Input Characteristics:（Ta=25℃）

Min

Typ

Max

Units

Input Voltage Operating Range

90

100/242

267

Vac

Input Frequency

47

50/60

63

Hz

10

A

AC242V（25℃ Cold start）

20

A

Model Name

Input current(Typ)

Power Factor (Typ)

Input Power(Typ)

Input rated capacity

At max current

At max current

At max current

Output Voltage：５０V

Output Voltage：５０V

Output Voltage：５０V

Output Voltage：５０V

AC90V

AC267V

AC100V

AC242V

AC100V

AC242V

MPA1948A

0.49A

0.18A

0.994

0.939

43.2W

42.2W

MPA1948B

0.42A

0.16A

0.991

0.916

37.0W

36.4W

MPA1948C

0.35A

0.14A

0.989

0.887

31.1W

31.0W

MPA1948D

0.30A

0.13A

0.983

0.853

26.5W

26.8W

MPA1948E

0.39A

0.15A

0.988

0.894

33.2W

32.9W

Stand-by Power

Non-communication state

AC100V：0.13Wｔｙｐ, AC242V：0.23Wｔｙｐ

Output Characteristics(*1)：（Ta=25℃）

Model Name

Min（*2）

Max

AC100V

AC242V

AC100V

AC242V

MPA1948A

7～35mA

700mA

108mA

77.9%

77.3%

81.8%

83.8%

MPA1948B

6～30mA

600mA

102mA

76.8%

76.2%

80.9%

82.5%

MPA1948C

5～25mA

500mA

81mA

76.2%

75.1%

81.1%

81.4%

MPA1948D

4.2～21mA

425mA

79mA

75.3%

72.6%

80.7%

79.6%

MPA1948E

5.4～27mA

540mA

100mA

76.8%

76.1%

81.3%

82.1%

(*1)Output characteristics are measured by LE-5150-2(KEISOKUGIKEN) as a LED-load .

Ripple current（p-p）

Output voltage：30V

Typ（At max current）

30～50V

30～50V

40VA

38VA

33VA

35VA

Model Name

Output voltage range

Output voltage：50V

Average current(Typ)

Max current(±5%）

600mA

30～50V

MPA1948E

540mA

Output current（±5%)

30～50V

700mA

500mA

MPA1948A

MPA1948B

Efficiency（Typ） At max current

MPA1948D

425mA

30～50V

31VA

PRODUCT SPECIFICATION

MPA1948

 Series

Power Supply for LED

Constant current power supply

Ordering Guide

MPA1948C

RoHS-Y（B)

()

p

y

(

)

(*2）Depend on Dimming method. Max current value×(1～5%）

Environmental Characteristics:

Condition

Min

Typ

Max

Units

Operating Temp. Range

-10　(*)

50

℃

Operating Humidity

Non-condensing

595

%

Storage Temp. Range

-20

55

℃

Cooling condition

Natural air cooling

MTBF

EIAJ RCR-9102B

10

year

Estimated life

Ta=50℃, Max Voltage/Max load

50000

hour

Weight

480

g

Sinusoidal Vibration

Vibration frequency：10～55Hz、Vibration acceleration：2G

Shock

10G

RoHS

compliant

Warranty

1 Year

Manufacturing Country

China

（*）Start-up at -20℃

Safety:

Safety standards

Electrical Appliance Safety Low (1st clause)

EN61347-1, EN61347-2-13（CB REPORT)

Harmonics

EN61000-3-2 class C

Conducted emission

PSE（1st clause)、EN55015 CLASS B, EN55022 CLASS B

Insulation resistance

30MΩ or more　（Input to Output-Reinforced、Input to Chassis-Basic）

Withstand voltage

AC4000V　（60Hz　Primary-Secondary）、Leak current：10mA or less

AC1600V　（60Hz　Primary-FG）、Leak current：10mA or less

Leakage current

1　rms or less　（AC242V　60Hz　normal temperature/normal humidity)

Protection Characteristics:

（*）Input AC again 10 seconds later.

（**）When LED is connected, be careful to be possible to flow rush current to LED.

Immunity:

Electrostatic discharge

IEC61000-4-2

Level　3

Electrical fast transient burst

IEC61000-4-4

Level　3

Surge

IEC61000-4-5

Level　3

Over Voltage Protection

Over Current Protection

－

Latching

Output Open Protection

Auto recovery（**）

Auto recovery（**）

Operating

ON/OFF　Repeat

Return method

0.8A or more

60V or more

AC re-input（*）

ON/OFF　Repeat

Conditions

1/8

Product specification

MPA1948　Series