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Polytron TWRB10 Series DC-DC Converters, 10 Watt, Single and Dual Output, 1.25” x 0.80” x 0.40”
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Price (Each): Call or e-mail for quotes or to order.
Available to Order
Item Number: TWRB10
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DC-DC Converters For Railway Applications
TWRB10 Series isolated 4:1 wide input range 10-watt single- and dual-output DC-DC converters are housed in a miniature 1.25” x 0.80” x 0.40” DIP package to fit tight spaces in railway applications. The series offers high efficiency up to 83 percent, 1500V DC isolation voltage, 100 percent burn-in for reliability and remote ON/OFF control for energy savings. These RoHS-compliant converters meet EN50155 Railway Standards and the UL 94V-0 flammability classification.
TWRB10 Series Specification Sheet PDF
| Daburn Part Number |
Input Voltage
Range (Vdc) |
Output Voltage
(Vdc) |
Output Current
at full load A |
Input Current
at No load mA |
Input Current
at Full Load A |
Efficiency
% |
| TWRB10-24S33 |
9 - 36 |
3.3 |
3000 |
50 |
503 |
82 |
| TWRB10-24S5 |
9 - 36 |
5 |
2000 |
50 |
508 |
82 |
| TWRB10-24S12 |
9 - 36 |
12 |
833 |
30 |
502 |
83 |
| TWRB10-24S15 |
9 - 36 |
15 |
670 |
30 |
505 |
83 |
| TWRB10-48S33 |
18-75 |
3.3 |
3000 |
30 |
252 |
82 |
| TWRB10-48S5 |
18-75 |
5 |
2000 |
30 |
254 |
82 |
| TWRB10-48S12 |
18-75 |
12 |
833 |
20 |
251 |
83 |
| TWRB10-48S15 |
18-75 |
15 |
670 |
20 |
252 |
83 |
| TWRB10-110S33 |
40-160 |
3.3 |
3000 |
12 |
110 |
82 |
| TWRB10-110S5 |
40-160 |
5 |
2000 |
12 |
111 |
82 |
| TWRB10-110S12 |
40-160 |
12 |
833 |
6 |
110 |
83 |
| TWRB10-110S15 |
40-160 |
15 |
670 |
6 |
110 |
83 |
| TWRB10-24-5 |
9-36 |
±5 |
±1000 |
30 |
502 |
83 |
| TWRB10-24-12 |
9-36 |
±12 |
±420 |
30 |
506 |
83 |
| TWRB10-24-15 |
9-36 |
±15 |
±340 |
30 |
512 |
83 |
| TRB10-48-5 |
18-75 |
±5 |
±1000 |
20 |
251 |
83 |
| TRB10-48-12 |
18-75 |
±12 |
±420 |
20 |
253 |
83 |
| TRB10-48-15 |
18-75 |
±15 |
±340 |
20 |
256 |
83 |
| TRB10-110-5 |
40-160 |
±5 |
±1000 |
6 |
110 |
83 |
| TRB10-110-12 |
40-160 |
±12 |
±420 |
6 |
110 |
83 |
| TRB10-110-15 |
40-160 |
±15 |
±340 |
6 |
112 |
83 |
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Input and Output Specifications:
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INPUT
- Operating Voltage Range
- 12Vin (nom): 9-36 Vdc
- 24Vin (nom): 18-75 Vdc
- 48Vin (nom): 40-160 Vdc
- Start Up Voltage
- 24Vin (nom): 9 Max. Vdc
- 48Vin (nom): 18 Max. Vdc
- Shutdown Voltage
- 24Vin: 8.5 Max. Vdc
- 48Vin: 17 Max. Vdc
- Voltages types: 4:1
- Start Up Time: Nominal Vin and constant resistive load, 450 Typ. Vdc
- Input Surge Voltage
- 24Vin, 100mS Max.: 50 Max. Vdc
- 48Vin, 100mS Max.: 100 Max. Vdc
- Input Reflected Ripple Current: 60mAp-p
- Input Filter: Pi Network
- Remote ON/OFF
- ON, 2.3-5V
- ON Current, 0.1mA
- OFF, 0-2.1V
- OFF Current, -0.102mA
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OUTPUT
- Voltage Tolerance: -2 Min., 2 Max. %
- Line Regulation: -0.5 Min., 0.5 Max. %
- Load Regulation
- Single, -0.5 Min., 0.5 Max. %
- Dual (balanced load): -0.5 Min., 0.5 Max. %
- Cross Regulation: Dual (25% to 100% load): -0.5 Min., 0.5 Max. %
- Ripple and noise
- Output: 3-15V Types, BW=DC to 20MHz, 100 Max. mVp-p
- Output > 15V Types, BW=DC to 20MHz, 1% of Vout
- Temperature Coefficient: 0.01%/°C Max.
- Transient Response setting time: 25% load step change, 350 Max. µS
- Short circuit protection: Hiccup, automatic recovery
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More Specifications:
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GENERAL
- Isolation Voltage: 1500 Min. Vdc
- Isolation resistance: 1000 Min. MΩ, 500Vdc
- Isolation capacitance: 2000 pF, Max.
- Switching Frequency: 400 Typ. KHz
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ENVIRONMENTAL
- Operating Temperature: With derating, -40 Min., 100 Max. ºC
- Storage Temperature Range: -55 Min., 125 Max. °C
- Humidity: 95 Max. %
- Cooling: Free air convection
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PHYSICAL SPECIFICATIONS
- Design Meet Safety Standard: EN50155
- Case Material: Nickel coated copper with non-conductive base
- Weight: 17.5g (0.62oz)
- Dimensions: 1.2” × 0.8” × 0.4”(31.6mm × 20.1mm × 10mm)
- MTBF: 9×105 hrs, MIL-HDBK-217F at 25ºC
EMC SPECIFICATIONS
- ESD: EN 61000-4-2, Air ±8kV, contact ±6kV, Perf. Criteria B
- Fast Transient: EN 61000-4-4, ±2kV, Perf. Criteria B
- Surge: EN61000-4-5, EN61000-4-5, Perf. Criteria A
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