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Name: STPS340U
Brand: STMicroelectronics
SKU: STPS340U
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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STMicroelectronics STPS340U

Part No.:: STPS340U

Manufacturer:: STMicroelectronics

Package:: DO-214AA, SMB

Datasheet:: STPS340U.pdf

Description:: DIODE SCHOTTKY 40V 3A SMB

In Stock:: 2263

Quantity:: Add To Cart

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STPS340U Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
RoHS:
RoHS
Speed:
Fast Recovery =< 500ns, > 200mA (Io)
Diode Type:
Schottky
Part Status:
Active
Mounting Type:
Surface Mount
Capacitance @ Vr, F:
-
Reverse Recovery Time (trr):
-
Current - Reverse Leakage @ Vr:
20 µA @ 40 V
Voltage - DC Reverse (Vr) (Max):
40 V
Current - Average Rectified (Io):
3A
Operating Temperature - Junction:
150°C (Max)
Voltage - Forward (Vf) (Max) @ If:
630 mV @ 3 A

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STPS340U information

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STPS340U Typical application Circuitry

STPS340U

The STPS340U is a Schottky barrier diode, a semiconductor device known for its low forward voltage drop and fast switching capabilities. It is not a complex integrated circuit (IC) but a discrete component widely used in electronic circuits for efficient power rectification and high-speed operation.

Application Scenarios

1. Switched-Mode Power Supplies (SMPS): Utilized in the rectification stage for efficient voltage conversion.

2. Voltage Clamping: Employed to protect sensitive electronics from voltage spikes.

3. Polarity Protection Circuits: Integrated into circuits to prevent damage from reverse voltage connections.

Parameter Features

- Voltage Rating: Designed to handle a maximum reverse voltage of 40V, suitable for various power applications.

- Forward Current: Can conduct forward currents efficiently, ideal for medium power scenarios.

- Thermal Characteristics: Capable of operating effectively across a range of temperatures.

Circuit Design Example: SMPS Rectification

Objective: Implement the STPS340U in an SMPS for a consumer electronic device.

Circuit Description and Components:

1. AC Input Connection:

- Connect the AC input line to the Anode (Pin 1) of the STPS340U.

- Ensure this connection is well insulated and securely fitted to handle alternating current.

2. Rectified DC Output:

- Attach the Cathode (Pin 2) to the input of the DC filtering stage in the SMPS.

- This connection should be efficient in transferring the rectified current without significant losses.

3. Snubber Circuit for Protection:

- Include a snubber circuit across the STPS340U diode to protect against voltage spikes and enhance reliability.

- This typically consists of a resistor-capacitor (RC) network.

4. Heat Management:

- If the SMPS operates at high power, a heat sink may be necessary to dissipate heat efficiently.

Design Considerations:

- The AC input voltage should not exceed the diode's maximum reverse voltage rating.

- The expected power load should align with the diode's forward current capabilities.

- Optimize the PCB layout to reduce parasitic inductance and enhance the efficiency of the diode.

- Assess the need for additional cooling, especially if the SMPS operates at high power levels.

In summary, the STPS340U Schottky barrier diode is crucial in applications like SMPS for efficient power rectification. When designing circuits with this diode, careful consideration should be given to voltage and current specifications, PCB layout for efficiency, thermal management, and protective measures against voltage spikes. This ensures operational efficacy and adaptability in sophisticated electronic systems.

STPS340U FAQ

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3. Are the STPS340U price and inventory displayed accurate?

The price and inventory of STPS340U fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of STPS340U?

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 STPS340U we delivered, we will accept the replacement or return of the STPS340U 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 STPS340U.

(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