SMAJ30A

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SMAJ30A

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TVS DIODE 35.1VWM 48.4VC DO214AC

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Spezifikationen

Attribut Wert
Package Tape & Reel (TR)
Series SMAJ
ProductStatus Active
Type Zener
UnidirectionalChannels 1
Voltage-ReverseStandoff(Typ) 35.1V
Voltage-Clamping(Max)@Ipp 48.4V
Power-PeakPulse 400W
Applications General Purpose
OperatingTemperature -55°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case DO-214AC, SMA

Übersicht

Description

The SMAJ30A is a 30V bidirectional TVS diode designed to protect sensitive electronics from transient voltage spikes (like ESD, lightning, or inductive load switching). Key features:
- Bidirectional clamping: Protects against both positive and negative surges.
- Peak pulse power: 400W (8/20μs waveform).
- Low clamping voltage: Limits voltage to safe levels during surges.
- Fast response time: Reacts in picoseconds to divert excess energy.
- SMA/DO-214AC package: Compact and surface-mountable.
Commonly used in power supplies, communication ports, and automotive circuits for surge suppression. It ensures compliance with standards like IEC 61000-4-2/4-5.
For detailed specs, refer to the datasheet (e.g., from Vishay or Littelfuse).

Features

The SMAJ30A is a 30V bidirectional TVS diode designed for transient voltage suppression in sensitive electronics. Key features:
- Bidirectional protection: Safeguards against both positive and negative voltage transients.
- Peak pulse power: 400W (8/20µs pulse).
- Breakdown voltage: 33.3V min (at 1mA).
- Low clamping voltage: Limits voltage spikes effectively.
- Fast response time: <1ps to divert surges.
- RoHS compliant: Lead-free and environmentally friendly.
- SMA/DO-214AC package: Compact and surface-mountable.
Ideal for ESD protection in USB ports, power supplies, and communication lines.

Pinout

The SMAJ30A is a transient voltage suppressor (TVS) diode designed for surge protection.
- Pin Count: 2 (standard DO-214AC (SMA) package).
- Function: Protects circuits from voltage spikes by clamping excessive voltage (e.g., ESD, lightning).
- Key Parameters:
- Standoff Voltage (V₃₀A): 30V (nominal).
- Breakdown Voltage (VBR): ~33.3V (min).
- Peak Pulse Power: 400W (8/20μs pulse).
- Clamping Voltage (Vc): ~48.4V at 10A.
Used in power lines, data interfaces, and automotive systems for transient suppression.

Manufacturer

The SMAJ30A is a TVS diode (Transient Voltage Suppressor) manufactured by Littelfuse, a leading global company specializing in circuit protection, power control, and sensing technologies.
Littelfuse is a well-established American electronics manufacturer founded in 1927, known for producing high-reliability components for automotive, industrial, and consumer electronics. The SMAJ30A is part of their SMAJ series, designed to protect sensitive circuits from voltage spikes and transients.
Key points:
- Manufacturer: Littelfuse
- Type: TVS diode (SMAJ series)
- Company Profile: U.S.-based, specializes in circuit protection and power management.

Application

The SMAJ30A is a 30V TVS diode used for transient voltage suppression in various applications:
1. Electronics Protection – Safeguards sensitive components from voltage spikes in power lines, data lines, and I/O ports.
2. Automotive Systems – Protects ECUs, sensors, and infotainment systems from load dump and ESD.
3. Telecommunications – Shields communication interfaces (RS-232, USB, Ethernet) from surges.
4. Industrial Equipment – Defends PLCs, motor drives, and control systems from transient events.
5. Consumer Electronics – Used in smartphones, laptops, and IoT devices for ESD protection.
Its fast response (<1ns) and high surge capability make it ideal for ESD, lightning, and inductive load protection.

Package

The SMAJ30A is a transient voltage suppressor (TVS) diode in an SMA (DO-214AC) package. It's designed for surface-mount applications, offering surge protection up to 30V. The compact SMA package (5.2mm x 2.6mm) is widely used in circuits for ESD and transient overvoltage protection. Key features include low clamping voltage and fast response time.

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