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Mean Well

Mean Well SKA40C-12 DC-DC Converter - 35W - 36~75V in 12V out 3.33A

SKU SKA40C-12
$47.46 USD
Shipping calculated at checkout.
In stock
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Overview

SKA40C-12 is the 12V output model of this series: rated power 40W, typical efficiency 88.5%.

Features

  • 2:1 wide input range
  • High efficiency up to 92%
  • 1500VDC I/O isolation
  • Built-in EMI filter
  • Built-in remote ON / OFF control
  • Built-in remote sense
  • Trimming output ±10%
  • Protections: Short circuit / Overload / Over voltage
  • Cooling by free air convection
  • Six-sided shield metal case
  • 100% burn-in test
  • Low cost / High reliability
  • Output 3.3V/9V available
  • Approvals: FCC / EAC / CE / UKCA
  • 2 years warranty

Specifications

SKA40C-12Specifications from the official datasheet (2024-08-02 edition)

OUTPUT

DC VOLTAGE
12V
CURRENT RANGE
0.3 ~ 3.33A
RATED POWER
40W
RIPPLE & NOISE (max.)Note.2
80mVp-p
LINE REGULATIONNote.3
±0.5%
LOAD REGULATIONNote.4
±0.5%
VOLTAGE ACCURACY
±2.0%
SWITCHING FREQUENCY
200KHz min.
EXTERNAL CAPACITANCE LOAD (max.)
1000uF
EXTERNAL TRIM Adj. RANGE(Typ.)
±10%

INPUT

VOLTAGE RANGE
36 ~ 75VDC
EFFICIENCY (Typ.)
88.5%
DC CURRENT Full load
1000mA
DC CURRENT No load
65mA
FILTER
Pi network
REMOTE CONTROL
Power ON : R.C ~ -Vin > 2.5V ~ 75VDC or open circuit ; Power OFF : R.C ~ -Vin < 0.5VDC or short
PROTECTION
Fuse recommended

PROTECTION (Note. 5)

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
5Vo : 7V ~ 8.95V ; 12Vo : 15V ~ 19.2V ; 15Vo : 18V ~ 23.3V Protection type : Clamp by TVS diode

ENVIRONMENT

WORKING TEMP.
-40 ~ +80℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-55 ~ +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 (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

DIMENSION
50.8*50.8*11.0 mm or 2"*2"*0.43" inch (L*W*H)
PACKING
50g ; 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

SKA40C-12 Mechanical Specification
Mechanical Specification
SKA40C-12 Packing
Packing

Downloads

FAQ

Can I use the SKA40C-12 for 12V industrial control or automation devices?

Yes, it provides a constant 12V output and is rated for 35W with up to 3.33A output current. It is a fit for 12V automation, control, and embedded loads that remain within those limits.

Is the SKA40C-12 suitable for 12V embedded systems fed from a 36-75VAC source?

It is designed for a 36-75VAC input range and converts that to a constant 12V output. For embedded systems needing 12V, the available output is up to 35W and 3.33A.

Can this model support 12V monitoring, access, or alarm electronics in industrial equipment?

It can support 12V monitoring or control electronics when the total load does not exceed 35W or 3.33A. The constant-voltage output is intended for equipment that requires a stable 12V rail.

Would the SKA40C-12 be practical for compact machine-mounted electronics?

Its size is 50.8 × 50.8 × 11.0 mm and its weight is 0.06 kg, so it is suited to compact assemblies. Those physical specs can be useful where control hardware space is limited.

How well does the SKA40C-12 handle demanding ambient temperatures?

The specified operating temperature range is -40°C to +80°C. That range supports use in protected industrial environments with significant temperature variation.

Can I place the SKA40C-12 in an outdoor enclosure?

The product specs provide a -40°C to +80°C operating temperature range, but they do not list an IP rating. That means the temperature capability is stated, but exposed outdoor suitability is not established by the provided specs.

What are the output differences between the SKA40C-12 and the other SKA40C models?

All listed SKA40C models are rated at 35W. The SKA40C-05 outputs 5V at 7A, the SKA40C-12 outputs 12V at 3.33A, and the SKA40C-15 outputs 15V at 2.67A.

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Mean Well SKA40C-12 DC-DC Converter - 35W - 36~75V in 12V out 3.33A
Mean Well

Mean Well SKA40C-12 DC-DC Converter - 35W - 36~75V in 12V out 3.33A

$47.46 USD

SKA40C-12 is the 12V output model of this series: rated power 40W, typical efficiency 88.5%.

Features

  • 2:1 wide input range
  • High efficiency up to 92%
  • 1500VDC I/O isolation
  • Built-in EMI filter
  • Built-in remote ON / OFF control
  • Built-in remote sense
  • Trimming output ±10%
  • Protections: Short circuit / Overload / Over voltage
  • Cooling by free air convection
  • Six-sided shield metal case
  • 100% burn-in test
  • Low cost / High reliability
  • Output 3.3V/9V available
  • Approvals: FCC / EAC / CE / UKCA
  • 2 years warranty
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