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Littelfuse TSD7 Series

8 variants · Littelfuse

About the Littelfuse TSD7 Series

The Littelfuse TSD7 Series series groups 8 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common mounting of Chassis Mount, package of Bulk and timing initiate method of Input Voltage. 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.

Select a variant by

Delay time
1 Min to 100 Min · 1 Sec to 100 Sec · Fixed, 1 Sec · Fixed, 2 Sec · Fixed, 120 Sec · Fixed, 180 Sec
Supply voltage
120 VAC · 230 VAC
Timing adjustment method
External Resistor · Fixed

Shared specifications

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

Variant comparison

ParameterTSD7412STSD7421TSD761180STSD7621TSD7424TSD7611S
Delay timeFixed, 2 Sec1 Sec to 100 SecFixed, 180 Sec1 Sec to 100 Sec1 Min to 100 MinFixed, 1 Sec
Supply voltage120 VAC120 VAC230 VAC230 VAC120 VAC230 VAC
Timing adjustment methodFixedExternal ResistorFixedExternal ResistorFixedFixed

Request a quote on any Littelfuse TSD7 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants