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Diodes Incorporated D18V0L1B2LPQ-7B
- Part No.:
- D18V0L1B2LPQ-7B
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 0402 (1006 Metric)
- Datasheet:
-
D18V0L1B2LPQ-7B.pdf
- Description:
- TVS DIODE 20VWM 30VC DFN1006-2
- Quantity:
- Payment:
- Shipping:
Inventory:160,650
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Product details
Overview
D18V0L1B2LPQ-7B from Diodes Incorporated is a bidirectional TVS diode designed for ESD protection of high-speed data lines in automotive infotainment systems. It features a 21V minimum breakdown voltage, 2.0A peak pulse current (8/20μs), 7pF typical capacitance at 0V, ±15kV contact/±20kV air ESD rating per IEC 61000-4-2, and is qualified to AEC-Q101 for automotive reliability.
For engineers reviewing the D18V0L1B2LPQ-7B datasheet, D18V0L1B2LPQ-7B pinout, D18V0L1B2LPQ-7B application, or D18V0L1B2LPQ-7B equivalent, key selection criteria include clamping voltage under 2A transients (≤34V), low-channel capacitance for HDMI/USB signal integrity, AEC-Q101 qualification status, and X1-DFN1006-2 package compatibility with space-constrained PCB layouts.
Technical Context
This device operates as a bidirectional transient voltage suppressor, leveraging avalanche breakdown to clamp fast-rising ESD events while maintaining low leakage (<100nA at 20V) and minimal parasitic capacitance. Its symmetrical V-I response enables protection of differential or single-ended lines without polarity constraints.
The X1-DFN1006-2 package integrates NiPdAu-plated terminals on a copper leadframe, supporting solder reflow per MIL-STD-202 and achieving 500°C/W junction-to-ambient thermal resistance on standard FR-4 PCBs. Power derating begins above 25°C ambient, with full 250mW dissipation only at TA ≤ 25°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Breakdown Voltage (VBR) | 21V min - ensures reliable conduction onset before damage to protected ICs |
| Clamping Voltage (VCL) | 34V max at 2A - limits voltage seen by downstream circuitry during worst-case surge |
| Peak Pulse Current (IPP) | 2.0A (8/20μs) - withstands IEC 61000-4-5 surge waveforms |
| Capacitance (CT) | 7.0pF typ at 0V - preserves signal integrity on USB 2.0/HDMI 1.4 channels |
| ESD Rating | ±15kV contact / ±20kV air - meets automotive infotainment immunity requirements per IEC 61000-4-2 |
| Leakage Current (IR) | 100nA max at 20V - avoids loading of high-impedance data lines |
| Package | X1-DFN1006-2 - 1.08 × 0.68mm footprint, 0.53mm height, suitable for automated SMT assembly |
Pinout & Package
Package: X1-DFN1006-2 - ultra-compact, low-profile, surface-mount plastic package with two terminals, NiPdAu-plated copper leadframe, UL 94V-0 rated molding compound, and moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode/Cathode (bidirectional) | Shared terminal for symmetrical clamping; no polarity assignment required in layout |
| Pin 2 | Anode/Cathode (bidirectional) | Paired terminal completing the bidirectional ESD path; both pins function identically |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive-grade temperature cycling (-55°C to +150°C) and mechanical stress testing |
| Low 7pF capacitance | Enables use on 480Mbps USB 2.0 and 2.25Gbps HDMI 1.4 differential pairs without signal degradation |
| ±20kV air / ±15kV contact ESD | Exceeds IEC 61000-4-2 Level 4 requirements for system-level ESD immunity |
| Lead-free & halogen-free | Complies with RoHS 3 (2015/863/EU) and Diodes' "Green" definition (<900ppm Br/Cl, <1000ppm Sb) |
| 0.001g weight & 1.08×0.68mm footprint | Minimizes board area and mass in portable infotainment modules and head-unit PCBs |
Applications
| USB 2.0 Interface Protection | HDMI 1.4 Data Line Protection |
|---|---|
Use Scenario: Protecting D+ and D− lines of automotive USB host ports against hot-plug ESD events and cable discharge. IC Role / Device Role / Timing Role: Bidirectional clamping element placed directly at connector, shunting transients before reaching USB transceiver. Use Value: 7pF capacitance avoids eye diagram distortion at 480Mbps; 34V clamping prevents damage to PHY's 3.3V I/O cells. | Use Scenario: Safeguarding TMDS clock and data channels in vehicle infotainment displays against ESD from user interaction or cable handling. IC Role / Device Role / Timing Role: Low-capacitance TVS placed adjacent to HDMI receptacle, providing symmetrical surge suppression on each differential pair. Use Value: 21V VBR ensures no conduction during normal 3.3V operation; 2.0A IPP handles multiple ESD strikes without degradation. |
| Automotive Infotainment Console | Telematics Control Unit (TCU) I/O Protection |
Use Scenario: ESD hardening of touch-screen interface, audio jack, and SD card slot in center-stack infotainment units. IC Role / Device Role / Timing Role: Discrete TVS deployed across multiple low-voltage analog/digital I/Os requiring compact, AEC-Q101-compliant protection. Use Value: AEC-Q101 qualification guarantees reliability over 15-year vehicle lifetime; 0.53mm profile fits beneath tight bezel assemblies. | Use Scenario: Protecting CAN FD, LIN, and cellular antenna control lines in TCUs exposed to harsh ESD environments during service or installation. IC Role / Device Role / Timing Role: Secondary-level ESD guard on non-high-speed control signals where low capacitance is less critical than robust surge handling. Use Value: 68W peak power rating sustains repeated 2A surges; PPAP capability supports Tier-1 production traceability requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ18A-Q | Unidirectional, SMA package (4.5×2.7mm), 3.5A IPP, 12pF CT | Requires polarity-aware layout; higher capacitance limits use on >100Mbps lines | Select when higher surge current rating is prioritized over board space and high-speed signal integrity |
| SP1003-01UTG | Bi-directional, SOD-523 (1.3×0.85mm), 12A IPP, 0.3pF CT, ±30kV ESD | Smaller capacitance enables PCIe Gen3/USB 3.0; lower IPP rating not applicable here | Select for next-gen high-speed interfaces where sub-1pF capacitance is mandatory and AEC-Q101 is not required |
Compared with SMAJ18A-Q and SP1003-01UTG, D18V0L1B2LPQ-7B uniquely balances AEC-Q101 compliance, 7pF capacitance, and X1-DFN1006-2 miniaturization-making it optimal for cost-sensitive, space-constrained automotive USB/HDMI protection where ±15kV/±20kV ESD immunity suffices.
Availability
D18V0L1B2LPQ-7B is available at Aetrix Electronics and suitable for automotive infotainment systems, USB 2.0 peripheral interfaces, and HDMI 1.4 display modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for D18V0L1B2LPQ-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, manufacturing, and sales operations across Asia, Europe, and North America.
This device belongs to Diodes' AEC-Q101-qualified TVS diode portfolio, engineered specifically for ESD-hardened automotive electronics-including infotainment, telematics, and ADAS subsystems-where reliability, miniaturization, and signal integrity are co-prioritized.
FAQ
What is the maximum clamping voltage of D18V0L1B2LPQ-7B at 2A?
The maximum clamping voltage is 34V at 2.0A peak pulse current (8/20μs waveform), measured per IEC 61000-4-5 test conditions. This value ensures protected ICs experience no more than 34V during worst-case surge events, well below typical 3.3V or 5V I/O absolute maximum ratings.
Is D18V0L1B2LPQ-7B suitable for USB 3.0 or HDMI 2.0 interfaces?
No-it is not recommended for USB 3.0 (5Gbps) or HDMI 2.0 (18Gbps) due to its 7pF typical capacitance, which causes excessive signal loss and jitter at those speeds. It is validated for USB 2.0 (480Mbps) and HDMI 1.4 (2.25Gbps) where insertion loss remains within acceptable limits per industry channel models.
Does D18V0L1B2LPQ-7B require orientation-specific placement on PCB?
No-its bidirectional construction means Pin 1 and Pin 2 are electrically identical; no anode/cathode orientation is needed. The "SE" marking indicates product type, not polarity. Layout follows symmetric pad geometry per Diodes' X1-DFN1006-2 recommended footprint.
How does the AEC-Q101 qualification impact usage in non-automotive applications?
AEC-Q101 qualification confirms robustness across -55°C to +150°C operation, high-reliability packaging, and rigorous stress testing-making it suitable for industrial, medical, and aerospace applications demanding extended temperature range and long-term stability, even if automotive certification itself is not required.
D18V0L1B2LPQ-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:
- 30V
- Current - Peak Pulse (10/1000µs):
- 2A (8/20µs)
- Power - Peak Pulse:
- 68W
- Power Line Protection:
- No
- Applications:
- HDMI, USB
- Capacitance @ Frequency:
- 7pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- X1-DFN1006-2
D18V0L1B2LPQ-7B FAQ
1.How can I place an order for D18V0L1B2LPQ-7B through Aetrix?
Please submit a Request for Quotation (RFQ) for D18V0L1B2LPQ-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 D18V0L1B2LPQ-7B reliable?
The price and inventory of D18V0L1B2LPQ-7B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for D18V0L1B2LPQ-7B is usually 5 days.
3.What payment methods are accepted for D18V0L1B2LPQ-7B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D18V0L1B2LPQ-7B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D18V0L1B2LPQ-7B?
D18V0L1B2LPQ-7B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D18V0L1B2LPQ-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 D18V0L1B2LPQ-7B?
For technical support, including D18V0L1B2LPQ-7B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D18V0L1B2LPQ-7B requirements.
6.How does Aetrix verify that D18V0L1B2LPQ-7B is sourced from the original manufacturer or authorized distributors?
All D18V0L1B2LPQ-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 D18V0L1B2LPQ-7B meets industry standards.
7.What is the process for return or replacement of D18V0L1B2LPQ-7B?
All D18V0L1B2LPQ-7B units undergo pre-shipment inspection (PSI). If there is an issue with D18V0L1B2LPQ-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 D18V0L1B2LPQ-7B part is unused and in its original packaging.
Return procedure for D18V0L1B2LPQ-7B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D18V0L1B2LPQ-7B Tags
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