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Name: 1SMA5919BT3G
Brand: ON Semiconductor
SKU: 1SMA5919BT3G
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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ON Semiconductor 1SMA5919BT3G

Part No.:: 1SMA5919BT3G

Manufacturer:: ON Semiconductor

Package:: DO-214AC, SMA

Datasheet:: 1SMA5919BT3G.pdf

Description:: DIODE ZENER 5.6V 1.5W SMA

In Stock:: 2650

Quantity:: Add To Cart

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1SMA5919BT3G Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk
Series:
RoHS:
RoHS
Tolerance:
±5%
Part Status:
Active
Power - Max:
1.5 W
Mounting Type:
Surface Mount
Impedance (Max) (Zzt):
2 Ohms
Operating Temperature:
-65°C ~ 150°C
Voltage - Zener (Nom) (Vz):
5.6 V
Current - Reverse Leakage @ Vr:
2.5 µA @ 3 V
Voltage - Forward (Vf) (Max) @ If:
1.5 V @ 200 mA

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1SMA5919BT3G information

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1SMA5919BT3G Typical application Circuitry

The 1SMA5919BT3G is a Zener diode tailored for voltage regulation. Although not a chip, it is a vital component in numerous electronic circuits.

Functionality

Primarily, the 1SMA5919BT3G serves as a Zener diode, allowing a stable voltage to be maintained across its terminals when reverse-biased beyond the Zener voltage.

Application Scenarios

Among its many applications are voltage regulation in power supplies, transient voltage suppression, and signal clamping.

Parameter Features

- Zener Voltage: Approximately 5.6V

- Power Dissipation: 1.5W

- Typical Test Current: 20mA

- Operating Temperature: -55°C to +175°C

Example Circuit: Simple Voltage Regulator

Let's discuss how to create a straightforward voltage regulator circuit using the 1SMA5919BT3G.

Circuit Design Considerations

1.Resistor Selection

- Choosing an appropriate series resistor is essential. The 1SMA5919BT3G will be protected by this resistor, which will restrict the current passing through it.

2.Management of Heat

- Take into account the power dissipation of the 1SMA5919BT3G, especially if operating near its maximum ratings. Adequate heat sinks or thermal pads may be necessary.

3.Bypass Capacitor
- To improve voltage stability, a bypass capacitor may be beneficial when placed parallel to the 1SMA5919BT3G.

4.Component Tolerance

- Component tolerances, especially for the 1SMA5919BT3G and the series resistor, should be accounted for during design to ensure voltage regulation within the desired limits.

Circuit Connections

1. Input Voltage Line: Secure the anode of the 1SMA5919BT3G to the unconnected terminal of a selected series resistor. This resistor should already be connected to your input voltage source.

2. Grounding: Attach the cathode of the 1SMA5919BT3G to the circuit ground.

3. Regulated Output: Draw the regulated output from the node that connects the 1SMA5919BT3G and the series resistor. You will receive a steady voltage from this that is very close to the diode's Zener voltage.

4. Bypass Capacitor: Optionally, for better voltage regulation, link a 0.1µF capacitor in parallel with the 1SMA5919BT3G. One side should be connected to the circuit ground, and the other to the regulated output node.

By following this layout with meticulous attention to each design element, an effective voltage regulation circuit can be realized using the 1SMA5919BT3G. Every design consideration, including heat management and resistor selection, must be meticulously addressed to ensure the diode performs at its best.

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6. What is the process for return or replacement of 1SMA5919BT3G?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the 1SMA5919BT3G we delivered, we will accept the replacement or return of the 1SMA5919BT3G only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of 1SMA5919BT3G.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations