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Littelfuse Inc. 15SMB Series

38 variants · Littelfuse Inc.

About the Littelfuse Inc. 15SMB Series

The Littelfuse Inc. 15SMB Series series groups 38 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common applications of Telecom, capacitance @ frequency of - and case of DO-214AA, SMB. 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. All listed Littelfuse Inc. 15SMB Series part numbers are active and orderable.

Select a variant by

Current - peak pulse (10/1000μs)
11.1A · 13.5A · 14.8A · 40.5A · 54.9A · 81.4A (8/20µs) · 108.4A (8/20µs) · 140.8A (8/20µs) · 183.2A (8/20µs)
Operating temperature
-65°C ~ 150°C (TJ) · -65°C~150°C(TJ)
Package
Tape & Reel (TR) · Tape & Reel (TR) Cut Tape (CT) · Tape & Reel (TR); Cut Tape (CT)
Voltage - breakdown
19V · 25.7V · 31.4V · 40.9V · 53.2V · 71.3V · 77.9V · 95V
Voltage - clamping (Max) @ ipp
27.7V · 37.5V · 59V · 76.6V · 99.5V · 103V · 113V · 133.1V · 137V
Voltage - reverse standoff
17.1V · 23.1V · 28.2V · 36.8V · 47.8V · 64.1V · 70.1V · 85.5V

Shared specifications

Applications
Telecom
Capacitance @ frequency
-
Case
DO-214AA, SMB
Mounting
Surface Mount
Power - peak pulse
1500W (1.5kW)
Power line protection
No
Type
Zener

Variant comparison

Parameter1.5SMB27A1.5SMB82A1.5SMB20CA1.5SMB33CA1.5SMB43CA1.5SMB56CA
Current - peak pulse (10/1000μs)40.5A13.5A54.9A183.2A (8/20µs)140.8A (8/20µs)108.4A (8/20µs)
Operating temperature-65°C~150°C(TJ)-65°C~150°C(TJ)-65°C~150°C(TJ)-65°C~150°C(TJ)-65°C ~ 150°C (TJ)-65°C~150°C(TJ)
PackageTape & Reel (TR)Tape & Reel (TR)Tape & Reel (TR)Tape & Reel (TR); Cut Tape (CT)Tape & Reel (TR) Cut Tape (CT)Tape & Reel (TR); Cut Tape (CT)
Voltage - breakdown25.7V77.9V19V31.4V40.9V53.2V
Voltage - clamping (Max) @ ipp37.5V113V27.7V59V76.6V99.5V
Voltage - reverse standoff23.1V70.1V17.1V28.2V36.8V47.8V

Request a quote on any Littelfuse Inc. 15SMB Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants