1210L150THWR

Resistance - Initial (Ri) (Min):	40 mOhms
Approvals:	cURus, TUV
Lead Spacing:	--
Thickness (Max):	0.042" (1.07mm)
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):	110 mOhms
Series:	POLY-FUSE®, 1210L
Time to Trip:	300ms
Current - Trip (It):	3A
Current - Hold (Ih) (Max):	1.5A
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, also known as Polymeric Positive Temperature Coefficient Resettable Fuses, are electronic components used to protect circuits from overload and over-current. They use an integrated polymeric Positive Temperature Coefficient (PTC) device connected in series with the circuit to be protected.
When the current in the protected circuit increases beyond a certain level, the PTC device increases its temperature until it activates, at which point the current is limited to a safe level. After the device has cooled down, it will reset and resume full current flow. This process allows for continued use of the circuit without any other intervention.
The 1210L150THWR application field is suitable for surface mount applications. It uses a small size of just 1210, and is suitable for a wide range of DC power systems such as consumer electronics, computers and peripherals, telecommunications, instrumentation and automotive applications. Furthermore, the device features Low Temperature Coefficient (LTC) for easy power up over a wide temperature range, and low voltage drop for high power applications.
The working principle of the 1210L150THWR is based on its integrated Polymeric Positive Temperature Coefficient (PTC) device. This device is connected in series with the circuit to be protected, and it uses the self-regulating characteristic of Polymeric PTC materials. When the current in the protected circuit increases beyond a certain level, the PTC device increases its temperature until it activates, limiting the current to a safe level. Once the device has cooled down, it will reset and resume full current flow. This process allows for continued use of the circuit without any other intervention.
The 1210L150THWR is an excellent device for those applications where fast response to an over-current condition and reset capability are needed. This device offers an outstanding low resistance value around 0.07 Ω at 25°C, a current rating of 150A, and a voltage rating of 32V. It is also highly stable over a wide temperature range, from -40°C to +125°C. Additionally, the device includes a lead-free Sn/Pb termination, assuring reliability and allowing for a RoHS 6/6 compliant design.
In summary, the 1210L150THWR is a Polymeric Positive Temperature Coefficient Resettable Fuse that is suitable for surface mount applications. It has an excellent low resistance value while handling up to 150A and 32V. The device also offers fast response to an over-current condition and reset capability, as well as a wide temperature range and lead-free Sn/Pb termination, making it the perfect choice for many applications.

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