FEATURES
* High Power density, 40W in 1.5″ x 3″ footprint
* Meet Efficiency Level V
* Energy Consumption Criteria for No-Load under 100mW
The EJ-0XXB-1YXXS-PW 25W/ 40W Open Frame Power Supply delivers higher efficiency and improved no-load performance to meet the growing demand for green power technology. Featuring industry standard footprints, the EJ-0XXB-1YXXS-PW 25W/ 40W Open Frame Power Supply’s efficient design, compact size and rock-solid reliability make these power supplies the ideal solution for a range of consumer, industrial, and ITE applications.
DC Outputs
| Model no. | Output voltage |
Minimum load | Maximum load with convection cooling |
Output watts | Peak Load with Convection Cooling(60sec.) |
O/P regulation | Ripple & noise (Vp-p) |
LPS |
|---|---|---|---|---|---|---|---|---|
| EJ-025B-1Y05S-PW | +5V | 0A | 5.00A | 25W | 7.00A(35W) | 5% | 100mV | – |
| EJ-040B-1Y12S-PW | +12V | 0A | 3.34A | 40W | 4.17A(50W) | 3% | 120mV | V |
| EJ-040B-1Y15S-PW | +15V | 0A | 2.67A | 40W | 3.34A(50W) | 3% | 150mV | V |
| EJ-040B-1Y18S-PW | +18V | 0A | 2.23A | 40W | 2.78A(50W) | 3% | 180mV | V |
| EJ-040B-1Y24S-PW | +24V | 0A | 1.67A | 40W | 2.09A(50W) | 3% | 240mV | V |
| EJ-040B-1Y36S-PW | +36V | 0A | 1.12A | 40W | 1.39A(50W) | 2% | 240mV | V |
| EJ-040B-1Y48S-PW | +48V | 0A | 0.84A | 40W | 1.05A(50W) | 2% | 240mV | V |
Electrical specifications
• Input range : 90 – 264VAC
• Inrush current : < 40A peak @115VAC; < 80A peak @230VAC cold start @25°C • Input current (rms) : 1A @115VAC; 0.5A @230VAC max. • Efficiency : > 85% typical @full load, 115VAC (EJ-025B-1Y05S-PW: 80%)
• Maximum output power (Po) : 40 Watts convection cooling
• Hold-up time : > 6ms typical @full load, 115VAC
• Short circuit protection : Auto-recovery
• Over load protection : 180% maximum rating, Auto-recovery
• Over voltage protection : Output 110% to 130% rated output voltage
Safety standards
• UL 60950-1.
• CSA C22.2 No. 60950-1.
• Nemko EN60950-1
• CB IEC 60950-1
EMI standards
• FCC Part 15 Class B.
• CISPR22 Class B.
• EN 55022 Class B.
• EN 55024.
• CE.
Environmental
• Operating temperature : 0 to +70°C (Derate linearly 2.5% per °C from 51 to 70°C)
• Storage temperature: -40°C to +85°C
• Humidity: Non-condensing 5% to 95%
• MTBF : > 150,000 hours @full load and 25°C ambient temperature
Matching connectors
• CN1 = AC input JST P/N: B3P-VH-B (or equivalent) female housing JST P/N: VHR-3N(or equivalent).
• CN2 = DC output ST P/N: B2P-VH-B (or equivalent) female housing JST P/N: VHR-2N (or equivalent).
Description
• Dimension : L76.2 × W38.1 × H23.5 mm ( 3″ × 1.5″ × 0.93″ )
• Weight : 0.074 kgs. ( 0.164 lbs. )