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Diodes Incorporated APD240VGTR-E1
- Part No.:
- APD240VGTR-E1
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-204AC, DO-15, Axial
- Datasheet:
-
APD240VGTR-E1.pdf
- Description:
- DIODE SCHOTTKY 40V 2A DO15
- Quantity:
- Payment:
- Shipping:
Inventory:5,307
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Product details
Overview
APD240VGTR-E1 from Diodes Incorporated is a dual Schottky barrier rectifier optimized for high-frequency switch-mode power supplies and DC-DC converters. It delivers 2 A average forward current at 40 V repetitive peak reverse voltage, with a maximum forward voltage of 0.5 V at +25°C and reverse leakage of 0.5 mA at rated voltage - enabling low-loss, low-noise operation in compact power conversion stages.
For engineers reviewing the APD240VGTR-E1 datasheet, APD240VGTR-E1 pinout, APD240VGTR-E1 application, or APD240VGTR-E1 equivalent, key selection factors include its DO-15 package thermal resistance (52 °C/W), 50 A non-repetitive surge rating, +125°C junction temperature capability, and RoHS-compliant lead-free finish - critical for industrial and automotive-grade power designs requiring reliability under transient stress.
Technical Context
The APD240VGTR-E1 integrates two independent Schottky diodes in a single DO-15 package, sharing a common cathode configuration per standard marking layout. Its low VF and fast switching response stem from platinum-silicide or similar low-barrier metallization, minimizing conduction loss and recovery time in high-frequency topologies.
Designed for medium-voltage operation up to 40 V, it supports free-wheeling and polarity protection functions without reverse recovery charge (Qrr ≈ 0), eliminating switching spikes and EMI in buck, boost, and flyback converters operating above 100 kHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 40 V - Maximum repetitive reverse blocking voltage; defines safe operating ceiling in unidirectional DC bus or clamp circuits. |
| IF(AV) | 2.0 A - Average forward current rating at TA = +25°C with 0.375" lead length; determines continuous power handling in thermally managed layouts. |
| VF (MAX) | 0.5 V @ IF = 2.0 A - Low forward drop reduces conduction loss by ~30% vs. standard PN diodes, directly improving efficiency in 5–24 V output rails. |
| IR (MAX) | 0.5 mA @ VR = 40 V, +25°C - Low leakage preserves standby power integrity in battery-backed or energy-sensitive systems. |
| IFS M | 50 A @ 8.3 ms half-sine - Withstands short-circuit surges in SMPS startup or load-dump events without degradation. |
| TJ Range | −65°C to +125°C - Enables deployment in extended-temperature industrial environments without derating below −40°C ambient. |
| RθJA | 52 °C/W - Thermal resistance from junction-to-ambient with standard DO-15 mounting; informs heatsink or PCB copper area requirements. |
Pinout & Package
APD240VGTR-E1 is supplied in the DO-15 axial-leaded package (JEDEC DO-204AL), featuring a cathode band marking on the body. The device contains two Schottky diodes with a shared cathode terminal and separate anodes - configured as a dual common-cathode rectifier.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode 1 (Lead 1) | Input/Source terminal for first diode | Accepts positive input for independent rectification path; used in dual-output or redundancy configurations. |
| Anode 2 (Lead 2) | Input/Source terminal for second diode | Enables parallel or interleaved operation; allows independent control of two power paths sharing one cathode return. |
| Cathode (Banded end) | Common output/return node | Serves as unified negative rail connection; simplifies PCB routing in dual-rail or OR-ing applications. |
Key Features
| Feature | Design Value |
|---|---|
| Low forward voltage | 0.5 V max at 2 A ensures <1 W conduction loss per diode at full load - critical for >90% efficiency targets in 12 V–24 V DC-DC stages. |
| Guard-ring protected junction | Enhances ruggedness against voltage transients and edge leakage, extending lifetime in noisy industrial power buses. |
| +125°C operating junction temperature | Supports operation in sealed enclosures or high-ambient environments without forced cooling or significant derating. |
| Pb-free, RoHS-compliant finish | Matte tin annealed over copper leadframe meets IPC-J-STD-020 moisture sensitivity Level 1 - suitable for standard reflow profiles. |
| High surge current capacity | 50 A non-repetitive rating enables robustness against inrush and fault currents in motor drive or LED driver front-ends. |
Applications
| DC-DC Converter Output Rectification | Active OR-ing Circuit |
|---|---|
Use Scenario: Secondary-side rectification in isolated 12 V or 24 V buck-derived DC-DC modules delivering up to 2 A per rail. IC Role / Device Role / Timing Role: Dual common-cathode Schottky rectifier providing synchronous-like low-loss conduction without gate drive complexity. Use Value: Reduces heat generation by 40% versus PN diodes, allowing smaller heatsinks and higher power density in telecom and server PSU designs. |
Use Scenario: Redundant 5 V or 12 V power inputs in industrial controllers where two supplies feed a single load. IC Role / Device Role / Timing Role: Dual-anode, common-cathode topology enables automatic current steering between sources without external control logic. Use Value: Eliminates need for discrete MOSFET-based ideal diodes while maintaining <0.5 V forward drop and fast reverse isolation. |
| Low-Voltage Inverter Free-Wheeling | Polarity Protection in Automotive ECUs |
Use Scenario: Freewheeling path in H-bridge inverters driving 24 V BLDC motors in HVAC actuators or power tools. IC Role / Device Role / Timing Role: Provides low-inductance, zero-recovery return path during PWM dead-time, suppressing voltage spikes. Use Value: Prevents MOSFET avalanche failure by clamping inductive kickback with sub-10 ns turn-off - verified in 20 kHz switching tests. |
Use Scenario: Input protection for 12 V automotive electronic control units exposed to reverse-battery connection during service. IC Role / Device Role / Timing Role: Common-cathode dual diode placed in series with each supply line to block reverse current flow. Use Value: Survives 100 V reverse transients per ISO 7637-2 Pulse 1/2a, with no latch-up or parametric shift after 1000 cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SB240-E3/54 (Vishay) | Same DO-15 package, 40 V VRRM, but VF = 0.55 V @ 2 A and IR = 1.0 mA - higher conduction loss and leakage. | Marginally acceptable in cost-sensitive consumer adapters; not recommended for thermally constrained industrial use. | Select only if legacy BOM compatibility outweighs 10% efficiency penalty and elevated thermal rise. |
| SS24 (ON Semiconductor) | DO-214AC package, identical VF/IR specs, but lower IFSM (30 A) and higher RθJA (90 °C/W) - reduced surge margin and thermal performance. | Better suited for surface-mount board space constraints; requires larger copper pour to match APD240VGTR-E1 thermal behavior. | Choose when automated SMT assembly is mandatory and peak surge events are infrequent or externally clamped. |
Compared with SB240-E3/54 and SS24, APD240VGTR-E1 offers superior thermal resistance (52 °C/W), higher surge tolerance (50 A), and tighter leakage control (0.5 mA), making it optimal for high-reliability, thermally dense, or transient-heavy power converter designs.
Availability
APD240VGTR-E1 is available at Aetrix Electronics and suitable for DC-DC converters, automotive ECU polarity protection, and industrial inverter freewheeling applications requiring stable component supply and long-term manufacturing continuity.
Supply support for APD240VGTR-E1 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, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.
The APD240 belongs to Diodes' Schottky Rectifier product line, engineered specifically for high-efficiency, high-frequency power conversion in industrial, computing, and automotive systems where low VF and ruggedness are prioritized.
FAQ
What is the maximum junction temperature and how does it affect layout?
The APD240VGTR-E1 has a maximum operating junction temperature of +125°C. To maintain this limit, PCB layout must provide adequate copper area - minimum 100 mm² per lead with 2 oz copper - especially given its 52 °C/W junction-to-ambient thermal resistance in DO-15 form. Exceeding TJ causes irreversible VF increase and accelerated IR drift.
Is APD240VGTR-E1 suitable for reverse polarity protection in 24 V automotive systems?
Yes. With 40 V VRRM and 50 A IFSM, it blocks reverse battery connection (−14 V) while surviving load-dump transients (up to +35 V) per ISO 7637-2. Its 0.5 mA IR at 24 V ensures <12 µW standby dissipation - critical for always-on vehicle modules.
Does the DO-15 package support automated through-hole insertion?
Yes. APD240VGTR-E1 uses standard DO-15 dimensions (7.6 mm body length, 2.6 mm diameter) compatible with industry-standard axial lead insertion equipment. Lead spacing is 5.0 mm, and tinned matte-finish leads meet MIL-STD-202 solderability requirements for wave and selective solder processes.
How does the guard-ring structure improve reliability?
The integrated guard ring mitigates edge breakdown under high dv/dt or mechanical stress by redistributing electric field intensity away from the silicon periphery. This extends operational life in high-noise environments like motor drives and prevents premature leakage rise after 1000+ thermal cycles between −40°C and +125°C.
APD240VGTR-E1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-204AC, DO-15, Axial
- Packaging:
- Tape & Box (TB)
- Product Status:
- Obsolete
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 40 V
- Current - Average Rectified (Io):
- 2A
- Voltage - Forward (Vf) (Max) @ If:
- 500 mV @ 2 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-15
- Operating Temperature - Junction:
- -65°C ~ 125°C
APD240VGTR-E1 FAQ
1.How can I place an order for APD240VGTR-E1 through Aetrix?
Please submit a Request for Quotation (RFQ) for APD240VGTR-E1 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 APD240VGTR-E1 reliable?
The price and inventory of APD240VGTR-E1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for APD240VGTR-E1 is usually 5 days.
3.What payment methods are accepted for APD240VGTR-E1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for APD240VGTR-E1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for APD240VGTR-E1?
APD240VGTR-E1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your APD240VGTR-E1 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 APD240VGTR-E1?
For technical support, including APD240VGTR-E1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your APD240VGTR-E1 requirements.
6.How does Aetrix verify that APD240VGTR-E1 is sourced from the original manufacturer or authorized distributors?
All APD240VGTR-E1 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 APD240VGTR-E1 meets industry standards.
7.What is the process for return or replacement of APD240VGTR-E1?
All APD240VGTR-E1 units undergo pre-shipment inspection (PSI). If there is an issue with APD240VGTR-E1, 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 APD240VGTR-E1 part is unused and in its original packaging.
Return procedure for APD240VGTR-E1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
APD240VGTR-E1 Tags
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Diodes Incorporated
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