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Diodes Incorporated BAT54CT-7-F
- Part No.:
- BAT54CT-7-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Diode Arrays
- Package:
- SOT-523
- Datasheet:
-
BAT54CT-7-F.pdf
- Description:
- DIODE ARR SCHOT 30V 200MA SOT523
- Quantity:
- Payment:
- Shipping:
Inventory:156,588
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Product details
Overview
BAT54CT-7-F from Diodes Incorporated is a dual common-cathode Schottky barrier diode in SOT523 package, rated for 30 V peak reverse voltage, 200 mA continuous forward current, and 5.0 ns reverse recovery time, used for high-speed polarity protection and signal clamping in portable power management circuits.
For engineers reviewing the BAT54CT-7-F datasheet, BAT54CT-7-F pinout, BAT54CT-7-F application, or BAT54CT-7-F equivalent, key selection criteria include low VF (240–500 mV across 0.1–100 mA), ultra-low CT (10 pF at 10 V), thermal resistance (570 °C/W), and automotive-grade variant availability (BAT54CTQ-7-F).
Technical Context
This dual Schottky diode integrates two anode terminals sharing one cathode, enabling independent channel operation with minimal forward voltage drop and fast switching-critical for USB port protection and battery backup path control. Its PN junction guard ring provides ESD robustness up to ±8 kV HBM without external components.
The device operates across –65 °C to +150 °C and maintains stable leakage (<2.0 µA at 25 V) and capacitance (≤10 pF) under bias, supporting reliable performance in space-constrained DC-DC feedback loops and RF detector bias networks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 30 V - maximum repetitive reverse blocking capability without breakdown |
| IFM | 200 mA - max continuous forward current per anode, defining PCB trace sizing and thermal pad requirements |
| tRR | 5.0 ns - reverse recovery time enabling >100 MHz switching in clamp and OR-ing applications |
| VF @ 10mA | 320 mV - low conduction loss improving efficiency in 3.3 V/5 V rail steering circuits |
| IR @ 25V | 2.0 µA - minimal leakage preserving battery life in always-on sensor nodes |
| CT @ 10V | 10 pF - low junction capacitance minimizing signal distortion in high-frequency data lines |
| RθJA | 570 °C/W - thermal resistance requiring minimal copper area for 220 mW power dissipation |
Pinout & Package
Package: SOT523 - ultra-small surface-mount plastic package (1.60 × 1.60 × 0.75 mm), moisture sensitivity level 1, matte tin-plated leads, RoHS-compliant and halogen-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode 1 (Pin 1) | Input terminal for first Schottky diode | Accepts forward-biased current into shared cathode; used for primary power path or signal input |
| Cathode (Pin 2) | Common cathode node for both diodes | Single output node enabling compact dual-diode configuration; connects to regulated rail or reference |
| Anode 2 (Pin 3) | Input terminal for second Schottky diode | Enables independent second path-e.g., backup supply or alternate signal channel |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low forward voltage | 240 mV at 0.1 mA enables efficient biasing in low-power IoT sensor front-ends |
| Guard ring ESD protection | Integrated PN junction ring achieves ±8 kV HBM rating without external TVS |
| SOT523 footprint | 1.6 mm × 1.6 mm body allows placement in <2.0 mm² board area-ideal for wearables |
| Lead-free & green compliance | Halogen- and antimony-free compound (<900 ppm Br/Cl, <1000 ppm Sb) meets automotive AEC-Q200 pre-screening |
Applications
| USB Port Protection | Power Rail OR-ing |
|---|---|
Use Scenario: Preventing backfeed and ESD damage on Type-A/B USB downstream ports in embedded host controllers. IC Role / Device Role / Timing Role: Dual-anode Schottky clamps reverse transients while steering VBUS to internal LDO with minimal dropout. Use Value: 5.0 ns tRR blocks >10 kHz ESD pulses; 320 mV VF at 10 mA reduces insertion loss below 50 mΩ equivalent resistance. | Use Scenario: Selecting between main and backup 3.3 V supplies in industrial PLC I/O modules. IC Role / Device Role / Timing Role: Common-cathode dual diode implements lossless power-path arbitration without controller overhead. Use Value: 200 mA IFM supports dual-rail redundancy; 10 pF CT avoids coupling noise into analog measurement circuitry. |
| RF Detector Bias | Low-Power Sensor Node Clamping |
Use Scenario: Providing temperature-stable DC bias to GaAs FET detectors in 2.4 GHz ISM-band receivers. IC Role / Device Role / Timing Role: Low-capacitance Schottky establishes stable gate bias while isolating RF from supply ripple. Use Value: 10 pF CT minimizes detuning of 50 Ω matching networks; –65 °C to +150 °C operation ensures outdoor deployment reliability. | Use Scenario: Protecting ADC inputs and microcontroller GPIOs from ESD and overvoltage in battery-powered environmental sensors. IC Role / Device Role / Timing Role: Anode-to-I/O clamping diode with cathode tied to VDD, leveraging low VF to limit excursion to VDD + 0.32 V. Use Value: 2.0 µA IR at 25 V preserves multi-year battery life; guard ring eliminates need for discrete 0402 TVS. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual common-cathode Schottky diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SBAT54CT-7-F | Same electrical specs; identical SOT523 package; differentiated only by tape-and-reel marking ('S' prefix denotes standard grade vs. 'BAT' base part) | No functional difference; used interchangeably in non-automotive designs | Select when sourcing from legacy inventory or distributor stock with SBAT prefix |
| BAT54CWT-7-F | Identical dual common-cathode topology but in SOT323 (2.1 × 1.25 mm); 10% larger footprint, same VF/tRR/CT specs | Preferred where hand-soldering or rework is required due to larger pad access | Choose when assembly process lacks fine-pitch SOT523 capability or thermal margin exceeds 220 mW |
Compared with BAT54CT-7-F, SBAT54CT-7-F offers identical performance in identical packaging, while BAT54CWT-7-F trades 25% larger board area for improved manufacturability-making the original optimal for ultra-dense portable designs where size is constrained.
Availability
BAT54CT-7-F is available at Aetrix Electronics and suitable for USB protection, power OR-ing, RF biasing, and low-power sensor clamping requiring stable component supply across consumer, industrial, and medical electronics programs.
Supply support for BAT54CT-7-F 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 Europe, serving automotive, industrial, computing, and consumer markets.
The BAT54 series belongs to Diodes' high-speed Schottky diode product line, engineered specifically for low-loss, high-frequency rectification and protection in space-constrained portable and wireless systems.
FAQ
What is the polarity configuration of BAT54CT-7-F?
BAT54CT-7-F uses a dual common-cathode configuration: Pin 1 and Pin 3 are anodes, Pin 2 is the shared cathode. This allows independent forward conduction from either anode to the common cathode, confirmed by the SOT523 top-view diagram in DS30259 Rev. 17–2, page 1.
Does BAT54CT-7-F meet AEC-Q200 requirements?
No-BAT54CT-7-F is not AEC-Q200 qualified. The automotive-grade version is BAT54CTQ-7-F, which undergoes additional stress testing including temperature cycling, humidity bias, and mechanical shock per AEC-Q200 Rev. D. Standard BAT54CT-7-F is rated for industrial temperature range only.
Can BAT54CT-7-F replace BAT54CWT-7-F on the same PCB?
No-BAT54CT-7-F (SOT523) and BAT54CWT-7-F (SOT323) have incompatible footprints. SOT523 measures 1.60 × 1.60 mm with 0.50 mm pin pitch; SOT323 is 2.10 × 1.25 mm with 0.65 mm pitch. Pad layout, stencil aperture, and reflow profile must be redesigned for substitution.
What is the maximum surge current rating for BAT54CT-7-F?
The non-repetitive peak forward surge current (IFSM) is 600 mA for an 8.3 ms single half-sine wave, as specified in DS30259 Rev. 17–2, page 2. This rating applies only to transient events-not continuous operation-and assumes proper PCB thermal relief per Diodes' recommended pad layout.
BAT54CT-7-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SOT-523
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Diode Configuration:
- 1 Pair Common Cathode
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 30 V
- Current - Average Rectified (Io) (per Diode):
- 200mA (DC)
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 100 mA
- Speed:
- Small Signal =< 200mA (Io), Any Speed
- Reverse Recovery Time (trr):
- 5 ns
- Current - Reverse Leakage @ Vr:
- 2 µA @ 25 V
- Operating Temperature - Junction:
- -65°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-523
BAT54CT-7-F FAQ
1.How can I place an order for BAT54CT-7-F through Aetrix?
Please submit a Request for Quotation (RFQ) for BAT54CT-7-F 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 BAT54CT-7-F reliable?
The price and inventory of BAT54CT-7-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BAT54CT-7-F is usually 5 days.
3.What payment methods are accepted for BAT54CT-7-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BAT54CT-7-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BAT54CT-7-F?
BAT54CT-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BAT54CT-7-F 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 BAT54CT-7-F?
For technical support, including BAT54CT-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BAT54CT-7-F requirements.
6.How does Aetrix verify that BAT54CT-7-F is sourced from the original manufacturer or authorized distributors?
All BAT54CT-7-F 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 BAT54CT-7-F meets industry standards.
7.What is the process for return or replacement of BAT54CT-7-F?
All BAT54CT-7-F units undergo pre-shipment inspection (PSI). If there is an issue with BAT54CT-7-F, 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 BAT54CT-7-F part is unused and in its original packaging.
Return procedure for BAT54CT-7-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BAT54CT-7-F Tags
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BAV99-7-F
Diodes Incorporated
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BAT54C-7-F
Diodes Incorporated
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BAV99,215
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BAV70LT1G
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BAT54CLT1G
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BAT54S-7-F
Diodes Incorporated
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BAV99LT1G
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BAT54S,215
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