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Littelfuse TSDS Series

4 variants · Littelfuse

About the Littelfuse TSDS Series

The Littelfuse TSDS Series series groups 4 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 Chassis Mount, package of Bulk and timing initiate method of Input Voltage, Trigger Signal. Variants differ by delay time, supply voltage and timing adjustment method, so you can match the exact delay time your application requires using the selection guide below. All listed Littelfuse TSDS Series part numbers are active and orderable.

Select a variant by

Delay time
0.1 Sec to 10 Sec · 1 Sec to 100 Sec · Fixed, 10 Sec
Supply voltage
24 VAC · 24 VDC · 120 VAC
Timing adjustment method
External Resistor · Fixed

Shared specifications

Mounting
Chassis Mount
Package
Bulk
Timing initiate method
Input Voltage, Trigger Signal
Type
Solid State Relay

Variant comparison

ParameterTSDS2110STSDS321PTSDS320NTSDS421
Delay timeFixed, 10 Sec1 Sec to 100 Sec0.1 Sec to 10 Sec1 Sec to 100 Sec
Supply voltage24 VAC24 VDC24 VDC120 VAC
Timing adjustment methodFixedExternal ResistorExternal ResistorExternal Resistor

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

All variants