
which application refer to the EMI filter of design & feature configuration.
** An external filter capacitor is required if the module has to meet IEC 61000-4-4
and IEC 61000-4-5.
• 3.3V models
• 5V models
• 12V models
• 15V models
• 24V models
• 48V models
6
7
15
18
28
54
VDC
VDC
VDC
VDC
VDC
VDC
Example:
1S4E_0505S1U
Input filter
Capacitor
1= 1Watt; S4= SIP4; E= Pinning; 5Vin; 5Vout; S= Single Output;
1= 1kVDC; U= Unregulated Output
Reflected ripple
current*
20
mApk-pk
* Measured with a simulated source inductance of 12µH.
Note:
Isolation specifications
1. All specifications measured at TA = 25°C, humidity < 75ꢀ, nominal input voltage
and rated output load unless otherwise specified.
2. Exceeding the absolute ratings of the unit could cause damage. It is not allo-
wed for continuous operating.
3. Operation under no-oad conditions will not mdamage these devices, however
they may not meet all listed specifications.
Item
Test condition
Min
Typ
60
Max
Units
VDC
pF
Isolation voltage
Isolation capacitance
Isolation resistance
Tested for 1 minute
1000
1000 MΩ
Page 1 of 4
1S4E_S1U – Rev. 2019-1.3
Specifications subject to change without notice.
GAPTEC-Electronic GmbH & Co. KG
sales@gaptec-electronic.com – www.gaptec-electronic.com
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