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Diodes Incorporated D14V0S1U2WS-7
- Part No.:
- D14V0S1U2WS-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
D14V0S1U2WS-7.pdf
- Description:
- TVS DIODE 14VWM 26VC SOD323
- Quantity:
- Payment:
- Shipping:
Inventory:17,138
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Product details
Overview
D14V0S1U2WS from Diodes Incorporated is a unidirectional transient voltage suppression (TVS) diode designed for ESD protection of high-speed data lines in portable electronics. It features a 14 V reverse working voltage, ±30 kV IEC 61000-4-2 contact/air ESD rating, 360 pF typical junction capacitance, and 50 A peak pulse current capability in an SOD323 package - ideal for USB, HDMI, and audio interface protection in smartphones and digital cameras.
For engineers reviewing the D14V0S1U2WS datasheet, D14V0S1U2WS pinout, D14V0S1U2WS application, or D14V0S1U2WS equivalent, key selection criteria include clamping voltage at 50 A (26 V), low input capacitance for signal integrity, thermal derating above 25°C, and SOD323 footprint compatibility with space-constrained PCB layouts.
Technical Context
This TVS operates as a single-channel unidirectional clamp, triggered when reverse voltage exceeds 14.5 V (min breakdown), limiting transients to ≤26 V at 50 A (8/20 µs). Its low 360 pF capacitance ensures minimal distortion on high-frequency signal paths up to ~1 GHz.
The device uses silicon avalanche technology with a PN junction optimized for fast response (<1 ns) to ESD events and robust power handling (1300 W peak pulse). Thermal resistance is 500 °C/W (junction-to-ambient) on standard FR-4 layout, requiring derating above +25°C per Figure 1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Working Voltage | 14 V - Maximum continuous DC voltage applied without conduction; sets upper limit for protected line operating voltage. |
| Breakdown Voltage (VBR) | 14.5 V (min) - Voltage at which device enters avalanche conduction; defines ESD trigger threshold. |
| Clamping Voltage (VCL) | 26 V @ 50 A - Maximum voltage seen by protected circuit during worst-case 8/20 µs surge; determines system-level overvoltage margin. |
| Junction Capacitance (CT) | 360 pF @ 0 V, 1 MHz - Signal path loading effect; enables use on USB 2.0 (480 Mbps) and audio lines without attenuation. |
| ESD Rating | ±30 kV (contact/air) per IEC 61000-4-2 - Validates immunity to human-body ESD events in handheld product handling and operation. |
| Peak Pulse Power | 1300 W @ 8/20 µs - Surge energy handling capacity; supports multiple ESD strikes without degradation under defined test conditions. |
Pinout & Package
Package: SOD323 - surface-mount plastic case (1.30 × 1.70 × 0.90 mm), matte tin-plated alloy 42 leadframe, RoHS-compliant, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (Anode) | Input/Line side | Connected to signal line being protected; conducts to ground during overvoltage event. |
| Pin 2 (Cathode) | Ground reference | Connected to system ground plane; establishes reference for clamping action and provides return path for surge current. |
Key Features
| Feature | Design Value |
|---|---|
| IEC 61000-4-2 ESD protection | ±30 kV contact/air - meets highest industrial ESD immunity requirement for end-user accessible ports. |
| Low clamping voltage at high current | 26 V @ 50 A - limits stress on downstream ICs (e.g., USB PHY, codec) during worst-case surge. |
| Ultra-low leakage current | 10 nA typical @ 14 V - avoids signal offset or battery drain in always-on portable circuits. |
| Halogen- and antimony-free "Green" construction | <900 ppm Br/Cl, <1000 ppm Sb - satisfies strict environmental compliance for global consumer electronics markets. |
Applications
| Smartphone Front-Facing Camera Interface | USB 2.0 Data Line Protection |
|---|---|
Use Scenario: Protecting MIPI CSI-2 differential pairs from ESD during SIM card tray insertion or screen flexing. IC Role / Device Role: Unidirectional TVS clamp placed inline between image sensor and baseband processor. Use Value: 360 pF capacitance preserves signal integrity at 1 GHz bandwidth; ±30 kV rating prevents latch-up in 28 nm image signal processors. | Use Scenario: Safeguarding D+ and D− lines against user-handling ESD in portable storage devices. IC Role / Device Role: Per-line TVS on each USB data line, grounded to chassis via low-inductance path. Use Value: 26 V clamping at 50 A ensures USB transceiver I/O remains within absolute maximum ratings during plug/unplug events. |
| Portable Audio DAC Output | Laptop HDMI Hot-Plug Detection Line |
Use Scenario: Shielding stereo analog output from headphone jack insertion sparks. IC Role / Device Role: Single-channel TVS on each audio channel (L/R), referenced to analog ground. Use Value: 14 V VRWM matches typical DAC output swing; 10 nA leakage avoids DC bias shift in Class AB amplifier stages. | Use Scenario: Preventing false hot-plug detection caused by ESD on HDMI HPD line. IC Role / Device Role: Unidirectional TVS between HPD pin and 5 V pull-up, with cathode tied to 5 V rail. Use Value: 14 V VRWM allows full 5 V logic margin; 26 V clamping prevents damage to HDMI controller GPIO pins rated to 6 V. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ14A | DO-214AC package (4.5 × 2.7 mm); higher 3.5 pF capacitance; 15.6 V VBR min | Used in board-level power rail protection, not high-speed data lines | Select only if PCB space permits larger footprint and signal bandwidth <100 MHz |
| TPD4E004DRYR | Quad-channel array in UQFN-10; 0.6 pF per channel; 12 V VRWM | Optimized for multi-line interfaces (e.g., DisplayPort, PCIe) | Choose for compact multi-line protection where individual channel isolation is required |
Compared with SMAJ14A and TPD4E004DRYR, D14V0S1U2WS uniquely balances ultra-small SOD323 size, 360 pF capacitance suitable for 480 Mbps USB, and ±30 kV ESD rating - making it optimal for single-line, space-constrained, high-speed portable interfaces.
Availability
D14V0S1U2WS is available at Aetrix Electronics and suitable for smartphone camera modules, USB peripheral designs, and portable audio systems requiring stable component supply across high-volume production cycles.
Supply support for D14V0S1U2WS 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design and manufacturing operations across Asia and the Americas.
The D14V0S1U2WS belongs to Diodes' advanced TVS portfolio targeting portable electronics, engineered specifically for low-capacitance, high-ESD-survivability protection of high-speed signal lines in space-constrained environments.
FAQ
What is the maximum operating temperature for D14V0S1U2WS?
The D14V0S1U2WS has an operating junction temperature range of –55°C to +125°C. Its power dissipation must be derated linearly above +25°C ambient, reaching 0% at +125°C per the curve in Figure 1 of DS37260. At +85°C ambient, usable power drops to ~175 mW.
Can D14V0S1U2WS protect bidirectional signal lines like I²C?
No - D14V0S1U2WS is unidirectional and only clamps reverse-voltage transients (anode-to-cathode). For bidirectional lines such as I²C, a bidirectional TVS like D12V0S1U2WS or dual-diode array is required to suppress surges in both directions relative to ground.
How does the 360 pF capacitance affect USB 2.0 signal integrity?
At 480 Mbps, USB 2.0's fundamental frequency is ~240 MHz. With 360 pF in parallel to the 90 Ω differential pair, insertion loss remains <0.5 dB up to 500 MHz per Diodes' application modeling - well within USB 2.0 eye diagram mask requirements and compatible with standard FR-4 PCB traces.
Is D14V0S1U2WS suitable for automotive infotainment interfaces?
While qualified for industrial temperature range (–55°C to +125°C), D14V0S1U2WS is not AEC-Q200 qualified. For automotive applications, Diodes offers the AEC-Q200-qualified D14V0S1U2WSQ-7 variant with identical electrical specs and enhanced reliability testing for dashboard USB/HDMI ports.
D14V0S1U2WS-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- SC-76, SOD-323
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 14V (Max)
- Voltage - Breakdown (Min):
- 14.5V
- Voltage - Clamping (Max) @ Ipp:
- 26V
- Current - Peak Pulse (10/1000µs):
- 50A (8/20µs)
- Power - Peak Pulse:
- 1300W (1.3kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 360pF @ 1MHz
- Operating Temperature:
- -55°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-323
D14V0S1U2WS-7 FAQ
1.How can I place an order for D14V0S1U2WS-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for D14V0S1U2WS-7 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 D14V0S1U2WS-7 reliable?
The price and inventory of D14V0S1U2WS-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for D14V0S1U2WS-7 is usually 5 days.
3.What payment methods are accepted for D14V0S1U2WS-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D14V0S1U2WS-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D14V0S1U2WS-7?
D14V0S1U2WS-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D14V0S1U2WS-7 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 D14V0S1U2WS-7?
For technical support, including D14V0S1U2WS-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D14V0S1U2WS-7 requirements.
6.How does Aetrix verify that D14V0S1U2WS-7 is sourced from the original manufacturer or authorized distributors?
All D14V0S1U2WS-7 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 D14V0S1U2WS-7 meets industry standards.
7.What is the process for return or replacement of D14V0S1U2WS-7?
All D14V0S1U2WS-7 units undergo pre-shipment inspection (PSI). If there is an issue with D14V0S1U2WS-7, 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 D14V0S1U2WS-7 part is unused and in its original packaging.
Return procedure for D14V0S1U2WS-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D14V0S1U2WS-7 Tags
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