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Mean Well

Mean Well SKA20A-15 DC-DC Converter - 20W - 9~18V in 15V out 1.33A

SKU SKA20A-15
$30.13 USD
Shipping calculated at checkout.
In stock
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Overview

SKA20A-15 is the 15V output model of this series: rated power 20W, typical efficiency 89%.

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

SKA20A-15Specifications from the official datasheet (2024-08-02 edition)

OUTPUT

DC VOLTAGE
15V
CURRENT RANGE
133 ~ 1333mA
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.)
100uF
EXTERNAL TRIM Adj. RANGE(Typ.)
-20 ~ +10%

INPUT

VOLTAGE RANGE
9 ~ 18VDC
EFFICIENCY (Typ.)
89%
DC CURRENT Full load
1870mA
DC CURRENT No load
35mA
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
>20 ~ 23VDC

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. 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

SKA20A-15 Mechanical Specification
Mechanical Specification
SKA20A-15 Packing
Packing

Downloads

FAQ

Can I use the SKA20A-15 for a 15V industrial control circuit from a 9-18VAC source?

Yes, if the input source is within 9-18VAC and the load needs constant 15V output. The converter is rated for 20W total and up to 1.33A, so it fits smaller 15V control circuits within those limits.

Is this model suitable for 15V embedded or analog electronics in automation equipment?

It can be used for 15V constant-voltage electronics when the total current stays at or below 1.33A. That makes it a fit for lower-power embedded or analog sections that need a regulated 15V rail.

Would the SKA20A-15 work for 15V instrumentation or interface modules inside a panel?

Yes, for panel-mounted instrumentation or interface modules that need 15V constant voltage and stay within 20W output. The compact 50.8 × 25.4 × 11.2 mm size also helps in tighter cabinet layouts.

Can this converter be used for a small 15V communications or monitoring subsystem?

It is suitable for smaller 15V subsystems as long as the total load remains within 1.33A and 20W. The unit also weighs 0.0312 kg, which supports compact low-mass assemblies.

Is the SKA20A-15 appropriate for outdoor installations or only controlled enclosures?

The operating temperature range is -40°C to +85°C, so the listed thermal range is broad. However, no IP rating appears in the provided specs, so it should not be described from this data alone as an outdoor-rated or sealed model.

Payment & Security

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Mean Well SKA20A-15 DC-DC Converter - 20W - 9~18V in 15V out 1.33A
Mean Well

Mean Well SKA20A-15 DC-DC Converter - 20W - 9~18V in 15V out 1.33A

$30.13 USD

SKA20A-15 is the 15V output model of this series: rated power 20W, typical efficiency 89%.

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
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