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Vishay General Semiconductor - Diodes Division VESD12C1-02V-G3-08
- Part No.:
- VESD12C1-02V-G3-08
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- SC-79, SOD-523
- Datasheet:
-
VESD12C1-02V-G3-08.pdf
- Description:
- TVS DIODE 12VWM 22.7VC SOD523
- Quantity:
- Payment:
- Shipping:
Inventory:16,711
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Product details
Overview
VESD12C1-02V-G3-08 from Vishay Semiconductors is a unidirectional ESD-protection diode in SOD-523 package, rated for 12 V reverse stand-off voltage, 4.4 A peak pulse current (IEC 61000-4-5), and ±30 kV ESD immunity (IEC 61000-4-2 contact/air discharge). It delivers 20.5–22.7 V reverse clamping at full surge and 26–40 pF capacitance at 0 V bias, suited for high-speed USB 2.0 data line protection.
For engineers reviewing the VESD12C1-02V-G3-08 datasheet, VESD12C1-02V-G3-08 pinout, VESD12C1-02V-G3-08 application, or VESD12C1-02V-G3-08 equivalent, this page provides verified electrical parameters, SOD-523 terminal mapping, real-world use cases in automotive infotainment and industrial HMI interfaces, and two validated alternative parts with documented differences.
Technical Context
This device implements a single-line, unidirectional TVS structure optimized for low-capacitance transient suppression on signal lines operating up to 12 V DC. Its dynamic resistance of 0.4 Ω (TLP, 100 ns) ensures fast response to sub-nanosecond ESD events while maintaining low clamping overshoot.
The SOD-523 footprint supports high-density PCB layouts with <0.7 mm height and MSL level 1 moisture sensitivity. It is RoHS-compliant, lead (Pb)-free, and features Sn (e3) termination compatible with standard reflow profiles up to 260 °C peak temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Stand-off Voltage | 12 V - maximum continuous working voltage before leakage exceeds 0.1 μA; defines safe operating margin for 12 V supply or data lines. |
| Reverse Clamping Voltage | 20.5–22.7 V at 4.4 A, 8/20 μs - peak voltage seen by protected IC during worst-case surge; stays below typical 24 V logic rail limits. |
| Capacitance | 26–40 pF at 0 V, 1 MHz - low enough for USB 2.0 (480 Mbps) and I²C signal integrity without measurable rise-time degradation. |
| ESD Immunity | ±30 kV contact / ±30 kV air (IEC 61000-4-2) - meets automotive and industrial system-level ESD test requirements without external shielding. |
| Peak Pulse Power | 100 W (8/20 μs) - sustains multiple high-energy transients per IEC 61000-4-5 without parametric shift or failure. |
| Operating Temperature | −55 °C to +150 °C - qualified for under-hood automotive and industrial control environments with extended thermal cycling. |
Pinout & Package
SOD-523 package: 2-terminal surface-mount device with cathode marking bar; dimensions 1.3 × 0.9 × 0.7 mm (L × W × H); weight 1.32 mg; UL 94 V-0 molding compound; MSL level 1 per J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Pin 1) | Input signal path / protected line connection | Connected to the line requiring ESD protection (e.g., USB D+); conducts during forward surge events. |
| Cathode (Pin 2) | Ground reference / clamping node | Connected to system ground; sinks transient current during reverse-biased ESD events; marked with bar on top surface. |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional ESD protection | Enables precise clamping only on negative transients relative to ground, preserving signal polarity in DC-coupled lines. |
| Low 26–40 pF capacitance | Maintains signal integrity for high-speed digital interfaces including USB 2.0, HDMI DDC, and I²C without added jitter or attenuation. |
| AEC-Q101 qualification option | Available in AEC-Q101-qualified variant (VESD12C1-02VHG3-08), enabling direct use in automotive infotainment and body electronics. |
| 0.7 mm max. package height | Supports ultra-thin portable designs and stacked PCB assemblies where Z-axis clearance is constrained. |
| Sn (e3) lead finish | Enables automated optical inspection (AOI) and compatibility with standard solder paste reflow profiles without voiding or dewetting. |
Applications
| USB 2.0 Data Lines | Automotive Infotainment |
|---|---|
Use Scenario: Protecting D+ and D− pins of USB 2.0 ports in vehicle head units against ESD from user interaction and cable hot-plug events. IC Role / Device Role / Timing Role: Unidirectional clamping diode placed between data line and chassis ground, responding within <1 ns to divert >30 kV discharges. Use Value: Prevents latch-up or permanent damage to USB transceivers while maintaining <40 pF loading to preserve 480 Mbps eye diagram integrity. |
Use Scenario: Shielding touch controller I/O lines in center console displays exposed to repeated finger contact and environmental ESD. IC Role / Device Role / Timing Role: Single-line ESD suppressor on capacitive sense inputs, leveraging 12 V VRWM to match display interface voltage rails. Use Value: Eliminates need for external RC filters or ferrites, reducing BOM count and board area while meeting ISO 10605 30 kV system-level testing. |
| Industrial HMI Interfaces | Smart Sensor Signal Conditioning |
Use Scenario: Safeguarding RS-485 or CAN FD transceiver I/O pins in factory automation panels subjected to maintenance personnel ESD. IC Role / Device Role / Timing Role: Low-capacitance transient voltage suppressor on differential bus lines, operating within −55 °C to +150 °C ambient range. Use Value: Ensures uninterrupted communication during ESD events without signal distortion or false triggering due to <0.4 Ω dynamic resistance. |
Use Scenario: Protecting analog output pins (e.g., 4–20 mA loop drivers) and digital sensor outputs (I²C/SPI) in smart pressure or temperature transmitters. IC Role / Device Role / Timing Role: Standoff-rated clamp on low-power signal paths, using 12 V VRWM to align with common 12 V sensor supply domains. Use Value: Maintains microamp-level leakage (<0.1 μA at 12 V) to avoid calibration drift while delivering 100 W surge handling for field-installation robustness. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional ESD-protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ12A | DO-214AC package (3.5 × 2.1 mm), 12 V VBR, 100 W PPP, but 120 pF capacitance - 3× higher than VESD12C1-02V-G3-08. | Not suitable for USB 2.0 or high-speed buses; limited to lower-frequency analog or power-line protection. | Select only when board space allows larger footprint and signal bandwidth is ≤10 MHz. |
| TPD2E001DRYR | 2-channel bidirectional array in SOT-553, 12 V VRWM, 15 pF per channel, but rated only to ±8 kV IEC 61000-4-2. | Lacks required ±30 kV system-level ESD rating; insufficient for automotive or industrial front-panel interfaces. | Use only in consumer-grade internal PCBs where full IEC 61000-4-2 compliance is not mandated. |
Compared with SMAJ12A and TPD2E001DRYR, VESD12C1-02V-G3-08 uniquely combines SOD-523 miniaturization, ±30 kV ESD immunity, and sub-40 pF capacitance-enabling direct integration into space-constrained, high-reliability signal paths where both size and performance are non-negotiable.
Availability
VESD12C1-02V-G3-08 is available at Aetrix Electronics and suitable for automotive infotainment systems, industrial HMI interfaces, and smart sensor signal conditioning requiring stable component supply across long production lifecycles.
Supply support for VESD12C1-02V-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 Semiconductors is a global leader in discrete semiconductors, specializing in high-reliability diodes, MOSFETs, optoelectronics, and passive components for automotive, industrial, and computing markets.
The VESDxxC1-02V series targets compact, high-performance ESD protection for high-speed digital interfaces, designed specifically to meet stringent AEC-Q101 and IEC 61000-4-2 requirements in harsh environments.
FAQ
What is the maximum clamping voltage of the VESD12C1-02V-G3-08 during an ESD event?
The VESD12C1-02V-G3-08 exhibits a reverse clamping voltage of 20.5–22.7 V at 4.4 A peak pulse current (8/20 μs waveform per IEC 61000-4-5). This value represents the maximum voltage imposed on the protected line during worst-case surge conditions and is confirmed in the "Electrical Characteristics" table for VESD12C1-02V on page 5 of Vishay document 86130 rev. 1.4.
Is the VESD12C1-02V-G3-08 RoHS-compliant and lead-free?
Yes, the VESD12C1-02V-G3-08 is RoHS-compliant and lead (Pb)-free, with Sn (e3) lead plating. This is explicitly stated in the "Features" section and confirmed in the "Ordering Information" table, where "-G3" denotes green, RoHS-compliant, lead-free termination per JEDEC J-STD-609.
Does the VESD12C1-02V-G3-08 support automotive qualification?
The base VESD12C1-02V-G3-08 is not AEC-Q101 qualified, but the pin-compatible variant VESD12C1-02VHG3-08 is AEC-Q101 qualified. The "Ordering Information" table on page 1 lists "H" as the AEC-Q101 qualification code, and the "Features" section confirms AEC-Q101 qualification is available for this family.
What is the capacitance of the VESD12C1-02V-G3-08 at zero bias?
The VESD12C1-02V-G3-08 has a capacitance of 26–40 pF measured at 0 V reverse bias and 1 MHz frequency, as specified in the "Electrical Characteristics" table for VESD12C1-02V on page 5. This low, controlled capacitance enables use in USB 2.0 and other high-speed signal paths without compromising signal integrity.
How is the cathode identified on the VESD12C1-02V-G3-08 SOD-523 package?
The cathode of the VESD12C1-02V-G3-08 is marked with a bar on the top surface of the SOD-523 package, as shown in the "Marking (example only)" diagram on page 1. Pin 2 is the cathode terminal, and orientation in tape is standardized per the "Carrier Tape SOD-523" drawing on page 9.
VESD12C1-02V-G3-08 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- SC-79, SOD-523
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 12V (Max)
- Voltage - Breakdown (Min):
- 13.9V
- Voltage - Clamping (Max) @ Ipp:
- 22.7V
- Current - Peak Pulse (10/1000µs):
- 4.4A (8/20µs)
- Power - Peak Pulse:
- 100W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- 33pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-523
VESD12C1-02V-G3-08 FAQ
1.How can I place an order for VESD12C1-02V-G3-08 through Aetrix?
Please submit a Request for Quotation (RFQ) for VESD12C1-02V-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 VESD12C1-02V-G3-08 reliable?
The price and inventory of VESD12C1-02V-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 VESD12C1-02V-G3-08 is usually 5 days.
3.What payment methods are accepted for VESD12C1-02V-G3-08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VESD12C1-02V-G3-08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VESD12C1-02V-G3-08?
VESD12C1-02V-G3-08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VESD12C1-02V-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 VESD12C1-02V-G3-08?
For technical support, including VESD12C1-02V-G3-08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VESD12C1-02V-G3-08 requirements.
6.How does Aetrix verify that VESD12C1-02V-G3-08 is sourced from the original manufacturer or authorized distributors?
All VESD12C1-02V-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 VESD12C1-02V-G3-08 meets industry standards.
7.What is the process for return or replacement of VESD12C1-02V-G3-08?
All VESD12C1-02V-G3-08 units undergo pre-shipment inspection (PSI). If there is an issue with VESD12C1-02V-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 VESD12C1-02V-G3-08 part is unused and in its original packaging.
Return procedure for VESD12C1-02V-G3-08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
VESD12C1-02V-G3-08 Tags
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