1KSMB27 - 1KSMB Series

Series: 1KSMB
Obsolete: 2020 -12-16 Replaced By: 1KSMB27A Availability: Obsolete

Obsolete
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Disclaimer Notice

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The 1KSMB Series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.

Features:

  • Halogen-Free
  • RoHS compliant
  • For surface mounted applications to optimize board space
  • Low profile package
  • Built-in strain relief
  • Typical maximum temperature coefficient ΔVBR = 0.1% x VBR@25°C x ΔT
  • Glass passivated chip junction
  • 1000W peak pulse power capability at 10×1000μs waveform, repetition rate (duty cycles):0.01%
  • Fast response time: typically less than 1.0ps from 0V to BV min
  • Excellent clamping capability
  • Low incremental surge resistance
  • Typical IR less than 1μA above 12V
  • High Temperature soldering guaranteed: 260°C/40 seconds at terminals
  • Plastic package has Underwriters Laboratory Flammability 94V-O
  • Matte Tin Lead–free Plated
  • Available in breakdown Voltage from 6.8V to 180V specially designed for automotive applications
  • Offers High-Surge rating in compact package: bridges the gap between 600W and 1.5KW 

Property (Mouseover for details) Value
Reverse Standoff Voltage (VR) (Vso) 21.8
Watts (W) 1000
Peak Pulse Current (Ipp) 10x1000 (A) 25.5
Breakdown Voltage (MIN VBR@IT ) (V) 24.345
Breakdown Voltage (VBR@IT) (V) 29.755
Ir @Vso( μA) 1
On-State Current (IT) (mA) 1
Max Clamp Voltage (Vc) (V) 39.375
Replaced By Part Number 1KSMB27A
Operating Temperature Maximum Celsius 150
Polarity Unipolar
Package DO-214AA

URicon UR_QVGQ2_E128662

pdficon TVS Diodes 1KSMB Datasheet

The 1KSMB Series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.
pdficon Circuit Protection Technology Application Matrix

Littelfuse is the world leader in the design and manufacturing of fuses for the automotive industrial handheld computer and telecom markets...
pdficon TVS Diode Catalog

Littelfuse offers the widest range of TVS Diodes and other circuit protection products. Littelfuse TVS Diodes are ideal for protecting semiconductor components from high-voltage transients...
pdficon Circuit Protection Products Selection Guide

Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
1KSMB27 TVS Diode 1K SMB Suf MT T&R RoHS No 01/01/2005 PbFree No No
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