SCWN03W8 MEANWELL | Alldatasheet

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File Name:SCWN03W8,DCWN03W8-SPEC 2025-07-17 https://www.meanwell.com/serviceGTIN.aspx

ORDER NO. INPUT OUTPUT INPUT CURRENT OUTPUT VOLTAGE CAPACITOR LOAD (MAX.)OUTPUT CURRENTNO LOAD FULL LOAD INPUT VOLTAGE (RANGE) SCWN03W8-03 SCWN03W8-05 SCWN03W8-12 SCWN03W8-15 DCWN03W8-05 DCWN03W8-12 DCWN03W8-15 Nominal 12V, 24V,36V,48V,72V (9 ~ 75V) 3.3V 12V 15V ±5V ±12V ±15V 56mA 79mA 75mA 76mA 80mA 75mA 78mA 5mA 5mA 7mA 8mA 7mA 9mA 10mA 600mA 600mA 250mA 200mA ±300mA ±125mA ±100mA 74% 80% 84% 83% 79% 84% 81% 600μF 600μF 250μF 200μF *300μF *250μF *200μF EFFICIENCY (TYP.) * For each output File Name:SCWN03W8,DCWN03W8-SPEC 2025-07-17

SAFETY & EMC (Note.5) ISOLATION RESISTANCE ISOLATION CAPACITANCE (Typ.) Conducted BS EN/EN55032 Radiated ESD BS EN/EN61000-4-2 BS EN/EN61000-4-3 BS EN/EN61000-4-4 BS EN/EN61000-4-5 BS EN/EN61000-4-6 Radiated Susceptibility EFT/Bursts Surge Conducted 2500Khrs MIL-HDBK-217F(25℃) BS EN/EN55032 EMC EMISSION VOLTAGE RANGE SURGE VOLTAGE (100ms max.) INPUT FILTER PROTECTION (Typ.) VOLTAGE ACCURACY OUTPUT RATED POWER SHORT CIRCUIT PROTECTION OVERLOAD OVER VOLTAGE UNDER VOLTAGE LOCKOUT (Typ.) WORKING TEMP. CASE TEMPERATURE WORKING HUMIDITY STORAGE TEMP., HUMIDITY COOLING ENVIRONMENT TEMP. COEFFICIENT SOLDERING TEMPERATURE VIBRATION 100Vdc 9~75Vdc Pi type 1A Fast-Acting Type ±2% for 3.3Vo, ±1.5% for others 100mVp-p ±5% @ 25%~100% Load only for dual output ±0.5% -40 ~ +95℃ (Refer to "Derating Curve") +115℃ max. 20% ~ 90% RH non-condensing Free-air convection -40 ~ +125℃, 10 ~ 95% RH non-condensing 1.5mm from case of 1 ~ 3sec./260℃ max. 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes I/P-O/P:3KVdc EAC TP TC 020/2011 approved I/P-O/P:1000M Ohms / 500Vdc / 25℃/ 70% RH 1000pF 200KHz Protection type : Continuous, automatic recovery 110 ~ 230% rated output power Single ±0.5% ; ± output models: Dual output models: 1.0% Start-up voltage Shutdown voltage 8Vdc 8.8Vdc Parameter Standard Parameter Standard Test Level / Note Test Level / Note MTBF (Typ.) OTHERS DIMENSION (L*W*H) EMC IMMUNITY CASE MATERIAL Non-Conductive black plastic (UL 94V-0 rated) PACKING NOTE 12.5g ; 10pcs/per tube, 600pcs/60 tube/per carton File Name:SCWN03W8,DCWN03W8-SPEC 2025-07-17 RIPPLE & NOISE Note.2 CROSS DEGUIATION SWITCHING FREQUENCY (Typ.) LINE REGULATION Note.3 LOAD REGULATION Note.4 Protection type : Hiccup mode, recovers automatically after fault condition is removed Protection type : Clamp by zener diode Class A without additional components Class B with additional components Class B without additional components Level 2, 3V/m Level 2, 8KV air, 4KV contact± ± Level 2, 3V(e.m.f.) Level 2, 1KV Line-Line Level 2, 0.5KV

File Name:SCWN03W8,DCWN03W8-SPEC 2025-07-17 EMC Suggestion Circuit ※ Required external components to meet BS EN/EN55032 radiated Class B are as below: SCWN03W8 DCWN03W8 +Vin +Vin -Vin -Vin +Vout +Vout COM -Vout -Vout +Vin +Vin -Vin -Vin +Vout +Vout COM -Vout -Vout BS EN/EN55032 conduction Class BModel No. SCWN03W8 DCWN03W8

2.2 F/100Vμ 12μH

Ta (℃) LOAD (%) -40 -20 0 Natural convection 20 40 100 60 8580 95 100 Others For 3.3Vo/5Vo/±5Vo

File Name:SCWN03W8,DCWN03W8-SPEC 2025-07-17 ‧All dimensions in mm(inch) ‧Tolerance:x.x±0.5mm(x.xx±0.02") x.xx±0.25mm(x.xxx±0.010") ‧Pin size is:0.5±0.05mm (0.02"±0.002") Pin Assignment Pin-Out Pin No. 2,3 22,23 * N.P. : No Pin for standard model, the pin available when R.C is selected -Vin-Vin N.P. N.P. (Remote ON/OFF by request) (Remote ON/OFF by request) CommonN.C. -VoutN.C. +Vout+Vout Common-Vout +Vin+Vin SCWN03W8 (Single output) DCWN03W8 (Dual output) Mechanical Specification 31.8(1.25) 16 9 23 2 Bottom View Side View 15.24(0.6) 2.53(0.1) 3.8(0.15) 10.2(0.4)20.3(0.8) 0.5(0.02") Per Grid: 2.54mm Top View ψ0.8

File Name:SCWN03W8,DCWN03W8-SPEC 2025-07-17 Packing Installation Manual Please refer to : http://www.meanwell.com/manual.html MPQ Per Tube (PCS) Unit : mm 148g 600 10.88Kg Max. Q’TY/ Carton(PCS) One Carton G.W. CARTON L390.9 x W284.8 x H175.7 Standard Tube Packing One Tube G.W. Tube pattern 340 Product Foam H W L Tube Nails 23.2 18.4