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Littelfuse Inc. S400 Memory Series

2 variants · Littelfuse Inc.

About the Littelfuse Inc. S400 Memory Series

The Littelfuse Inc. S400 Memory 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 case of TO-252-3, DPak (2 Leads + Tab), SC-63, current - gate trigger (Igt) of 15 mA and current - hold (Ih) of 30 mA. Variants differ by current - on state (It (AV)) and current - on state (It (RMS)), so you can match the exact current - on state (It (AV)) your application requires using the selection guide below. All listed Littelfuse Inc. S400 Memory Series part numbers are active and orderable.

Select a variant by

Current - on state (It (AV))
3.8 A · 5.1 A
Current - on state (It (RMS))
6 A · 8 A

Shared specifications

Case
TO-252-3, DPak (2 Leads + Tab), SC-63
Current - gate trigger (Igt)
15 mA
Current - hold (Ih)
30 mA
Current - non rep. surge 50, 60Hz
83A, 100A
Current - off state
10 µA
Mounting
Surface Mount
Operating temperature
-40°C ~ 125°C
Package
Tape & Reel (TR); Cut Tape (CT)
SCR type
Standard Recovery
Voltage - gate trigger (Vgt)
1.5 V
Voltage - off state
400 V
Voltage - on state (Vtm)
1.6 V

Variant comparison

ParameterS4008DRPS4006DRP
Current - on state (It (AV))5.1 A3.8 A
Current - on state (It (RMS))8 A6 A

Request a quote on any Littelfuse Inc. S400 Memory Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants