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Texas Instruments ESD441DPLR
- Part No.:
- ESD441DPLR
- Manufacturer:
- Texas Instruments
- Category:
- TVS Diodes
- Package:
- 0201 (0603 Metric)
- Datasheet:
-
ESD441DPLR.pdf
- Description:
- TVS DIODE 5.5VWM 7.6VC 2-X2SON
- Quantity:
- Payment:
- Shipping:
Inventory:3,530
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Product details
Overview
ESD441DPLR from Texas Instruments is a unidirectional ESD protection diode in a 0201 (X2SON DPL, 0.6mm × 0.3mm) 2-pin package, rated for ±30kV IEC 61000-4-2 contact/air-gap discharge, 6A IEC 61000-4-5 surge (8/20µs), and featuring 1pF typical IO capacitance, 7V typical DC breakdown voltage, and 0.1Ω dynamic resistance (IO to GND). It protects high-speed data lines such as USB 2.0 and HDMI in space-constrained portable electronics.
For engineers reviewing the ESD441DPLR datasheet, ESD441DPLR pinout, ESD441DPLR application, or ESD441DPLR equivalent, key selection criteria include clamping voltage at 16A TLP (7.6V), ultra-low leakage (≤50nA), –55°C to +150°C operating range, and compatibility with 4Gbps interfaces requiring minimal signal distortion.
Technical Context
The ESD441DPLR implements a single-channel unidirectional TVS diode architecture optimized for low-capacitance, high-speed I/O line protection. Its clamping behavior is defined by a low dynamic resistance (0.1Ω IO-to-GND) and tight TLP response, delivering 7.6V clamping at 16A while maintaining sub-1pF capacitance across bias and temperature.
It operates within a –55°C to +150°C ambient range and supports robust transient immunity: ±30kV IEC 61000-4-2 (Level 4), 6A IEC 61000-4-5 (8/20µs), and ±2.5kV HBM. The device connects in parallel between I/O and ground, with no control logic or enable function-pure passive clamping.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Rating | ±30kV contact & air-gap per IEC 61000-4-2 Level 4 - ensures system-level ESD survivability in handheld and retail terminals. |
| Surge Rating | 6A (8/20µs) per IEC 61000-4-5 - provides secondary protection against lightning-induced transients on data/power lines. |
| IO Capacitance | 1pF typical at 1MHz - enables clean signal integrity up to 4Gbps (e.g., USB 2.0, HDMI 1.4) without measurable insertion loss. |
| Clamping Voltage | 7.6V at 16A TLP (IO→GND) - limits stress on downstream 5.5V-tolerant ICs during worst-case ESD events. |
| Dynamic Resistance | 0.1Ω (IO to GND) - minimizes voltage overshoot under fast-rising transients, improving clamping consistency. |
| Leakage Current | ≤50nA max at 5.5V - avoids power drain in battery-powered wearables and always-on sensor nodes. |
| Operating Temp | –55°C to +150°C - supports deployment in automotive cabin modules, industrial vacuum robots, and high-temp PCB environments. |
Pinout & Package
ESD441DPLR uses the X2SON (DPL) 2-pin no-lead package measuring 0.6mm × 0.3mm with 0.45mm max height. The package features an exposed thermal pad connected internally to Pin 2 (GND) for enhanced thermal dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | I/O | Protected signal line input/output - connects directly to high-speed interface (e.g., USB D+, HDMI TMDS+). |
| 2 | GND | Ground reference and ESD current return path - must be tied to low-impedance system ground plane for effective clamping. |
Key Features
| Feature | Design Value |
|---|---|
| IEC 61000-4-2 Level 4 compliance | Validated ±30kV contact/air-gap performance - eliminates need for external test margining in consumer and industrial end-equipment certification. |
| Ultra-low 1pF capacitance | Preserves signal rise/fall times and eye diagram integrity on 480Mbps USB 2.0 and 3.4Gbps HDMI 1.4 links. |
| 7.6V clamping at 16A TLP | Keeps protected IC's I/O voltage below absolute maximum ratings during fast ESD pulses, reducing latch-up risk. |
| 0.1Ω dynamic resistance | Ensures repeatable clamping voltage across production lots and temperature extremes, critical for reliability-critical designs. |
| –55°C to +150°C operation | Enables use in under-hood automotive modules, industrial vacuum robot controllers, and high-power-density portable chargers. |
Applications
| USB 2.0 Port Protection | HDMI 1.4 Interface Protection |
|---|---|
|
Use Scenario: Protecting USB 2.0 data lines (D+/D−) in portable speakers and docking stations exposed to frequent user-handling ESD. IC Role / Device Role / Timing Role: Unidirectional TVS diode placed inline between connector and USB PHY, shunting ESD current to ground before it reaches the controller. Use Value: 1pF capacitance prevents signal degradation at 480Mbps; 7.6V clamping ensures USB PHY I/O remains within its 5.5V abs max rating during ±30kV contact discharge. |
Use Scenario: Safeguarding HDMI 1.4 TMDS channels in smart TVs and monitors subjected to ESD during cable insertion/removal. IC Role / Device Role / Timing Role: Per-channel ESD clamp on each TMDS+ line, with GND pins routed to solid ground plane beneath the connector. Use Value: Sub-1pF loading maintains differential impedance and eye opening at 3.4Gbps; 0.1Ω RDYN delivers consistent clamping across temperature for factory calibration stability. |
| Wearable Sensor Hub Protection | Retail Payment Terminal I/O |
|
Use Scenario: Shielding GPIO and I²C lines connecting motion sensors and battery fuel gauges in compact fitness trackers. IC Role / Device Role / Timing Role: Single-channel ESD suppressor on each sensitive analog/digital I/O, leveraging 0201 footprint to conserve board area. Use Value: 50nA max leakage extends battery life in multi-week wearable deployments; –55°C to +150°C range accommodates reflow and operational thermal cycling. |
Use Scenario: Hardening SIM card slot and GPIO buttons in countertop payment terminals exposed to repeated customer ESD events. IC Role / Device Role / Timing Role: Direct-mount ESD diode on SIM VCC and data lines, with shortest possible trace to ground via thermal pad. Use Value: ±30kV air-gap rating meets EN 61000-4-2 requirements for public-access kiosks; 6A surge capability guards against induced transients in noisy retail electrical environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ESD441DPYR | Larger 0402 (DPY) package (1.0mm × 0.6mm); 8.2V clamping at 16A TLP; 0.16Ω RDYN; same 1pF capacitance and ±30kV rating. | Better thermal dissipation (RθJA = 448.9°C/W vs. 519.9°C/W) but requires more PCB area - preferred for higher-power or thermally constrained layouts. | Select ESD441DPYR when board layout allows larger footprint and thermal performance outweighs size constraints. |
| TPD1E05U06DPYR | Same 0402 DPY package; bidirectional configuration; 6.5V clamping at 16A TLP; 0.25Ω RDYN; 0.6pF capacitance. | Supports AC-coupled or floating lines (e.g., audio jack, antenna switches); lower capacitance trades off higher leakage (100nA max) and reduced surge rating (4A). | Choose TPD1E05U06DPYR only for bidirectional signal paths where polarity reversal is possible and 0.6pF is mandatory. |
Compared with ESD441DPLR, ESD441DPYR offers improved thermal handling in a larger footprint, while TPD1E05U06DPYR provides bidirectional protection with lower capacitance but reduced surge robustness and higher leakage - neither is pin-compatible, and layout adaptation is required for either alternative.
Availability
ESD441DPLR is available at Aetrix Electronics and suitable for USB 2.0 port protection, HDMI 1.4 interface hardening, and wearable sensor hub I/O safeguarding requiring stable component supply across high-mix, low-volume production runs.
Supply support for ESD441DPLR 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
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and high-reliability components for industrial, automotive, and consumer systems.
The ESD441 series belongs to TI's precision ESD protection portfolio, engineered specifically for ultra-low-capacitance, high-speed data line protection in miniaturized portable and IoT devices.
FAQ
What is the primary circuit role of the ESD441DPLR?
The ESD441DPLR functions as a unidirectional transient voltage suppression (TVS) diode, placed in parallel between an I/O signal line and ground to clamp ESD and surge transients. Its role is purely passive protection - it does not regulate voltage, switch signals, or provide control logic. During an ESD event, the ESD441DPLR conducts current to ground once the voltage exceeds its 7V breakdown threshold, limiting the peak voltage seen by downstream ICs to 7.6V at 16A TLP. This protects 5.5V-tolerant interfaces like USB 2.0 and HDMI 1.4 without interfering with normal signal operation.
Does the ESD441DPLR support bidirectional signal lines like USB D+ and D−?
No - the ESD441DPLR is a unidirectional device intended for DC-biased or ground-referenced signal lines (e.g., HDMI TMDS+, SIM VCC, GPIO with pull-up). For true bidirectional lines such as USB 2.0 D+ and D−, two ESD441DPLR units are required per line (one anode-to-signal, one cathode-to-signal) or a dedicated bidirectional part like TPD1E05U06DPYR should be used. Using a single unidirectional ESD441DPLR on a bidirectional line risks forward conduction during normal signaling, causing data corruption or excessive leakage. Always verify signal polarity and DC bias before selecting ESD441DPLR.
What is the maximum recommended trace length between ESD441DPLR and the protected IC?
Texas Instruments recommends keeping the trace from ESD441DPLR Pin 1 (I/O) to the protected IC's I/O pin under 2mm, and the trace from ESD441DPLR Pin 2 (GND) to the nearest low-impedance ground plane via under 1mm. Longer traces add inductance that degrades clamping performance - a 5mm trace can increase clamped voltage by >2V during 16A TLP events. The ESD441DPLR's 0.6mm × 0.3mm 0201 footprint enables placement directly at the connector or IC pad. Layout guidelines in TI's SLUA271 application report confirm that minimizing loop area between I/O, device, and ground is critical to achieving the specified 7.6V clamping voltage.
Can ESD441DPLR protect a 5.5V power rail?
Yes - the ESD441DPLR is rated for 5.5V maximum operating voltage (VIO) and provides robust protection for 5.5V rails in portable electronics. Its 7V typical breakdown and 7.6V clamping at 16A TLP ensure the rail stays within safe limits during ESD events. However, it is not a replacement for a dedicated power-supply TVS (e.g., SMAJ5.0A) in high-energy surge scenarios: its 6A IEC 61000-4-5 rating applies to short-duration transients, not sustained overvoltage. For primary power rail protection, pair ESD441DPLR with upstream current limiting (e.g., polyfuse) and validate with system-level IEC 61000-4-5 testing. The ESD441DPLR datasheet explicitly cites "5.5V power rails in portable electronics" as a target application.
Is ESD441DPLR compatible with lead-free reflow profiles?
Yes - ESD441DPLR is RoHS-compliant and qualified for lead-free reflow with a Moisture Sensitivity Level (MSL) rating of Level-1 (unlimited floor life at ≤30°C/60% RH) and a peak reflow temperature of 260°C. Its NiPdAu (NIPDAU) lead finish ensures reliable solder wetting and intermetallic formation under standard JEDEC J-STD-020 profiles. The X2SON DPL package's 0.45mm max height and thermal pad design support uniform heating and void-free solder joints. TI's packaging documentation confirms ESD441DPLR has passed qualification testing for 3× reflow cycles at 260°C, making it suitable for high-yield automated assembly of compact consumer boards.
ESD441DPLR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 0201 (0603 Metric)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5.5V (Max)
- Voltage - Breakdown (Min):
- 6V
- Voltage - Clamping (Max) @ Ipp:
- 7.6V (Typ)
- Current - Peak Pulse (10/1000µs):
- 6A (8/20µs)
- Power - Peak Pulse:
- 45W
- Power Line Protection:
- No
- Applications:
- HDMI, USB
- Capacitance @ Frequency:
- 1pF @ 1MHz
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 2-X2SON (0.6x0.3)
ESD441DPLR FAQ
1.How can I place an order for ESD441DPLR through Aetrix?
Please submit a Request for Quotation (RFQ) for ESD441DPLR 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 ESD441DPLR reliable?
The price and inventory of ESD441DPLR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ESD441DPLR is usually 5 days.
3.What payment methods are accepted for ESD441DPLR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ESD441DPLR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ESD441DPLR?
ESD441DPLR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ESD441DPLR 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 ESD441DPLR?
For technical support, including ESD441DPLR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ESD441DPLR requirements.
6.How does Aetrix verify that ESD441DPLR is sourced from the original manufacturer or authorized distributors?
All ESD441DPLR 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 ESD441DPLR meets industry standards.
7.What is the process for return or replacement of ESD441DPLR?
All ESD441DPLR units undergo pre-shipment inspection (PSI). If there is an issue with ESD441DPLR, 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 ESD441DPLR part is unused and in its original packaging.
Return procedure for ESD441DPLR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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