Over 15 years experience of providing support of MEAN WELL Power Supplies
Overview
SKA40B-15 is the 15V output model of this series: rated power 40W, typical efficiency 90.5%.
Features
- 2:1 wide input range
- High efficiency up to 92%
- 1500VDC I/O isolation
- Built-in EMI filter
- Built-in remote ON / OFF control
- Built-in remote sense
- Trimming output ±10%
- Protections: Short circuit / Overload / Over voltage
- Cooling by free air convection
- Six-sided shield metal case
- 100% burn-in test
- Low cost / High reliability
- Output 3.3V/9V available
- Approvals: FCC / EAC / CE / UKCA
- 2 years warranty
Specifications
OUTPUT
- DC VOLTAGE
- 15V
- CURRENT RANGE
- 0.26 ~ 2.67A
- RATED POWER
- 40W
- RIPPLE & NOISE (max.)Note.2
- 100mVp-p
- LINE REGULATIONNote.3
- ±0.5%
- LOAD REGULATIONNote.4
- ±0.5%
- VOLTAGE ACCURACY
- ±2.0%
- SWITCHING FREQUENCY
- 200KHz min.
- EXTERNAL CAPACITANCE LOAD (max.)
- 1000uF
- EXTERNAL TRIM Adj. RANGE(Typ.)
- ±10%
INPUT
- VOLTAGE RANGE
- 18 ~ 36VDC
- EFFICIENCY (Typ.)
- 90.5%
- DC CURRENT Full load
- 1900mA
- DC CURRENT No load
- 100mA
- FILTER
- Pi network
- REMOTE CONTROL
- Power ON : R.C ~ -Vin > 2.5V ~ 75VDC or open circuit ; Power OFF : R.C ~ -Vin < 0.5VDC or short
- PROTECTION
- Fuse recommended
PROTECTION (Note. 5)
- 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
- 5Vo : 7V ~ 8.95V ; 12Vo : 15V ~ 19.2V ; 15Vo : 18V ~ 23.3V Protection type : Clamp by TVS diode
ENVIRONMENT
- WORKING TEMP.
- -40 ~ +80℃ (Refer to "Derating Curve")
- WORKING HUMIDITY
- 20% ~ 90% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -55 ~ +105℃, 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
- DIMENSION
- 50.8*50.8*11.0 mm or 2"*2"*0.43" inch (L*W*H)
- PACKING
- 50g ; 5pcs/per tube, 200pcs/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 SKA40B-15 for a 15V industrial sensor or instrumentation load?
Yes, this unit provides a constant 15V output and is rated for 40W with up to 2.67A output current. It is appropriate for 15V industrial or embedded loads that stay within those electrical limits.
Is the SKA40B-15 suitable for 15V automation electronics in a compact enclosure?
It is designed for compact builds, with dimensions of 50.8 × 50.8 × 11.0 mm and a weight of 50g. For automation electronics that require 15V constant voltage, it supports loads up to 40W and 2.67A.
Can this model support 15V control modules in industrial equipment?
It can support 15V control modules when the available source is within the 18-36VDC input range. The converter delivers constant 15V output with a 40W rating and 2.67A maximum output current.
Would the SKA40B-15 work for 15V test or measurement devices inside a machine cabinet?
It can be used for 15V test, measurement, or control devices that require constant voltage and remain within 40W. The 2.67A output current limit is the key sizing number for those applications.
Can the SKA40B-15 handle wide ambient temperatures in industrial service?
The operating temperature range is specified as -40°C to +80°C. That supports use across a broad temperature range for protected industrial equipment.
Is this converter rated for exposed outdoor use?
The specs show a -40°C to +80°C operating temperature range, but they do not provide an IP rating. Because no ingress-protection rating is listed, the product specs do not establish suitability for exposed outdoor environments.
What is the difference between the SKA40B-15 and the other SKA40B models?
The SKA40B series includes 35W and 40W models. The SKA40B-05 is 5V at 7A (35W), while the SKA40B-12 is 12V at 3.33A (40W) and the SKA40B-15 is 15V at 2.67A (40W).
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