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Diodes Incorporated D20V0L1B2LP-7B
- Part No.:
- D20V0L1B2LP-7B
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 0402 (1006 Metric)
- Datasheet:
-
D20V0L1B2LP-7B.pdf
- Description:
- TVS DIODE 20VWM 34VC DFN1006-2
- Quantity:
- Payment:
- Shipping:
Inventory:267,852
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Product details
Overview
D20V0L1B2LP-7B from Diodes Incorporated is a bidirectional transient voltage suppression (TVS) diode designed for ESD protection of high-speed data lines in portable electronics. It features a 20V reverse standoff voltage, ±15kV contact/±20kV air ESD immunity per IEC 61000-4-2, 7pF typical channel capacitance, and a compact X1-DFN1006-2 package (1.08 × 0.68 mm). It is deployed on USB, audio, and display interfaces in smartphones and digital cameras.
For engineers reviewing the D20V0L1B2LP-7B datasheet, D20V0L1B2LP-7B pinout, D20V0L1B2LP-7B application, or D20V0L1B2LP-7B equivalent, key selection criteria include clamping voltage at 2A (≤34V), low leakage (<100nA at 20V), thermal resistance (500°C/W), and AEC-Q101 qualification for automotive-adjacent portable systems.
Technical Context
This TVS diode operates as a bidirectional shunt clamp between two signal lines (Pin 1 ↔ Pin 2), activating above 21V breakdown to divert ESD transients while maintaining minimal loading on high-frequency paths. Its 7pF capacitance and 2.2Ω dynamic resistance ensure signal integrity up to ~100MHz in USB 2.0 and MIPI D-PHY interfaces.
The device uses silicon avalanche junction technology with NiPdAu-plated copper leadframe terminals and is qualified to AEC-Q101 for temperature cycling, HAST, and mechanical shock - enabling use in automotive infotainment front-end ports and industrial handhelds exposed to harsh ESD environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage | 20 V - Maximum continuous working voltage before clamping begins; sets operating margin for 18–19V supply rails. |
| Breakdown Voltage | 21 V min - Confirmed avalanche onset at 1mA; ensures reliable triggering before system-level damage thresholds. |
| Clamping Voltage @ 2A | 30–34 V - Peak voltage seen by protected IC during 8/20µs surge; limits stress on downstream PHY transceivers. |
| Channel Capacitance | 7.0 pF typ - Low enough to avoid signal rise-time degradation in 480 Mbps USB 2.0 channels. |
| ESD Rating | ±15 kV contact / ±20 kV air - Meets IEC 61000-4-2 Level 4; qualifies for drop-tested consumer handhelds. |
| Thermal Resistance | 500 °C/W - Derived from FR-4 PCB layout; informs derating above 25°C ambient in sealed enclosures. |
| Leakage Current | 100 nA max @ 20V - Ensures negligible DC loading on battery-powered sensor or audio bias networks. |
Pinout & Package
Package: X1-DFN1006-2 - ultra-thin (0.53 mm max height), 2-terminal, bottom-side wettable flank package with NiPdAu terminations. Solderable per MIL-STD-202, Method 208; moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode/Cathode (bidirectional) | Shared terminal for symmetrical ESD current path; no polarity marking required in layout. |
| Pin 2 | Anode/Cathode (bidirectional) | Paired terminal forming single-channel differential clamp; connects across signal pair (e.g., USB D+/D−). |
Key Features
| Feature | Design Value |
|---|---|
| IEC 61000-4-2 Compliance | ±15kV contact / ±20kV air - Validated ESD robustness eliminates need for external test fixtures during system qualification. |
| Low Input Capacitance | 7.0 pF typ - Preserves signal edge rate in 480 Mbps USB 2.0 and 1 Gbps MIPI D-PHY without equalization. |
| AEC-Q101 Qualification | Qualified for temperature cycling, HAST, and mechanical shock - supports deployment in automotive infotainment USB ports. |
| Green Construction | Halogen- and antimony-free, RoHS 3 compliant - meets EU SCIP and WEEE reporting requirements for global OEM BOMs. |
| Ultra-Small Footprint | 1.08 × 0.68 mm - Enables placement directly at connector entry points without routing detours on dense mobile PCBs. |
Applications
| USB 2.0 Interface Protection | Smartphone Audio Jack ESD Guard |
|---|---|
Use Scenario: Protecting D+ and D− lines of micro-USB connectors against repeated plug/unplug ESD events in handheld devices. IC Role / Device Role / Timing Role: Bidirectional shunt clamp placed within 3 mm of connector to minimize inductance and suppress transients before reaching USB PHY IC. Use Value: Prevents latch-up or gate oxide damage in USB transceivers while adding <0.5 ns propagation delay due to 7pF loading. | Use Scenario: Shielding 3.5mm TRRS audio jack pins (MIC, L/R, GND) from user-hand ESD during insertion/removal. IC Role / Device Role / Timing Role: Single-channel TVS across each signal-to-ground path; used in parallel configuration for multi-pin protection. Use Value: Maintains audio bandwidth >20 kHz with <100nA leakage, avoiding DC offset or noise injection into analog amplifier stages. |
| MIPI D-PHY Camera Link | Industrial Handheld Display Port |
Use Scenario: Safeguarding high-speed differential clock and data lanes between image sensor and SoC in compact camera modules. IC Role / Device Role / Timing Role: One D20V0L1B2LP-7B per lane pair (CLK+/CLK−, DATA+/DATA−); placed adjacent to sensor connector. Use Value: Clamps 2A transients to ≤34V without distorting 800 Mbps D-PHY eye diagrams, verified via TLP testing. | Use Scenario: ESD hardening of LVDS or eDP signal pairs in ruggedized medical or warehouse tablets with frequent cable mating cycles. IC Role / Device Role / Timing Role: Bidirectional clamp across differential pairs; selected for 20V standoff to match 18V rail-supplied display timing controllers. Use Value: Survives 50,000+ hot-plug cycles per IEC 61000-4-2 while maintaining <1% signal attenuation at 1.6 GHz. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ20A | DO-214AC package (4.5 × 2.7 mm); 33.3V clamping @ 2A; 150pF capacitance | Not suitable for high-speed data lines; limited to power rail or low-frequency I/O protection | Select only when board space allows larger footprint and signal bandwidth <10 MHz. |
| TPD2E001DRYR | 2-channel, 5.5V standoff, 1.5pF capacitance; same DFN1006-2 package | Lower voltage rating requires redesign of bias network; optimized for 3.3V logic, not 18–20V interfaces | Prefer for dual-line 3.3V USB or HDMI CEC; avoid for 20V-rated signal paths. |
Compared with SMAJ20A and TPD2E001DRYR, D20V0L1B2LP-7B uniquely balances 20V standoff, sub-10pF capacitance, and AEC-Q101 qualification - making it the only option for compact, high-reliability 18–20V data line protection in portable and automotive-adjacent designs.
Availability
D20V0L1B2LP-7B is available at Aetrix Electronics and suitable for USB 2.0 interface protection, smartphone audio jack ESD guard, and MIPI D-PHY camera link applications requiring stable component supply and full traceability.
Supply support for D20V0L1B2LP-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 centers across Asia and Europe. It serves automotive, industrial, computing, and consumer markets with high-reliability components.
D20V0L1B2LP-7B belongs to Diodes' TVS Diode portfolio targeting portable electronics ESD protection. These devices are engineered specifically for ultra-low capacitance, AEC-Q101 compliance, and miniaturized packaging to meet stringent space and performance constraints in modern handheld platforms.
FAQ
What is the maximum clamping voltage of D20V0L1B2LP-7B at 2A peak pulse current?
The maximum clamping voltage is 34 V under 8/20 µs waveform conditions at 2A peak pulse current, as specified in the Electrical Characteristics table. This value ensures protected ICs experience voltage stress below their absolute maximum ratings during worst-case ESD events, validated per IEC 61000-4-2 test methodology.
Is D20V0L1B2LP-7B suitable for protecting USB 3.0 or higher-speed interfaces?
No - its 7 pF typical capacitance introduces excessive signal loss above 500 MHz, making it unsuitable for USB 3.0 (5 Gbps), USB 3.1, or PCIe Gen2+. It is validated for USB 2.0 (480 Mbps), MIPI D-PHY (1.5 Gbps), and audio interfaces where bandwidth remains below 200 MHz.
Does D20V0L1B2LP-7B require orientation-specific PCB placement?
No - it is a fully bidirectional TVS diode with symmetric electrical characteristics between Pin 1 and Pin 2. The "DB" marking denotes Pin 1, but polarity does not affect ESD protection function; either terminal may connect to signal or ground depending on layout constraints.
How does the AEC-Q101 qualification impact usage in non-automotive applications?
AEC-Q101 qualification confirms extended reliability under thermal cycling, humidity, and mechanical stress - providing design margin for industrial handhelds, medical portables, and outdoor consumer devices. It does not imply automotive-grade qualification but signals superior robustness versus standard commercial TVS diodes.
D20V0L1B2LP-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:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 20V (Max)
- Voltage - Breakdown (Min):
- 21V
- Voltage - Clamping (Max) @ Ipp:
- 34V
- Current - Peak Pulse (10/1000µs):
- 2A (8/20µs)
- Power - Peak Pulse:
- 68W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- 7pF @ 1MHz
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- X1-DFN1006-2
D20V0L1B2LP-7B FAQ
1.How can I place an order for D20V0L1B2LP-7B through Aetrix?
Please submit a Request for Quotation (RFQ) for D20V0L1B2LP-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 D20V0L1B2LP-7B reliable?
The price and inventory of D20V0L1B2LP-7B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for D20V0L1B2LP-7B is usually 5 days.
3.What payment methods are accepted for D20V0L1B2LP-7B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D20V0L1B2LP-7B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D20V0L1B2LP-7B?
D20V0L1B2LP-7B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D20V0L1B2LP-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 D20V0L1B2LP-7B?
For technical support, including D20V0L1B2LP-7B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D20V0L1B2LP-7B requirements.
6.How does Aetrix verify that D20V0L1B2LP-7B is sourced from the original manufacturer or authorized distributors?
All D20V0L1B2LP-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 D20V0L1B2LP-7B meets industry standards.
7.What is the process for return or replacement of D20V0L1B2LP-7B?
All D20V0L1B2LP-7B units undergo pre-shipment inspection (PSI). If there is an issue with D20V0L1B2LP-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 D20V0L1B2LP-7B part is unused and in its original packaging.
Return procedure for D20V0L1B2LP-7B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D20V0L1B2LP-7B Tags
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Diodes Incorporated
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