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Diodes Incorporated D12V0H1U2WS-7
- Part No.:
- D12V0H1U2WS-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
D12V0H1U2WS-7.pdf
- Description:
- TVS DIODE 12VWM 24VC SOD323
- Quantity:
- Payment:
- Shipping:
Inventory:8,634
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Product details
Overview
D12V0H1U2WS-7 from Diodes Incorporated is a unidirectional transient voltage suppression (TVS) diode designed for low-capacitance ESD and surge protection on 12 V data/power lines. It delivers 600 W peak pulse power (8/20 µs), clamps at 19 V @ 5 A, exhibits 180 pF capacitance at 0 V, and meets IEC 61000-4-2 ±30 kV air/contact ESD immunity. It is commonly deployed in USB 2.0, HDMI, and industrial sensor interface protection.
For engineers reviewing the D12V0H1U2WS-7 datasheet, D12V0H1U2WS-7 pinout, D12V0H1U2WS-7 application, or D12V0H1U2WS-7 equivalent, key selection criteria include clamping voltage at rated current, junction-to-ambient thermal resistance (625 °C/W), reverse working voltage (12.0 V), leakage current (<100 nA @ 12 V), and SOD323 package compatibility with high-density PCB layouts.
Technical Context
This TVS diode operates as a unidirectional shunt clamp, triggered when reverse voltage exceeds its 13.3–15.75 V breakdown range. Its 180 pF capacitance enables use on high-speed signal lines up to ~100 Mbps without significant signal integrity degradation.
Thermal design relies on FR-4 PCB mounting per AP02001 layout, supporting 200 mW steady-state dissipation and derating to zero at +125 °C ambient. The device sustains ±30 kV contact/air ESD pulses and handles 25 A peak pulse current under 8/20 µs waveform conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Working Voltage | 12.0 V - Maximum continuous DC voltage applied without triggering conduction |
| Breakdown Voltage | 13.3–15.75 V @ 1 mA - Confirmed turn-on threshold for transient clamping |
| Clamping Voltage | 19 V @ 5 A - Maximum voltage seen by protected circuit during 5 A surge |
| Peak Pulse Power | 600 W (8/20 µs) - Surge energy handling capacity per IEC 61000-4-5 |
| Capacitance | 180 pF @ 0 V, 1 MHz - Low enough for USB 2.0 (480 Mbps) and RS-485 interfaces |
| ESD Rating | ±30 kV air/contact (IEC 61000-4-2) - Full immunity to common human-body and system-level ESD events |
| Thermal Resistance | 625 °C/W - Junction-to-ambient value on standard FR-4 pad layout (AP02001) |
Pinout & Package
Package: SOD323 - Surface-mount plastic case, 0.004 g weight, UL 94V-0 flammability rating, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (Anode) | Input/Line side | Connected to protected signal or power line; conducts during positive transients relative to cathode |
| Pin 2 (Cathode) | Ground reference | Connected to system ground or low-impedance return path; defines unidirectional clamping polarity |
Key Features
| Feature | Design Value |
|---|---|
| Low clamping voltage | 19 V @ 5 A ensures downstream ICs (e.g., USB PHYs rated to 20 V abs max) remain within safe operating limits |
| Ultra-low leakage | <100 nA @ 12 V minimizes standby power loss in battery-powered sensor nodes |
| High ESD robustness | ±30 kV contact/air rating eliminates need for secondary ESD protection in consumer port designs |
| Green packaging | Halogen- and antimony-free compound (<900 ppm Br/Cl, <1000 ppm Sb) meets automotive and industrial environmental mandates |
| SOD323 footprint | Compatible with automated placement and reflow processes; supports 0.65 mm pitch PCB routing |
Applications
| USB 2.0 Interface Protection | HDMI Data Line Protection |
|---|---|
Use Scenario: Protecting D+ and D− lines of embedded host controllers against ESD and cable-induced surges. IC Role / Device Role / Timing Role: Unidirectional shunt TVS placed between signal line and ground, activated only during overvoltage events. Use Value: 180 pF capacitance avoids signal rise-time degradation; 19 V clamping prevents damage to 3.3 V PHY transceivers. | Use Scenario: Safeguarding TMDS clock and data pairs in industrial display modules exposed to field wiring noise. IC Role / Device Role / Timing Role: Bidirectional-capable unidirectional TVS (anode grounded) used per differential pair leg. Use Value: 600 W surge rating withstands inductive kickback from hot-plug events; SOD323 fits tight HDMI connector spacing. |
| Industrial Sensor Signal Lines | 12 V Power Rail Protection |
Use Scenario: Shielding analog output (4–20 mA) or digital I²C lines in factory-floor temperature/pressure sensors. IC Role / Device Role / Timing Role: Low-leakage TVS connected across signal and ground to suppress EFT bursts without loading precision circuits. Use Value: <100 nA leakage preserves microamp-level sensor accuracy; -55 °C to +125 °C rating matches extended industrial temp range. | Use Scenario: Clamping voltage spikes on 12 V supply inputs of motor drivers and PLC I/O modules. IC Role / Device Role / Timing Role: Primary surge suppressor placed at board edge before LDO or DC-DC converter input. Use Value: 25 A peak pulse current handles ISO 7637-2 Pulse 1/2a transients; 12.0 V VRWM aligns with nominal rail voltage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ12A | Higher clamping voltage (20.9 V @ 5 A); SMA package (larger footprint, higher inductance) | Less suitable for high-speed data lines due to 250 pF capacitance and slower response | Select when cost priority outweighs board space and signal integrity requirements |
| TPD2E001DRSR | Lower capacitance (12 pF), dual-channel, but lower power rating (200 W peak) | Better for USB 2.0 or MIPI, but insufficient for 12 V power-line surge events | Choose for multi-line protection where capacitance is critical and surge energy is low |
Compared with SMAJ12A and TPD2E001DRSR, D12V0H1U2WS-7 uniquely balances 180 pF capacitance, 19 V clamping, and 600 W surge capability in the compact SOD323 package-making it optimal for space-constrained 12 V interface protection where both speed and robustness matter.
Availability
D12V0H1U2WS-7 is available at Aetrix Electronics and suitable for USB 2.0 interface protection, industrial sensor signal conditioning, and 12 V power rail surge suppression requiring stable component supply and long-term lifecycle support.
Supply support for D12V0H1U2WS-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, specializing in high-reliability protection, power management, and signal integrity solutions.
D12V0H1U2WS-7 belongs to Diodes' TVS Diode portfolio, engineered specifically for high-speed, low-capacitance ESD and surge protection in consumer, industrial, and automotive electronics interfaces.
FAQ
What is the maximum clamping voltage of D12V0H1U2WS-7 at 25 A?
The maximum clamping voltage is 24 V under an 8/20 µs 25 A peak pulse, as specified in the Electrical Characteristics table. This value ensures protected circuits remain below absolute maximum ratings during worst-case surge events, including those defined in IEC 61000-4-5 Level 4.
Can D12V0H1U2WS-7 be used for bidirectional protection?
No-it is a unidirectional TVS diode intended for DC-biased lines like 12 V power rails or single-ended signals referenced to ground. For true bidirectional protection (e.g., AC-coupled data lines), a symmetric dual-diode configuration or dedicated bidirectional TVS such as D12V0H1B2WS-7 is required.
Is D12V0H1U2WS-7 compliant with AEC-Q101?
Yes-the "-7" suffix denotes AEC-Q101 qualification, confirmed in the Ordering Information section. It has passed stress tests including HTOL, TC, and ESD per AEC-Q101 Rev D, making it suitable for automotive infotainment and body electronics applications.
What is the recommended PCB pad layout for thermal performance?
Use Diodes' AP02001 suggested pad layout: 0.65 mm × 1.35 mm copper pads with 0.25 mm solder mask opening, connected via thermal vias to inner ground planes. This layout achieves the rated 625 °C/W RθJA and supports full 200 mW steady-state dissipation at +25 °C ambient.
D12V0H1U2WS-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):
- 12V (Max)
- Voltage - Breakdown (Min):
- 13.3V
- Voltage - Clamping (Max) @ Ipp:
- 24V
- Current - Peak Pulse (10/1000µs):
- 25A (8/20µs)
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- 180pF @ 1MHz
- Operating Temperature:
- -55°C ~ 125°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-323
D12V0H1U2WS-7 FAQ
1.How can I place an order for D12V0H1U2WS-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for D12V0H1U2WS-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 D12V0H1U2WS-7 reliable?
The price and inventory of D12V0H1U2WS-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for D12V0H1U2WS-7 is usually 5 days.
3.What payment methods are accepted for D12V0H1U2WS-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D12V0H1U2WS-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D12V0H1U2WS-7?
D12V0H1U2WS-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D12V0H1U2WS-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 D12V0H1U2WS-7?
For technical support, including D12V0H1U2WS-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D12V0H1U2WS-7 requirements.
6.How does Aetrix verify that D12V0H1U2WS-7 is sourced from the original manufacturer or authorized distributors?
All D12V0H1U2WS-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 D12V0H1U2WS-7 meets industry standards.
7.What is the process for return or replacement of D12V0H1U2WS-7?
All D12V0H1U2WS-7 units undergo pre-shipment inspection (PSI). If there is an issue with D12V0H1U2WS-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 D12V0H1U2WS-7 part is unused and in its original packaging.
Return procedure for D12V0H1U2WS-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D12V0H1U2WS-7 Tags
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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