24LT190SU

Resistance - Initial (Ri) (Min):	30 mOhms
Approvals:	cURus, TUV
Lead Spacing:	--
Thickness (Max):	0.039" (1.00mm)
Height - Seated (Max):	--
Size / Dimension:	0.880" L x 0.417" W (22.35mm x 10.60mm)
Package / Case:	Strap
Mounting Type:	User Defined
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	100 mOhms
Series:	POLY-FUSE®, LT
Time to Trip:	3s
Current - Trip (It):	4.2A
Current - Hold (Ih) (Max):	1.9A
Current - Max:	100A
Voltage - Max:	24V
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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PTC Resettable Fuses

PTC Resettable Fuses are an innovative and ever-evolving technology used to protect circuits, devices, and electronics from dangerous overloads. They are an electrical component that helps to protect from overloading, overheating, and other electrical issues. The 24LT190SU is a leading PTC resettable fuse that is used in a variety of applications and provides superior electrical protection.

24LT190SU Application Field

The 24LT190SU is a low-resistance, low-voltage, PTC resettable fuse with quick response time, low leakage current, and wide operating temperature range. It is commonly used in the automotive, telecommunications, and consumer electronics industries, as well as in medical devices, white goods, and appliances. The 24LT190SU can be used with direct current (DC) power sources in a variety of ways. It is used to protect wiring harnesses and motors against voltage spikes, protect switches and relays from over-current, and protect capacitors from over-voltage. In addition, it is used to protect LED drivers against over-current and to provide safety protection against surge suppression. The 24LT190SU can also be used with alternating current (AC) power sources. It is used to protect electrical wires, cables, and circuits from overheating, and to protect circuit boards from over-voltage. Furthermore, the 24LT190SU is frequently used to protect power supply or power transistors from over-voltage and to protect transformers from over-temperature.

24LT190SU Working Principle

The 24LT190SU has a unique working principle which is based on the PTC effect. The 24LT190SU consists of a Positive Temperature Coefficient (PTC) element, which is a special type of ceramic material that interacts in a unique way with the temperature. When the temperature reaches a certain level, the PTC element will change its resistance from a low state to a high state. When the 24LT190SU is in its low state, the current is allowed to pass through the fuse as normal. As the temperature of the fuse increases, the resistance of the 24LT190SU increases and the current is eventually blocked. This prevents the circuits, devices, and electronics from being damaged by the overloads. When the temperature is reduced, the resistance of the 24LT190SU decreases and the current is allowed to pass through the fuse again. This is why the 24LT190SU is referred to as a ‘resettable fuse’. The resettable feature of the 24LT190SU is what makes it such a valuable component in a variety of applications.In addition to the resettable feature, the 24LT190SU also provides superior electrical protection. The fuse operates quickly and with minimal power losses. It also has low leakage current, which reduces any collateral damage to the surrounding components.

Conclusion

The 24LT190SU is an advanced PTC resettable fuse that is used in a variety of applications. It has a unique working principle based on the PTC effect, which allows it to quickly detect and block current from dangerous overloads. In addition, its low leakage current ensures that any collateral damage to the surrounding components is minimized. This makes the 24LT190SU a reliable and safe solution for protecting circuits, devices, and electronics from dangerous overloads.

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