Over 15 years experience of providing support of MEAN WELL Power Supplies
Overview
SKM10B-12 is the 12V output model of this series: rated power 10W, typical efficiency 88%.
SKM10 and DKM10 series are 10W isolated and regulated module type DC-DC converter with DIP 1"x1" package. It features international standard pins, a high efficiency up to 90%, wide working temperature range -40~+85℃, 1.5KVDC I/P-O/P isolation voltage, Compliance to BS EN/EN55032 radiated Class A without additional components , continuous-mode short circuit protection, etc. The models account for different input voltage 4.7~9V, 9~18V, 18~36V and 36~75V 2:1 wide input range, and various output voltage, 3.3V/5V/12V/15V for single output and ±5V/±12V/±15V for dual outputs, which are suitable for all kinds of systems, such as industrial control, telecommunication field, distributed power architecture, and so on.
Features
- DIP 1"x1" package with industry standard pinout
- 2:1 wide input range
- Operating temperature range -40 ~ +85℃
- No minimum load required
- Comply to BS EN/EN55032 radiated Class A without additional components
- High efficiency up to 90%
- Protections: Short circuit (Continuous) / Overload / Over voltage / Input under voltage
- 1.5KVDC I/O isolation
- Remote ON/OFF control and Triming output (±10%)
- 3 years warranty
Specifications
MODEL SELECTION TABLE
- INPUT VOLTAGE (RANGE)
- 24V (18 ~ 36V)
- INPUT CURRENT NO LOAD
- 25mA
- INPUT CURRENT FULL LOAD
- 478mA
- OUTPUT VOLTAGE
- 12V
- OUTPUT CURRENT
- 833mA
- EFFICIENCY (Typ.)
- 88%
- CAPACITOR LOAD (MAX.)* For each output
- 940μF
INPUT
- VOLTAGE RANGE
- 18~36Vdc ,
- SURGE VOLTAGE (100ms max.)
- 5Vin models : 12Vdc, 12Vin models : 25Vdc, 24Vin models : 50Vdc, 48Vin models : 100Vdc
- FILTER
- Pi type
- PROTECTION
- Fuse recommended. 5Vin models: 5A delay time Type, 12Vin models: 4A delay time Type, 24Vin models: 2A delay time Type, 48Vin models: 1A delay time Type
- INTERNAL POWER DISSIPATION
- 500mW
OUTPUT
- VOLTAGE ACCURACY
- ±1.5%
- RATED POWER
- 10W
- RIPPLE & NOISENote.2
- 50mVp-p
- LINE REGULATIONNote.3
- ±0.2%
- LOAD REGULATIONNote.4
- Single output models: ±0.2%, Dual output models:±1%
- SWITCHING FREQUENCY (Typ.)
- 350KHz
- EXTERNAL TRIM ADJ. RANGE (Typ.)
- ±10% (Single output model only)
PROTECTION
- SHORT CIRCUIT
- Protection type : Continuous, automatic recovery
- OVERLOAD
- 110 ~ 140% rated output power Protection type : Recovers automatically after fault condition is removed
- OVER VOLTAGE
- Protection type : Clamp by diode
- UNDER VOLTAGE LOCKOUT Start-up voltage
- 5Vin: 4.4Vdc, 12Vin: 8.8Vdc, 24Vin: 17Vdc, 48Vin: 34Vdc
- UNDER VOLTAGE LOCKOUT Shutdown voltage
- 5Vin: 4.2Vdc, 12Vin: 8Vdc, 24Vin: 16Vdc, 48Vin: 32Vdc
FUNCTION
- REMOTE CONTROL
- Power ON: R.C. ~ -Vin >5.5~75Vdc or open circuit ; Power OFF: R.C. ~ -Vin <1.2Vdc or short
ENVIRONMENT
- COOLING
- Free-air convection
- WORKING TEMP.
- -40 ~ +85℃ (Refer to "Derating Curve")
- CASE TEMPERATURE
- +105℃ max.
- WORKING HUMIDITY
- 20% ~ 90% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -55 ~ +125℃, 10 ~ 95% RH non-condensing
- TEMP. COEFFICIENT
- 0.03% / ℃ (0 ~ 71℃)
- SOLDERING TEMPERATURE
- 1.5mm from case of 1 ~ 3sec./260℃ max.
- VIBRATION
- 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes
SAFETY & EMC ( Note.5)
- 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
- ISOLATION CAPACITANCE (Typ.)
- 1000pF
- EMC EMISSION
-
Parameter Standard Test Level Conducted BS EN/EN55032(CISPR32) N/A Radiated BS EN/EN55032(CISPR32) Class A - EMC IMMUNITY
-
Parameter Standard Test Level ESD BS EN/EN61000-4-2 Level 2, ±8KV air, ±4KV contact Radiated Susceptibility BS EN/EN61000-4-3 Level 2, 3V/m EFT/Bursts BS EN/EN61000-4-4 Level 1, 0.5KV Surge BS EN/EN61000-4-5 Level 1, 0.5KV Line-Line Conducted BS EN/EN61000-4-6 Level 2, 3V(e.m.f.) Magnetic Field BS EN/EN61000-4-8 Level 2, 3A/m
OTHERS
- MTBF
- 1200Khrs MIL-HDBK-217F(25℃)
- DIMENSION (L*W*H)
- 25.4*25.4*10.2mm (1*1*0.4 inch)
- CASE MATERIAL
- Black coated copper with Non-Conductive Base
- PACKING
- 18.3g ; 12pcs/per tube, 600pcs/50 tube/per carton
Test conditions and notes5
- 1.All parameters are specified at normal input(E:5Vdc, A:12Vdc, B:24Vdc, C:48Vdc), rated load, 25℃ 70% RH ambient.
- 2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1μf & 47μf capacitor.
- 3.Line regulation is measured from low line to high line at rated load.
- 4.Load regulation is measured from 10% to 100% rated load.
- 5.The final equipment must be re-confirm that it still meet EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.”(as available on http://www.meanwell.com)
Technical drawings
Typical applications
- Telecom/ datacom system
- Wireless network
- Industrial control facility
- Instrument
- Analyzer
- Detector
- Data switch
Downloads
FAQ
Can I use the SKM10B-12 in a 12V automation subsystem powered from 18-36VDC?
Yes, this converter is specified for 18-36VDC input and delivers a constant 12V output. Its 10W rating makes it appropriate for low-power 12V automation subsystems that fit within that power level.
Is the SKM10B-12 suitable for compact embedded or industrial electronics that need regulated 12V?
Its compact dimensions of 25.4 × 25.4 × 10.2 mm and low weight of 0.018 kg help when available space is limited. The unit provides constant-voltage 12V output for designs that remain within the 10W specification.
Can this model handle use in equipment exposed to wide temperature swings?
The operating temperature range is -40°C to +85°C, so it is specified for broad-temperature operation. That supports use in industrial or embedded equipment deployed in varying ambient conditions, as long as the electrical limits are also respected.
Can the SKM10B-12 be used outdoors?
The temperature specification of -40°C to +85°C supports a wide ambient range, but no IP rating is provided. Since protection against dust and water ingress is not stated, it is better suited to protected indoor or enclosure-mounted use.
How does the SKM10B-12 compare with the other SKM10B output versions?
All listed SKM10B variants are 10W converters in the same family, with different output ratings. The siblings shown are 3.3V at 2.5A, 5V at 2A, 12V at 833mA, and 15V at 666mA.
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