25 Watt 3.9 Ohm Aluminum Case Wirewound Resistor with 5% Tolerance

Power: 25W

Resistance: 3.9 ohm

Tolerance: 5%

Connection Type: Rods

Board Length: 28mm

Mounting Hole Diameter: 3.5mm

Distance Between Mounting Hole: 18mm

Materials: Nickel alloys Wire Wound Resistor with Aluminum Case

Color: Gold

Package Content: 3 pcs 25W 3.9ohm Aluminum Resistor

Suggestion:

a. The load resistor will get huge hot, please don’t touch it when the resistor is working.Because alumnium resistor is a braking device which transfers Electric energy to Thermal energy.This is a normal physical phenomenon.

b. The load resistor should be mounted on metal board, not on flammable board such as plastic board,rubber,paper,wood and etc.

c. We recommend a 30%-50% increase in rated power based on your actual load power and add a heat sink device when it is necessary.

• If you choose a 30% increase in rated power, you must add a heat sink device.
• If you choose a 50% increase in rated power, you can add a heat sink device for the best use of its performance.

d. Not recommend to use it for Automotive repair or refit unless you have professional knowledge.