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Mean Well

Mean Well DKE15B-12 DC-DC Converter - 15W - 18~36V in ±12V out 625mA

SKU DKE15B-12
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Overview

DKE15B-12 is the ±12V output model of this series: rated power 15W, typical efficiency 83%.

Features

  • 2:1 wide input range
  • 4:1 wide input range(optionl)
  • 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

DKE15B-12Specifications from the official datasheet (2024-08-02 edition)

OUTPUT

DC VOLTAGE
±12V
CURRENT RANGE
±62.5 ~ ±625mA
RATED POWER
15W
RIPPLE & NOISE (max.)Note.2
60mVp-p
LINE REGULATIONNote.3
±0.3%
LOAD REGULATIONNote.4
±0.5%
VOLTAGE ACCURACY
±2.0%
SWITCHING FREQUENCY
150KHz min.

INPUT

VOLTAGE RANGE
18~36VDC
EFFICIENCY (Typ.)
83%
DC CURRENT Full load
800mA
DC CURRENT No load
20mA
FILTER
Pi network
PROTECTION
Fuse recommended

PROTECTION (Note. 5)

OVER CURRENT
160% ~ 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.
-25~+71℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-25 ~ +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*50.8*11.0mm or 2"*2"*0.43" inch (L*W*H)
PACKING
60g ; 5pcs/per tube, 200pcs/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

DKE15B-12 Mechanical Specification
Mechanical Specification
DKE15B-12 Packing
Packing

Downloads

FAQ

Can I use the DKE15B-12 for industrial control electronics that need ±12V from an 18-36VDC input?

Yes, this model is intended for systems with a 18-36VDC input and a ±12V constant-voltage output. Its 15W rating suits low-power control, interface, and conditioning electronics rather than higher-power equipment.

Is the DKE15B-12 suitable for embedded analog boards powered from a wider input range?

It can be a fit for embedded analog or mixed-signal boards that need ±12V and operate within the 15W limit. The 18-36VDC input range is the main difference from the 9-18VDC (DKE15A) and 36-72VDC (DKE15C) variants.

Would the DKE15B-12 work in automation signal-processing modules?

Yes, it is suitable for low-power automation signal-processing or interface modules that require a ±12V constant-voltage output. The application also needs an available input within the stated 18-36VDC range.

Can this converter support low-power telecom or monitoring electronics with split ±12V rails?

It can be used for low-power telecom, monitoring, or control electronics that require ±12V and stay inside the 15W rating. The compact 50.8 × 50.8 × 11.0 mm package helps in space-constrained equipment.

Is the DKE15B-12 rated for indoor or outdoor use?

The operating temperature is specified as -25°C to +71°C (with load derating per the derating curve), so temperature limits are clearly stated. No IP rating appears in the provided specifications, so exposed outdoor suitability is not established here.

What are the differences between the DKE15B-12 and its sibling models?

All DKE15B models shown here share a 15W rating and an 18-36VDC input range. The sibling outputs are DKE15B-05 at ±5V and up to ±1500mA, DKE15B-12 at ±12V and up to ±625mA, DKE15B-15 at ±15V and up to ±500mA, and DKE15B-24 at ±24V and up to ±313mA.

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Mean Well DKE15B-12 DC-DC Converter - 15W - 18~36V in ±12V out 625mA
Mean Well

Mean Well DKE15B-12 DC-DC Converter - 15W - 18~36V in ±12V out 625mA

Log in to see price

DKE15B-12 is the ±12V output model of this series: rated power 15W, typical efficiency 83%.

Features

  • 2:1 wide input range
  • 4:1 wide input range(optionl)
  • 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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