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50-70mm直流无框风机具有广泛的优点。它具有较长的预期寿命，可以控制温度，检测RD信号，具有电压控制功能，并且可以在高温和低温下工作。
FG:FG信号
RD:RD信号
PWM:PWM信号
VC:电压控制
TC:温度控制
| BEARING TYPE | F.D. Bearing /One ball /Sleeve bearing/ Two ball |
| FRAME | P B T. UL94V-0 |
| IMPELLER | P B T. UL94V-0 |
| P C B | UL94V-0 |
| MATERIAL LIST | RoHS Compliant |
| OPERATING TEMPERATURE | -10 ℃ ~ + 70 ℃ |
| STORAGE TEMPERATURE | -40 ℃ ~ + 70 ℃ |
| DIELECTRIC STRENGTH | Applied a 500VAC for 1.0 minute or 600VAC for 2 seconds between housing and both lead wires. |
| INSULATION RESISTANCE | At least 10 MΩ at 500VDC between the internal stator and both lead wires. |
| LIFE EXPECTANCY | 30,000(S)/40,000(F)/50,000 hrs(2B) in running conditions at 40℃ ambient. |