1KSMB33CA - 1KSMB Series

Series: 1KSMB
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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 & Benefits:

  • 1500W peak pulse power capability at 10/1000μs waveform, repetition rate (duty cycles): 0.01%
  • For surface mounted applications to optimize board space
  • Low profile package
  • Typical failure mode is short from over-specified voltage or current
  • Whisker test is conducted based on JEDEC JESD201A per its table 4a and 4c
  • IEC-61000-4-2 ESD 30kV(Air), 30kV (Contact)
  • ESD protection of data lines in accordance with IEC 61000-4-2
  • EFT protection of data lines in accordance with IEC 61000-4-4
  • Built-in strain relief
  • VBR @ TJ= VBR@25°C x (1+αT x (TJ - 25))(αT:Temperature Coefficient, typical value is 0.1%)
  • Glass passivated chip junction
  • 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 when VBR max>12V
  • High temperature to reflow soldering guaranteed: 260°C/40sec
  • Plastic package is flammability rated V-0 per Underwriters Laboratories
  • Meet MSL level1, per J-STD-020, LF maximum peak of 260°C
  • 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
  • Halogen free and RoHS compliant
  • Pb-free E3 means 2nd level interconnect is Pb-free and the terminal finish material is tin(Sn) (IPC/JEDEC J-STD-609A.01)

Applications:

TVS devices are ideal for the protection of I/O Interfaces, VCC bus and other vulnerable circuits used in Telecom, Computer, Industrial and Consumer electronic applications.

Check Stock Order Samples
Property (Mouseover for details) Value
Reverse Standoff Voltage (VR) (Vso) 28.2
Watts (W) 1000
Peak Pulse Current (Ipp) 10x1000 (A) 21.9
Breakdown Voltage (MIN VBR@IT ) (V) 31.4
Breakdown Voltage (VBR@IT) (V) 34.7
Ir @Vso( μA) 1
On-State Current (IT) (mA) 1
Max Clamp Voltage (Vc) (V) 45.7
Partner ECAD Models 1KSMB33CA
Operating Temperature Maximum Celsius 150
Polarity Bipolar

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.
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
1KSMB33CA TVS Diode 1K SMB Suf MT T&R RoHS No 01/01/2005 PbFree No Yes
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