FEMTOASMDC010F/15-2 Circuit Protection

Resistance - Initial (Ri) (Min):	2 Ohms
Approvals:	--
Lead Spacing:	--
Thickness (Max):	0.033" (0.85mm)
Height - Seated (Max):	--
Size / Dimension:	0.063" L x 0.031" W (1.60mm x 0.79mm)
Package / Case:	0603 (1608 Metric)
Mounting Type:	Surface Mount
Ratings:	PS300, PS400
Operating Temperature:	--
Resistance - Post Trip (R1) (Max):	14 Ohms
Series:	PolySwitch®, femtoASMD
Time to Trip:	100ms
Current - Trip (It):	300mA
Current - Hold (Ih) (Max):	100mA
Current - Max:	10A
Voltage - Max:	15V
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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PTC Resettable Fuses

PTC (posistor-transistor-controlled) Resettable Fuse is a solid state device that provides fast, reliable protection against over current and over temperature conditions. It is a two-terminal device with a small heated element and a set of resistors that provide current protection in the event of an overload. The FEMTOASMDC010F/15-2 is a PTC resettable fuse specifically designed to provide overcurrent and over temperature protection for a variety of applications ranging from automotive to consumer electronics, industrial products, and medical applications.

Application Field and Working Principle

The FEMTOASMDC010F/15-2 is typically used in automotive, consumer electronics, industrial, and medical applications. Examples of typical applications include circuit protection of motor controllers, charging systems, audio outputs, and high voltage and current input systems. The device is suitable for both AC and DC applications, and its low current threshold ensures that it responds quickly to current overloads.The FEMTOASMDC010F/15-2 PTC Resettable Fuse operates by sensing the electrical current flowing through a circuit and responding to the changes. When the currents within the circuit pass the overcurrent threshold level, the PTC Resettable Fuse will detect the increase in current and activate its protection mechanism. The PTC Resettable Fuse then works to limit the current to a safe level by dissipating the excess energy and preventing any potential catastrophic overload of the system.The PTC Resettable Fuse features a removable element and an external set of resistors that interact with a silicon-controlled rectifier to enable a quick recovery time and shutting off of the current upon overcurrent conditions. A temperature sensor and a bi-directional input signal can also be integrated into the circuit for more accurate and sensitive temperature and current measurements.The FEMTOASMDC010F/15-2 PTC Resettable Fuse is composed of a single chip element that can be used in various configurations depending on the desired protection level. The PTC element consists of a fine wire that acts as a heat dissipating element and is connected to a small heating element. The heating element is monitored by a small temperature sensor to detect when temperatures reach levels beyond the device’s safety threshold and therefore triggering the overcurrent and over temperature protection features.

Advantages

The FEMTOASMDC010F/15-2 PTC Resettable Fuse offers a number of advantages compared to legacy systems. These include a faster response time, more sensitive current sensing, a more reliable device, and a low failure rate with a longer life span. The resettable fuse is also much more cost-effective than other solutions, as it can be reset numerous times and still deliver reliable protection. The device also features an input signal and temperature sensor for finer control and protection, making it ideal for more sensitive and hazardous applications.

Disadvantages

One potential drawback of the FEMTOASMDC010F/15-2 PTC Resettable Fuse is the cost of the device. Although it provides a more cost-effective solution compared to other solutions, it is still more expensive than alternative fuse solutions. Additionally, the device is relatively fragile and can easily be damaged if it is subject to physical shocks or forces. Additionally, the device can be unreliable if the set current and temperature limits are not observed.

Conclusion

The FEMTOASMDC010F/15-2 PTC Resettable Fuse is a suitable solution for applications requiring fast and reliable protection against current and temperature overloads. The device can be used in a wide range of applications including automotive, consumer electronics, industrial, and medical applications. The device also offers a number of advantages over legacy systems, including a faster response time, more reliable device, and a low failure rate with a longer life span. However, the device is relatively expensive, can be damaged easily, and can be unreliable if the set current and temperature limits are not observed.

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