1210L035YR Circuit Protection

Resistance - Initial (Ri) (Min):	320 mOhms
Approvals:	cURus, TUV
Lead Spacing:	--
Thickness (Max):	0.033" (0.85mm)
Height - Seated (Max):	--
Size / Dimension:	0.127" L x 0.102" W (3.22mm x 2.58mm)
Package / Case:	1210 (3225 Metric), Concave
Mounting Type:	Surface Mount
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	1.3 Ohms
Series:	POLY-FUSE®, 1210L
Time to Trip:	200ms
Current - Trip (It):	700mA
Current - Hold (Ih) (Max):	350mA
Current - Max:	100A
Voltage - Max:	6V
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 resettable fuses provide a cost-effective, reliable alternative to traditional one-time thermal fuses. The devices automatically reset after reduced electrical current, allowing them to be used in applications where safe, repetitive operation is needed. Resettable fuses also eliminate the need to replace fuses periodically, thereby improving maintenance efficiency.The PTC resettable fuse, model 1210L035YR, is a self-resetting, miniaturized over-current protection device. It provides users with fast-acting, primary protection in difficult to access locations, and is capable of both AC and DC over-current protection.This particular device is made of robust and stable resistance material, and has a high surge capability. The maximum operating temperature range is from -40°C to +85°C, making it suitable for most typical applications. The device can provide both normal and latching protection, with latching protection automatically preventing power from being applied if an over-current is detected.The 1210L035YR can be used in various industrial control and consumer electronics applications, including motor control circuits, air conditioners, computers, and navigation systems. It is ideal for applications that require rapid, accurate response to over-current conditions.The primary advantages of utilizing this device are:1. It has a low resistance value, which lowers standby power consumption.2. The device is self resetting and can be used for regular and repeatable operations with no need to replace the fuse periodically.3. The device has a very fast response time, thus providing accurate protection against over-current conditions.4. It has a high surge capability, allowing it to withstand short-term over-current conditions without damage.The working principle of the 1210L035YR consists of heat-sensitive material that monitors current flow. When excessive current is detected, the fuse heats up, causing a decrease in electrical conductivity and therefore, protection against the overload associated with the current. This material then cools down to its original temperature, allowing the device to reset and become ready for use again.In summary, the 1210L035YR is a PTC resettable fuse specifically designed for low-cost, reliable over-current protection in even the most difficult to access locations. It is ideal for applications where fast response time and low-level, repeatable protection are essential, such as motor control circuits, air conditioners, computers, and navigation systems. Its primary advantages are its low resistance value, fast response time, high surge capability, and self-resetting operation.

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