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厚膜功率型電阻

UVR厚膜發(fā)熱器

產(chǎn)品編號: 057
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添加時間: 2024-08-12
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㈠Features:

 Ⅰ Ultra low profile thick-film on steel

Ⅱ 500W to 7kW peak power

Ⅲ Single fixing heatsink mountable

Ⅳ Ideal for dynamic braking, inrush limit and snubber circuits

Ⅴ Choice of flying lead, push-on or solder terminations

Ⅵ Low inductance design

Ⅶ High isolation, even after failsafe overload fusing

Ⅷ RoHS compliant, non-flammable construction

㈡Applications:

 A heatsink with thermal resistance ≤0.53℃/W will enable the component to operate at its continuous power rating.

Thermal grease (e.g. DowCorning DC340) should be used and the heatsink should have a surface finish of<6.3μm with flatness of<0.05mm. The resistor should be mounted using a screw head bolt of size M5 forUVR2, 3, 5 & 7,M3 forUVR1 and M2 forUVR1/2. This should be torqued to 2.5Nm ±10%.

UVR resistors will fail safe (open circuit) under overload fault conditions and still maintain a 1kV dielectric withstand. 

Power Rating:
  1/2W,1W,2W、3W,5W、7W
Tolerance:
  K(±10%)
Power Rating:
  22R-150R
T.C.R:
  +500 to +600