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S8EA

Switch Mode Power Supply (50, 75, 100, and 150-W Models)

S8EA

Board-type Switch Mode Power Supply with Simple Circuits That Concentrate on Basic Functions for Easy Operation Exclusive Use for 100 VAC

Ratings, Characteristics, and Functions

Power rating 50 W 75 W
Output voltage 5 V 12 V 24 V 5 V 12 V 24 V
Efficiency (Typ.) 100 VAC input 78% 84% 85% 83% 85% 88%
Input Voltage *1 100 to 120 VAC
(allowable voltage: 85 to 132 VAC, 120 to 175 VDC *6)
Frequency *1 50/60 Hz (47 to 63 Hz)
Current (Typ.) 100 VAC input 1.3 A 1.4 A 1.6 A
Power factor ---
Harmonic current emissions ---
Leakage current 100 VAC input 0.5 mA max. (model with low leakage current: 0.1 mA max.)
Inrush current 100 VAC input 17.5 A max.
Output Voltage adjustment range *2 ±10% (with V. ADJ)
Ripple *3 150 mV
max.
240 mV
max.
480 mV
max.
150 mV
max.
240 mV
max.
480 mV
max.
Input variation influence ±1% max. (with 100 VAC input
at 100% load)
±1% max. (with 100 VAC input
at 100% load)
Load variation influence 2% max. 1.5% max. 2% max. 1.5% max.
Temperature variation influence 0.05%/°C max.
Startup time (Typ.) 100 VAC input 400 ms 550 ms
Hold time (Typ.) 100 VAC input 20 ms 25 ms
Additional
functions
Overload protection 105% to 160% of rated load current, voltage drop, intermittent,
automatic reset
Overvoltage protection *4 Yes (at 130% or higher of rated output)
Series operation Yes (For up to two Power Supplies; external diodes required.)
Parallel operation No
Other Ambient operating temperature -10 to 60°C (Derating is required according to the temperature.)
(with no icing or condensation)
Storage temperature -25 to 75°C
Ambient operating humidity 25% to 85% (Storage humidity: 25% to 90%)
Dielectric strength 3.0 kVAC for 1 min. (between all inputs and outputs; Cutoff current:
10 mA)
2.0 kVAC for 1 min. (between all inputs and PE; Cutoff current: 10
mA)
1.0 kVAC for 1 min. (between all outputs and PE; Cutoff current: 20
mA)
Insulation resistance 100 MΩ min. (between all outputs and all inputs/PE)
Vibration resistance 10 to 55 Hz, 19.6 m/s2 (2 G) for 1 h each in X, Y, and Z directions
Shock resistance 196.1 m/s2, 3 times each in ±X, ±Y, ±Z directions
Conducted emissions Conforms to EN 55011 Group 1 Class B *7 *8
Radiated emissions Conforms to EN 55011 Group 1 Class B *7 *8
Approved standards UL UR: UL 60950-1 (Recognition)
cUR: CSA C22.2 No. 60950-1
EN: EN 50178 and EN 60950-1
SEMI ---
Weight *5 140 g max. (without chassis
and cover)
190 g max. (without chassis
and cover)

Power rating 100 W 150 W
Output voltage 5 V 12 V 24 V 5 V 12 V 24 V
Efficiency (Typ.) 100 VAC input 79% 85% 83% 81% 85% 87%
Input Voltage *1 100 to 120 VAC
(allowable voltage: 85 to 132 VAC, 120 to 175 VDC *6)
Frequency *1 50/60 Hz (47 to 63 Hz)
Current (Typ.) 100 VAC input 2.1A 3.3A
Power factor ---
Harmonic current emissions ---
Leakage current 100 VAC input 0.5 mA max. (model with low leakage current: 0.1 mA max.)
Inrush current 100 VAC input 17.5 A max.
Output Voltage adjustment range *2 ±10% (with V. ADJ)
Ripple *3 150 mV
max.
240 mV
max.
480 mV
max.
150 mV
max.
240 mV
max.
480 mV
max.
Input variation influence ±1% max. (with 85 to 132 VAC input at 100% load)
Load variation influence 2% max. 1.5% max. 2% max. 1.5% max.
Temperature variation influence 0.05%/°C max.
Startup time (Typ.) 100 VAC input 550 ms 350 ms
Hold time (Typ.) 100 VAC input 20 ms 25 ms
Additional
functions
Overload protection 105% to 160% of rated load current, voltage drop, intermittent,
automatic reset
Overvoltage protection *4 Yes (at 130% or higher of rated output)
Series operation Yes (For up to two Power Supplies; external diodes required.)
Parallel operation No
Other Ambient operating temperature -10 to 60°C (Derating is
required according to the
temperature.) (with no icing or
condensation)
5 V: -10 to 60°C (Derating is
required according to the
temperature.)
12/24 V: -10 to 70°C
(Derating is required according
to the temperature.)
(with no icing or condensation)
Storage temperature -25 to 75°C
Ambient operating humidity 25% to 85% (Storage humidity: 25% to 90%)
Dielectric strength 3.0 kVAC for 1 min. (between all inputs and outputs; Cutoff current:
10 mA)
2.0 kVAC for 1 min. (between all inputs and PE; Cutoff current: 10
mA)
1.0 kVAC for 1 min. (between all outputs and PE; Cutoff current: 20
mA)
Insulation resistance 100 MΩ min. (between all outputs and all inputs/PE)
Vibration resistance 10 to 55 Hz, 19.6 m/s2 (2 G) for 1 h each in X, Y, and Z directions
Shock resistance 196.1 m/s2, 3 times each in ±X, ±Y, ±Z directions
Conducted emissions Conforms to EN 55011 Group 1 Class B *7 *8
Radiated emissions Conforms to EN 55011 Group 1 Class B *7 *8
Approved standards UL UR: UL 60950-1 (Recognition)
cUR: CSA C22.2 No. 60950-1
EN: EN 50178 and EN 60950-1
SEMI ---
Weight *5 250 g max. (without chassis
and cover)
320 g max. (without chassis
and cover)