Taiwan Semiconductor Corporation TESDL5V0B12P1Q0 M7G
- Part No.:
- TESDL5V0B12P1Q0 M7G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- 0201 (0603 Metric)
- Datasheet:
-
TESDL5V0B12P1Q0 M7G.pdf
- Description:
- DFN0603-2L, 5V, 70W, 9PF, ESD PR
- Quantity:
- Payment:

- Shipping:

Inventory:9,912
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Product details
Overview
TESDL5V0B12P1Q0 from Taiwan Semiconductor is a bidirectional ESD protection diode designed to safeguard single I/O, control, or low-speed power lines against ±30kV IEC61000-4-2 ESD and 6A IEC61000-4-5 lightning surges. It features 5V reverse working voltage (VRWM), 12V clamping at 6A, 9–12pF junction capacitance, and ultra-low dynamic resistance of 0.38Ω - ideal for space-constrained USB, HDMI, or GPIO protection in portable electronics.
For engineers reviewing the TESDL5V0B12P1Q0 datasheet, TESDL5V0B12P1Q0 pinout, TESDL5V0B12P1Q0 application, or TESDL5V0B12P1Q0 equivalent, key selection criteria include clamping voltage under 6A surge, sub-12pF capacitance for signal integrity, DFN0603-2L footprint compatibility, bidirectional operation for AC-coupled lines, and RoHS/halogen-free compliance for consumer-grade designs.
Technical Context
This device implements silicon-avalanche + active circuit triggering to achieve fast turn-on (<1ns) and low clamping voltage during transient events. Its proprietary clamping cell architecture enables robust ±30kV ESD immunity while maintaining stable 5V operating voltage tolerance and minimal leakage (<1μA at 5V).
The DFN0603-2L package integrates two terminals with symmetric internal structure, supporting bidirectional conduction without polarity constraints. Dynamic resistance of 0.38Ω ensures efficient energy dissipation during 8/20μs surges up to 6A, minimizing voltage overshoot across protected lines.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Working Voltage | 5 V - Maximum continuous DC or RMS voltage the device blocks without conduction. |
| Clamping Voltage (6A, 8/20μs) | 12 V - Peak voltage seen by protected line during worst-case lightning surge; limits downstream IC stress. |
| Junction Capacitance | 9–12 pF - Low enough to avoid signal distortion on USB 2.0 or I²C lines at typical operating frequencies. |
| ESD Rating (IEC61000-4-2) | ±30 kV contact/air - Meets highest industrial ESD immunity requirement for handheld and peripheral interfaces. |
| Peak Pulse Current | 6 A - Withstands 8/20μs surge waveforms per IEC61000-4-5 Level 3 lightning immunity testing. |
| Dynamic Resistance | 0.38 Ω - Enables rapid voltage clamping and reduces power dissipation during transient events. |
Pinout & Package
Package: DFN0603-2L - 0.6 mm × 0.3 mm, 0.3 mm height, 2-terminal ultra-compact surface-mount package with exposed pad (no thermal pad connection required).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode/Cathode (bidirectional) | Interchangeable terminal; symmetrical internal structure allows either pin to connect to protected line or ground reference. |
| 2 | Anode/Cathode (bidirectional) | Interchangeable terminal; no polarity marking required - simplifies layout and eliminates orientation errors. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional ESD protection | Enables single-device protection of AC-coupled or floating lines (e.g., USB D+/D−, I²C SDA/SCL) without polarity concerns. |
| Ultra-low dynamic resistance | 0.38 Ω ensures minimal voltage rise during high-current transients, reducing risk of latch-up in downstream logic. |
| Sub-12pF junction capacitance | Maintains signal integrity on 480 Mbps USB 2.0 or 1 MHz I²C buses without added jitter or rise-time degradation. |
| Moisture sensitivity level 1 | Eliminates bake requirements before reflow; compatible with standard SMT assembly processes without special handling. |
Applications
| USB 2.0 Port Protection | HDMI Interface Protection |
|---|---|
Use Scenario: Protecting D+ and D− lines of USB 2.0 ports in smartphones, docking stations, and peripherals from user-handling ESD. IC Role / Device Role / Timing Role: Bidirectional clamping diode placed between data line and ground to shunt ESD current before it reaches USB transceiver. Use Value: 12V clamping at 6A prevents damage to PHY-level circuitry; 9–12pF capacitance avoids signal integrity loss at 480 Mbps. | Use Scenario: Safeguarding TMDS clock/data channels in HDMI source devices (e.g., set-top boxes, GPUs) against connector-based ESD events. IC Role / Device Role / Timing Role: Line-to-ground ESD suppressor installed at HDMI connector edge to clamp transients before reaching serializer IC. Use Value: Symmetric bidirectional response handles differential signal swings; low capacitance preserves 165 MHz pixel clock fidelity. |
| Industrial GPIO Protection | Portable Device Power Rail Clamping |
Use Scenario: Shielding microcontroller GPIO pins connected to external sensors or buttons in factory automation panels. IC Role / Device Role / Timing Role: Single-line protector on each I/O pin to absorb contact ESD up to ±30kV before MCU input protection diodes activate. Use Value: 5V VRWM matches standard 3.3V/5V logic rails; 0.38Ω RDYN minimizes voltage overshoot during fast ESD pulses. | Use Scenario: Clamping 5V power inputs on Bluetooth earbuds, wearables, or smart pens exposed to repeated static discharge. IC Role / Device Role / Timing Role: Power-line protector placed between input capacitor and LDO regulator to prevent overvoltage propagation during ESD events. Use Value: 12V clamping ensures downstream LDO input stays within absolute maximum rating; DFN0603-2L saves critical board area. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ESD5Z5.0T1G (ON Semiconductor) | Same DFN0603-2L package; 5.0V VRWM; 12.5V clamping at 6A; 15pF typical capacitance. | Higher capacitance may affect >100 MHz signal paths; otherwise suitable for USB 2.0 and GPIO. | Prefer when higher surge margin is needed and capacitance penalty is acceptable. |
| SMAJ5.0A (Littelfuse) | DO-214AC package; unidirectional; 5.0V VRWM; 13.4V clamping at 6A; 200pF capacitance. | Not suitable for high-speed data lines due to high capacitance; limited to DC power rail protection only. | Select only for non-signal applications where board space is not constrained and speed is irrelevant. |
Compared with ESD5Z5.0T1G and SMAJ5.0A, the TESDL5V0B12P1Q0 delivers lower capacitance (9–12pF vs. 15pF/200pF) and symmetric bidirectionality - making it uniquely suited for high-fidelity, space-limited data line protection where signal integrity and layout flexibility are critical.
Availability
TESDL5V0B12P1Q0 is available at Aetrix Electronics and suitable for USB 2.0 interface protection, portable device power rail clamping, and industrial GPIO safeguarding requiring stable component supply and consistent DFN0603-2L footprint availability.
Supply support for TESDL5V0B12P1Q0 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 discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, specializing in ESD protection, TVS diodes, rectifiers, and MOSFETs since 1979.
The TESDL series targets compact, high-performance ESD suppression for consumer and industrial interfaces - engineered specifically for minimal capacitance, precise clamping, and seamless integration into ultra-thin portable electronics.
FAQ
What is the maximum clamping voltage of the TESDL5V0B12P1Q0 under a 6A IEC61000-4-5 surge?
The TESDL5V0B12P1Q0 exhibits a maximum clamping voltage of 12 V when subjected to a 6A, 8/20μs transient pulse per IEC61000-4-5. This value is measured across the device terminals and represents the peak voltage imposed on the protected line during worst-case surge conditions - ensuring downstream components remain within safe operating limits.
Is the TESDL5V0B12P1Q0 suitable for protecting high-speed USB 2.0 data lines?
Yes, the TESDL5V0B12P1Q0 is suitable for USB 2.0 data line protection. Its 9–12pF junction capacitance, bidirectional operation, and 12V clamping at 6A meet signal integrity and ESD immunity requirements for 480 Mbps operation. Layout best practices - including short trace lengths and placement near the connector - are essential to maintain performance.
Does the TESDL5V0B12P1Q0 require polarity-aware PCB layout?
No, the TESDL5V0B12P1Q0 does not require polarity-aware layout. Its internal structure is fully symmetrical and bidirectional, meaning either terminal can be connected to the protected line or ground reference. The DFN0603-2L package has no polarity marking, eliminating orientation errors during automated assembly.
What is the operating temperature range specified for the TESDL5V0B12P1Q0?
The TESDL5V0B12P1Q0 is rated for an operating temperature range of –40°C to +85°C. This range supports deployment in consumer electronics, industrial controls, and automotive infotainment systems where ambient conditions vary significantly but do not exceed extended automotive grades.
How does the dynamic resistance of 0.38Ω impact system-level ESD protection performance?
The 0.38Ω dynamic resistance of the TESDL5V0B12P1Q0 directly lowers the voltage overshoot during fast ESD events by limiting IR drop across the device. This results in tighter clamping control, reduced stress on downstream ICs, and improved reliability in systems exposed to repetitive ±30kV contact discharges - especially critical in handheld and portable product designs.
TESDL5V0B12P1Q0 M7G 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):
- 5V (Max)
- Voltage - Breakdown (Min):
- 5.1V
- Voltage - Clamping (Max) @ Ipp:
- 12V
- Current - Peak Pulse (10/1000µs):
- 6A (8/20µs)
- Power - Peak Pulse:
- 70W
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- 9pF @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DFN0603-2L
TESDL5V0B12P1Q0 M7G FAQ
1.How can I place an order for TESDL5V0B12P1Q0 M7G through Aetrix?
Please submit a Request for Quotation (RFQ) for TESDL5V0B12P1Q0 M7G 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 TESDL5V0B12P1Q0 M7G reliable?
The price and inventory of TESDL5V0B12P1Q0 M7G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TESDL5V0B12P1Q0 M7G is usually 5 days.
3.What payment methods are accepted for TESDL5V0B12P1Q0 M7G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TESDL5V0B12P1Q0 M7G transactions.
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4.How is shipping managed for TESDL5V0B12P1Q0 M7G?
TESDL5V0B12P1Q0 M7G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TESDL5V0B12P1Q0 M7G 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 TESDL5V0B12P1Q0 M7G?
For technical support, including TESDL5V0B12P1Q0 M7G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TESDL5V0B12P1Q0 M7G requirements.
6.How does Aetrix verify that TESDL5V0B12P1Q0 M7G is sourced from the original manufacturer or authorized distributors?
All TESDL5V0B12P1Q0 M7G 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 TESDL5V0B12P1Q0 M7G meets industry standards.
7.What is the process for return or replacement of TESDL5V0B12P1Q0 M7G?
All TESDL5V0B12P1Q0 M7G units undergo pre-shipment inspection (PSI). If there is an issue with TESDL5V0B12P1Q0 M7G, 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 TESDL5V0B12P1Q0 M7G part is unused and in its original packaging.
Return procedure for TESDL5V0B12P1Q0 M7G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TESDL5V0B12P1Q0 M7G Tags

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