SD50 50 Watt Enclosed Converters
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2:1 wide input range |
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Protections: Short circuit/Over load/Over voltage |
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1500VDC I/O isolation |
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Built-in EMI filter, low ripple noise |
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100% full load burn-in test |
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Fixed switching frequency at 83KHz |
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Model Number |
Input Voltage Range |
DC Current |
Minimum Load Requirement |
Output Voltage |
Output Amps |
Load Regulation |
Line Regulation |
Ripple and Noise |
| SD50A-5 | 9.2~18VDC | 7A/12V |
0~10A |
5V |
10A |
±0.5% |
±0.5% |
100mVp-p max. (Note 2) |
| SD50B-5 | 19~36VDC | 7A/12V |
0~10A |
5V |
10A |
±0.5% |
±0.5% |
100mVp-p max. (Note 2) |
| SD50C-5 | 36~72VDC | 7A/12V |
0~10A |
5V |
10A |
±0.5% |
±0.5% |
100mVp-p max. (Note 2) |
| SD50A-12 | 9.2~18VDC | 3A/24V |
0~4.2A |
12V |
4.2A |
±0.3% |
±0.3% |
120mVp-p max. (Note 2) |
| SD50B-12 | 19~36VDC | 3A/24V |
0~4.2A |
12V |
4.2A |
±0.3% |
±0.3% |
120mVp-p max. (Note 2) |
| SD50C-12 | 36~72VDC | 3A/24V |
0~4.2A |
12V |
4.2A |
±0.3% |
±0.3% |
120mVp-p max. (Note 2) |
| SD50A-24 | 9.2~18VDC | 1.5A/48V |
0~2.1 |
24V |
2.1A |
±0.2% |
±0.2% |
150mVp-p max. (Note 2) |
| SD50B-24 | 19~36VDC | 1.5A/48V |
0~2.1 |
24V |
2.1A |
±0.2% |
±0.2% |
150mVp-p max. (Note 2) |
| SD50C-24 | 36~72VDC | 1.5A/48V |
0~2.1 |
24V |
2.1A |
±0.2% |
±0.2% |
150mVp-p max. (Note 2) |
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Model Number |
Voltage Tolerance |
Over Voltage Protection |
DC Voltage Adjust (typ.) |
MTBF |
Efficiency |
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SD50A-5 |
±2% (Note 3) |
5.75~6.75V/10% load. Protection type: Hiccup mode, recovers automatically after fault condition is removed |
4.5~5.5VDC |
365.6K hrs min. MIL-HDBK-217F (25°C) |
70% typ. |
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SD50B-5 |
±2% (Note 3) |
5.75~6.75V/10% load. Protection type: Hiccup mode, recovers automatically after fault condition is removed |
4.5~5.5VDC |
357.5K hrs min. MIL-HDBK-217F (25°C) |
73% typ. |
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SD50C-5 |
±2% (Note 3) |
5.75~6.75V/10% load. Protection type: Hiccup mode, recovers automatically after fault condition is removed |
4.5~5.5VDC |
368.5K hrs min. MIL-HDBK-217F (25°C) |
76% typ. |
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SD50A-12 |
±1% (Note 3) |
16.8~20V/10% load. Protection type: Hiccup mode, recovers automatically after fault condition is removed |
11~16VDC |
365.6K hrs min. MIL-HDBK-217F (25°C) |
72% typ. |
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SD50B-12 |
±1% (Note 3) |
16.8~20V/10% load. Protection type: Hiccup mode, recovers automatically after fault condition is removed |
11~16VDC |
357.5K hrs min. MIL-HDBK-217F (25°C) |
75% typ. |
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SD50C-12 |
±1% (Note 3) |
16.8~20V/10% load. Protection type: Hiccup mode, recovers automatically after fault condition is removed |
11~16VDC |
368.5K hrs min. MIL-HDBK-217F (25°C) |
78% typ. |
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SD50A-24 |
±1% (Note 3) |
31.5~37.5V/10% load. Protection type: Hiccup mode, recovers automatically after fault condition is removed |
23~30VDC |
365.6K hrs min. MIL-HDBK-217F (25°C) |
74% typ. |
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SD50B-24 |
±1% (Note 3) |
31.5~37.5V/10% load. Protection type: Hiccup mode, recovers automatically after fault condition is removed |
23~30VDC |
357.5K hrs min. MIL-HDBK-217F (25°C) |
80% typ. |
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SD50C-24 |
±1% (Note 3) |
31.5~37.5V/10% load. Protection type: Hiccup mode, recovers automatically after fault condition is removed |
23~30VDC |
368.5K hrs min. MIL-HDBK-217F (25°C) |
83% typ. |
SD50 series
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Input Specifications
General Specifications
Physical Specifications
Notes 1. All parameters NOT specially mentioned are measured at 12, 24, 48VDC input, rated load and 25 °C of ambient temperature. 2. Ripple and noise are measured at 20MHz of bandwidth by using a 12” twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor. 3. Tolerance: includes set up tolerance, line regulation and load regulation. 4. The power supply is considered a component which will be installed into a final equipment. The final equpiment must be re-confirmed that it still meets EMC directives. All specifications are typical at nominal input, full load, and 25°C unless otherwise noted Astrodyne products are not authorized or warranteed for use as critical components in life support systems, equipment used in hazardous environments, nuclear controls systems, or other mission-critical applications. |
Output Specifications
Environmental Specifications
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