RLD30P500UF

Series:	POLY-FUSE®, RLD30
Packaging:	Tape & Box (TB)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Type:	Polymeric
Voltage - Max:	30V
Current - Max:	40A
Current - Hold (Ih) (Max):	5A
Current - Trip (It):	10A
Time to Trip:	14.5s
Resistance - Initial (Ri) (Min):	10 mOhms
Resistance - Post Trip (R1) (Max):	50 mOhms
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Disc
Size / Dimension:	0.551" L x 0.118" W (14.00mm x 3.00mm)
Height - Seated (Max):	0.980" (24.90mm)
Thickness (Max):	--
Lead Spacing:	0.402" (10.20mm)
Approvals:	cURus, TUV

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PTC Resettable FusesPTC (Positive Temperature Coefficient) Resettable Fuses are an innovative technology used to protect electrical and electronic devices from overcurrent conditions. PTC Resettable Fuses are one of the most widely used forms of overcurrent protection, and are found in many types of consumer and industrial electronics ranging from consumer electronics and home appliances to automotive and industrial applications.The RLD30P500UF is a 3 amp resettable fuse designed for use in applications which require protection from overcurrent and short circuits. This unique device utilizes a PTC element and electronic circuitry to sense and trip when an overcurrent condition is detected. When the current is reduced to a safe level, the device will automatically reset itself allowing the device to once again be used. This feature makes the RLD30P500UF an ideal choice for applications that require frequent resetting due to power outages, short circuits and other problems.The RLD30P500UF has a wide range of application fields, including medical equipment, power supplies, telecommunications, automotive, robotics, and other industrial applications. It provides strong overcurrent protection with a low internal resistance and low thermal operational temperature. In addition, its quick response time makes it ideal for use in rapidly changing current load situations.The working principle of the RLD30P500UF is based on the fact that a PTC material has a positive temperature coefficient of resistance, which means that its resistance changes according to the temperature. When the current passing through a PTC element reaches the maximum safe level, the temperature of the element increases, resulting in an increase in its resistance and the device tripping. Once the current is reduced to a safe level, the element cools down, and its resistance decreases, allowing the device to reset and the circuit to be restored. The RLD30P500UF also features a low holding voltage, allowing the device to reset quickly after a fault is cleared. The device is capable of resetting itself even at low voltages, allowing it to be used reliably for protection against very low voltage conditions. The low operating temperature also helps to minimize thermal degradation and reduce wear and tear of the PTC elements. In addition to providing overcurrent protection, the RLD30P500UF can also be used in applications such as protection against overvoltage conditions. When the input voltage reaches a certain threshold, the device trips and shuts off the power, protecting the circuit from damage. The device is also capable of testing itself for proper operation before it remains in the operational state, ensuring reliable performance.The RLD30P500UF is a high quality, reliable device, perfect for use in a variety of automotive, industrial and consumer electronics applications which require protection from overcurrent and short circuits. Its features make it ideal for use in rapidly changing current loads, and its low operating temperature minimizes thermal degradation and reduces wear and tear of the PTC elements.

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