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Diodes Incorporated BAT54TQ-7-F
- Part No.:
- BAT54TQ-7-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- SOT-523
- Datasheet:
-
BAT54TQ-7-F.pdf
- Description:
- DIODE SCHOTTKY 30V 200MA SOT523
- Quantity:
- Payment:
- Shipping:
Inventory:2,625
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Product details
Overview
BAT54TQ-7-F from Diodes Incorporated is a 30V, 200mA surface-mount Schottky barrier diode in SOT523 package, featuring 240–1000mV forward voltage (IF = 0.1–100mA), ≤2.0µA reverse leakage at 25V, and AEC-Q101 qualification for automotive power rail clamping and ESD protection.
For engineers reviewing the BAT54TQ-7-F datasheet, BAT54TQ-7-F pinout, BAT54TQ-7-F application, or BAT54TQ-7-F equivalent, key selection criteria include low VF at low currents, fast switching for high-frequency rectification, PN junction guard ring for transient immunity, and SOT523 footprint compatibility in space-constrained automotive ECUs and portable power management.
Technical Context
This Schottky diode uses a metal-semiconductor junction to achieve lower forward voltage and faster recovery than PN diodes. Its guard ring structure provides robust ESD immunity (IEC 61000-4-2 Level 4) and transient suppression without external components.
Rated for -65°C to +150°C operation and qualified per AEC-Q101, it supports automotive-grade reliability with 490°C/W thermal resistance and 150mW power dissipation on FR-4 PCBs using recommended pad layout.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 30 V - Maximum DC blocking voltage before breakdown; sets safe operating limit in 24V automotive systems. |
| IF | 200 mA continuous - Sustained current handling for signal-level clamping and biasing in sensor interfaces. |
| VF @ 10mA | 320 mV typical - Enables low-loss voltage translation and logic-level shifting in battery-powered circuits. |
| IR @ 25V | 2.0 µA max - Ensures minimal leakage in high-impedance monitoring paths and precision reference circuits. |
| CT @ 10V | 10 pF max - Low junction capacitance preserves signal integrity in RF detector and high-speed data line protection. |
| TJ Range | -65°C to +150°C - Supports under-hood automotive deployment without derating in ambient extremes. |
Pinout & Package
Package: SOT523 - ultra-compact 3-pin surface-mount package (1.60 × 1.60 × 0.75 mm), RoHS-compliant matte tin-plated terminals, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Pin 1) | Current entry point | Connected to higher-potential node (e.g., supply rail or signal source) for forward conduction. |
| Cathode (Pin 2) | Current exit point | Connected to lower-potential node (e.g., ground or return path); marked side of package body. |
| No-connect (Pin 3) | Internal die attach flag | Electrically isolated; used for mechanical anchoring and thermal relief-must remain unconnected. |
Key Features
| Feature | Design Value |
|---|---|
| PN Junction Guard Ring | Provides built-in transient voltage suppression and ESD robustness (≥8kV contact discharge) without external TVS. |
| Low VF at 0.1mA | 240 mV typical - enables reliable turn-on in micropower wake-up circuits and low-current sensing paths. |
| AEC-Q101 Qualified | Validated for automotive use with PPAP capability and IATF 16949 manufacturing control. |
| Halogen & Antimony Free | Meets "Green" definition (<900ppm Br, <900ppm Cl, <1000ppm Sb); compliant with EU RoHS 3 (2015/863/EU). |
Applications
| Automotive Sensor Interface | USB Port ESD Protection |
|---|---|
Use Scenario: Protecting LIN bus transceivers and analog sensor outputs (e.g., temperature, pressure) from load dump and ESD events in vehicle cabins. IC Role / Device Role / Timing Role: Bidirectional clamping diode placed between signal line and VCC/GND rails to shunt transients below 30V. Use Value: Guard ring ensures >8kV HBM ESD immunity while 240mV VF at microamp bias minimizes signal distortion during normal operation. | Use Scenario: Safeguarding USB 2.0 D+/D− lines against electrostatic discharge in infotainment head units and telematics modules. IC Role / Device Role / Timing Role: Low-capacitance (10pF) clamping diode connected anode-to-line, cathode-to-VBUS for fast transient diversion. Use Value: Sub-1ns response time and 10pF CT preserve 480Mbps data integrity without signal reflection or timing skew. |
| Portable Battery Management | Power Rail OR-ing |
Use Scenario: Reverse polarity and overvoltage protection in coin-cell–powered wearables and medical sensors. IC Role / Device Role / Timing Role: Series-connected Schottky for low-loss input protection; leverages 200mA IF rating and 150mW PD for compact layout. Use Value: 320mV VF at 10mA reduces voltage drop by >40% vs. standard silicon diodes, extending runtime in 3V systems. | Use Scenario: Implementing dual-supply redundancy in ADAS domain controllers using two 5V rails. IC Role / Device Role / Timing Role: Anode tied to each supply, cathodes joined to common output-enabling automatic failover without controller intervention. Use Value: Fast recovery and low VF minimize cross-conduction losses and thermal stress during supply switchover. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SBAT54DW-7-F | Dual-channel SOT-363 package; shared cathode configuration; VF ≈ 350mV @ 10mA. | Requires board redesign for dual-signal protection; higher parasitic inductance due to larger package. | Choose when protecting two independent signals (e.g., CAN_H/CAN_L) on same footprint. |
| NSR0230P2T5G | SOD-523 package (same outline); VF = 370mV @ 10mA; IR = 1.5µA @ 25V; no AEC-Q101 qualification. | Lacks automotive qualification and guard ring; suitable only for commercial-grade consumer devices. | Choose for cost-sensitive non-automotive designs where AEC-Q101 is not required. |
Compared with SBAT54DW-7-F and NSR0230P2T5G, BAT54TQ-7-F uniquely combines AEC-Q101 qualification, integrated guard ring ESD hardening, and single-diode SOT523 footprint-making it the only option qualified for safety-critical automotive signal line protection without layout compromise.
Availability
BAT54TQ-7-F is available at Aetrix Electronics and suitable for automotive sensor interfaces, USB port ESD protection, and portable battery management requiring stable component supply across production lifecycles.
Supply support for BAT54TQ-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, manufacturing, and sales operations across Asia, Europe, and North America.
The BAT54 series belongs to Diodes' automotive-qualified Schottky diode product line, engineered specifically for ESD-hardened signal integrity and low-loss power routing in harsh-environment electronic control units.
FAQ
What is the maximum reverse voltage rating for BAT54TQ-7-F?
The BAT54TQ-7-F has a peak repetitive reverse voltage (VRRM) of 30 V, verified per DS40845 Rev. 2–2. This rating defines the absolute maximum DC or peak AC voltage that can be applied across the diode in reverse bias without risk of breakdown under normal operating conditions.
Is BAT54TQ-7-F suitable for high-frequency switching applications?
Yes - its Schottky construction yields negligible minority-carrier storage, enabling sub-nanosecond reverse recovery. Measured total capacitance is 10 pF at 10 V, supporting clean signal routing up to 500 MHz in RF detector and high-speed data line clamp roles.
Does BAT54TQ-7-F require external ESD protection components?
No - it integrates a PN junction guard ring that provides intrinsic ESD immunity per IEC 61000-4-2 Level 4 (±8 kV contact, ±15 kV air). This eliminates need for discrete TVS diodes in most automotive signal line protection layouts.
What is the thermal resistance of BAT54TQ-7-F on a standard FR-4 PCB?
When mounted on an FR-4 board using Diodes' recommended pad layout (per package outline document), the typical junction-to-ambient thermal resistance (RθJA) is 490°C/W. Derating begins above 125°C ambient, with full 150 mW power dissipation permitted only at TA ≤ 25°C.
BAT54TQ-7-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SOT-523
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 30 V
- Current - Average Rectified (Io):
- 200mA
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 100 mA
- Speed:
- Small Signal =< 200mA (Io), Any Speed
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 2 µA @ 25 V
- Capacitance @ Vr, F:
- 10pF @ 10V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-523
- Operating Temperature - Junction:
- -65°C ~ 150°C
BAT54TQ-7-F FAQ
1.How can I place an order for BAT54TQ-7-F through Aetrix?
Please submit a Request for Quotation (RFQ) for BAT54TQ-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 BAT54TQ-7-F reliable?
The price and inventory of BAT54TQ-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 BAT54TQ-7-F is usually 5 days.
3.What payment methods are accepted for BAT54TQ-7-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BAT54TQ-7-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BAT54TQ-7-F?
BAT54TQ-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BAT54TQ-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 BAT54TQ-7-F?
For technical support, including BAT54TQ-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BAT54TQ-7-F requirements.
6.How does Aetrix verify that BAT54TQ-7-F is sourced from the original manufacturer or authorized distributors?
All BAT54TQ-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 BAT54TQ-7-F meets industry standards.
7.What is the process for return or replacement of BAT54TQ-7-F?
All BAT54TQ-7-F units undergo pre-shipment inspection (PSI). If there is an issue with BAT54TQ-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 BAT54TQ-7-F part is unused and in its original packaging.
Return procedure for BAT54TQ-7-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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