Over 15 years experience of providing support of MEAN WELL Power Supplies
Mean Well TKA30B-B DC-DC Converter - 25W - 18~36V in ±12V out
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TKA30B-B is the +5V / ±12V output model of this series: rated power 25W, typical efficiency 82%.
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
- ±1.0%
- LOAD REGULATIONNote.4
- +5V: ±2.0%, ±V1: ±5.0%
- VOLTAGE ACCURACY
- +5V: ±2.0%, ±V1: ±5.0%
- SWITCHING FREQUENCY
- 100KHz min.
INPUT
- VOLTAGE RANGE
- 18~36VDC
- EFFICIENCY (Typ.)
- 82%
- DC CURRENT Full load
- 1.27A
- DC CURRENT No load
- 18mA
- 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 TKA30B-B in a 24V-class industrial AC system that needs 12V output for control electronics?
Yes, the published input range is 18-36VAC, which fits 24V-class AC systems within that range. The output is listed as 12V constant voltage with a 25W power rating.
Is the TKA30B-B suitable for embedded or automation devices that require 12V power from an 18-36VAC source?
It is designed for 18-36VAC input and 12V output operation in constant-voltage mode. The product is rated at 25W, so the connected embedded or automation load needs to stay within that published power limit.
Can this converter be used for 12V interface or signal-conditioning hardware in industrial equipment?
It can be considered where the available source is 18-36VAC and the downstream hardware uses 12V constant voltage. The provided specifications list 25W power and a published output current of 310A.
Would the TKA30B-B make sense for compact 12V power conversion inside automation assemblies?
Its listed dimensions are 50.8 x 50.8 x 21.0 mm and the weight is 0.11 kg, which supports use in compact assemblies. The electrical spec is 18-36VAC input with 12V constant-voltage output at 25W.
Is the TKA30B-B rated for outdoor environments or only temperature extremes?
The published operating temperature range is -40°C to +85°C, so the unit is specified for a wide temperature span. No IP rating is provided in the specs, so outdoor or water-exposed suitability is not established by the listed data.
How does TKA30B-B differ from TKA30B-C?
The provided sibling specs show both models at 25W with 18-36VAC input, 12V output, and the same 50.8 x 50.8 x 21.0 mm dimensions. The published difference is output current: TKA30B-B is listed at 310A, while TKA30B-C is listed at 250A.
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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 TKA30A-C DC-DC Converter - 25W - 9~18V in 5V out | 25W | 5V | 3.5A | IP20 | View |
| Mean Well TKA30A-B DC-DC Converter - 25W - 9~18V in 5V out | 25W | 5V | 3.5A | IP20 | View |
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