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Diodes Incorporated D14V0H1U2WS-7
- Part No.:
- D14V0H1U2WS-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
D14V0H1U2WS-7.pdf
- Description:
- TVS DIODE 14VWM 25VC SOD323
- Quantity:
- Payment:
- Shipping:
Inventory:2,310
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Product details
Overview
D14V0H1U2WS-7 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, 14.5 V minimum breakdown voltage, 25 A peak pulse current (8/20 µs), 20 V clamping voltage at 5 A, and 160 pF typical input capacitance - enabling robust ±30 kV IEC 61000-4-2 air/contact ESD protection in space-constrained interfaces like USB 2.0 or audio jacks.
For engineers reviewing the D14V0H1U2WS-7 datasheet, D14V0H1U2WS-7 pinout, D14V0H1U2WS-7 application, or D14V0H1U2WS-7 equivalent, key selection criteria include clamping performance under 25 A surge, low 160 pF capacitance for signal integrity, SOD323 footprint compatibility, and compliance with IEC 61000-4-2 Level 4 ESD requirements in handheld consumer devices.
Technical Context
This unidirectional TVS operates as a single-channel, cathode-anode configured clamp that activates above 14.5 V to divert ESD transients away from protected ICs. Its 160 pF capacitance is optimized for <100 MHz signal paths, and its 20 V clamping voltage at 5 A ensures downstream logic-level interfaces remain within safe operating limits during surge events.
The device uses a planar silicon junction structure in a molded SOD323 package with matte tin–plated Alloy 42 leads. Thermal resistance is 625 °C/W (junction-to-ambient on FR-4), supporting operation from –55 °C to +125 °C, and it delivers 600 W peak pulse power per 8/20 µs waveform per IEC 61000-4-5.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 14 V - Maximum continuous reverse voltage before leakage exceeds 100 nA; sets upper limit for protected line DC bias. |
| VBR (min) | 14.5 V - Breakdown initiates at ≥14.5 V (1 mA test), ensuring reliable turn-on before damage to 3.3 V or 5 V interface ICs. |
| VCL @ 5 A | 20 V - Clamps transient to ≤20 V during 5 A 8/20 µs surge, preserving logic thresholds of downstream receivers. |
| IPP (max) | 25 A - Withstands 25 A peak pulse per IEC 61000-4-5, covering worst-case system-level surge events. |
| CT (typ) | 160 pF - Low capacitance minimizes signal distortion on USB 2.0, HDMI, or audio lines up to ~100 MHz. |
| ESD Rating | ±30 kV contact/air - Meets IEC 61000-4-2 Level 4, eliminating need for secondary board-level ESD components. |
Pinout & Package
Package: SOD323 - surface-mount plastic case, 2.3–2.7 mm length × 1.2–1.4 mm width × 0.25–0.35 mm height, moisture sensitivity level 1, RoHS-compliant green molding compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (Anode) | Input terminal for protected signal line | Connected to I/O trace; conducts surge current toward ground when VAK > VBR. |
| Pin 2 (Cathode) | Ground reference / return path | Connected to system ground plane; completes clamping path during ESD event. |
Key Features
| Feature | Design Value |
|---|---|
| IEC 61000-4-2 ESD protection | ±30 kV air/±30 kV contact - eliminates external ESD suppressors in handheld product designs. |
| Low input capacitance | 160 pF at 0 V, 1 MHz - preserves signal rise time and eye diagram integrity on high-speed interfaces. |
| Unidirectional clamping | Single anode-cathode polarity - protects DC-biased lines (e.g., USB D+, D−) without forward conduction risk. |
| Lead-free & green construction | Halogen- and antimony-free, <900 ppm Br/Cl, <1000 ppm Sb - meets global environmental compliance mandates. |
Applications
| USB 2.0 Interface Protection | Smartphone Audio Jack ESD Guard |
|---|---|
Use Scenario: Protecting D+ and D− differential pairs in smartphone USB ports against repeated plug/unplug ESD events. IC Role / Device Role: Unidirectional TVS clamp placed inline between connector and USB transceiver IC. Use Value: 160 pF capacitance avoids signal degradation at 480 Mbps; ±30 kV rating prevents latch-up or gate oxide failure in PHY ICs. |
Use Scenario: Shielding 3.5 mm TRRS audio jack pins from user-hand ESD during headset insertion/removal. IC Role / Device Role: Single-channel TVS per audio channel (left/right/mic/ground) on main PCB near jack footprint. Use Value: 20 V clamping at 5 A keeps audio codec inputs below absolute maximum ratings; SOD323 fits tight board real estate. |
| Portable Digital Camera Data Lines | MP3 Player SD Card Interface |
Use Scenario: Safeguarding CMOS image sensor parallel data bus (e.g., D0–D7, HSYNC, VSYNC) from handling ESD. IC Role / Device Role: One D14V0H1U2WS-7 per signal line, mounted adjacent to sensor connector. Use Value: 14.5 V VBR allows safe operation with 12 V or 15 V sensor supply rails; low leakage (<100 nA) avoids DC loading. |
Use Scenario: Protecting SDIO command, clock, and data lines in flash-based MP3 players against card-insertion ESD. IC Role / Device Role: TVS placed on each SD card interface trace between slot and host controller. Use Value: 25 A IPP handles multi-kV system-level surges; 14 V VRWM matches standard SD card signaling voltage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ14A | DO-214AC package (larger), 14 V VRWM, 27.2 V VCL @ 12.3 A, 350 pF CT | Higher clamping voltage and capacitance; suited for lower-speed, higher-power industrial lines | Select when board space permits larger package and higher surge energy (400 W) is required over speed. |
| TPD1E05U06DPYR | 0402 DFN package, 5.5 V VRWM, 12 V VCL @ 1 A, 0.6 pF CT | Lower voltage rating and ultra-low capacitance; targets high-speed digital (USB 3.0, HDMI) | Select only for sub-6 V bias rails and bandwidths >1 GHz; not suitable for 14 V signal lines. |
Compared with SMAJ14A and TPD1E05U06DPYR, D14V0H1U2WS-7 uniquely balances 14 V operating margin, 160 pF signal loading, and ±30 kV ESD immunity in the compact SOD323 footprint - making it optimal for mid-speed portable interfaces where size, clamping, and capacitance must co-optimize.
Availability
D14V0H1U2WS-7 is available at Aetrix Electronics and suitable for cellular handsets, portable digital cameras, and MP3 players requiring stable component supply with guaranteed ESD resilience and consistent SOD323 packaging.
Supply support for D14V0H1U2WS-7 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, manufacturing, and sales operations across Asia, Europe, and North America.
This device belongs to Diodes' TVS Diode portfolio targeting portable consumer electronics, emphasizing low capacitance, high ESD immunity, and ultra-small packages for next-generation handheld devices.
FAQ
What is the maximum clamping voltage of D14V0H1U2WS-7 under full-rated surge current?
The device clamps to 25 V at 25 A peak pulse current (8/20 µs waveform), as specified in the Electrical Characteristics table. This value ensures protected circuitry remains within safe voltage margins during worst-case IEC 61000-4-5 surge events, and is measured with standardized test conditions per JEDEC standards.
Can D14V0H1U2WS-7 be used on bidirectional signal lines like USB D+/D−?
Yes - although unidirectional, it is commonly deployed on each line of differential pairs like USB 2.0 by connecting anode to signal and cathode to ground. Its 14 V VRWM aligns with USB's 3.3 V nominal signaling, and its low 160 pF capacitance prevents skew or attenuation at 480 Mbps data rates.
Is the SOD323 package compatible with standard reflow profiles for lead-free assembly?
Yes - the device uses matte tin–plated Alloy 42 leads and is rated for soldering per MIL-STD-202, Method 208. Its moisture sensitivity level is 1, allowing unlimited floor life and compatibility with standard Pb-free reflow profiles (peak 260 °C, 10 s max), per J-STD-020.
Does D14V0H1U2WS-7 meet automotive AEC-Q200 requirements?
No - this part is not qualified to AEC-Q200. It is specified for commercial/industrial temperature range (–55 °C to +125 °C) and intended for portable consumer applications. For automotive use, Diodes offers AEC-Q200–qualified alternatives such as the D12V0L4UP-7 series with extended qualification testing.
D14V0H1U2WS-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:
- 25V
- Current - Peak Pulse (10/1000µs):
- 25A (8/20µs)
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 160pF @ 1MHz
- Operating Temperature:
- -55°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-323
D14V0H1U2WS-7 FAQ
1.How can I place an order for D14V0H1U2WS-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for D14V0H1U2WS-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 D14V0H1U2WS-7 reliable?
The price and inventory of D14V0H1U2WS-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for D14V0H1U2WS-7 is usually 5 days.
3.What payment methods are accepted for D14V0H1U2WS-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D14V0H1U2WS-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D14V0H1U2WS-7?
D14V0H1U2WS-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D14V0H1U2WS-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 D14V0H1U2WS-7?
For technical support, including D14V0H1U2WS-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D14V0H1U2WS-7 requirements.
6.How does Aetrix verify that D14V0H1U2WS-7 is sourced from the original manufacturer or authorized distributors?
All D14V0H1U2WS-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 D14V0H1U2WS-7 meets industry standards.
7.What is the process for return or replacement of D14V0H1U2WS-7?
All D14V0H1U2WS-7 units undergo pre-shipment inspection (PSI). If there is an issue with D14V0H1U2WS-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 D14V0H1U2WS-7 part is unused and in its original packaging.
Return procedure for D14V0H1U2WS-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D14V0H1U2WS-7 Tags
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