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Taiwan Semiconductor Corporation TESDL3V3B23P1Q0 M3G
- Part No.:
- TESDL3V3B23P1Q0 M3G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- 0201 (0603 Metric)
- Datasheet:
-
TESDL3V3B23P1Q0 M3G.pdf
- Description:
- DFN0603-2L, 3.3V, 70W, 17PF, ESD
- Quantity:
- Payment:
- Shipping:
Inventory:8,360
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Product details
Overview
TESDL3V3B23P1Q0 from Taiwan Semiconductor is a bidirectional ESD protection diode designed to safeguard single I/O, control, or power lines in 3.3V systems. It delivers ±30kV IEC61000-4-2 contact/air discharge protection, clamps transients to ≤8.5V at 8.2A (8/20μs), and features 17–23pF junction capacitance and 0.32Ω dynamic resistance for low-distortion signal integrity in USB, GPIO, and power-rail applications.
For engineers reviewing the TESDL3V3B23P1Q0 datasheet, TESDL3V3B23P1Q0 pinout, TESDL3V3B23P1Q0 application, or TESDL3V3B23P1Q0 equivalent, key selection criteria include its DFN0603-2L ultra-small footprint, 3.3V working voltage rating, bidirectional clamping architecture, sub-100nA leakage at VRWM, and verified IEC61000-4-5 lightning surge capability up to 8.2A.
Technical Context
The TESDL3V3B23P1Q0 employs proprietary silicon clamping cells optimized for fast response to ESD and lightning transients. Its bidirectional structure enables symmetrical protection without polarity constraints, and its low dynamic resistance (0.32Ω) ensures minimal voltage overshoot during high-current pulses.
It operates within –55°C to +150°C junction temperature range and maintains stable clamping performance across temperature due to its robust junction design. The device is rated for non-repetitive peak pulse power of 70W (8/20μs) and supports transient suppression on low-speed data, control, and 3.3V power lines with minimal parasitic impact.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse working voltage | 3.3 V - Maximum continuous DC or RMS operating voltage before leakage rises significantly |
| ESD rating (IEC61000-4-2) | ±30 kV contact & air - Full-system level immunity without external circuit degradation |
| Clamping voltage (8.2A, 8/20μs) | 8.5 V - Peak line voltage during worst-case lightning surge, limiting downstream stress |
| Junction capacitance | 17–23 pF at 0V - Low enough for USB 2.0 and SPI signal integrity; avoids data distortion |
| Dynamic resistance | 0.32 Ω - Ensures tight clamping window and minimal IR drop under transient current |
| Peak pulse current (8/20μs) | 8.2 A - Withstands industrial-grade lightning surges per IEC61000-4-5 |
| Moisture sensitivity level | Level 1 (J-STD-020) - No bake required before SMT reflow; simplifies manufacturing |
Pinout & Package
Package: DFN0603-2L (0.6 mm × 0.3 mm, 0.22 mm height), IEC metric 0603 / EIA 0201 compatible, cathode-indicated via corner notch or chamfer.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode/Cathode terminal (bidirectional) | Either terminal serves as anode or cathode depending on transient polarity; no orientation dependency in layout |
| Pin 2 | Anode/Cathode terminal (bidirectional) | Paired with Pin 1 to form symmetric clamping path; requires direct connection to protected line and reference (GND/VCC) |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating lines without polarity concerns |
| Ultra-low dynamic resistance | 0.32 Ω minimizes clamping voltage rise under high di/dt transients |
| Low leakage current | ≤100 nA at 3.3 V ensures negligible standby power loss in battery-powered systems |
| Small-footprint DFN package | 0.6 mm × 0.3 mm saves PCB area in space-constrained IoT and portable designs |
| Halogen-free & RoHS compliant | Meets global environmental compliance requirements for consumer and industrial end equipment |
Applications
| USB 2.0 Data Lines | Microcontroller GPIO Protection |
|---|---|
Use Scenario: Protecting D+ and D− lines of embedded USB peripherals against ESD events during hot-plug or handling. IC Role / Device Role / Timing Role: Bidirectional transient voltage suppressor placed directly at connector interface. Use Value: Clamps ESD to ≤8.5 V while maintaining <23 pF capacitance-preserving signal rise time and eye diagram integrity. | Use Scenario: Shielding MCU input/output pins from ESD during panel button presses, sensor wiring, or field maintenance. IC Role / Device Role / Timing Role: Point-of-entry clamping device on each GPIO trace before internal protection diodes. Use Value: Extends system-level ESD immunity to ±30 kV without adding series resistance or degrading digital timing margins. |
| 3.3V Power Rail Protection | Industrial Control Signal Lines |
Use Scenario: Safeguarding 3.3V supply inputs on modules exposed to board-level handling or cable coupling. IC Role / Device Role / Timing Role: Low-leakage (≤100 nA) shunt protector between VDD and GND, activated only during overvoltage. Use Value: Prevents brownout or latch-up during 8.2A lightning surges while drawing zero static current under normal operation. | Use Scenario: Protecting RS-232/RS-485 enable, fault, or status lines in factory automation controllers. IC Role / Device Role / Timing Role: Standalone bidirectional clamp on low-speed control paths with no additional biasing needed. Use Value: Eliminates need for discrete Zener + TVS combos-reduces BOM count and layout complexity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor ESD9X3.3S | Same DFN0603-2L package; 3.3V VRWM; ±30kV ESD; slightly higher clamping (9.2V @ 8.2A) | Higher clamping voltage may reduce margin for 3.3V I/O with tight VIL/VIH thresholds | Prefer TESDL3V3B23P1Q0 where sub-8.5V clamping is critical for rail-to-rail logic compatibility |
| Vishay VEML3330 | DFN1006-2L (larger); same 3.3V rating; ±30kV ESD; 8.0V clamping @ 8.2A; 12pF typical capacitance | Smaller capacitance benefits high-speed lines but larger footprint increases routing congestion | Choose TESDL3V3B23P1Q0 when board space is constrained and 17–23pF is acceptable for target data rate |
Compared with ESD9X3.3S and VEML3330, the TESDL3V3B23P1Q0 offers the lowest clamping voltage (8.5V) in the smallest DFN0603-2L footprint, making it optimal for dense 3.3V microcontroller interfaces where both space and voltage margin are critical.
Availability
TESDL3V3B23P1Q0 is available at Aetrix Electronics and suitable for USB interface protection, microcontroller GPIO hardening, and 3.3V power rail surge suppression requiring stable component supply and long-term production continuity.
Supply support for TESDL3V3B23P1Q0 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated analog and protection device manufacturer headquartered in Hsinchu, Taiwan, serving industrial, computing, and consumer markets since 1979.
The TESDL series targets compact, high-reliability ESD protection for low-voltage digital interfaces, emphasizing ultra-small packaging, precise clamping, and full IEC standard compliance without design compromises.
FAQ
What is the maximum continuous operating voltage for the TESDL3V3B23P1Q0?
The TESDL3V3B23P1Q0 has a reverse working voltage (VRWM) of 3.3 V, meaning it is rated for continuous DC or RMS operation up to this voltage. Exceeding 3.3 V risks increased leakage or premature conduction. This rating makes the TESDL3V3B23P1Q0 ideal for protecting 3.3V logic rails, USB 2.0 data lines, and other low-voltage interfaces where headroom is limited.
Does the TESDL3V3B23P1Q0 require polarity-aware placement on the PCB?
No-the TESDL3V3B23P1Q0 is a fully bidirectional ESD suppressor, so either pin can connect to the protected line and the other to reference (GND or VCC). Its symmetrical clamping structure eliminates orientation constraints, simplifying layout and reducing assembly errors. This behavior is confirmed in the device's circuit diagram and application note Figure 1.
What is the clamping voltage of the TESDL3V3B23P1Q0 under IEC61000-4-5 lightning surge conditions?
Under IEC61000-4-5 8/20μs surge testing at 8.2A peak pulse current, the TESDL3V3B23P1Q0 clamps to a maximum of 8.5 V. This value is measured per specification table and ensures downstream 3.3V components remain within absolute maximum ratings during industrial lightning transients.
How does the junction capacitance of the TESDL3V3B23P1Q0 affect high-speed signal lines?
The TESDL3V3B23P1Q0 exhibits 17–23 pF junction capacitance at 0 V bias, which is well-suited for USB 2.0 (480 Mbps), SPI, I²C, and UART signals but not recommended for USB 3.0 or HDMI. This capacitance introduces minimal signal rise-time degradation when placed close to connectors, as validated in TSC's characteristic curves (Fig.4).
Is the TESDL3V3B23P1Q0 compliant with lead-free and halogen-free manufacturing standards?
Yes-the TESDL3V3B23P1Q0 is RoHS compliant and halogen-free per manufacturer documentation. It meets J-STD-020 moisture sensitivity level 1, allowing standard reflow without pre-bake, and is qualified for lead-free soldering processes used in modern electronics assembly.
TESDL3V3B23P1Q0 M3G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- 0201 (0603 Metric)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 3.3V (Max)
- Voltage - Breakdown (Min):
- 4V
- Voltage - Clamping (Max) @ Ipp:
- 8.5V
- Current - Peak Pulse (10/1000µs):
- 8.2A (8/20µs)
- Power - Peak Pulse:
- 70W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 17pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DFN0603-2L
TESDL3V3B23P1Q0 M3G FAQ
1.How can I place an order for TESDL3V3B23P1Q0 M3G through Aetrix?
Please submit a Request for Quotation (RFQ) for TESDL3V3B23P1Q0 M3G 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 TESDL3V3B23P1Q0 M3G reliable?
The price and inventory of TESDL3V3B23P1Q0 M3G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TESDL3V3B23P1Q0 M3G is usually 5 days.
3.What payment methods are accepted for TESDL3V3B23P1Q0 M3G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TESDL3V3B23P1Q0 M3G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TESDL3V3B23P1Q0 M3G?
TESDL3V3B23P1Q0 M3G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TESDL3V3B23P1Q0 M3G 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 TESDL3V3B23P1Q0 M3G?
For technical support, including TESDL3V3B23P1Q0 M3G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TESDL3V3B23P1Q0 M3G requirements.
6.How does Aetrix verify that TESDL3V3B23P1Q0 M3G is sourced from the original manufacturer or authorized distributors?
All TESDL3V3B23P1Q0 M3G 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 TESDL3V3B23P1Q0 M3G meets industry standards.
7.What is the process for return or replacement of TESDL3V3B23P1Q0 M3G?
All TESDL3V3B23P1Q0 M3G units undergo pre-shipment inspection (PSI). If there is an issue with TESDL3V3B23P1Q0 M3G, 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 TESDL3V3B23P1Q0 M3G part is unused and in its original packaging.
Return procedure for TESDL3V3B23P1Q0 M3G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TESDL3V3B23P1Q0 M3G Tags
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