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Mean Well DKA15B-05 DC-DC Converter - 15W - 18~36V in ±5V out 1.5A
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DKA15B-05 is the ±5V output model of this series: rated power 15W, typical efficiency 80%.
Features
- 2:1 wide input range
- 4:1 wide input range(option)
- 1500VDC I/O isolation
- 3000VDC I/O isolation(option)
- Built-in EMI filter
- Protections: Short circuit / Overload
- Cooling by free air convection
- Six-sided shield metal case
- 100% burn-in test
- Low cost / High reliability
- Approvals: FCC / EAC / CE / UKCA
- 2 years warranty
Specifications
OUTPUT
- DC VOLTAGE
- ±5V
- CURRENT RANGE
- ±150 ~ ±1500mA
- RATED POWER
- 15W
- RIPPLE & NOISE (max.)Note.2
- 50mVp-p
- LINE REGULATIONNote.3
- ±0.2%
- LOAD REGULATIONNote.4
- ±0.5%
- VOLTAGE ACCURACY
- ±2.0%
- SWITCHING FREQUENCY
- 150KHz min.
- EXTERNAL CAPACITANCE LOAD (max.)
- 1200uF
INPUT
- VOLTAGE RANGE
- 18 ~ 36VDC
- EFFICIENCY (Typ.)
- 80%
- DC CURRENT Full load
- 800mA
- DC CURRENT No load
- 30mA
- FILTER
- Pi network
- PROTECTION
- Fuse recommended
PROTECTION (Note. 5)
- OVER CURRENT
- 110% ~ 250% 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
ENVIRONMENT
- WORKING TEMP.
- -40 ~ +71℃ (Refer to "Derating Curve")
- WORKING HUMIDITY
- 20% ~ 90% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -40 ~ +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 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
- 300Khrs min. MIL-HDBK-217F (25℃)
- DIMENSION
- 50.8*25.4*11.27mm 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 DKA15B-05 for a 5V industrial controller powered from an 18-36VDC source?
Yes. This model is rated for 18-36VDC input and provides a regulated ±5V dual output with a 15W power rating. That makes it a reasonable fit for low-power controller, sensor-interface, or logic sections that need a regulated 5V rail from that DC input window.
Is the DKA15B-05 suitable for embedded logic or microcontroller subsystems inside automation equipment?
It can be a good fit for embedded electronics because it provides ±5V output and is physically compact at 50.8 × 25.4 × 11.27 mm. The low 31.2 g weight also helps in dense or lightweight assemblies. Its 15W class is appropriate for auxiliary embedded loads rather than larger power stages.
Can this converter be used for a 24V-class control cabinet that needs a regulated 5V auxiliary rail?
It is designed for 18-36VDC input, so it aligns with 24V-class DC systems that need a 5V output. The converter provides a regulated output, which is generally what low-voltage digital and control electronics expect. Buyers should still confirm the load stays within the listed 15W output capability (up to 1500mA per output).
Would the DKA15B-05 work for IT or communications electronics that need compact 5V power conversion?
Yes, for low-power subassemblies that fall inside the 18-36VDC input range and need ±5V output. CE and FCC approvals are listed, which can matter for IT and communications equipment documentation. The compact package is also useful where board area is limited.
How does DKA15B-05 differ from DKA15B-12 and DKA15B-15?
These three B-series siblings are all 15W models with the same family format. The difference is the output: ±5V at up to 1500mA for DKA15B-05, ±12V at up to 625mA for DKA15B-12, and ±15V at up to 500mA for DKA15B-15. The series is grouped around output-voltage choice rather than power-class changes.
Can the DKA15B-05 be used outdoors or in cold industrial environments?
The operating temperature range is -40°C to +71°C, which supports use in both cold and hot equipment environments. However, no IP rating is listed, so the specs do not establish outdoor exposure resistance. Environmental suitability beyond temperature should therefore be handled by the enclosure or full system design.
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