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Littelfuse

Littelfuse 021606.3 6.3A 5×20mm Fast-Acting Ceramic Fuse

Part Number: 021606.3

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Within the 216 Series, Littelfuse 021606.3 provides 6.3A protection; base catalog cartridge, with published series ratings and ordering-specific configuration.

Rated Current6.3A
Rated Voltage250 V AC
Breaking Capacity1500 A @ 250 VAC
Package5×20mm

021606.3 is the 6.3A ordering option in the Littelfuse 216 Series, using fast-acting 5×20mm ceramic fuse construction. The selected part uses base catalog cartridge. The full ordering code specifies base catalog cartridge, so package and lead details should be matched exactly. It is rated 250 V AC and the datasheet lists 1500 A @ 250 VAC interrupting capability. Nominal melting I²t is 56.43 A²s. Verify ambient derating, coordination and the exact manufacturer ordering code against the current Littelfuse datasheet before design-in.

Technical Specifications

Part Number
021606.3
Manufacturer Part Number
021606.3
Series
216 Series
Fuse Type
5×20mm Ceramic Fuse
Current Rating
6.3A
Voltage Rating
250 V AC
AC / DC
AC
Breaking Capacity
1500 A @ 250 VAC
I²t
56.43 A²s nominal melting I²t
Pre-arcing I²t
56.43
Operating Temperature
-55°C to +125°C
Package / Dimensions
5×20mm
Mounting
Cartridge / Clip
Application
Supplementary protection for appliances, utilization equipment, components and internal circuits
Standard
IEC 60127-2 · UL/CSA/NMX 248-1 and 248-14
Terminal Type
Nickel-plated brass end caps
Fuse Speed
Fast Acting (F)
Approvals
CE · CSA · RoHS · UL Recognized
Certifications
CE; RoHS; UL/CSA recognition and other approvals vary by rating/form
Package/configuration
Base catalog cartridge. Ceramic body; nickel-plated brass caps. Nominal melting I²t: 56.43 A²s. Series operating temperature: -55°C to +125°C.

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