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特点： |
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| ◥ 电压输入通过开关切换 |
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| ◥ 100%满载老化 |
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| ◥ 温控风扇、强制风冷 |
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| ◥ 具有过温保护 |
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| ◥ 低成本、高可靠 |
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| 电气规格 |
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| 型号 |
SE-450S3.3 |
SE-450S5 |
SE-450S7.5 |
SE-450S12 |
SE-450S15 |
SE-450S24 |
SE-450S36 |
SE-450S48 |
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| 输出特性 |
输出电压 |
+3.3V |
+5V |
+7.5V |
+12V |
+15V |
+24V |
+36V |
+48V |
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| 电压调整范围 |
3.17~3.42V |
4.4~5.8V |
6V~9V |
10.6~13.6V |
11.8~16.1V |
19.7~27.5V |
31~38.3V |
40.3~54.3V |
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| 额定电流 |
75A |
75A |
60A |
37.5A |
30A |
18.8A |
12.5A |
9.4A |
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| 电流范围 |
0~75A |
0~75A |
0~53A |
0~37.5A |
0~30A |
0~18.8A |
0~12.5A |
0~9.4A |
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| 额定功率 |
247.5W |
375W |
450W |
450W |
450W |
451.2W |
450W |
451.2W |
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| 纹波与噪声 (最大) |
80mV |
80mV |
80mV |
120mV |
200mV |
200mV |
200mV |
200mV |
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| 输出精度 |
±2% |
±1% |
±1% |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
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| 线性调整率 |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
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| 负载调整率 |
±2% |
±1% |
±1% |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
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| 启动、上升、保持时间 |
500ms，20ms/230VAC；1200ms,30ms/115VAC（满载时） |
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| 输入特性 |
输入电压范围 |
176~264VAC/88~132VAC（开关转换），或 250~370VDC |
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| 输入电流 |
6A/230V ; 10A/115V |
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| 频率范围 |
47~63Hz |
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| 效率(Typ) |
>74% |
>78% |
>80% |
>83% |
>83% |
>86% |
>86% |
>88% |
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| 浪涌电流(Typ) |
55A/230V（冷启动） |
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| 漏电流 |
<2mA/240VAC |
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| 保护 |
过载保护 |
110~150%（保护方式：关闭输出，负载条件去除,电源重新通电后恢复） |
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| 环境参数 |
工作温度、 湿度 |
-25℃~+50℃@100% LOAD,+60℃@60% LOAD；20%-90% RH ,无冷凝 |
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| 储藏温度、 湿度 |
-40℃ - +85℃, 10%-95% RH |
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| 温度漂移 |
±0.03% /℃(0-50℃) |
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| 振动 |
10-500Hz, 2G 10分钟/周期, Y、X 、Z轴各60分钟 |
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| 安规和 电磁兼容 |
安全规范 |
MEET GB4943 |
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| 耐压 |
I/P-O/P:1.5KVAC ; I/P-FG:1.5KVAC ; O/P-FG:0.5KVAC |
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| 绝缘阻抗 |
I/P-O/P:500VDC / 100M Ohms/25℃/70% RH |
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| 其它 |
尺寸 |
215*115*50mm（L*W*H） |
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| 重量 |
1200g |
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| 备注 |
1. 所有参数在230VAC输入，额定负载，环温25℃，湿度70%条件下测定； |
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| 2. 精度：包括设定误差，线路调整率，负载调整率等； |
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| 3. 纹波测试：用30cm长绞线连接电源和负载，负载端并0.1u和47u电容，以20MHz示波器于负载端测得； |
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