0ZSA0420FF1E

Resistance - Initial (Ri) (Min):	12 mOhms
Approvals:	cURus, TUV
Lead Spacing:	--
Thickness (Max):	0.043" (1.10mm)
Height - Seated (Max):	--
Size / Dimension:	1.240" L x 0.522" W (31.50mm x 13.25mm)
Package / Case:	Strap
Mounting Type:	User Defined
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	40 mOhms
Series:	0ZSA
Time to Trip:	6s
Current - Trip (It):	7.6A
Current - Hold (Ih) (Max):	4.2A
Current - Max:	100A
Voltage - Max:	30V
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	--

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PTC Resettable Fuses
PTC resettable fuses (also known as polyfuses) are device-level protectors that provide over-current protection for electric circuits. In contrast to other types of fuses (such as reed-type or ceramic-type fuses), a PTC resettable fuse re-establishes circuit operation after protection has been activated. These circuit-protection devices are especially useful in sensitive, low power-level, and high-voltage applications, such as power supplies, computers, and industrial automation.

The 0ZSA0420FF1E series of PTC resettable fuses belong to a unique class of circuit protection devices. As with all PTC resettable fuses, the 0ZSA0420FF1E is designed to limit current in an over-current condition and to reset itself to a low resistance state. This series of PTC devices is characterized by low voltage drop and a wide range of hold currents, from 75mA to 6A.

The 0ZSA0420FF1E offers Voltage Range of 3V – 15V and employs a highly reliable, highly temperature compensated design which assures a consistent current-limiting characteristic. It features a wide range of operating temperature between -40°C and +125°C. This device is also RoHS Compliant.

The 0ZSA0420FF1E offers superior protection in applications where AC leakage current needs to be managed. This product is ideal for consumer and computer-related electronic devices which require optimized maximum current protection, such as motherboards, power strips, automotive panels, EMI/RFI filters, and telecom line cards.

The 0ZSA0420FF1E offers a unique combination of over-current protection and resetability, making it an ideal choice for a variety of applications. It requires a two-wire supply, one to provide the disconnect current and one to provide a reset signal. When the current level is exceeded, the device self-triggers to a high-resistance state. To reset the device, the reset pin must be momentarily shorted to ground.

The 0ZSA0420FF1E resetable fuse offers numerous advantages over traditional single-use fuses. It is fast, reliable, and resetable which prevents the need for replacement after each use. It is also more affordable, making it a popular choice for device protection. Furthermore, PTC resettable fuses can be used in combination with other protection devices for complex over- and under-voltage circuit protection.

In conclusion, the 0ZSA0420FF1E series of PTC resettable fuses is a reliable and cost-effective solution for device-level protection. It offers superior protection in a wide variety of applications with no need for replacement after use. It is also fast and reliable, making it an ideal choice for many applications.

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