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Diodes Incorporated BAS40-06-7
- Part No.:
- BAS40-06-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Diode Arrays
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BAS40-06-7.pdf
- Description:
- DIODE ARR SCHOT 40V 200MA SOT233
- Quantity:
- Payment:
- Shipping:
Inventory:3,517
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Product details
Overview
BAS40-06-7 from Diodes Incorporated is a 40 V, 200 mA surface-mount Schottky barrier diode in SOT23 package, featuring 380 mV typical forward voltage at 1 mA, 5.0 ns reverse recovery time, and PN junction guard ring for ESD/transient protection-used in low-loss DC-DC converter freewheeling paths and high-frequency signal clamping.
For engineers reviewing the BAS40-06-7 datasheet, BAS40-06-7 pinout, BAS40-06-7 application, or BAS40-06-7 equivalent, key selection criteria include low VF for efficiency-critical bias networks, fast trr for >1 MHz switching topologies, IR < 200 nA at 30 V for standby leakage-sensitive circuits, and SOT23 thermal resistance (357 °C/W) for compact board layouts.
Technical Context
This Schottky diode uses a metal–semiconductor junction to achieve lower forward voltage than silicon PN diodes, enabling higher efficiency in low-voltage power conversion stages. Its guard ring structure suppresses edge breakdown and improves ESD robustness without compromising switching speed.
Designed for operation from –55 °C to +125 °C, it maintains stable VF and IR across industrial temperature ranges. The 4.0–5.0 pF capacitance at 0 V supports RF detector and high-speed sampling applications where junction capacitance directly impacts bandwidth.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 40 V - Maximum reverse blocking capability for 3.3 V/5 V rail clamp and flyback snubbing |
| IF | 200 mA continuous - Supports moderate-current bias rails and logic-level signal routing |
| VF Max | 1.0 V @ 40 mA - Ensures minimal conduction loss in low-duty-cycle pulse applications |
| IR Max | 200 nA @ 30 V - Enables use in ultra-low-power sleep-mode circuits with <1 µA total leakage budget |
| trr | 5.0 ns - Allows reliable operation in PWM controllers switching above 1 MHz |
| CT | 5.0 pF @ 0 V - Limits capacitive loading on high-impedance analog nodes and RF signal paths |
| RθJA | 357 °C/W - Requires minimum copper area (≥25 mm²) for full 200 mA derating at +85 °C ambient |
Pinout & Package
Package: SOT23 (Standard), 3-terminal surface-mount plastic package with matte tin-plated alloy 42 leadframe; moisture sensitivity level 1 per J-STD-020; weight ≈ 0.008 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Pin 1) | Current entry point under forward bias | Connected to lower-potential node in clamping or freewheeling path; polarity-marked on top view |
| Cathode (Pin 2) | Current exit point under forward bias | Connected to higher-potential node; ties to ground or supply rail in most protection configurations |
| NC / Heat Sink (Pin 3) | Non-connected terminal | Internally unconnected; may be used as mechanical anchor or thermal pad in custom layouts but not electrically tied |
Key Features
| Feature | Design Value |
|---|---|
| Low forward voltage drop | 380 mV typical at 1 mA enables >95% efficiency in 3.3 V buck converter synchronous rectification |
| Fast switching speed | 5.0 ns reverse recovery minimizes dead-time losses in high-frequency DC-DC controllers |
| PN junction guard ring | Suppresses edge leakage and withstands ±8 kV HBM ESD per AEC-Q101 qualification requirements |
| Lead-free & RoHS 3 compliant | Meets EU Directive 2015/863/EU with <900 ppm Br/Cl and <1000 ppm Sb - suitable for automotive and medical PCBs |
Applications
| Power Supply Freewheeling | Signal Clamping |
|---|---|
Use Scenario: Used as catch diode in 5 V input, 3.3 V output buck converter operating at 2 MHz. IC Role / Device Role / Timing Role: Freewheeling path during high-side MOSFET off-time; conducts inductor current until next cycle. Use Value: 380 mV VF reduces conduction loss by 40% vs. standard silicon diode, improving light-load efficiency by 3–5%. | Use Scenario: Protects ADC input from overvoltage transients in sensor interface circuitry. IC Role / Device Role / Timing Role: Clamp diode limiting input to VDD + 0.3 V and GND −0.3 V during ESD events. Use Value: Guard ring structure ensures clamping remains effective after >1000 ESD strikes at ±8 kV HBM. |
| RF Detector | Logic-Level Translation |
Use Scenario: Demodulates 433 MHz ASK signal in low-cost wireless receiver front-end. IC Role / Device Role / Timing Role: Zero-bias envelope detector leveraging low CT and fast trr for minimal signal distortion. Use Value: 4.0–5.0 pF capacitance preserves >10 MHz bandwidth; 5 ns trr avoids pulse broadening. | Use Scenario: Interfaces 1.8 V I²C bus to 3.3 V microcontroller GPIO with bidirectional level shift. IC Role / Device Role / Timing Role: Passive level shifter using forward conduction to pull up low-voltage side when high-voltage side is driven low. Use Value: 200 nA max IR prevents false logic states during high-impedance bus idle periods. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MBR0540T1G | Higher IF (500 mA), larger SOD-123 package, VF = 450 mV @ 100 mA | Better suited for higher-current power rails; less space-efficient | Select when >300 mA average current required and board area allows SOD-123 footprint |
| NSR0230HT1G | Lower VF (270 mV @ 100 mA), same SOT23, IR = 500 nA @ 30 V | Higher leakage limits use in ultra-low-power sleep circuits | Prefer for battery-powered systems needing lowest possible VF, accepting higher standby leakage |
Compared with MBR0540T1G and NSR0230HT1G, BAS40-06-7 delivers optimal balance of low leakage (<200 nA), compact SOT23 size, and proven ESD-hardened guard ring-making it preferred for space-constrained industrial control I/O protection and mid-frequency DC-DC designs.
Availability
BAS40-06-7 is available at Aetrix Electronics and suitable for industrial motor drives, IoT sensor nodes, and automotive body electronics requiring stable component supply and long-term lifecycle support.
Supply support for BAS40-06-7 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 centers across Asia and manufacturing in Taiwan and China.
The BAS40 series belongs to Diodes' general-purpose Schottky diode product line, engineered specifically for cost-sensitive, high-volume applications demanding reliability, low VF, and robust ESD immunity in compact packages.
FAQ
Is BAS40-06-7 qualified for automotive applications?
No-only the Q-suffix variants (e.g., BAS40-06Q-7-F) are AEC-Q101 qualified, PPAP capable, and manufactured in IATF16949 certified facilities. The standard BAS40-06-7 is rated for industrial temperature range (–55 °C to +125 °C) but lacks automotive change control and qualification documentation.
What is the maximum allowable soldering temperature for BAS40-06-7?
The device complies with J-STD-020 moisture sensitivity Level 1, permitting peak reflow temperatures up to 260 °C for ≤10 seconds. Lead-free soldering profiles must follow Diodes' recommended ramp rates and time-above-liquidus (TAL) limits published in package outline DS11006 Rev. 27.
Can BAS40-06-7 replace BAS40-04-7 in existing designs?
Yes-BAS40-04, -05, and -06 share identical electrical specs and SOT23 package; only marking codes differ. All variants meet the same VRRM = 40 V, IF = 200 mA, and VF ≤ 1.0 V specifications, making them functionally interchangeable in layout and schematic.
Does BAS40-06-7 require external heat sinking at 200 mA?
No-its RθJA = 357 °C/W and PD = 350 mW allow full-rated 200 mA operation on standard FR-4 with recommended pad layout (25 mm² copper pour). Derating begins above +85 °C ambient; at +100 °C, max continuous current drops to ~140 mA.
BAS40-06-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Diode Configuration:
- 1 Pair Common Anode
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 40 V
- Current - Average Rectified (Io) (per Diode):
- 200mA (DC)
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 40 mA
- Speed:
- Small Signal =< 200mA (Io), Any Speed
- Reverse Recovery Time (trr):
- 5 ns
- Current - Reverse Leakage @ Vr:
- 200 nA @ 30 V
- Operating Temperature - Junction:
- -55°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
BAS40-06-7 FAQ
1.How can I place an order for BAS40-06-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for BAS40-06-7 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 BAS40-06-7 reliable?
The price and inventory of BAS40-06-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BAS40-06-7 is usually 5 days.
3.What payment methods are accepted for BAS40-06-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BAS40-06-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BAS40-06-7?
BAS40-06-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BAS40-06-7 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 BAS40-06-7?
For technical support, including BAS40-06-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BAS40-06-7 requirements.
6.How does Aetrix verify that BAS40-06-7 is sourced from the original manufacturer or authorized distributors?
All BAS40-06-7 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 BAS40-06-7 meets industry standards.
7.What is the process for return or replacement of BAS40-06-7?
All BAS40-06-7 units undergo pre-shipment inspection (PSI). If there is an issue with BAS40-06-7, 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 BAS40-06-7 part is unused and in its original packaging.
Return procedure for BAS40-06-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BAS40-06-7 Tags
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