fs-凯发注册
- 固装屏专用电源，三防设计，效率高发热小，性能优越
- 电压适应范围宽
- 工作环境温度范围宽广-40~ 70℃
- 按照美标 ul60950设计，安全有保障
- 内置齐全的过流保护、短路保护功能，可防线材短路起火
- 采用全新优质元器件设计制造
- 100%满载高温老化，故障率低，可靠性高
- 采用长寿命风扇，散热强温度低，适合大型 led 工程使用
- 具备主动功率因数校正电路，不干扰电网，节能省电*
产品规格书specification 除非特别积压明，均为230vac，25℃下测得
|
dc output |
24v |
|
rated current |
2.5a |
|
current range |
0~2.5a |
|
ripple and noise |
<300mv |
|
voltage adj. range |
– |
|
voltage accuracy① |
±3% |
|
line regulation① |
±0.5% |
|
load regulation① |
±0.5% |
|
set-up time |
≤3sec |
|
temperature coefficient① |
±0.03%/℃ |
|
overshoot |
≤5.0% |
|
voltage range |
176vac~264vac |
|
frequency range |
47hz~63hz |
|
efficiency ( typical) |
87% |
|
ac current (max.) |
<2.0a |
|
inrush current (typical) |
50a@220vac |
|
leakage current |
input—output:<0.25ma input—fg:<1.5 ma output—fg:<0.25ma (@230vac) |
|
over voltage |
– |
|
over current |
3.0~8.0a, hiccup mode, auto recovery |
|
shorted circuit |
auto recover from short circuit protection |
|
operating amb. temp. & hum. |
-40℃-70℃; 20%rh-90%rh (please refer to derating curve) |
|
storage temp. & hum. |
-40℃~85℃; 10%~95%rh |
|
safety standards |
gb4943/ul60950/en60950 |
|
dielectric strength |
@1500vac 1minute ≤10ma; @1000vac 1minute ≤10ma ; @500vdc 1minute ≤10ma |
|
insulation resistance |
dc500v/100mω min |
|
mtbf (mil-hdbk-217f) |
100,000hrs at 25℃, mil-217 method 2 |
|
dimension (l*w*h) |
160±1mm*42±1mm*26±1mm |
产品选型表product
| 型号 model | 输入 input | 输出output | 电流 current | 效率 effi | 稳压精度 tol | 纹波r&n | 工作温度 temp | pfc | 认证 cert |
|---|---|---|---|---|---|---|---|---|---|
| htu-300-4.2 | ac100-240v | 4.2v | 60a | 88% | ±3% | <200mv | -40-70℃ | √ | ce |
| hth-300-4.2 | ac200-240v | 4.5v | 60a | 86% | ±3% | <200mv | -40-70℃ | χ | / |
| htu-300-4.5 | ac100-240v | 5.0v | 60a | 88% | ±3% | <200mv | -40-70℃ | √ | ce |
| hth-300-4.5 | ac200-240v | 4.2v | 60a | 90% | ±3% | <200mv | -40-70℃ | χ | / |
| htu-300-5 | ac100-240v | 4.5v | 60a | 90% | ±3% | <200mv | -40-70℃ | √ | ce |
| hth-300-5 | ac200-240v | 5.0v | 60a | 90% | ±3% | <200mv | -40-70℃ | χ | / |