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Mean Well TKA30A-B DC-DC Converter - 25W - 9~18V in 5V out
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TKA30A-B is the +5V / ±12V output model of this series: rated power 25W, typical efficiency 80%.
Features
- 2:1 wide input range
- 4:1 wide input range(option)
- 1500VDC I/O isolation
- Built-in EMI filter
- 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
- +5V / ±12V
- CURRENT RANGE
- 700 ~ 3500mA / ±62 ~ ±310mA
- RATED POWER
- 25W
- RIPPLE & NOISE (max.)Note.2
- 100mVp-p
- LINE REGULATIONNote.3
- ±0.5%
- LOAD REGULATIONNote.4
- +5V: ±2.0%, ±V1: ±5.0%
- VOLTAGE ACCURACY
- +5V: ±2.0%, ±V1: ±5.0%
- SWITCHING FREQUENCY
- 100KHz min.
INPUT
- VOLTAGE RANGE
- A: 9 ~ 18VDC B: 18~36VDC C: 36~72VDC
- EFFICIENCY (Typ.)
- 80%
- DC CURRENT Full load
- A: 2.61A B: 1.27A C: 0.64A
- DC CURRENT No load
- A: 40mA B: 18mA 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 B, FCC part 15 Class B , 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 20% 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 TKA30A-B to power a 5V industrial controller from a 12V AC source?
Yes, this converter is specified for 9-18VAC input and provides a constant 5V output. Its 25W rating and 3.5A output make it suitable for 5V control electronics that stay within those published limits.
Is the TKA30A-B a fit for embedded or automation devices that need regulated 5V in a low-voltage AC system?
It is intended for applications that need constant-voltage 5V output from a 9-18VAC source. With 25W available and up to 3.5A output current, it fits 5V embedded or automation loads that match those specs.
Can this model support 5V sensors or interface boards in industrial equipment?
It can be used where the equipment provides 9-18VAC input and the downstream electronics require constant 5V. The published output limit is 3.5A with 25W total power, so the connected sensor or interface load needs to remain within that range.
Would the TKA30A-B work for compact 5V electronics inside automation cabinets with limited space?
The listed dimensions are 50.8 x 50.8 x 21.0 mm and the weight is 0.11 kg, so it is a compact unit for enclosure-based electronics. It is designed to deliver constant 5V output from 9-18VAC input within its 25W rating.
Is the TKA30A-B suitable for outdoor or harsh-temperature use?
The published operating temperature range is -40°C to +85°C, which supports use across a wide temperature span. However, no IP rating is listed in the provided specs, so the product data does not establish outdoor or washdown suitability on its own.
How does TKA30A-B compare with TKA30A-C?
Based on the provided sibling specs, both models are listed at 25W with 5V output, 3.5A output current, and 9-18VAC input. The dimensions are also the same at 50.8 x 50.8 x 21.0 mm, so the published electrical specs do not show a performance difference between them.
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Other TKA30 Models
5 other models| Model | Power | Voltage | Current | IP Rating | |
|---|---|---|---|---|---|
| Mean Well TKA30C-C DC-DC Converter - 25W - 36~72V in ±12V out | 25W | 12V | 250 Milliampere | IP20 | View |
| Mean Well TKA30C-B DC-DC Converter - 25W - 36~72V in ±12V out | 25W | 12V | 310 Milliampere | IP20 | View |
| Mean Well TKA30B-C DC-DC Converter - 25W - 18~36V in ±12V out | 25W | 12V | 250 Milliampere | IP20 | View |
| Mean Well TKA30B-B DC-DC Converter - 25W - 18~36V in ±12V out | 25W | 12V | 310 Milliampere | IP20 | View |
| Mean Well TKA30A-C DC-DC Converter - 25W - 9~18V in 5V out | 25W | 5V | 3.5A | IP20 | View |
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