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Texas Instruments ESD751DYAR
- Part No.:
- ESD751DYAR
- Manufacturer:
- Texas Instruments
- Category:
- TVS Diodes
- Package:
- SC-79, SOD-523
- Datasheet:
-
ESD751DYAR.pdf
- Description:
- 2.5-PF 24-V 22-KV ESD PROTECTION
- Quantity:
- Payment:
- Shipping:
Inventory:6,953
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Product details
Overview
ESD751DYAR from Texas Instruments is a single-channel bidirectional TVS diode for IEC 61000-4-2 Level 4 ESD protection in USB-PD and industrial I/O lines, featuring ±22-kV contact/air-gap ESD rating, 24-V working voltage (VRWM), 1.6-pF typical I/O capacitance, and 36.5-V clamping voltage at 2.8-A surge current - deployed on VBUS, CC, and SBU lines of USB-C connectors.
For engineers reviewing the ESD751DYAR datasheet, ESD751DYAR pinout, ESD751DYAR application, or ESD751DYAR equivalent, key selection criteria include bidirectional clamping behavior, low dynamic resistance (0.6 Ω), thermal robustness (–55°C to +150°C), AOI-compatible SOD-523 (DYA) package, and compatibility with 480-Mbps USB 2.0 signaling.
Technical Context
The ESD751DYAR operates as a passive, bidirectional clamping diode activated above its breakdown voltage (±25.5 V min), with snapback behavior ensuring low clamping voltage during transient events. Its low dynamic resistance (0.6 Ω) and fast response maintain safe voltage stress (<36.5 V) on protected ICs under 8/20-µs IEC 61000-4-5 surges up to 2.8 A.
Designed for placement directly at I/O connectors, it relies on minimal trace inductance to suppress EMI coupling during ESD strikes. The device remains in high-impedance state below ±24-V VRWM, exhibiting only 50-nA max leakage at ±24 V - enabling use in battery-sensitive and wide-temperature industrial systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Rating (IEC 61000-4-2) | ±22-kV contact & air-gap discharge - exceeds Level 4 immunity requirement for harsh industrial and consumer interfaces |
| Working Voltage (VRWM) | ±24 V - safely isolates downstream circuitry during USB-PD VBUS shorts up to ±20 V without conduction |
| Clamping Voltage (VCLAMP) | 36.5 V at 2.8-A 8/20-µs surge - limits transient overvoltage to levels compatible with 3.3-V/5-V interface ICs |
| I/O Capacitance | 1.6 pF typical - enables signal integrity preservation for USB 2.0 (480 Mbps) and industrial analog I/O lines |
| Dynamic Resistance | 0.6 Ω - ensures minimal voltage overshoot during fast ESD transients by sustaining low impedance in clamped state |
| Operating Temperature | –55°C to +150°C - supports deployment in automotive under-hood, PLC, and industrial motor control environments |
| Surge Current (IEC 61000-4-5) | 2.8 A (8/20 µs) - provides robust protection against lightning-induced surges on power and data lines |
Pinout & Package
SOT-5X3 (DYA) package - 2-pin SOD-523 footprint, 1.60 mm × 0.80 mm body size, 0.77-mm max height, lead-free Sn finish, MSL Level-3 (260°C, 168 hr), optimized for automatic optical inspection (AOI).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | I/O | Bidirectional ESD-protected signal line - connects to USB CC, SBU, D+, D−, or industrial I/O node requiring ±22-kV ESD immunity |
| 2 | GND | Low-inductance ground return path - must be routed short and wide to minimize clamping voltage rise during surge events |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Protects both positive and negative polarity transients on same line - eliminates need for dual-diode configurations in differential or AC-coupled paths |
| Low dynamic resistance | 0.6 Ω ensures rapid voltage collapse during ESD strike - reduces peak stress on protected USB PD controller or ADC input |
| Ultra-low capacitance | 1.6 pF typical minimizes signal distortion and insertion loss - preserves eye diagram integrity for USB 2.0 full-speed operation |
| High-temp reliability | Rated from –55°C to +150°C - maintains leakage & clamping performance across extended thermal cycles in industrial enclosures |
| AOI-compatible packaging | SOD-523 (DYA) leads enable automated optical inspection - improves manufacturing yield in high-volume USB-C connector assembly |
Applications
| USB Power Delivery (VBUS Protection) | Industrial 4–20 mA Loop Protection |
|---|---|
Use Scenario: Protects USB-C VBUS rail against ESD events during hot-plug insertion and cable handling in portable chargers and docking stations. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed between VBUS and chassis/system ground - absorbs ±22-kV contact discharge before reaching overvoltage protection IC. Use Value: Prevents latch-up or damage to buck-boost controllers rated for ≤30-V absolute max, leveraging 36.5-V clamping at 2.8-A surge. |
Use Scenario: Shields 4–20 mA transmitter/receiver inputs in programmable logic controllers exposed to field wiring ESD in factory automation. IC Role / Device Role / Timing Role: Low-capacitance ESD shunt on current-loop sense resistor nodes - clamps transients without distorting analog current measurement accuracy. Use Value: Maintains <±0.1% full-scale error under ESD stress due to 1.6-pF capacitance and sub-50-nA leakage at 24-V loop supply. |
| USB-C Configuration Channel (CC) Line Protection | PLC Analog Input Module Protection |
Use Scenario: Secures CC1/CC2 negotiation lines in USB-C receptacles against electrostatic discharge during cable mating in industrial HMI panels. IC Role / Device Role / Timing Role: Standalone bidirectional ESD diode mounted adjacent to USB-C connector - routes ESD current directly to ground plane with minimal trace inductance. Use Value: Enables reliable plug detection and power role negotiation by limiting CC line overvoltage to <36.5 V during ±22-kV contact discharge. |
Use Scenario: Guards 16-bit precision ADC inputs in distributed I/O modules connected to sensors in noisy plant-floor environments. IC Role / Device Role / Timing Role: Front-end transient suppressor on ADC input pins - clamps fast ESD pulses before they propagate into SAR conversion circuitry. Use Value: Preserves DC accuracy and noise floor (≤10 µV RMS) by avoiding leakage-induced offset shift and minimizing parasitic capacitance loading. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ESD761DPYR | Smaller X1SON (DPY) package (1.0 × 0.6 mm), lower capacitance (1.1 pF), reduced surge rating (1.8 A vs. 2.8 A), higher thermal resistance (282.3°C/W vs. 746.3°C/W) | Better suited for space-constrained USB-C port designs where ultra-low capacitance dominates over surge margin | Select ESD761DPYR when board area is critical and surge threat level is moderate; retain ESD751DYAR for higher-energy industrial surge environments. |
| TPD2EUSB30DRYR | 3-channel array (D+/D−/ID), 0.5-pF per channel, ±12-kV IEC 61000-4-2, 3.6-V VRWM - not rated for 24-V VBUS protection | Targeted specifically at high-speed USB 3.0/3.1 differential pairs; lacks standalone VBUS/CC line capability | Choose TPD2EUSB30DRYR only for SuperSpeed data lane protection; ESD751DYAR remains required for USB-PD power and control line hardening. |
Compared with ESD761DPYR and TPD2EUSB30DRYR, the ESD751DYAR uniquely balances 24-V working voltage, ±22-kV ESD immunity, and 2.8-A surge capacity in an AOI-friendly SOD-523 package - making it the preferred discrete solution for robust USB-PD VBUS and industrial I/O protection where layout space and thermal dissipation permit.
Availability
ESD751DYAR is available at Aetrix Electronics and suitable for USB power delivery systems, industrial 4–20 mA transmitters, and PLC analog input modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for ESD751DYAR 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 company delivering analog and embedded processing solutions, with leadership in precision analog, power management, and signal chain technologies for industrial, automotive, and communications markets.
The ESD751DYAR belongs to TI's high-reliability ESD protection portfolio, engineered specifically for USB-C power delivery and ruggedized industrial I/O interfaces where ±22-kV ESD immunity, low capacitance, and wide-temperature operation are mandatory design requirements.
FAQ
What is the maximum continuous reverse voltage rating for ESD751DYAR?
The ESD751DYAR has a reverse stand-off voltage (VRWM) of ±24 V - meaning it remains non-conductive and exhibits <50 nA leakage up to ±24 V across its I/O and GND terminals. This rating allows safe integration into 20-V USB-PD VBUS circuits where momentary shorts may occur without triggering conduction.
Does ESD751DYAR support bidirectional ESD protection on a single line?
Yes, the ESD751DYAR is inherently bidirectional: its symmetrical breakdown voltage (±25.5 V min) and clamping behavior protect against both positive and negative polarity ESD transients on the same I/O line - eliminating the need for back-to-back diode configurations in USB CC, SBU, or analog sensor interfaces.
What is the clamping voltage of ESD751DYAR under IEC 61000-4-5 surge conditions?
Under an 8/20-µs IEC 61000-4-5 surge waveform at 2.8-A peak current, the ESD751DYAR clamps to 36.5 V maximum. This value reflects worst-case voltage seen by downstream components during high-energy surge events - critical for ensuring compatibility with 3.3-V or 5-V interface ICs.
Can ESD751DYAR be used for USB 2.0 data line (D+/D−) protection?
Yes, the ESD751DYAR is qualified for USB 2.0 full-speed (480 Mbps) applications due to its 1.6-pF typical capacitance and low dynamic resistance (0.6 Ω), which preserve signal integrity and eye diagram margins. It is commonly deployed on D+/D− lines in USB-C receptacles where VBUS-level protection is also required.
What package type and mounting compatibility does ESD751DYAR offer?
The ESD751DYAR uses the SOT-5X3 (DYA) package - a 2-pin SOD-523 variant with 1.60 mm × 0.80 mm body size and gull-wing leads. Its leaded construction supports automatic optical inspection (AOI), reflow soldering per MSL Level-3, and standard pick-and-place assembly in high-volume USB-C module production.
ESD751DYAR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- SC-79, SOD-523
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 24V (Max)
- Voltage - Breakdown (Min):
- 35.5V
- Voltage - Clamping (Max) @ Ipp:
- 36.5V (Typ)
- Current - Peak Pulse (10/1000µs):
- 2.8A (8/20µs)
- Power - Peak Pulse:
- 102W
- Power Line Protection:
- No
- Applications:
- USB
- Capacitance @ Frequency:
- 1.6pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-5X3
ESD751DYAR FAQ
1.How can I place an order for ESD751DYAR through Aetrix?
Please submit a Request for Quotation (RFQ) for ESD751DYAR 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 ESD751DYAR reliable?
The price and inventory of ESD751DYAR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ESD751DYAR is usually 5 days.
3.What payment methods are accepted for ESD751DYAR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ESD751DYAR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ESD751DYAR?
ESD751DYAR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ESD751DYAR 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 ESD751DYAR?
For technical support, including ESD751DYAR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ESD751DYAR requirements.
6.How does Aetrix verify that ESD751DYAR is sourced from the original manufacturer or authorized distributors?
All ESD751DYAR 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 ESD751DYAR meets industry standards.
7.What is the process for return or replacement of ESD751DYAR?
All ESD751DYAR units undergo pre-shipment inspection (PSI). If there is an issue with ESD751DYAR, 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 ESD751DYAR part is unused and in its original packaging.
Return procedure for ESD751DYAR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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