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SMBJ22CA
+NomenclatureTVS DIODE 25.7VWM 35.5VC DO214AA
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FabricantRectron États - Unis
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Pièce fabricant #SMBJ22CA
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Fiche technique SMBJ22CA DataSheet
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Package DO-214AA, SMB
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En stock5054
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Spécifications
| Attribut | Valeur |
| Supplier | Rectron USA |
| Package | Tape & Reel (TR) |
| Series | SMBJ |
| ProductStatus | Active |
| Type | Zener |
| BidirectionalChannels | 1 |
| Voltage-ReverseStandoff(Typ) | 25.7V |
| Voltage-Clamping(Max)@Ipp | 35.5V |
| Power-PeakPulse | 600W |
| Applications | General Purpose |
| OperatingTemperature | -55°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | DO-214AA, SMB |
Présentation
Description
The "22" refers to its stand-off voltage of 22 volts, meaning it is designed to protect circuits up to this voltage level. The "CA" at the end of the designation indicates that it is a bidirectional device, capable of clamping voltage spikes of either polarity. This makes it suitable for protecting AC signals or circuits where voltage can swing both positive and negative. The device is typically used in applications like telecommunications, industrial electronics, and consumer electronics where robust protection against transient events is crucial. Overall, the SMBJ22CA helps maintain the reliability and longevity of electronic systems by preventing voltage-induced damage.
Equivalent
Features
1. Breakdown Voltage: The diode has a breakdown voltage of 22V.
2. Power Dissipation: It can handle a peak pulse power dissipation of 600W when tested at a specified waveform (10/1000µs).
3. Bidirectional Clamping: The "CA" designation indicates that this TVS diode is bidirectional, meaning it can clamp voltage spikes in both the positive and negative directions.
4. Package Type: It comes in a DO-214AA (SMBJ) package, which is surface-mountable, making it suitable for compact and automated circuit board designs.
5. Response Time: The diode features a fast response time, typically less than 1 picosecond from 0V to BV for unidirectional types, ensuring rapid protection against voltage spikes.
6. Low Leakage Current: It has a low leakage current, which reduces power consumption in normal operating conditions.
These features make the SMBJ22CA ideal for protecting voltage-sensitive components in a variety of electronic applications.
Pinout
In terms of pin count, the SMBJ22CA has two terminals, which are the anode and cathode. These two leads are used to connect the device in parallel with the circuit that needs protection.
Functionally, the SMBJ22CA clamps voltage spikes to a safe level, thus preventing damage to the components in the circuit. It is designed to protect against transient overvoltage events, offering a breakdown voltage around 22 volts in both directions. It is housed in a DO-214AA (SMB) package, which is compact and suitable for surface mounting on PCBs.
Its primary function is to absorb and dissipate transient energy, providing a reliable defense against electrostatic discharge (ESD), power surges, and other voltage anomalies that could potentially harm electronic circuits.
Manufacturer
Littelfuse serves various sectors, including automotive, industrial, consumer electronics, and telecommunications. The company has a strong focus on innovation and technology development, which has allowed it to maintain a significant presence within the electronics industry.
The SMBJ22CA itself is a type of Transient Voltage Suppressor (TVS) diode, used to protect electronic circuits from voltage spikes. It is designed to absorb sudden surges in voltage, thus preventing potential damage to sensitive electronic components.
Application
1. Telecommunications: Protects networking and communication equipment from electrical surges.
2. Consumer Electronics: Used in devices like TVs and smartphones to safeguard against voltage fluctuations.
3. Industrial Equipment: Offers protection for sensitive control systems and machinery.
4. Automotive Electronics: Shields automotive circuits from load dump and other surge events.
5. Power Supplies: Ensures the stability and longevity of power supply components by clamping overvoltage conditions.
These devices are crucial in enhancing the durability and reliability of electronic systems across various industries.