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Home > Polytron Power Supplies > Polytron DMWB20 Series DC-DC Converters, 20 Watt, Single and Dual Output, DIN Rail, Wide Input, 4.2" x 2.27" x 0.97"
Polytron DMWB20 Series DC-DC Converters, 20 Watt, Single and Dual Output, DIN Rail, Wide Input, 4.2" x 2.27" x 0.97"
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Price (Each): Call or e-mail for quotes or to order.
Available to Order
Item Number: DMWB20
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Reliable snap-on for DIN rail
Our 20 watt single and dual output DC-DC converter has overload and short circuit protection, a reliable snap-on for DIN Rail TS-35/7.5 or TS-35/15 and internal input fuse and reverse polarity protection. The model has case protection that meets IP 20 (IEC60529) and an internal input in-rush current limit circuit.
DMWB20 Series Specification Sheet PDF
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Output Current
(mA) |
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Input Current
(mA)
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Daburn Part
Number |
Input Voltage
Range (Vdc) |
Output Voltage
(Vdc) |
Min. Load |
Full Load |
Output Ripple
& Noise
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No Load
(3) |
Full Load
(2) |
Efficiency
% |
Case |
Minimum Capacitor Load
μF |
| Single Output |
| DMWB20-24S5 |
9.5 - 36 |
3.3 |
0 |
5500 |
60mVp-p |
52 |
957 |
83 |
DR |
18000μF |
| DMWB20-24S5.1 |
5 |
0 |
4800 |
75mVp-p |
67 |
1016 |
86 |
DR |
9600μF |
| DMWB20-24S12 |
12 |
0 |
1670 |
75mVp-p |
26 |
1043 |
84 |
DR |
1650μF |
| DMWB20-24S15 |
15 |
0 |
1330 |
75mVp-p |
27 |
1039 |
84 |
DR |
1050μF |
| DMWB20-48S3.3 |
18 - 75 |
3.3 |
0 |
5500 |
60mVp-p |
37 |
473 |
83 |
DR |
18000μF |
| DMWB20-48S5 |
5 |
0 |
4800 |
75mVp-p |
37 |
508 |
86 |
DR |
9600μF |
| DMWB20-48S5.1 |
12 |
0 |
1670 |
75mVp-p |
18 |
515 |
85 |
DR |
1650μF |
| DMWB20-48S15 |
15 |
0 |
1330 |
75mVp-p |
18 |
513 |
85 |
DR |
1050μF |
| Dual Output |
| DMWB20-24-5 |
9.5 - 36 |
±5 |
0 |
±2000 |
100mVp-p |
59 |
1016 |
86 |
DR |
±4800μF |
| DMWB20-24-12 |
±12 |
0 |
±833 |
100mVp-p |
34 |
1028 |
85 |
DR |
±825μF |
| DMWB20-24-15 |
±15 |
0 |
±667 |
100mVp-p |
35 |
1029 |
85 |
DR |
±525μF |
| DMWB20-48-5 |
18 - 75 |
±5 |
0 |
±2000 |
100mVp-p |
37 |
502 |
87 |
DR |
±4800μF |
| DMWB20-48-12 |
±12 |
0 |
±833 |
100mVp-p |
20 |
508 |
86 |
DR |
±825μF |
| DMWB20-48-15 |
±15 |
0 |
±667 |
100mVp-p |
20 |
508 |
86 |
DR |
±525μF |
Input and Output Specifications:
INPUT
- Voltage Range
- 24 Vdc nominal input: 9.5 - 36 Vdc
- 48 Vdc nominal input: 18 - 75 Vdc
- Input Surge Voltage
- 24 Vdc input: 50 Vdc 100 ms. max
- 48 Vdc input: 100 Vdc 100 ms. max
- Input fuse (slow blow)
- 24 Vdc input: 6A
- 48 Vdc input: 4A
- In-rush current: 15A
- Input reflected ripple current: 10 mAp-p
- Start up time
- Nominal input and Power Up: 100 mS
- Constant resistive load
- Startup Voltage
- 24 Vdc input: 9.5 Vdc
- 48 Vdc input: 18 Vdc
- Shutdown Voltage
- 24 Vdc input: 7.5 Vdc
- 48 Vdc input: 15 Vdc
- Remote ON/OFF
- Positive logic
- DC-DC ON: Open or 3 V<Vr<12V
- DC-DC OFF: Short or 0 V<Vr<1.2V
- Negative Logic
- DC-DC ON: Short or 0V<Vr<1.2V
- DC-DC OFF: Open or 3V<Vr<12V
- Input current of Remote control pin
- Remote off state input current
OUTPUT
- Output power: 20 Watts Max.
- Voltage accuracy
- 3.3 Vout: ±2.0%
- Others: ±1.2%
- Minimum Load: 0%
- Line Regulation
- LL to HL at Full Load
- Single: ±0.2%
- Dual: ±0.5%
- Load Regulation
- No load to Full Load
- 3.3 Vout: ±2.0%
- Others: ±1.5%
- Load Cross Regulation
- Ripple and Noise (20 mHZ Bandwidth): 50 - 75 mVp-p
- Temperature Coefficient: ±0.02%/°C Max.
- Transient Response recovery time
- 25% load step change: 250µS
- Over voltage protection
- Zener diode clamp
- 5 Vdc Output: 6.2 Vdc
- 12 Vdc Output: 15 Vdc
- 15 Vdc Output: 18 Vdc
- Output Indicator: Green LED
- Over load protection
- 0% of FL at nominal input: 150%
- Short circuit protection: Hiccup, automatic recovery
More Specifications:
GENERAL
- Efficiency: 83 - 87%
- Isolation Voltage
- Input to Output: 1600 Vdc, min. 1 minute
- Input (Output) to Chassis: 1600 Vdc, min. 1 minute
- Isolation resistance: 109 ohms, min.
- Isolation capacitance: 4000 pF, max.
- Switching frequency: 400 KHz ±10%
- Design meets safety standard: IEC60950-1, UL60950-1, EN60950-1
- Chassis material: Aluminum
- Dimensions: 4. 2 x 2.27 x 0.97 (125.0 x 57.6 x 24.5 mm)
- Weight: 5.19 oz. (147.5 g)
- MTBF
- BELLCORE TR-NWT-000332: 1.289 x 106 hrs.
- MIL-HDBK-217F: 9.197 x 105 hrs.
ENVIRONMENTAL
- Operating ambient temperature: -40 to 85°C without derating
- Storage temperature range: -40 to 105°C
- Thermal Shock: MIL STD 810F
- Vibration: MIL STD 810F
- Relative Humidity: 5 - 95% RH
EMC CHARACTERISTICS
- EMI
- ESD:
- EN61000-4-2, Perf. Criteria A
- Radiated Immunity
- EN61000-4-3: 10 V/m, Perf. Criteria A
- Fast Transient
- EN61000-4-4: ±2KV, Perf. Criteria A
- Surge
- EN61000-4-5: ±0.5KV, Perf. Criteria A
- Conducted Immunity
- EN61000-4-6: 10 Vrms, Perf. Criteria A
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