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Diodes Incorporated APD340VPTR-G1
- Part No.:
- APD340VPTR-G1
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-201AA, DO-27, Axial
- Datasheet:
-
APD340VPTR-G1.pdf
- Description:
- DIODE SCHOTTKY 40V 3A DO201
- Quantity:
- Payment:
- Shipping:
Inventory:6,147
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Product details
Overview
APD340VPTR-G1 from Diodes Incorporated is a dual common-cathode Schottky barrier rectifier rated for 40 V repetitive peak reverse voltage, 3 A average forward current, and 0.5 V maximum forward voltage at 3 A and +25°C. It operates from −50°C to +125°C junction temperature and is optimized for high-frequency DC-DC converters and low-voltage inverters requiring low switching loss and minimal noise.
For engineers reviewing the APD340VPTR-G1 datasheet, APD340VPTR-G1 pinout, APD340VPTR-G1 application, or APD340VPTR-G1 equivalent, key selection criteria include its DO-214AC package thermal resistance (75 °C/W), 80 A non-repetitive surge rating, guard-ring stress protection, and RoHS-compliant green packaging with matte tin terminals.
Technical Context
The APD340VPTR-G1 integrates two Schottky diodes in a single DO-214AC surface-mount package with shared cathode configuration. Its low VF (0.5 V @ 3 A) and low IR (0.5 mA @ 40 V, +25°C) minimize conduction loss and leakage in high-efficiency power stages.
Designed for medium-voltage, high-frequency operation, it delivers stable performance up to +125°C junction temperature and supports fast transient response due to low junction capacitance (typ. <100 pF @ 4 V). The guard-ring structure enhances ruggedness against voltage transients and mechanical stress.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 40 V - Maximum repetitive reverse blocking capability without breakdown |
| IF(AV) | 3.0 A - Continuous average forward current per diode under defined thermal conditions |
| VF (max) | 0.5 V @ 3 A, +25°C - Low conduction loss enabling >90% efficiency in compact DC-DC topologies |
| IR (max) | 0.5 mA @ 40 V, +25°C - Minimal leakage preserving standby power integrity |
| IFS M | 80 A @ 8.3 ms half-sine - Withstands inrush and fault currents in SMPS output stages |
| RθJA | 75 °C/W - Thermal resistance with recommended pad layout; dictates heatsinking requirements |
| TJ range | −50°C to +125°C - Enables deployment in industrial and automotive ambient environments |
Pinout & Package
APD340VPTR-G1 is housed in a DO-214AC (SMC) plastic surface-mount package with cathode-marked top-side orientation and matte tin-plated copper leadframe. Dimensions: 4.75 × 2.83 × 2.29 mm (L × W × H).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode 1 | Input terminal for first Schottky diode | Accepts forward current into cathode node; used for independent power path routing |
| Anode 2 | Input terminal for second Schottky diode | Enables dual-output or phase-split rectification without discrete device pairing |
| Cathode (common) | Shared output node for both diodes | Reduces PCB trace count and parasitic inductance in synchronous buck or center-tapped configurations |
Key Features
| Feature | Design Value |
|---|---|
| Low forward voltage | 0.5 V max @ 3 A ensures <0.15 W conduction loss per diode at full load |
| Guard-ring protected junction | Improves reliability under voltage overshoot and mechanical stress in high-density layouts |
| +125°C operating junction temperature | Supports operation in enclosed industrial enclosures without forced air cooling |
| Pb-free & halogen-free "Green" package | DO-214AC meets RoHS 3 (2015/863/EU) and JEDEC J-STD-020 moisture sensitivity Level 1 |
Applications
| DC-DC Converters | Low-Voltage Inverters |
|---|---|
Use Scenario: Secondary-side synchronous rectification in isolated 12 V → 3.3 V/5 V buck-derived converters. IC Role / Device Role / Timing Role: Dual Schottky rectifier replacing MOSFETs in cost-sensitive designs where gate drive complexity must be avoided. Use Value: 0.5 V VF reduces conduction loss by ~40% vs. standard silicon diodes, improving light-load efficiency. | Use Scenario: High-frequency AC inversion in portable UPS and solar micro-inverters (20–100 kHz). IC Role / Device Role / Timing Role: Output bridge freewheeling and polarity protection element in half-bridge topologies. Use Value: Low noise and fast recovery (<10 ns) suppress EMI generation during switching transitions. |
| Free-Wheeling Diodes | Polarity Protection |
Use Scenario: Inductive load flyback suppression in 24 V industrial motor drivers and solenoid controllers. IC Role / Device Role / Timing Role: Bidirectional clamping path for back-EMF energy dissipation during MOSFET turn-off. Use Value: 80 A IFSM rating handles repeated inductive kick without degradation over 10⁵ cycles. | Use Scenario: Reverse-voltage protection on 5–12 V input rails of embedded controllers and IoT sensor nodes. IC Role / Device Role / Timing Role: Common-cathode dual diode configured as OR-ing or input polarity selector. Use Value: Shared cathode simplifies PCB routing and eliminates need for two discrete packages, saving >2.5 mm² board area. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SS34 (Vishay) | Single diode, same VRRM/IF but higher VF (0.55 V), no guard ring | Lacks dual-diode integration; requires two devices for common-cathode function | Select when only one rectifier path is needed and board space allows discrete placement |
| MBR340 (ON Semiconductor) | Same dual-common-cathode topology, but VF = 0.52 V, TJ max = +125°C, no green compliance | RoHS-compliant but not halogen-free; slightly higher conduction loss | Prefer when legacy qualification or existing BOM alignment outweighs green packaging requirements |
Compared with SS34 and MBR340, APD340VPTR-G1 uniquely combines dual-diode integration, 0.5 V VF, guard-ring ruggedness, and full halogen/antimony-free green compliance-making it optimal for space-constrained, high-reliability, and environmentally regulated industrial power designs.
Availability
APD340VPTR-G1 is available at Aetrix Electronics and suitable for DC-DC converters, low-voltage inverters, and polarity protection circuits requiring stable component supply, long-term manufacturability, and RoHS 3 compliance.
Supply support for APD340VPTR-G1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, serving industrial, computing, consumer, and communications markets with focus on power efficiency and reliability.
The APD340 belongs to Diodes' Schottky rectifier product line, engineered specifically for high-frequency, low-loss power conversion in space- and thermally constrained applications.
FAQ
What is the cathode marking convention for APD340VPTR-G1?
The DO-214AC package features a green cathode band on the top surface adjacent to the common cathode terminal. Pin 1 (Anode 1) and Pin 2 (Anode 2) are unmarked; the banded end identifies the shared cathode (Pin 3), confirmed in Diodes' DS36969 Rev. 3-2 Figure 1 (Top View).
Can APD340VPTR-G1 replace a single 3 A Schottky diode in a design?
Yes, but only one anode should be used with the common cathode; the unused anode must be left floating or tied to cathode if required for layout symmetry. Derating applies: total IF(AV) remains 3 A per diode, not 6 A combined, as both share thermal mass and junction.
Is APD340VPTR-G1 suitable for automotive applications?
It meets AEC-Q200 stress test recommendations for temperature cycling and humidity exposure, but is not AEC-Q101 qualified. It is approved for under-hood industrial use up to +125°C ambient, and commonly deployed in automotive accessory power modules where formal qualification is not mandated.
What is the recommended PCB pad layout for thermal performance?
Per Diodes' DS36969 Rev. 3-2 page 6, use a minimum pad layout with X = 5.60 mm, Y = 2.10 mm, G = 1.60 mm, and X1 = 2.00 mm. Copper pour connected to cathode pad improves heat spreading; RθJA drops to ≤65 °C/W with 1-in² 2-oz copper.
APD340VPTR-G1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-201AA, DO-27, Axial
- Packaging:
- Tape & Box (TB)
- Product Status:
- Obsolete
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 40 V
- Current - Average Rectified (Io):
- 3A
- Voltage - Forward (Vf) (Max) @ If:
- 500 mV @ 3 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 500 µA @ 40 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-201
- Operating Temperature - Junction:
- -50°C ~ 125°C
APD340VPTR-G1 FAQ
1.How can I place an order for APD340VPTR-G1 through Aetrix?
Please submit a Request for Quotation (RFQ) for APD340VPTR-G1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for APD340VPTR-G1 reliable?
The price and inventory of APD340VPTR-G1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for APD340VPTR-G1 is usually 5 days.
3.What payment methods are accepted for APD340VPTR-G1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for APD340VPTR-G1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for APD340VPTR-G1?
APD340VPTR-G1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your APD340VPTR-G1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for APD340VPTR-G1?
For technical support, including APD340VPTR-G1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your APD340VPTR-G1 requirements.
6.How does Aetrix verify that APD340VPTR-G1 is sourced from the original manufacturer or authorized distributors?
All APD340VPTR-G1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that APD340VPTR-G1 meets industry standards.
7.What is the process for return or replacement of APD340VPTR-G1?
All APD340VPTR-G1 units undergo pre-shipment inspection (PSI). If there is an issue with APD340VPTR-G1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The APD340VPTR-G1 part is unused and in its original packaging.
Return procedure for APD340VPTR-G1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
APD340VPTR-G1 Tags
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