Over 15 years experience of providing support of MEAN WELL Power Supplies
Overview
SKA20C-12 is the 12V output model of this series: rated power 20W, typical efficiency 87.5%.
Features
- 2"×1" compact size
- 2:1 wide input range
- High efficiency up to 89.5%
- 1500VDC I/O isolation
- Built-in remote ON/OFF control
- Built-in trimming output
- Built-in EMI filter
- Protections: Short circuit / Overload / Input and Output Over voltage
- Cooling by free air convection
- Six-sided shielded metal case
- 100% burn-in test
- Low cost / High reliability
- Approvals: FCC / EAC / CE / UKCA
- 2 years warranty
Specifications
OUTPUT
- DC VOLTAGE
- 12V
- CURRENT RANGE
- 166 ~ 1666mA
- RATED POWER
- 20W
- RIPPLE & NOISE (max.)Note.2
- 60mVp-p
- LINE REGULATIONNote.3
- ±0.2%
- LOAD REGULATIONNote.4
- ±0.5%
- VOLTAGE ACCURACY
- ±2.0%
- SWITCHING FREQUENCY
- 300KHz typ.
- EXTERNAL CAPACITANCE LOAD (max.)
- 220uF
- EXTERNAL TRIM Adj. RANGE(Typ.)
- -20 ~ +10%
INPUT
- VOLTAGE RANGE
- 36 ~ 75VDC
- EFFICIENCY (Typ.)
- 87.5%
- DC CURRENT Full load
- 500mA
- DC CURRENT No load
- 15mA
- FILTER
- Pi network
- REMOTE CONTROL
- Power ON : R.C ~ -Vin > 2.5V ~ 30VDC or open circuit ; Power OFF : R.C ~ -Vin < 0.5VDC or short
PROTECTION (Note. 5)
- PROTECTION
- Fuse recommended
- OVER CURRENT
- 110% ~ 180% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
- SHORT CIRCUIT
- All output equipped with short circuit Protection type : Hiccup mode, recovers automatically after fault condition is removed
- OVER VOLTAGE
- >80 ~ 82VDC input voltage Output Protection type : Shut down o/p voltage, recovers automatically after fault condition is removed
ENVIRONMENT
- WORKING TEMP.
- -40 ~ +85℃ (Refer to "Derating Curve")
- WORKING HUMIDITY
- 20% ~ 90% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -55 ~ +125℃, 10 ~ 95% RH
- TEMP. COEFFICIENT
- ±0.03% / ℃ (0 ~ 50℃)
- VIBRATION
- 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes
SAFETY & EMC
- SAFETY STANDARDS
- EAC TP TC 020/2011 (EAC TP TC 004 for 48Vin type only) approved
- WITHSTAND VOLTAGE
- I/P-O/P:1.5KVDC
- ISOLATION RESISTANCE
- I/P-O/P: 100M Ohms / 500VDC / 25℃/ 70% RH
- EMC EMISSION
- Compliance to BS EN/EN55032 Class A, FCC part 15 Class A, EAC TP TC 020
- EMC IMMUNITY
- Compliance to BS EN/EN61000-4-2,3,4,5,6,8, light industry level, criteria A, EAC TP TC 020
OTHERS
- MTBF
- 700Khrs min. MIL-HDBK-217F(25℃)
- DIMENSION
- 50.8*25.4*11.2 mm or 2"*1"*0.44" inch (L*W*H)
- PACKING
- 31.2g ; 10pcs/per tube, 400pcs/40 tube/per carton
Test conditions and notes5
- 1.All parameters are specified at normal input, rated load, 25℃ 70% RH ambient.
- 2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uf & 47uf capacitor.
- 3.Line regulation is measured from low line to high line at rated load.
- 4.Load regulation is measured from 10% to 100% rated load.
- 5.Please prevent the converter from operating in overload or short circuit condition for more than 30 seconds.
Technical drawings
Downloads
FAQ
Can I use the SKA20C-12 for a 12V industrial controller or automation module on a 36-75VDC input?
Yes, this converter accepts 36-75VDC input and delivers a constant 12V output. It is suitable for 12V loads up to 1.66A, within the 20W output rating.
Is the SKA20C-12 appropriate for 12V monitoring, control, or embedded hardware in higher-input systems?
It can be used when the application needs regulated 12V power from a 36-75VDC source. The connected equipment needs to stay within 1.66A output current and 20W maximum power.
Can this model support 12V industrial interface electronics where the source voltage varies across 36-75VDC?
That is the intended input window for this model, and the output is fixed at 12V in constant-voltage mode. It fits 12V interface or control electronics that do not exceed 1.66A.
What temperature and exposure conditions are specified for the SKA20C-12?
The published operating temperature range is -40°C to +85°C. The specs do not include an IP rating, so the product information does not state indoor sealed use, outdoor use, or weather resistance.
How does the SKA20C-12 compare with SKA20C-05 and SKA20C-15?
These SKA20C models all use the same 36-75VAC input range, 20W power class, 50.8 × 25.4 × 11.2 mm dimensions, 0.0312 kg weight, and -40°C to +85°C operating range. The output choices are 5V at 4A for SKA20C-05, 12V at 1.66A for SKA20C-12, and 15V at 1.33A for SKA20C-15.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Please log in to write a review.
Write a review
Reviews are checked before publishing. By submitting you confirm this is your genuine experience with this product.
Submitting your review…
It's published and now helps other buyers.
We're checking it and it'll appear shortly.
Please try again.






