SMBJ28CA-TR

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SMBJ28CA-TR

TVS DIODE 28VWM 45.4VC SMB

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規格

Supplier STMicroelectronics
Package Tape & Reel (TR),Cut Tape (CT)
Series SMBJ, TRANSIL™
ProductStatus Active
Type Zener
BidirectionalChannels 1
Voltage-ReverseStandoff(Typ) 28V
Voltage-Breakdown(Min) 31.1V
Voltage-Clamping(Max)@Ipp 45.4V
Current-PeakPulse(10/1000µs) 13.8A
Power-PeakPulse 600W
PowerLineProtection No
Applications General Purpose
OperatingTemperature -55°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case DO-214AA, SMB

概述

Description

SMBJ28CA-TR is a bidirectional transient-voltage-suppressor (TVS) diode in an SMB package (DO-214AA). It protects circuits from high-voltage transients on lines up to about 28 V. The CA suffix indicates bidirectional operation; -TR means tape-and-reel packaging for automated assembly. Key specs (typical): ~600 W peak pulse power (10/1000 µs), Vrwm around 28 V, clamping voltage dependent on surge current, and very low off-state leakage with a few pF of capacitance. Applications include protecting automotive, telecom, power-supply, and data lines and rails from ESD and surges. For exact numbers and tolerances, consult the manufacturer’s datasheet.

Features

Here are the typical features of the SMBJ28CA-TR:
- Bidirectional transient voltage suppressor (TVS) diode (SMBJ series)
- Stand-off voltage (VRWM): 28 V
- Peak pulse power: 600 W (10/1000 µs)
- Very fast response time for surge/ESD protection
- Package: SMB (DO-214AB), with tape & reel packaging (-TR)
- Wide operating temperature range (commonly -55°C to +150°C)
- High surge capability with low leakage in normal operation
- RoHS compliant; suitable for automotive/industrial protection applications
- Typical applications: protect DC power rails, communication/data lines, and signal interfaces from transient overvoltage events
Note: Exact clamping voltage and datasheet tolerances vary by lot; refer to the manufacturer’s datasheet for precise numbers.

Package

SMBJ28CA-TR uses the SMBJ (DO-214AA) surface-mount package. The “CA” denotes bidirectional, and “-TR” indicates Tape & Reel packaging.

Pinout

- Pin count: 2 terminals.
- Function: SMBJ28CA-TR is a 28V bidirectional transient-voltage-suppressor (TVS) diode in SMB package, used to clamp voltage spikes for surge/ESD protection.

Manufacturer

- Manufacturer: Littelfuse.
- What kind of company: A multinational American electronics manufacturer specializing in circuit protection devices (fuses, TVS diodes, surge protectors, etc.).

Application

- Automotive 24–28 V electrical systems
- Industrial control equipment and power supplies
- Telecom and networking gear
- 28 V data lines and interfaces
- Solar/battery storage and energy-management circuits

Equivalent

Common cross references for the 28 V SMBJ TVS in the SMBJ package (bidirectional) include:
- Littelfuse SMBJ28CA-TR (original)
- Vishay SMBJ28CA
- ON Semiconductor SMBJ28CA
- ProTek Devices SMBJ28CA
- Bourns SMBJ28CA
Note: packaging suffixes (e.g., -TR) may differ by vendor; verify exact mechanical/reel details when ordering.

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