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Diodes Incorporated D20V0H1U2LP-7B
- Part No.:
- D20V0H1U2LP-7B
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 0402 (1006 Metric)
- Datasheet:
-
D20V0H1U2LP-7B.pdf
- Description:
- GENERAL PROTECTION PP X1-DFN1006
- Quantity:
- Payment:
- Shipping:
Inventory:5,982
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Product details
Overview
D20V0H1U2LP-7B from Diodes Incorporated is a unidirectional TVS diode designed for ESD protection of high-speed data lines in portable electronics. It features a 20 V reverse working voltage, 22 V minimum breakdown voltage, 10 A peak pulse current (8/20 µs), 55 pF typical junction capacitance, and ±30 kV IEC 61000-4-2 contact/air discharge rating - deployed in USB, HDMI, and audio interfaces of smartphones and digital cameras.
For engineers reviewing the D20V0H1U2LP-7B datasheet, D20V0H1U2LP-7B pinout, D20V0H1U2LP-7B application, or D20V0H1U2LP-7B equivalent, key selection criteria include clamping voltage at 1A/10A, low-capacitance signal integrity preservation, DFN1006-2 footprint compatibility, and RoHS-compliant lead-free termination for high-density PCB layouts.
Technical Context
This unidirectional TVS operates as a cathode-to-anode surge clamp, triggered above 22 V to shunt transient energy away from protected ICs. Its low 55 pF capacitance ensures minimal signal distortion on 100+ Mbps interfaces, while the 26 V clamping voltage at 1 A and 34 V at 10 A defines its overvoltage suppression envelope under real-world surge conditions.
The device uses a silicon avalanche structure optimized for fast response (<1 ns) to ESD events and thermal robustness up to +150 °C junction temperature. Its X1-DFN1006-2 package integrates NiPdAu-plated terminals for reliable solderability and meets J-STD-020 Level 1 moisture sensitivity without bake requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 20.0 V - Maximum continuous reverse operating voltage before conduction begins |
| VBR (min) | 22 V - Minimum voltage at which avalanche breakdown initiates (IR = 1 mA) |
| VCL @ 1A | 26 V - Clamped voltage during 1 A 8/20 µs surge, limiting stress on downstream ICs |
| VCL @ 10A | 34 V - Clamped voltage during full-rated 10 A surge, defining worst-case protection margin |
| CT | 55 pF - Junction capacitance at 0 V, critical for preserving signal integrity on high-speed lines |
| PPP | 340 W - Peak pulse power handling capability under standard 8/20 µs waveform |
| ESD Rating | ±30 kV - Complies with IEC 61000-4-2 Contact and Air discharge test levels |
Pinout & Package
Package: X1-DFN1006-2 - ultra-compact 1.08 mm × 0.68 mm surface-mount outline with 0.53 mm max height, optimized for space-constrained portable PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Cathode | Connected to protected signal line; conducts surge current toward ground when clamped |
| Pin 2 | Anode | Connected to system ground; completes current path during ESD event |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low profile | 0.53 mm max height enables stacking under thin bezels and tight mechanical envelopes |
| IEC 61000-4-2 certified ESD protection | ±30 kV contact/air rating verified per standard test methodology, not extrapolated |
| Low channel input capacitance | 55 pF preserves rise time and eye diagram integrity on USB 2.0 and audio differential pairs |
| Lead-free & halogen-free construction | Meets RoHS 3 (2015/863/EU) and "Green" definition: Br/Cl <900 ppm each, Sb <1000 ppm |
Applications
| USB 2.0 Data Lines | HDMI Interface Protection |
|---|---|
Use Scenario: ESD protection for D+ and D− pins in smartphone USB ports exposed to frequent plug/unplug cycles. IC Role / Device Role: Unidirectional TVS placed between data line and ground to clamp transients without affecting DC bias. Use Value: 55 pF capacitance avoids signal degradation at 480 Mbps, while 34 V clamping at 10 A prevents PHY damage during ±30 kV contact discharge. | Use Scenario: Surge suppression on TMDS clock and data channels in portable media players with HDMI output. IC Role / Device Role: Single-channel TVS per differential pair, leveraging low capacitance to maintain 165 MHz pixel clock fidelity. Use Value: 22–26 V breakdown range aligns with HDMI common-mode voltage, ensuring no false triggering during normal operation. |
| Smartphone Audio Jacks | Digital Camera SD Card Interfaces |
Use Scenario: Protecting microphone and headset detection lines in 3.5 mm TRRS connectors from user-hand ESD. IC Role / Device Role: Cathode tied to signal, anode to ground - provides asymmetric clamping for biased analog paths. Use Value: 20 V VRWM allows safe operation across typical audio bias voltages (1.8–3.3 V), with 26 V clamping preventing ADC saturation. | Use Scenario: Guarding SDIO command/data lines against ESD during hot-insertion of memory cards in compact cameras. IC Role / Device Role: One TVS per signal line (CMD, CLK, DAT0–DAT3), mounted adjacent to card slot connector. Use Value: DFN1006-2 footprint fits within 1.2 mm board edge clearance, and 10 A IPP withstands repeated insertion surges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ20A-Q | DO-214AC package (4.5 × 2.7 mm), 3.3× larger footprint, 100 pF CT | Used in industrial control boards where space is not constrained and higher capacitance is acceptable | Select when board area permits larger package and higher clamping voltage (32.4 V @ 10 A) is tolerable |
| SP1003-020 | SOD-323 package (1.7 × 1.25 mm), 2.5× larger footprint, 110 pF CT, 15 A IPP | Deployed in automotive infotainment USB hubs requiring AEC-Q200 qualification | Choose only if AEC-Q200 compliance and higher surge rating are mandatory; not drop-in due to size/capacitance |
Compared with SMAJ20A-Q and SP1003-020, D20V0H1U2LP-7B uniquely balances sub-1 mm² area, 55 pF capacitance, and ±30 kV ESD rating - making it optimal for consumer portable designs where signal integrity and miniaturization are co-prioritized.
Availability
D20V0H1U2LP-7B is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI signal line safeguarding, and smartphone audio jack ESD hardening requiring stable component supply across high-volume consumer electronics production.
Supply support for D20V0H1U2LP-7B 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.
This device belongs to Diodes' X1-series ultra-compact TVS portfolio, engineered specifically for ESD protection in space-limited portable electronics without compromising high-speed signal fidelity.
FAQ
What is the polarity configuration of D20V0H1U2LP-7B?
D20V0H1U2LP-7B is a unidirectional TVS diode with cathode (Pin 1) connected to the protected signal line and anode (Pin 2) tied to ground. It conducts only when the cathode voltage exceeds the anode by ≥22 V, making it suitable for DC-biased data lines like USB D+ and D−.
Does this TVS require external biasing or control circuitry?
No. D20V0H1U2LP-7B operates passively and requires no external bias, power, or control signals. It remains non-conductive below 22 V and automatically clamps transients above that threshold, functioning solely as a voltage-triggered shunt device.
Can D20V0H1U2LP-7B be used on bidirectional signal lines such as I²C?
No - its unidirectional architecture makes it unsuitable for true bidirectional buses like I²C, where voltage swings occur both above and below ground. For such applications, a bidirectional TVS (e.g., D24V0H1U2LP-7B) with symmetrical clamping is required.
What is the maximum recommended PCB trace length between D20V0H1U2LP-7B and the protected IC?
To maintain effective ESD protection, the trace from the TVS cathode to the protected IC pin should be ≤3 mm, and the ground path from TVS anode to low-inductance ground plane must be direct and short - ideally using multiple vias within 1 mm of the anode pad to minimize inductance-induced voltage overshoot.
D20V0H1U2LP-7B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- 0402 (1006 Metric)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 20V (Max)
- Voltage - Breakdown (Min):
- 22V
- Voltage - Clamping (Max) @ Ipp:
- 34V
- Current - Peak Pulse (10/1000µs):
- 10A (8/20µs)
- Power - Peak Pulse:
- 340W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 55pF @ 1MHz
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- X1-DFN1006-2
D20V0H1U2LP-7B FAQ
1.How can I place an order for D20V0H1U2LP-7B through Aetrix?
Please submit a Request for Quotation (RFQ) for D20V0H1U2LP-7B 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 D20V0H1U2LP-7B reliable?
The price and inventory of D20V0H1U2LP-7B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for D20V0H1U2LP-7B is usually 5 days.
3.What payment methods are accepted for D20V0H1U2LP-7B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D20V0H1U2LP-7B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D20V0H1U2LP-7B?
D20V0H1U2LP-7B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D20V0H1U2LP-7B 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 D20V0H1U2LP-7B?
For technical support, including D20V0H1U2LP-7B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D20V0H1U2LP-7B requirements.
6.How does Aetrix verify that D20V0H1U2LP-7B is sourced from the original manufacturer or authorized distributors?
All D20V0H1U2LP-7B 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 D20V0H1U2LP-7B meets industry standards.
7.What is the process for return or replacement of D20V0H1U2LP-7B?
All D20V0H1U2LP-7B units undergo pre-shipment inspection (PSI). If there is an issue with D20V0H1U2LP-7B, 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 D20V0H1U2LP-7B part is unused and in its original packaging.
Return procedure for D20V0H1U2LP-7B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D20V0H1U2LP-7B 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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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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