Vishay General Semiconductor - Diodes Division VESD12C1-HD1-G3-08
- Part No.:
- VESD12C1-HD1-G3-08
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- 0402 (1006 Metric)
- Datasheet:
-
VESD12C1-HD1-G3-08.pdf
- Description:
- 12V;IR=0.1UA;IP=4.4A;P=W;CD=40PF
- Quantity:
- Payment:

- Shipping:

Inventory:9,258
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Product details
Overview
VESD12C1-HD1-G3-08 from Vishay Semiconductors is a unidirectional ESD-protection diode in DFN1006-2A package, rated for 12 V reverse standoff voltage, 4.4 A peak pulse current (IEC 61000-4-5), and 30 kV ESD immunity (IEC 61000-4-2 contact/air discharge), used to safeguard high-speed data lines in automotive infotainment interfaces.
For engineers reviewing the VESD12C1-HD1-G3-08 datasheet, VESD12C1-HD1-G3-08 pinout, VESD12C1-HD1-G3-08 application, or VESD12C1-HD1-G3-08 equivalent, key selection criteria include clamping voltage at 4.4 A (20.5–22.7 V), low 26–40 pF capacitance at 0 V, dynamic resistance of 0.4 Ω, and AEC-Q101 qualification status for automotive deployment.
Technical Context
This device implements a single-line, unidirectional TVS structure optimized for transient suppression on I/O lines with strict capacitance constraints. Its DFN1006-2A footprint enables placement directly at connector entry points without signal integrity degradation.
It operates within -55 °C to +150 °C junction temperature range and delivers 100 W peak pulse power handling per IEC 61000-4-5 (8/20 μs waveform), with reverse leakage < 0.1 μA at 12 V and forward clamping of 1.6–1.88 V at 4.4 A surge current.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage | 12 V - Maximum continuous operating voltage before conduction begins; sets upper limit for protected line DC bias. |
| Reverse Clamping Voltage | 20.5–22.7 V at 4.4 A - Peak voltage seen by downstream circuit during worst-case 8/20 μs surge; defines protection threshold. |
| Capacitance | 26–40 pF at 0 V, 1 MHz - Low enough for USB 2.0, HDMI, and automotive CAN-FD signal integrity preservation. |
| ESD Immunity | ±30 kV contact / ±30 kV air (IEC 61000-4-2) - Meets automotive OEM requirements for human-body-model robustness. |
| Dynamic Resistance | 0.4 Ω - Low impedance limits voltage overshoot during fast transients; critical for sub-nanosecond ESD events. |
| Package | DFN1006-2A - 1.0 × 0.6 mm, 0.4 mm height; compatible with automated SMT assembly and AOI inspection. |
| AEC-Q101 Qualified | Yes - Validated for automotive underhood and cabin applications per stress test requirements. |
Pinout & Package
DFN1006-2A package: 1.0 mm × 0.6 mm body, 0.4 mm max height, cathode marked by bar on top surface. Two-terminal configuration with exposed pad not electrically connected.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode | Connected to protected line (e.g., USB D+); conducts during positive transients toward ground. |
| Pin 2 | Cathode | Connected to system ground; provides low-impedance path for ESD current; marked with bar on package top. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low capacitance | 26–40 pF enables use on 480 Mbps USB 2.0 and 100 Mbps automotive Ethernet PHY interfaces without signal distortion. |
| High ESD robustness | ±30 kV contact/air ensures compliance with ISO 10605 and IEC 61000-4-2 Level 4 for automotive electronics. |
| Low clamping voltage | 20.5–22.7 V at 4.4 A protects 12 V logic rails and interface ICs with tight VIH/VIL margins. |
| AEC-Q101 qualification | Validated for automotive temperature cycling, humidity, and mechanical shock per JESD47 standards. |
| Sn (e3) lead plating | Tin termination supports Pb-free reflow profiles up to 260 °C peak and enables AOI-compatible solder joint inspection. |
Applications
| Automotive Infotainment Display Interface | USB 2.0 Data Line Protection |
|---|---|
Use Scenario: Protecting LVDS or FPD-Link III video data lines between head unit and TFT display in vehicles. IC Role / Device Role / Timing Role: Unidirectional ESD clamp placed at display connector to shunt transients before reaching serializer/deserializer ICs. Use Value: 26–40 pF capacitance avoids skew and jitter on >100 MHz pixel clock; ±30 kV rating meets GMW3172 and Ford EMC-CS-2009 requirements. |
Use Scenario: Safeguarding USB 2.0 D+ and D− lines in telematics control units against hot-plug and cable discharge events. IC Role / Device Role / Timing Role: Single-line TVS per data line, mounted adjacent to USB receptacle to minimize trace inductance. Use Value: 12 V standoff matches USB 2.0 VCC rail; 20.5–22.7 V clamping prevents damage to USB transceivers while preserving eye diagram integrity. |
| Automotive Body Control Module I/O | Industrial Sensor Interface Protection |
Use Scenario: Shielding LIN bus or PWM-controlled LED driver outputs from ESD in door modules and lighting ECUs. IC Role / Device Role / Timing Role: Point-of-entry protection on 12 V supply or signal lines exiting sealed housing grommets. Use Value: AEC-Q101 qualification ensures reliability across -40 °C to +125 °C ambient; 0.4 Ω dynamic resistance minimizes voltage overshoot during fast ESD pulses. |
Use Scenario: Securing analog sensor inputs (e.g., pressure, temperature) in industrial PLC I/O modules exposed to field wiring. IC Role / Device Role / Timing Role: Low-capacitance clamp on 0–10 V or 4–20 mA signal paths to prevent latch-up in precision ADC front-ends. Use Value: 12 V standoff accommodates common industrial supply rails; < 0.1 μA leakage at 12 V avoids measurement offset errors in μA-level current loops. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD-protection diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ12A | DO-214AC package; 12 V standoff; 23.2 V clamping at 12.5 A; 1000 pF capacitance. | Not suitable for high-speed data lines due to excessive capacitance; intended for power rail protection. | Select only for non-signal applications where board space and speed are not constraints. |
| TPD2E001DRYR | 2-channel, bidirectional; 5 V standoff; 12 V clamping at 1 A; 11 pF capacitance; no AEC-Q101 qualification. | Lacks automotive qualification and 12 V standoff; designed for portable consumer USB ports, not 12 V automotive buses. | Use only in non-automotive, low-voltage (< 6 V) digital interfaces requiring dual-line protection. |
Compared with SMAJ12A and TPD2E001DRYR, VESD12C1-HD1-G3-08 uniquely combines 12 V standoff, ±30 kV ESD rating, automotive qualification, and sub-40 pF capacitance-enabling direct integration into space-constrained, high-reliability automotive data paths where both voltage margin and signal fidelity are critical.
Availability
VESD12C1-HD1-G3-08 is available at Aetrix Electronics and suitable for automotive infotainment systems, USB 2.0 interface protection, and industrial sensor signal conditioning requiring stable component supply and long-term lifecycle support.
Supply support for VESD12C1-HD1-G3-08 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
Vishay Intertechnology is a global semiconductor manufacturer specializing in discrete components, sensors, and passive elements with focus on reliability and performance in harsh environments.
VESD12C1-HD1-G3-08 belongs to Vishay's VESDxxC1-HD1 family of ultra-low-capacitance ESD protection diodes engineered specifically for automotive-grade high-speed serial interfaces and industrial I/O protection.
FAQ
What is the maximum operating temperature for VESD12C1-HD1-G3-08?
VESD12C1-HD1-G3-08 has a junction temperature range of -55 °C to +150 °C and storage temperature range of -65 °C to +150 °C, making it suitable for under-hood automotive applications and industrial environments with wide thermal excursions. The DFN1006-2A package supports reliable operation at these extremes when mounted per Vishay's recommended footprint.
Does VESD12C1-HD1-G3-08 meet AEC-Q101 requirements?
Yes, VESD12C1-HD1-G3-08 is AEC-Q101 qualified. This qualification confirms its suitability for automotive applications through rigorous testing including temperature cycling, high-temperature operating life, and ESD robustness per JESD47 standards. The "HD1" suffix in the part number denotes this automotive-grade variant.
What is the reverse clamping voltage of VESD12C1-HD1-G3-08 at its rated peak pulse current?
VESD12C1-HD1-G3-08 exhibits a reverse clamping voltage of 20.5–22.7 V at its rated peak pulse current of 4.4 A (IEC 61000-4-5, 8/20 μs waveform). This value ensures downstream 12 V logic and interface ICs remain within safe operating limits during surge events.
How does the capacitance of VESD12C1-HD1-G3-08 affect high-speed signal integrity?
VESD12C1-HD1-G3-08 has a typical capacitance of 33 pF at 0 V and 1 MHz, with a range of 26–40 pF. This low value minimizes signal attenuation and timing skew on high-speed lines such as USB 2.0 (480 Mbps) and automotive FPD-Link III, preserving eye diagram margins and ensuring reliable bit error rate performance.
Is VESD12C1-HD1-G3-08 unidirectional or bidirectional?
VESD12C1-HD1-G3-08 is a unidirectional ESD protection diode, configured with anode and cathode terminals to protect circuits referenced to ground against positive transients. Its marking bar identifies the cathode, and it is intended for use on lines with defined DC bias polarity, such as 12 V supply rails or single-ended data signals.
VESD12C1-HD1-G3-08 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- 0402 (1006 Metric)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 12V (Max)
- Voltage - Breakdown (Min):
- 14.3V
- Voltage - Clamping (Max) @ Ipp:
- 22.7V
- Current - Peak Pulse (10/1000µs):
- 4.4A (8/20µs)
- Power - Peak Pulse:
- 100W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 33pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DFN1006-2A
VESD12C1-HD1-G3-08 FAQ
1.How can I place an order for VESD12C1-HD1-G3-08 through Aetrix?
Please submit a Request for Quotation (RFQ) for VESD12C1-HD1-G3-08 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 VESD12C1-HD1-G3-08 reliable?
The price and inventory of VESD12C1-HD1-G3-08 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VESD12C1-HD1-G3-08 is usually 5 days.
3.What payment methods are accepted for VESD12C1-HD1-G3-08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VESD12C1-HD1-G3-08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VESD12C1-HD1-G3-08?
VESD12C1-HD1-G3-08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VESD12C1-HD1-G3-08 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 VESD12C1-HD1-G3-08?
For technical support, including VESD12C1-HD1-G3-08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VESD12C1-HD1-G3-08 requirements.
6.How does Aetrix verify that VESD12C1-HD1-G3-08 is sourced from the original manufacturer or authorized distributors?
All VESD12C1-HD1-G3-08 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 VESD12C1-HD1-G3-08 meets industry standards.
7.What is the process for return or replacement of VESD12C1-HD1-G3-08?
All VESD12C1-HD1-G3-08 units undergo pre-shipment inspection (PSI). If there is an issue with VESD12C1-HD1-G3-08, 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 VESD12C1-HD1-G3-08 part is unused and in its original packaging.
Return procedure for VESD12C1-HD1-G3-08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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