PTCTL4MR250GTE043

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Ceramic
Voltage - Max:	245V
Current - Max:	4A
Current - Hold (Ih) (Max):	70mA
Current - Trip (It):	200mA
Time to Trip:	2.5s
Resistance - 25°C (Typ):	25 Ohms
Operating Temperature:	0°C ~ 70°C
Ratings:	--
Mounting Type:	Through Hole
Package / Case:	Radial
Size / Dimension:	0.335" Dia x 0.197" W (8.50mm x 5.00mm)
Height - Seated (Max):	0.453" (11.50mm)
Thickness (Max):	--
Lead Spacing:	0.197" (5.00mm)
Approvals:	UR

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1. Introduction

PTC Resettable Fuses, also called Polymer Positive Temperature Coefficient (PPTC), are a kind of self-resetting thermal-based current protection device that operates at a pre-determined current level. They are used to automatically protect a system by breaking an electrical circuit when a fault is detected. PTCTL4MR250GTE043 is one of the products of the PTC Resettable Fuses family.

2. Application Field of PTCTL4MR250GTE043

PTCTL4MR250GTE043 has a wide range of applications, under different type of systems including:1) Automotive systems: Automotive systems need a reliable and reactive current limit protection and PTCTL4MR250GTE043 provides an efficient, fast-reacting protection system to protect against power surges and other automotive power supplies against electrical faults.2) Industrial Automation: Due to its compact size and efficiency, PTCTL4MR250GTE043 can be used in automated machinery and process controls in around industrial power supplies where fast response and high-current protection is required.3) Power Supplies: PTCTL4MR250GTE043 is designed for power supplies that are subjected to repetitive current surges. It can be used as a current limiter in circuits where large amounts of transient current can originate such as smart phone chargers and power supplies for consumer electronics.4) Home Appliances: PTCTL4MR250GTE043 is also used in large household appliances and in consumer electronics such as hairdryers, washing machines, and refrigerators to protect against power surges and faults in the line.

3. Working Principle of PTCTL4MR250GTE043

PTCTL4MR250GTE043 is a thermal-based PTC resettable fuse. The operating principle of these devices is based on the coefficient of thermal expansion of certain polymers, compound with metal parts.When the current flowing through the PTC fuse reaches the pre-determined level, the temperature of the component increases due to Joule heating, causing the metal parts of the PTC fuse to expand and make an electrical connection, which interrupts the circuit path.The device then cools down and the PTC fuse resets to its initial state, thereby providing a fast, reliable, and safe resetting solution to protect all connected components.

4. Features and Benefits

PTCTL4MR250GTE043 provides users with many advantages which makes it an attractive choice for many applications.1) Fast Response: The fast response time of the PTCTL4MR250GTE043 makes it an ideal choice for applications where fast current protection is essential.2) Reliability: The PTC Resettable Fuses are reliable in operation, irrespective of the number of times they are used and reset.3) Compact Size: Compared to conventional fuses, the compact size of PTC Resettable Fuses offers easy installation and thus maximizing board space utilization.4) Wide Operating Temperature Range: The device works in temperature ranging from -30°C to +80°C.

5. Conclusion

PTCTL4MR250GTE043 is a compact and efficient PTC Resettable Fuses designed for a wide range of applications including automotive, industrial automation, power supplies, and home appliances. PTCTL4MR250GTE043 offers many advantages such as fast response, reliable operation, and a wide operating temperature range. It is an ideal choice for applications where fast current protection is essential.

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