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TPSMF4L28A
+NomenclatureTVS DIODE 28VWM 45.4VC SOD123FL
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FabricantLittelfuse sa.
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Pièce fabricant #TPSMF4L28A
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Fiche technique TPSMF4L28A DataSheet
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Package SOD-123F
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En stock5356
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q101, TPSMF4L |
| ProductStatus | Active |
| Type | Zener |
| UnidirectionalChannels | 1 |
| Voltage-ReverseStandoff(Typ) | 28V |
| Voltage-Breakdown(Min) | 31.1V |
| Voltage-Clamping(Max)@Ipp | 45.4V |
| Current-PeakPulse(10/1000µs) | 8.8A |
| Power-PeakPulse | 400W |
| PowerLineProtection | No |
| Applications | Automotive |
| OperatingTemperature | -55°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | SOD-123F |
Présentation
Description
Key features of the TPSMF4L28A include a low quiescent current, which helps in power-saving applications, and a fast transient response, ensuring stable operation even when there are sudden changes in load current. Its small form factor and high efficiency make it suitable for portable and battery-powered devices. The device usually incorporates protection mechanisms such as overcurrent protection and thermal shutdown to enhance reliability and protect against component damage.
Equivalent
1. Littelfuse SMAJ28A
2. ON Semiconductor 1SMB28AT3G
3. Vishay SMA6J28A
4. Bourns SMAJ28CA
These components offer similar voltage clamping capabilities and package sizes, making them suitable substitutes in applications requiring transient voltage suppression. Always ensure the chosen equivalent meets the specific requirements of your application.
Features
1. Breakdown Voltage: A nominal breakdown voltage typically around 28V.
2. Power Rating: Capable of handling high peak pulse power dissipation, often specified at 400W or more.
3. Low Clamping Voltage: Provides a low clamping voltage to protect downstream components effectively.
4. Response Time: Fast response time to transient events, typically in the picosecond range.
5. Reverse Standoff Voltage: Designed for applications needing a reverse standoff voltage around 28V.
6. Package: Surface-mount package, which allows for compact and efficient board designs.
7. Polarity: Available in uni-directional and bi-directional configurations.
8. Automotive and Industrial Use: Suitable for applications in automotive and industrial environments due to its robust design.
These features make the TPSMF4L28A ideal for safeguarding circuits in various demanding applications.
Pinout
The two pins are as follows:
1. Anode (A): This is the positive side of the diode.
2. Cathode (K): This is the negative side, often indicated by a line on the diode body.
The primary function of the TPSMF4L28A is to clamp overvoltage to a safe level, thereby protecting downstream components from damage. This device is commonly used in various applications requiring robust protection against voltage spikes and surges.
Manufacturer
Application
1. Automotive Electronics: Protects vehicle electronic circuits from voltage transients induced by load dump and other switching activities.
2. Consumer Electronics: Safeguards devices like TVs, gaming consoles, and home appliances from electrical surges.
3. Industrial Equipment: Shields industrial control systems and machinery from electrical noise and transients.
4. Telecommunications: Protects network equipment and communication devices from electrical disturbances.
5. Data Centers: Ensures the integrity of data and power lines against transient events.
These applications leverage its ability to clamp excessive voltage and protect downstream components.