2S7A_1U Series
2W Single Output - Fixed Input - Isolated & Unregulated
SIP PACKAGE
DC-DC Converter
2 Watt
Small footprint
Temperature range:
The 2S7A_1U series is a family of cost effective 2W single & dual output
DC-DC converters. These converters achieve low cost and ultra-minia-
ture SIP7 pin size. Devices are encapsulated using flame retardant resin.
High performance features include 1000VDC input/output isolation,
high efficiency operation and output voltage accuracy of ±±3 maxi-
mum. Standard features include an input range of ±103 tolerance and
low output ripple and noise.
7 Pin SIL package
Low ripple and noise
1KVDC isolation
RoHS compliance
-40°C ~ +85°C
Efficiency up to 86%
Internal SMD construction
Common specifications
Short circuit protection:
Case temperature:
Cooling:
Output specifications
1 second
Item
Test condition
1003 full load
Min Typ Max
±±
Units
3
100°C MAX
Output voltage
accuracy
Nature convection
-40°C – +85°C
Line regulation
Load regulation
Per Vin change of ±13
±1.2
3
Operation temperature range:
Storage temperature range:
Soldering temperature:
Storage humidity range:
Case material:
203 to 1003 full load
• ±.±V output
• others
-40°C – +125°C
±20
±10
3
3
260°C (1.5mm from case for 10 sec.)
< 953
Temperature
coefficient
1003 full load
±0.02
3/°C
Plastic [UL94-V0]
0.5mm Alloy42 solder-coated
Plastic [UL94-V0]
IEC 60950-1
Ripple&Noise
20MHz Bandwidth
75
mVpk-pk
KHz
Pin material:
Switching frequency Full load, nominal
input
80
Potting material:
Safety standard:
MTBF:
>±,500,000 hours
2.±g
EMC specifications
Weight:
CE*
EN550±2
CLASS B
RE
EN550±2
CLASS B
Dimensions:
19.± x 6 x 10mm
ESD
RS
IEC/EN61000-4-2
IEC/EN61000-4-±
IEC/EN61000-4-4
IEC/EN61000-4-5
IEC/EN61000-4-6
IEC/EN61000-4-8
perf. Criteria A
perf. Criteria A
perf. Criteria A
perf. Criteria A
perf. Criteria A
perf. Criteria A
Input specifications
EFT**
Surge**
CS
Item
Test condition
Min
Typ Max Units
Voltage range
Input filter
±10
3
Capacitor
PFMF
Input reflected ripple Simulated source
current
20
mApk-pk
inductance of 12µH
*
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 IEC61000-4-4
and IEC61000-4-5.
Input surge voltage
(100ms)
• ±.±VDC input
• 5VDC input
• 12VDC input
• 15VDC input
• 24VDC input
• 48VDC input
6
VDC
VDC
VDC
VDC
VDC
VDC
7
15
18
28
54
Example:
2S7A_0505S1U
2= 2Watt; S7= SIP7; A= Pinning; 5Vin; 5Vout; S= Single Output;
1= 1kVDC; U= Unregulated Output
Isolation specifications
Item
Test condition
Min
Typ
Max
Units
VDC
MΩ
Isolation voltage
Isolation resistance
Isolation capacitance
Tested for 1 minute
1000
1000
Note:
1. Operation under minimum load will not damage the converter; However, they
may not meet all specification listed, and that will reduce the life of product.
2. All specifications measured at Ta=25°C, humidity<753, nominal input voltage
and rated output load unless otherwise specified.
60
pF
±. In this datasheet, all the test methods of indications are based on corporate
standards.
4. Only typical models listed, other models may be different, please contact our
technical person for more details.
Page 1 of 5
2S7A_1U – Rev. 2018-1.1
Specifications subject to change without notice.
GAPTEC-Electronic GmbH & Co. KG
sales@gaptec-electronic.com – www.gaptec-electronic.com
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