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Mean Well DKA30B-12 DC-DC Converter - 30W - 18~36V in ±12V out 1.25A
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DKA30B-12 is the ±12V output model of this series: rated power 30W, typical efficiency 83%.
Features
- 2:1 wide input range
- 4:1 wide input range(option)
- 1500VDC I/O isolation
- Built-in EMI filter
- Trimming output(±10%)
- Remote ON-OFF control
- Protections: Short circuit / Overload
- Cooling by free air convection
- Six-sided shield metal case
- Epoxy encapsulated
- 100% burn-in test
- Approvals: FCC / EAC / CE / UKCA
- 2 years warranty
Specifications
OUTPUT
- DC VOLTAGE
- ±12V
- CURRENT RANGE
- ±125 ~ ±1250mA
- RATED POWER
- 30W
- RIPPLE & NOISE (max.)Note.2
- 100mVp-p
- LINE REGULATIONNote.3
- ±0.5%
- LOAD REGULATIONNote.4
- ±0.5%
- VOLTAGE ACCURACY
- ±2.0%
- SWITCHING FREQUENCY
- 100KHz min.
- EXTERNAL TRIM Adj. RANGE
- ±10%
INPUT
- VOLTAGE RANGE
- 18 ~ 36VDC
- EFFICIENCY (Typ.)
- 83%
- DC CURRENT
- Full load A: 3.2A B: 1.5A C: 0.77A No load A: 40mA B: 20mA C: 10mA
- FILTER
- Pi network
- PROTECTION
- Fuse recommended
PROTECTION (Note. 5)
- OVERLOAD
- 110 ~ 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.
- -40 ~ +85℃ (Refer to "Derating Curve")
- WORKING HUMIDITY
- 20% ~ 90% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -40 ~ +105℃, 10 ~ 95% RH
- TEMP. COEFFICIENT
- ±0.03% / ℃(0 ~ 50℃)
- VIBRATION
- 10 ~ 500Hz, 2G 10min./1 cycle, 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
- REMOTE CONTROL
- Power on: R.C ~-Vin > 4.5~5.5VDC or open, Power off : R.C~ -Vin <0.8VDC or short
- MTBF
- 100Khrs min. MIL-HDBK-217F (25℃)
- DIMENSION
- 50.8*50.8*21.0mm or 2"*2"*0.82" inch (L*W*H)
- PACKING
- 110g ; 5pcs/per tube, 140pcs/28 tube/per carton
Test conditions and notes5
- 1.All parameters are specified at normal input, rated load, 25℃ 70% RH ambient.
- 2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uf & 47uf 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.Please prevent the converter from operating in overload or short circuit condition for more than 30 seconds.
Technical drawings
Downloads
FAQ
Can I use the DKA30B-12 for 12V industrial control and automation electronics?
Yes, this converter is suited to automation electronics that need a regulated 12V supply. It provides a dual ±12V output at up to 1.25A per rail with a 30W rating and accepts 18-36VDC input.
Is the DKA30B-12 a fit for embedded systems or instrumentation that run on 12V?
It can be used where the embedded or instrumentation load is designed for a regulated 12V rail. The unit is rated for 30W total and up to 1.25A per rail, so the connected electronics need to remain within those limits.
Can this model power 12V interface modules inside industrial cabinets with an 18-36VDC source?
Yes, if the cabinet has 18-36VDC available and the module requires a regulated ±12V output. Its compact 50.8 × 50.8 × 21.0 mm size also makes it practical where board or enclosure space is limited.
Is the DKA30B-12 suitable for outdoor equipment or only indoor enclosures?
The listed operating temperature range is -40°C to +85°C (with output derating at high temperatures, see the derating curve), so the temperature spec supports demanding industrial environments. However, no IP rating is provided, so the specs do not state outdoor suitability or resistance to dust and water exposure.
How does the DKA30B-12 compare with the other DKA30B versions?
In this series, the DKA30B-05 is 25W with ±5V output at up to 2.5A per rail, the DKA30B-12 is 30W with ±12V output at up to 1.25A per rail, and the DKA30B-15 is 30W with ±15V output at up to 1A per rail. All are dual-output DKA30B models with the same 18-36VDC input range.
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Other DKA30 Models
8 other models| Model | Power | Voltage | Current | IP Rating | |
|---|---|---|---|---|---|
| Mean Well DKA30C-15 DC-DC Converter - 30W - 36~72V in ±15V out 1A | 30W | 15V | 1A | IP20 | View |
| Mean Well DKA30C-12 DC-DC Converter - 30W - 36~72V in ±12V out 1.25A | 30W | 12V | 1.25A | IP20 | View |
| Mean Well DKA30C-05 DC-DC Converter - 25W - 36~72V in ±5V out 2.5A | 25W | 5V | 2.5A | IP20 | View |
| Mean Well DKA30B-15 DC-DC Converter - 30W - 18~36V in ±15V out 1A | 30W | 15V | 1A | IP20 | View |
| Mean Well DKA30B-05 DC-DC Converter - 25W - 18~36V in ±5V out 2.5A | 25W | 5V | 2.5A | IP20 | View |
| Mean Well DKA30A-15 DC-DC Converter - 30W - 9~18V in ±15V out 1A | 30W | 15V | 1A | IP20 | View |
| Mean Well DKA30A-12 DC-DC Converter - 30W - 9~18V in ±12V out 1.25A | 30W | 12V | 1.25A | IP20 | View |
| Mean Well DKA30A-05 DC-DC Converter - 25W - 9~18V in ±5V out 2.5A | 25W | 5V | 2.5A | IP20 | View |
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