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Littelfuse 2011 Series

2 variants · Littelfuse

About the Littelfuse 2011 Series

The Littelfuse 2011 Series series groups 2 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common mounting of Socket, output signal of Relay and package of Bulk. Variants differ by delay time, so you can match the exact delay time your application requires using the selection guide below. All listed Littelfuse 2011 Series part numbers are active and orderable.

Select a variant by

Delay time
Fixed, 2 Sec, 4 Sec · Fixed, 4 Sec

Shared specifications

Mounting
Socket
Output signal
Relay
Package
Bulk
Product type
Voltage Sensing AC
Supply voltage
95 to 120VAC
Temp operating max
70 °C
Temp operating min
-40 °C

Variant comparison

Parameter201-100-DPDT201-100-SP-DPDT
Delay timeFixed, 2 Sec, 4 SecFixed, 4 Sec

Request a quote on any Littelfuse 2011 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants