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Littelfuse Inc. 5KP1 Series

121 variants · Littelfuse Inc.

About the Littelfuse Inc. 5KP1 Series

The Littelfuse Inc. 5KP1 Series series groups 121 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common applications of General Purpose, capacitance @ frequency of - and case of P600, Axial. Variants differ by current - peak pulse (10/1000μs), operating temperature and package, so you can match the exact current - peak pulse (10/1000μs) your application requires using the selection guide below.

Select a variant by

Current - peak pulse (10/1000μs)
17.5A · 18.5A · 19.7A · 21A · 26.4A · 209A · 237.2A · 280.2A
Operating temperature
-55°C ~ 175°C (TA) · -55°C ~ 175°C (TJ) · -55°C~175°C(TA) · -55°C~175°C(TJ)
Package
Bulk · Tape & Reel (TR) · Tape & Reel (TR) Cut Tape (CT) · Tape & Reel (TR); Cut Tape (CT)
Voltage - breakdown
12.2V · 14.4V · 16.7V · 133V · 167V · 178V · 189V · 200V
Voltage - clamping (Max) @ ipp
18.2V · 21.5V · 24.4V · 193V · 243V · 259V · 275V · 292V
Voltage - reverse standoff
11V · 13V · 15V · 120V · 150V · 160V · 170V · 180V

Shared specifications

Applications
General Purpose
Capacitance @ frequency
-
Case
P600, Axial
Mounting
Through Hole
Power - peak pulse
5000W (5kW)
Power line protection
No
Type
Zener

Variant comparison

Parameter5KP11A5KP11A-HRA5KP11CA-B5KP120A5KP120A-HRA5KP13CA-HRA
Current - peak pulse (10/1000μs)280.2A280.2A280.2A26.4A26.4A237.2A
Operating temperature-55°C~175°C(TJ)-55°C ~ 175°C (TA)-55°C~175°C(TJ)-55°C ~ 175°C (TJ)-55°C~175°C(TA)-55°C~175°C(TA)
PackageTape & Reel (TR); Cut Tape (CT)Tape & Reel (TR)BulkTape & Reel (TR) Cut Tape (CT)Tape & Reel (TR)Tape & Reel (TR)
Voltage - breakdown12.2V12.2V12.2V133V133V14.4V
Voltage - clamping (Max) @ ipp18.2V18.2V18.2V193V193V21.5V
Voltage - reverse standoff11V11V11V120V120V13V

Request a quote on any Littelfuse Inc. 5KP1 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants