NMUSB202MC Datasheet, PDF (3/8 Pages) Murata Power Solutions Inc. – Powered Dual Port USB Data Isolator

NMUSB202MC
Powered Dual Port USB Data Isolator
TECHNICAL NOTES
ISOLATION VOLTAGE
‘Hi Pot Test’, ‘Flash Tested’, ‘Withstand Voltage’, ‘Proof Voltage’, ‘Dielectric Withstand Voltage’ & ‘Isolation Test Voltage’ are all terms that relate to the same thing, a test
voltage, applied for a specified time, across a component designed to provide electrical isolation, to verify the integrity of that isolation.
Murata Power Solutions NMUSB202MC data isolator is 100% production tested at its stated isolation voltage. This is 3kVAC for 1 second.
The NMUSB202MC series has been recognized by Underwiters Laboratory to 250 Vrms Reinforced Insulation.
REPEATED HIGH-VOLTAGE ISOLATION TESTING
It is well known that repeated high-voltage isolation testing of a barrier component can actually degrade isolation capability, to a lesser or greater degree depending on
materials, construction and environment. We therefore strongly advise against repeated high voltage isolation testing, but if it is absolutely required, that the voltage be
reduced by 20% from specified test voltage.
SAFETY APPROVAL
ANSI/AAMI ES60601-1
The NMUSB202MC series is pending recognition ANSI/AAMI ES60601-1 and provides 2 MOOP (means of operator protection) based upon a working voltage of 250 Vrms max.,
between Primary and Secondary.
UL 60950
The NMUSB202MC series has been recognized by Underwriters Laboratory (UL) to UL 60950 for reinforced insulation to a working voltage of 250Vrms.
FUSING
The NMUSB202MC series of converters are not internally fused so to meet the requirements of UL an anti-surge input line fuse should always be used with ratings as defined
below.
NMUSB202MC - 2.5A (125Vdc rated)
All fuses should be UL recognized and rated to at least the maximum allowable DC input voltage.
RoHS COMPLIANCE, MSL AND PSL INFORMATION
NMUSB202MC is compatible with RoHS soldering systems with a peak reflow solder temperature of 245ºC as per
J-STD-020D.1. The pin termination finish on this product series is Gold with Nickel Pre-plate. The series is backward
compatible with Sn/Pb soldering systems. The product has a Moisture Sensitivity Level (MSL) 3.
TEMPERATURE DERATING GRAPH
6.00
NMUSB202MC
5.00
4.00
Still Air
3.00
100 lfm
200 lfm
400 lfm
2.00
1.00
0.00
50
60
70
80
Temperature (°C)
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