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Texas Instruments ESD1LIN24DYFR
- Part No.:
- ESD1LIN24DYFR
- Manufacturer:
- Texas Instruments
- Category:
- TVS Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
ESD1LIN24DYFR.pdf
- Description:
- 3-PF 24-V 30-KV ESD PROTECTION D
- Quantity:
- Payment:
- Shipping:
Inventory:1,270
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Product details
Overview
ESD1LIN24DYFR from Texas Instruments is a single-channel bidirectional TVS diode designed for LIN bus and USB-PD VBUS line protection, featuring ±24-V reverse stand-off voltage, 2.3-pF typical I/O capacitance, 4.3-A IEC 61000-4-5 surge rating (8/20 µs), ±30-kV IEC 61000-4-2 contact/air-gap ESD immunity, and operation from –55°C to +150°C.
For engineers reviewing the ESD1LIN24DYFR datasheet, ESD1LIN24DYFR pinout, ESD1LIN24DYFR application, or ESD1LIN24DYFR equivalent, this device serves as a low-capacitance, high-reliability ESD clamp for automotive LIN transceivers, industrial I/O interfaces, and USB power delivery lines where clamping voltage ≤42 V at 4.3 A and minimal signal distortion are critical.
Technical Context
The ESD1LIN24DYFR operates as a passive bidirectional clamping diode with snapback behavior: it remains in high-impedance state below ±24 V (VRWM), triggers at ±25.5 V (VBR), and clamps transients to ≤42 V (VCLAMP) at 4.3 A. Its dynamic resistance of 0.5 Ω ensures minimal voltage overshoot during fast ESD events.
Designed specifically for LIN physical layer protection, it supports data rates up to 10 Mbps while maintaining 2.3 pF capacitance - low enough to avoid signal integrity degradation on slow-speed buses. The SOD-323 (DYF) package enables AOI-compatible assembly and thermal performance with RθJA = 705.4°C/W.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Stand-off Voltage (VRWM) | ±24 V - Withstands continuous system voltage up to 24 V without conduction, preventing false triggering during LIN bus short-to-battery events. |
| Clamping Voltage (VCLAMP) | 42 V max at 4.3 A (8/20 µs) - Limits transient voltage seen by downstream LIN transceiver to safe level, avoiding latch-up or damage. |
| I/O Capacitance | 2.3 pF typical at 0 V, 1 MHz - Enables clean signal integrity on LIN (≤20 kbps) and USB-PD control lines without timing skew or rise-time degradation. |
| ESD Immunity | ±30 kV contact & air-gap (IEC 61000-4-2 Level 4) - Meets highest industrial and automotive ESD robustness requirements for exposed connectors. |
| Operating Temperature | –55°C to +150°C - Supports under-hood automotive LIN nodes and industrial control cabinets without derating. |
| Leakage Current | ±50 nA max at ±24 V - Minimizes standby power loss in battery-backed LIN slave nodes and energy-sensitive IoT edge devices. |
| Dynamic Resistance | 0.5 Ω - Ensures rapid voltage stabilization during ESD strike, reducing stress duration on protected ICs. |
Pinout & Package
ESD1LIN24DYFR is housed in a leaded SOD-323 (DYF) surface-mount package measuring 2.50 mm × 1.20 mm with maximum height of 1.0 mm, optimized for automatic optical inspection (AOI) and high-reliability reflow soldering (MSL Level-3, 260°C peak).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | I/O | Protected signal line - connects directly to LIN bus or USB-PD VBUS trace; bidirectionally clamps transients to GND. |
| 2 | GND | Low-inductance ground return - must be routed with short, wide trace to minimize clamping loop inductance and preserve response speed. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Protects against both positive and negative polarity ESD strikes on same line - essential for LIN's single-wire differential signaling. |
| Low clamping voltage | VCLAMP ≤42 V at 4.3 A ensures LIN transceivers (e.g., TCAN1042, TLE6250) remain within absolute maximum ratings during surge events. |
| Ultra-low capacitance | 2.3 pF avoids signal distortion on LIN (up to 20 kbps) and USB-PD CC lines - no need for layout compensation or bandwidth limiting. |
| High-temperature operation | Rated from –55°C to +150°C - qualified for engine compartment LIN nodes and industrial motor drives without thermal derating. |
| Lead finish & MSL compliance | Sn (matte tin) lead finish, MSL Level-3 (260°C, 168 hr) - supports standard SMT processes and long-term storage before assembly. |
Applications
| LIN Bus Protection | USB-PD VBUS Line Protection |
|---|---|
|
Use Scenario: LIN physical layer interface between ECU and body control module in automotive applications, exposed to cable discharge and jump-start transients. IC Role / Device Role / Timing Role: Passive ESD clamp placed between connector and LIN transceiver input, providing instantaneous overvoltage shunting without affecting DC bias or signal timing. Use Value: Prevents transceiver latch-up during ±30-kV ESD events and withstands 24-V short-to-battery conditions - enabling ASIL-B compliant node reliability. |
Use Scenario: VBUS line protection in USB-C PD sink applications, guarding against hot-plug surges and connector ESD. IC Role / Device Role / Timing Role: Bidirectional TVS diode connected between VBUS and GND, clamping transients before they reach PD controller or load switch. Use Value: Maintains <2.3-pF loading on VBUS to avoid PD negotiation timing violations while surviving 4.3-A IEC 61000-4-5 surges. |
| Industrial I/O Protection | Smart Distribution Systems |
|
Use Scenario: Digital input/output lines in PLC modules and fieldbus gateways operating in harsh factory environments. IC Role / Device Role / Timing Role: ESD guard for 24-V industrial I/O pins, placed adjacent to connector to minimize PCB trace inductance. Use Value: Delivers ±30-kV ESD immunity and 4.3-A surge handling without adding series resistance or capacitance that would degrade 10-ms response time specs. |
Use Scenario: Protection of LIN-based smart fuse boxes and programmable circuit breakers communicating over vehicle or building networks. IC Role / Device Role / Timing Role: Signal-line protector on LIN bus segment powering distributed sensors and actuators. Use Value: Enables >150°C operation in enclosed enclosures and maintains <50 nA leakage to preserve battery life in always-on monitoring circuits. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ESD1LIN24-Q1 | Automotive-grade variant with AEC-Q100 qualification, identical electrical specs and SOD-323 package. | Required for safety-critical automotive LIN nodes (e.g., ADAS domain controllers); not needed for industrial or consumer use. | Select ESD1LIN24-Q1 only when automotive qualification and zero-defect reliability are mandated. |
| TPD2E001DRYR | 2-channel, 5.5-V VRWM, 1.5-pF capacitance, lower voltage rating, same SOT-5X3 package. | Suitable for low-voltage I²C/UART lines but cannot withstand 24-V LIN or USB-PD VBUS operation. | Use TPD2E001DRYR only for sub-6-V digital interfaces; ESD1LIN24DYFR is required for 24-V systems. |
Compared with ESD1LIN24-Q1, ESD1LIN24DYFR offers identical protection performance without automotive qualification overhead - ideal for cost-sensitive industrial designs. Versus TPD2E001DRYR, ESD1LIN24DYFR provides higher voltage tolerance and LIN-specific robustness, making it non-interchangeable in 24-V applications.
Availability
ESD1LIN24DYFR is available at Aetrix Electronics and suitable for LIN bus protection, USB-PD VBUS safeguarding, and industrial I/O interface design requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for ESD1LIN24DYFR 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 interface technologies.
The ESD1LIN24DYFR belongs to TI's ESD protection portfolio targeting automotive and industrial communication buses - engineered specifically for robust, low-capacitance clamping on LIN, USB-PD, and industrial I/O lines.
FAQ
What is the primary function of the ESD1LIN24DYFR in a LIN bus system?
The ESD1LIN24DYFR functions as a bidirectional TVS diode that clamps ESD and surge transients on the LIN bus line to protect the LIN transceiver. It sits between the connector and transceiver, conducting only during overvoltage events (≥±25.5 V breakdown) while remaining high-impedance during normal operation (±24 V VRWM). Its 2.3-pF capacitance and ≤42-V clamping ensure signal integrity and IC safety - a core requirement in ESD1LIN24DYFR-based LIN node designs.
Does the ESD1LIN24DYFR support USB-PD VBUS line protection, and what makes it suitable?
Yes, ESD1LIN24DYFR is explicitly rated for USB-PD VBUS protection per TI's application documentation. Its ±24-V VRWM accommodates USB-PD's 20-V nominal and 21-V minimum VBUS, while its 4.3-A IEC 61000-4-5 surge rating handles hot-plug surges. With only 2.3-pF capacitance, ESD1LIN24DYFR avoids distorting PD negotiation timing - a key differentiator versus higher-capacitance alternatives unsuitable for USB-PD.
What is the maximum operating temperature range specified for the ESD1LIN24DYFR?
The ESD1LIN24DYFR is rated for continuous operation from –55°C to +150°C, as confirmed in Section 6.4 (Recommended Operating Conditions) and Section 6.1 (Absolute Maximum Ratings) of the official datasheet. This extended range enables deployment in under-hood automotive LIN nodes, industrial motor drives, and smart distribution systems where ambient temperatures exceed 125°C - a capability verified across production lots and validated in TI's thermal characterization data (RθJA = 705.4°C/W).
How does the ESD1LIN24DYFR differ from the automotive-grade ESD1LIN24-Q1?
The ESD1LIN24DYFR and ESD1LIN24-Q1 share identical electrical specifications, pinout, SOD-323 (DYF) package, and thermal performance. The sole difference is qualification: ESD1LIN24-Q1 is AEC-Q100 certified for automotive safety-critical applications, while ESD1LIN24DYFR is for industrial and commercial use. No design changes are needed to migrate between them - only compliance documentation differs. Both parts use the same silicon die and manufacturing flow.
What is the clamping voltage of the ESD1LIN24DYFR at its rated surge current?
The ESD1LIN24DYFR has a maximum clamping voltage (VCLAMP) of 42 V when subjected to a 4.3-A, 8/20-µs IEC 61000-4-5 surge waveform - specified in Section 6.6 Electrical Characteristics of the datasheet. This value is measured from I/O to GND under standardized test conditions and guarantees that downstream components (e.g., LIN transceivers) experience no more than 42 V during worst-case surge events, well within their absolute maximum ratings.
ESD1LIN24DYFR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- SC-76, SOD-323
- 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:
- 42V
- Current - Peak Pulse (10/1000µs):
- 4.3A (8/20µs)
- Power - Peak Pulse:
- 159.1W
- Power Line Protection:
- No
- Applications:
- CAN, USB
- Capacitance @ Frequency:
- 2.3pF @ 1MHz
- Operating Temperature:
- -50°C ~ 150°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-323
ESD1LIN24DYFR FAQ
1.How can I place an order for ESD1LIN24DYFR through Aetrix?
Please submit a Request for Quotation (RFQ) for ESD1LIN24DYFR 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 ESD1LIN24DYFR reliable?
The price and inventory of ESD1LIN24DYFR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ESD1LIN24DYFR is usually 5 days.
3.What payment methods are accepted for ESD1LIN24DYFR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ESD1LIN24DYFR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ESD1LIN24DYFR?
ESD1LIN24DYFR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ESD1LIN24DYFR 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 ESD1LIN24DYFR?
For technical support, including ESD1LIN24DYFR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ESD1LIN24DYFR requirements.
6.How does Aetrix verify that ESD1LIN24DYFR is sourced from the original manufacturer or authorized distributors?
All ESD1LIN24DYFR 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 ESD1LIN24DYFR meets industry standards.
7.What is the process for return or replacement of ESD1LIN24DYFR?
All ESD1LIN24DYFR units undergo pre-shipment inspection (PSI). If there is an issue with ESD1LIN24DYFR, 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 ESD1LIN24DYFR part is unused and in its original packaging.
Return procedure for ESD1LIN24DYFR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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