20/40 Watts xppower.com ECE Series Ultra Compact Size Single Outputs from 3.3 to 48 V Encapsulated PCB & Chassis Mount Versions <0.3 W No Load Input Power Peak Load Capability 3 Year Warranty Specification Input General Input Voltage 85-264 VAC (120-370 VDC) derate load Efficiency See tables from 100% at 90 VAC to 90% at 85 VAC Isolation 3000 VAC Input to Output Input Frequency 47-63 Hz Switching Frequency 100 kHz typical 3 Input Current ECE20: 0.3 A rms at 230 VAC Power Density ECE20: 9.97 W/In 3 ECE40: 0.5 A rms at 230 VAC ECE40: 7.82 W/In Inrush Current 20 A at 115 VAC, 40 A at 230 VAC, MTBF >450 kHrs to MIL-HDBK-217F at 25 C, GB cold start at 25 C Power Factor EN61000-3-2 Class A Environmental Earth Leakage Current Class II construction no earth Operating Temperature -25 C to +70 C, derate linearly from No Load Input Power <0.3 W 100% at +50 C to 50% at +70 C Input Protection ECE20: Internal T1 A/250 VAC fuse Cooling Convection-cooled ECE40: Internal T2 A/250 VAC fuse Operating Humidity 95% RH, non-condensing Output Storage Temperature -40 C to +85 C Operating Altitude 3000 m Output Voltage See tables Vibration 2 g, 10 Hz to 500 Hz, 10 mins/cycle, 60 Initial Set Accuracy 1% mins each of 3 axes. Minimum Load No minimum load required Start Up Delay 2 s max EMC & Safety Start Up Rise Time 16 ms max Emissions EN55032, level B conducted & radiated Hold Up Time 8 ms minimum at full load & 115 VAC Harmonic Currents EN61000-3-2, EN61000-3-3 Line Regulation 0.5% max ESD Immunity EN61000-4-2, level 3 Perf Criteria A Load Regulation 1% max, 2% max for ECE40US03/05-S Radiated Immunity EN61000-4-3, 10 V/m 80% mod Transient Response 4% max deviation, recovery to within Perf Criteria A 1% in 500 s for a 25% load change EFT/Burst EN61000-4-4, level 3 Perf Criteria A Ripple & Noise 3.3-5 V versions: 60 mV pk-pk, 3.3-5 V ECE40-S versions: 75 mV Surge EN61000-4-5, installation Class 3, pk-pk (see note 5), all other models 1% Perf Criteria A pk-pk max 20 MHz bandwidth Conducted Immunity EN61000-4-6, 10 Vrms Perf Criteria A Overvoltage Protection 115-140% Vnom, 195-216% Vnom Magnetic Fields EN61000-4-8, 10 A/m Perf Criteria A ECE20US03 / ECE40US03 Dips & Interruptions EN61000-4-11, 30% for 10 ms, Overload Protection 110-180% 60% for 100 ms, 100% for 5000 ms Short Circuit Protection Trip and restart (hiccup mode) Perf Criteria A, B, B Safety Approvals IEC60950-1:2005 Ed 2 / IEC62368-1:2014 Temperature 0.05%/C UL 62368-1 & CAN/CSA C22.2 No. 62368- Coefficient 1-14, EN62368-1:2014/A11:2017 AC-DCAC-DC ECE20/40 Models and Ratings Output Current (4) Output Power Output Voltage Efficiency Model Number (1) Nominal Peak 15.0 W 3.3 VDC 4.55 A 5.85 A 73% ECE20US03 20.0 W 5.0 VDC 4.00 A 5.20 A 77% ECE20US05 20.0 W 9.0 VDC 2.22 A 2.89 A 83% ECE20US09 20.0 W 12.0 VDC 1.67 A 2.17 A 82% ECE20US12 20.0 W 15.0 VDC 1.33 A 1.73 A 83% ECE20US15 20.0 W 24.0 VDC 0.83 A 1.08 A 82% ECE20US24 20.0 W 48.0 VDC 0.42 A 0.55 A 86% ECE20US48 (2)(3) 33.0 W 3.3 VDC 10.00 A 13.00 A 73% EC E40 US03 (2)(3) 40.0 W 5.0 VDC 8.00 A 10.40 A 77% ECE40US05 (2)(3) 40.0 W 9.0 VDC 4.44 A 5.77 A 80% ECE40US09 (2)(3) 40.0 W 12.0 VDC 3.33 A 4.33 A 84% ECE40US12 (2)(3) 40.0 W 15.0 VDC 2.67 A 3.47 A 84% ECE40US15 (2)(3) 40.0 W 24.0 VDC 1.67 A 2.17 A 85% ECE40US24 (2)(3) 40.0 W 48.0 VDC 0.83 A 1.08 A 86% ECE40US48 Notes 1. Peak load lasting <30 s with a maximum duty cycle of 10%, average output 4. Average of efficiencies measured at 25%, 50%, 75% & 100% load with power not to exceed nominal power. 230 VAC input. 2. Add suffix -S to model number to denote chassis mount with screw terminal 5. 3.3 & 5 V ECE40-S versions meet 75 mV pk-pk with 20 MHz bandwidth and type, e.g. ECE40US12-S. Only available with ECE40 models. 0.1 F capacitor across output terminals. 3. A screw terminal versions (-S) is available with DIN Clip attached. Add suffix D, e.g. ECE40US24-SD. DIN Rail mounting clip is available as a separate item, order code ECL25/30 DIN CLIP. Mechanical Details ECE20 ECE40 3.10 (78.7) 0.13 0.80 0.01 0.13 (3.2) (3.4) (20.3 0.3) 0.40 0.01 (10.1 0.3) ACN +Vo ACN 0.59 (15.0) TOP VIEW 1.07 1.18 1.50 TOP VIEW (38.1) (30.0) (27.2) -Vo -Vo ACL 0.16 (4.1) 1.80 0.01 (45.7 0.3) ACL +Vo 0.13 (3.4) 2.06 (52.4) 2.85 (72.4) 0.91 1.10 (23.0) (27.9) 4x 0.04 (1.0) 4 x 0.04 (1.0) 0.39 (10.0) 0.39 (10.0) ECE40 Screw Terminal (-S) 3.43 (87.0) 4x 0.14 (4x 3.5) 0.44 (11.2) -Vo ACN TOP VIEW 0.84 (21.3) 1.57 ACL 1.20 (40.0) +Vo (30.5) 3.01 (76.4) 1 0.39 (10.0) 1.12 Notes (28.5) 1. All dimensions in inches (mm). 2. Weight: ECE20: 0.13 lbs (60 g) ECE40: 0.33 lbs (150 g) 3.78 (96.0) ECE40 Optional Screw Terminal: 0.37 lbs (170 g) 0.27 0.10 (6.8) (2.5) 3. Tolerances: x.xx = 0.02 (x.x = 0.5), x.xxx = 0.01 (x.xx = 0.25) Optio nal DIN clip 18 Feb 20