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Mean Well

Mean Well SKA20C-05 DC-DC Converter - 20W - 36~75V in 5V out 4A

SKU SKA20C-05
$30.13 USD
Shipping calculated at checkout.
In stock
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Overview

SKA20C-05 is the 5V output model of this series: rated power 20W, typical efficiency 88.5%.

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

SKA20C-05Specifications from the official datasheet (2024-08-02 edition)

OUTPUT

DC VOLTAGE
5V
CURRENT RANGE
400 ~ 4000mA
RATED POWER
20W
RIPPLE & NOISE (max.)Note.2
50mVp-p
LINE REGULATIONNote.3
±0.2%
LOAD REGULATIONNote.4
±0.5%
VOLTAGE ACCURACY
±2.0%
SWITCHING FREQUENCY
300KHz typ.
EXTERNAL CAPACITANCE LOAD (max.)
1000uF
EXTERNAL TRIM Adj. RANGE(Typ.)
±10%

INPUT

VOLTAGE RANGE
36 ~ 75VDC
EFFICIENCY (Typ.)
88.5%
DC CURRENT Full load
490mA
DC CURRENT No load
40mA
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
>80 ~ 82VDC input voltage Output Protection type : Shut down o/p voltage, recovers automatically after fault condition is removed

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

SKA20C-05 Mechanical Specification
Mechanical Specification
SKA20C-05 Packing
Packing

Downloads

FAQ

Can I use the SKA20C-05 to power 5V embedded or industrial electronics from a 36-75VAC source?

Yes, this converter is designed for 36-75VAC input and provides a constant 5V output. It supports 5V loads up to 4A, with a 20W maximum output rating.

Is the SKA20C-05 a fit for 5V automation modules on higher-voltage AC systems?

It can be a fit when the available source is within 36-75VAC and the equipment needs a regulated 5V output. The load must stay within 4A output current and 20W total power.

Can this model be used for 5V communication or control electronics in industrial equipment?

It is suitable for 5V constant-voltage applications where the upstream input is 36-75VAC. For compatibility, the downstream electronics need to operate at 5V and draw no more than 4A.

Is the SKA20C-05 suitable for outdoor installations or wide-temperature operation?

The unit is rated for operation from -40°C to +85°C, so it is specified for a broad temperature range. No IP rating is listed in the supplied specs, so the product data does not define it as outdoor-rated or protected against weather exposure.

What are the differences between SKA20C-05 and the other SKA20C models?

All SKA20C siblings share 20W power, 36-75VAC input, dimensions of 50.8 × 25.4 × 11.2 mm, weight of 0.0312 kg, and an operating range of -40°C to +85°C. Their outputs differ: SKA20C-05 is 5V at 4A, SKA20C-12 is 12V at 1.66A, and SKA20C-15 is 15V at 1.33A.

Payment & Security

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Mean Well SKA20C-05 DC-DC Converter - 20W - 36~75V in 5V out 4A
Mean Well

Mean Well SKA20C-05 DC-DC Converter - 20W - 36~75V in 5V out 4A

$30.13 USD

SKA20C-05 is the 5V output model of this series: rated power 20W, typical efficiency 88.5%.

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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