46211600000 Fuses - 462 Series - NANO<sup>®2</sup> 250V UMF Time-Lag Miniature Fuse

Part Number: 46211600000

Technology: Fuses

Series: 462

462 Series Data Sheet
Littelfuse_Fuse_462.pdf
(202,254 bytes)
Last Uploaded: March 08, 2010

462 Series - NANO^®2 250V UMF Time-Lag Miniature Fuse

The 462 series NANO^®2 SMF has time-lag current characteristics with interrupting ratings rated at 250V and 350V. It complies with IEC Publication IEC 60127-4 Universal Modular Fuse-Links.

Features:

Heat resistant plastic housing, UL 94 V-0

Designed for line or low voltage applications

Low Voltage drop

Internationally approved

High pulse resistance

Compaitable with lead-free solders and higher temperature profiles

Available in ratings of 500mA to 5A

Applications

Lighting ballast

AC/DC adaptor primary protection

Transformerless AC/DC converter circuits

High DC voltage power distribution system

Help	Property	Value
It is established by Littelfuse as a value of current which the fuse, fuseholder, fuse clip or other fuse accessory can carry, based on a controlled set of test conditions. Close Info	Ampere Rating (A)	1.6
The maximum RMS AC voltage and/or the maximum DC voltage at which the fuse is designed to operate. For example, fuses rated at 600 volts and below may be applied at any voltage less than their rating. There is no rule for applying AC fuses in DC circuits such as applying the fuse at half its AC voltage rating. Fuses used on DC circuits must have DC ratings. Close Info	VDC (V)	250
The maximum rms AC voltage and/or the maximum DC voltage at which the fuse is designed to operate. For example, fuses rated at 600 volts and below may be applied at any voltage less than their rating. There is no rule for applying AC fuses in DC circuits such as applying the fuse at half its AC voltage rating. Fuses used on DC circuits must have DC ratings. Close Info	VAC (V)	250
Refers to how rapidly the fuse responds to various current overloads. Fuse characteristics can be classified into three general categories: very fast-acting, fast-acting or Slo-Blo® (time delay)fuse. The distinguishing feature of Slo-Blo fuses is that these fuses have additional thermal inertia (surge withstand) designed to tolerate normal initial or start-up overload pulse. Close Info	Opening	Slo-Blo®/Time Lag (T)/Time Delay
Package Size/Form Factor Close Info	Package Size	10.5 x 4.45mm
RMS Surge (Non-repetitive) On-state Fusing Current- Measure of let-through energy in terms of current and time for fusing purposes. Close Info	Nominal Melting I²T (A²sec)	9.7
Cold resistance is the resistance obtained using a measuring current of no more than 10% of the fuse's nominal rated current. The factory should be consulted if this parameter is critical to the design in question. Close Info	Nominal Cold Resistance (Ohms)	0.0443
Close Info	Interrupt Rating	100A@350VAC
Close Info	Interrupt Rating	100A@350VDC
Close Info	Interrupt Rating	150A@250VDC
Close Info	Interrupt Rating	150A@250VAC
The part of a fuse enclosing the fuse elements and supporting the contacts. Body is also referred to as cartridge, tube, or case. Close Info	Body	Plastic
Color or Alpha-Numeric code used to define the amp rating of the device for ease-of-maintenance and quality checks. Close Info	Marking Code	T1.6A 462 L 250V

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Electrical Characteristics

Design Support

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