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0.5A 100W 50V PTC Fuse

  • Image 1
Price:
$1.95 (inc GST) $1.77 (exc GST)
SKU:
R4550A
Availability:
Ships in 72 hours


Product Description

Self resets when fault condition is removed. Hold Current is the maximum current at which the device will not trip at 20°C. Trip Current is the minimum current at which the device will always trip at 20°C.
  • Hold Current: 0.50A
  • Trip Current: 1.00A
  • Pitch: 5.08mm

*Specifications are subject to change without notice.

Calculating Required Value
I = v(P/R), where I is the speaker input current, P is the speaker input power, and R is the speaker impedance. For a 80W per channel RMS amplifier driving an 8 ohm speaker, the speaker current is: I = v(80/8) = 3.2A, so the 3.7 A (trip current) polyswitch is selected.
Note: All quantities are supplied loose.

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