The 1KSMB series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. 1.5 kW 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 30 kV (Air), 30 kV (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%)
Manufacturer: Littelfuse Inc.
Win Source Part Number: 1001963-1KSMB33A
Packaging: Reel - TR
Type: Zener
Applications: General Purpose
Mounting: SMD (SMT)
Unidirectional Channels: 1
Categories: Circuit Protection
Status: Active
Temperature Range - Operating: -55°C to 150°C (TJ)
Case / Package: DO-214AA (SMBJ)
STAND-OFF Voltage (Vwm): 28.2V
Minimum Breakdown Voltage: 31.4V
Max Clamping Voltage: 45.7V
Peak Pulse Current(Ippm): 21.9A
Power Dissipation - Pd: 1000W (1kW)
Popularity: Medium
Fake Threat In the Open Market: 94 pct.
Supply and Demand Status: Sufficient
TVS Diode 1kW 28.2V Unidirectional SMB Product overview: 1KSMB33A from Littelfuse is a TVS Protection Diode for ESD protection, surge suppression, transient voltage clamping, communication ports, and industrial electronics. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include TVS, 28.2V. Search-friendly keywords include TVS diode, ESD protection, surge suppression, transient voltage, TVS, 28.2V, TVS Protection Diode, TVS Diodes. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 144-1KSMB33A can be used for catalog matching and distributor lookup.
45.7V Clamp 21.9A Ipp Tvs Diode Surface Mount DO-214AA (SMBJ)
45.7V Clamp 21.9A Ipp Tvs Diode Surface Mount DO-214AA (SMBJ)
45.7V Clamp 21.9A Ipp Tvs Diode Surface Mount DO-214AA (SMBJ)
TVS DIODE, UNIDIR, 28.2V, DO-214AA ROHS COMPLIANT: YES
TVS DIODE 28.2VWM 45.7VC DO214AA
TVS DIODE 28.2VWM 45.7VC DO214AA
| Littelfuse, Inc. | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | DigiKey | Newark, An Avnet Company | ODG (Origin Data Global) | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|
| Product Category | Transient Voltage Suppressor Diodes (TVS) | Transient Voltage Suppressor Diodes (TVS) | Transient Voltage Suppressor Diodes (TVS) | Transient Voltage Suppressor Diodes (TVS) | Transient Voltage Suppressor Diodes (TVS) | Transient Voltage Suppressor Diodes (TVS) | Transient Voltage Suppressor Diodes (TVS) |
| Product Number | 1KSMB33A | 1001963-1KSMB33A | 144-1KSMB33A | F11450TR-ND | 29AK9564 | 1KSMB33A | 1KSMB33A |
| Product Name | 1000W Surface Mount Transient Voltage Suppression (TVS) Diode - 1KSMB Series | TVS - TVS - Diodes - 1KSMB33A | 28.2V TVS Protection Diode | TVS Diodes | Tvs Diode, Unidir, 28.2V, Do-214Aa Rohs Compliant Littelfuse | TVS Diodes | Circuit Protection - Transient Voltage Suppressors (TVS) - TVS Diodes |
| RoHS Compliant | RoHS | RoHS | RoHS | ||||
| VC | 45.7 volts | 45.7 volts | 45.7 volts | 45.7 volts | 45.7 volts | ||
| VBR | 31.4 to 34.7 volts | 31.4 volts | 31.4 volts | 31.4 volts | 31.4 volts | ||
| Package | SMB; DO-214AA (SMBJ) | Tape and Reel | SMB; DO-214AA, SMB | SMB; DO-214AA, SMB | SMB; DO-214AA (SMBJ) | ||
| VWM | 28.2 volts |
