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Mean Well

Mean Well DKA15B-15 DC-DC Converter - 15W - 18~36V in ±15V out 500mA

SKU DKA15B-15
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Overview

DKA15B-15 is the ±15V 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

DKA15B-15Specifications from the official datasheet (2024-08-02 edition)

OUTPUT

DC VOLTAGE
±15V
CURRENT RANGE
±50 ~ ±500mA
RATED POWER
15W
RIPPLE & NOISE (max.)Note.2
60mVp-p
LINE REGULATIONNote.3
±0.2%
LOAD REGULATIONNote.4
±0.5%
VOLTAGE ACCURACY
±2.0%
SWITCHING FREQUENCY
150KHz min.
EXTERNAL CAPACITANCE LOAD (max.)
680uF

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. 1.All parameters are specified at normal input, rated load, 25℃ 70% RH ambient.
  2. 2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uf & 47uf capacitor.
  3. 3.Line regulation is measured from low line to high line at rated load.
  4. 4.Load regulation is measured from 10% to 100% rated load.
  5. 5.Please prevent the converter from operating in overload or short circuit condition for more than 30 seconds.

Technical drawings

DKA15B-15 Mechanical Specification
Mechanical Specification
DKA15B-15 Packing
Packing

Downloads

FAQ

Can I use the DKA15B-15 for industrial analog electronics that need ±15V rails from 18-36VDC?

Yes. The product provides a regulated ±15V dual output, and the unit is rated for 18-36VDC input with a 15W output rating. That makes it relevant for low-power industrial analog, signal-processing, or measurement circuits that require dual 15V rails.

Is the DKA15B-15 suitable for instrumentation or test equipment installed in a compact housing?

It is a compact option at 50.8 × 25.4 × 11.27 mm and weighs 31.2 g, which helps in space-constrained instrumentation or service modules. The 15W output class is appropriate for auxiliary power sections rather than high-load systems. That combination fits many embedded test and monitoring assemblies.

Can this converter be used in automation systems that have an 18-36VDC source and need regulated 15V output?

Yes, provided the application requires the 15V version and remains within the listed 15W rating (up to 500mA per output). The regulated output suits electronics that depend on a stable supply rail. Its input range is specifically matched to 18-36VDC systems.

Would DKA15B-15 make sense for telecom or IT subassemblies that use an 18-36VDC input?

It can fit those designs when the subsystem uses 18-36VDC input and needs a compact 15W regulated converter. CE and FCC approvals are listed, which can be important for electronic equipment qualification. The small mechanical footprint is also useful in tightly packed technical assemblies.

How does DKA15B-15 compare with the other DKA15B models?

All three DKA15B siblings are rated at 15W. The output options are ±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 shared series is differentiated by output choice rather than size or temperature class in the provided specs.

Can the DKA15B-15 be used outdoors or in hot and cold equipment spaces?

The published operating temperature is -40°C to +71°C, with output derating at higher temperatures per the derating curve, which supports use across a wide industrial temperature span. However, no IP rating is shown in the product specs, so the data does not verify direct outdoor use or moisture resistance. Environmental protection would need to come from the host enclosure or overall system design.

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Mean Well DKA15B-15 DC-DC Converter - 15W - 18~36V in ±15V out 500mA
Mean Well

Mean Well DKA15B-15 DC-DC Converter - 15W - 18~36V in ±15V out 500mA

Log in to see price

DKA15B-15 is the ±15V 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
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