Abbildungen dienen nur als Referenz
1SMA5921BT3G
+StücklisteDIODE ZENER 6.8V 1.5W SMA
-
HerstellerOnsemi
-
Herstellerteil #1SMA5921BT3G
-
Paket DO-214AC
-
Auf Lager7209
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Voltage - Zener(Nom)(Vz) | 6.8 V |
| Tolerance | ±5% |
| Power - Max | 1.5 W |
| Impedance(Max)(Zzt) | 2.5 Ohms |
| Current - Reverse Leakage @ Vr | 2.5 µA @ 5.2 V |
| Voltage - Forward (Vf) (Max) @ If | 1.5 V @ 200 mA |
| Operating Temperature | -65°C ~ 150°C |
| Mounting Type | Surface Mount |
Übersicht
Description
Key features of the 1SMA5921BT3G include:
1. Voltage Rating: It has a Zener voltage of 6.8V.
2. Power Dissipation: The diode can handle a power dissipation of up to 3 watts, ensuring it can be used in applications requiring moderate power levels.
3. Temperature Range: It operates effectively over a wide temperature range, making it versatile for different environments.
4. Packaging: The SMA package helps in efficient heat dissipation and space-saving on PCBs.
Applications for this Zener diode include voltage regulation in power supplies, protection circuits, and various consumer electronics where stable voltage is crucial. Its reliability and efficiency make it a popular choice for designers in need of precise voltage control.
Equivalent
Features
1. Zener Voltage: It has a nominal Zener voltage of 6.8V.
2. Power Dissipation: The diode can handle a power dissipation of up to 1.5 watts.
3. Package Type: It is available in a compact SMA (Surface Mount Assembly) package, making it suitable for automated placement in high-density circuit boards.
4. Tolerance: The Zener voltage tolerance is typically around ±5%.
5. Operating Temperature: It functions effectively over a wide temperature range, typically from -65°C to +150°C.
6. Polarity: It is a unidirectional device, meaning it allows current to flow in one direction.
7. Surge Capability: The diode offers good surge current handling, making it robust against transient voltage spikes.
These features make the 1SMA5921BT3G suitable for applications requiring voltage stabilization and protection against overvoltage conditions in electronic circuits.
Pinout
Pin Count and Function:
1. Anode (Cathode Band Not Present): This pin is typically marked without a band, and it is the terminal through which conventional current enters the diode.
2. Cathode (Cathode Band Present): This pin is usually identified by a band on the package, and it is the terminal through which conventional current exits the diode.
The primary function of the 1SMA5921BT3G is to provide voltage regulation by maintaining a constant output voltage despite changes in the load current or input voltage. It achieves this by operating in the reverse breakdown region, allowing it to stabilize the voltage across its terminals.