SD25 25 Watt 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 |
Efficiency |
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9.2~18VDC |
3.2A/12V |
0~5A |
5V |
5A |
±0.5% |
±0.5% |
71% typ. |
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19~36VDC |
3.2A/12V |
0~5A |
5V |
5A |
±0.5% |
±0.5% |
72% typ. |
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36~72VDC |
3.2A/12V |
0~5A |
5V |
5A |
±0.5% |
±0.5% |
74% typ. |
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9.2~18VDC |
1.6A/24V |
0~2.1A |
12V |
2.1A |
±0.3% |
±0.3% |
72% typ. |
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19~36VDC |
1.6A/24V |
0~2.1A |
12V |
2.1A |
±0.3% |
±0.3% |
75% typ. |
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36~72VDC |
1.6A/24V |
0~2.1A |
12V |
2.1A |
±0.3% |
±0.3% |
78% typ. |
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9.2~18VDC |
0.8A/48V. |
0~1.1A |
24V |
1.1A |
±0.2% |
±0.2% |
75% typ. |
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19~36VDC |
0.8A/48V |
0~1.1A |
24V |
1.1A |
±0.2% |
±0.2% |
78% typ. |
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36~72VDC |
0.8A/48V |
0~1.1A |
24V |
1.1A |
±0.2% |
±0.2% |
71% typ. |
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Model Number |
Ripple and Noise |
Voltage Tolerance |
Over Voltage Protection |
DC Voltage Adjust (typ.) |
MTBF |
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SD25A-5 |
100mVp-p max. (Note 2) |
±2% (Note 3) |
5.75~6.75V/10% load. Protection type: Hiccup mode, recovers automatically after fault condition is removed |
4.5~5.5VDC |
374.3K hrs min. MIL-HDBK-217F (25°C) |
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SD25B-5 |
100mVp-p max. (Note 2) |
±2% (Note 3) |
5.75~6.75V/10% load. Protection type: Hiccup mode, recovers automatically after fault condition is removed |
4.5~5.5VDC |
365.9K hrs min. MIL-HDBK-217F (25°C) |
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SD25C-5 |
100mVp-p max. (Note 2) |
±2% (Note 3) |
5.75~6.75V/10% load. Protection type: Hiccup mode, recovers automatically after fault condition is removed |
4.5~5.5VDC |
377.5K hrs min. MIL-HDBK-217F (25°C) |
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SD25A-12 |
120mVp-p max. (Note 2) |
±1% (Note 3) |
16.8~20V/10% load. Protection type: Hiccup mode, recovers automatically after fault condition is removed |
11~16VDC |
374.3K hrs min. MIL-HDBK-217F (25°C) |
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SD25B-12 |
120mVp-p max. (Note 2) |
±1% (Note 3) |
16.8~20V/10% load. Protection type: Hiccup mode, recovers automatically after fault condition is removed |
11~16VDC |
365.9K hrs min. MIL-HDBK-217F (25°C) |
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SD25C-12 |
120mVp-p max. (Note 2) |
±1% (Note 3) |
16.8~20V/10% load. Protection type: Hiccup mode, recovers automatically after fault condition is removed |
11~16VDC |
377.5K hrs min. MIL-HDBK-217F (25°C) |
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SD25A-24 |
150mVp-p max. (Note 2) |
±1% (Note 3) |
31.5~37.5V/10% load. Protection type: Hiccup mode, recovers automatically after fault condition is removed |
23~30VDC |
374.3K hrs min. MIL-HDBK-217F (25°C) |
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SD25B-24 |
150mVp-p max. (Note 2) |
±1% (Note 3) |
31.5~37.5V/10% load. Protection type: Hiccup mode, recovers automatically after fault condition is removed |
23~30VDC |
365.9K hrs min. MIL-HDBK-217F (25°C) |
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SD25C-24 |
150mVp-p max. (Note 2) |
±1% (Note 3) |
31.5~37.5V/10% load. Protection type: Hiccup mode, recovers automatically after fault condition is removed |
23~30VDC |
377.5K hrs min. MIL-HDBK-217F (25°C) |
SD25 series
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Input Specifications
General Specifications
Physical Specifications
Notes 1. All parameters NOT specially mentioned are measured at 230VAC 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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