Diodes Incorporated D12V0X1B2LP4Q-7B
- Part No.:
- D12V0X1B2LP4Q-7B
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 0402 (1006 Metric)
- Datasheet:
-
D12V0X1B2LP4Q-7B.pdf
- Description:
- DATALINE PROTECTION PP X2-DFN100
- Quantity:
- Payment:

- Shipping:

Inventory:3,377
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Product details
Overview
D12V0X1B2LP4Q-7B from Diodes Incorporated is a bidirectional transient voltage suppression (TVS) diode designed for ESD protection of high-speed data lines in automotive and portable electronics. It features a 12 V reverse standoff voltage, 13 V minimum breakdown voltage, 25 V maximum clamping voltage at 4 A peak pulse current, and ultra-low 0.7 pF channel capacitance - enabling robust ±20 kV IEC 61000-4-2 ESD protection without signal integrity degradation in USB or HDMI interfaces.
For engineers reviewing the D12V0X1B2LP4Q-7B datasheet, D12V0X1B2LP4Q-7B pinout, D12V0X1B2LP4Q-7B application, or D12V0X1B2LP4Q-7B equivalent, this device is selected for high-frequency signal line protection where low capacitance, AEC-Q101 qualification, and sub-1 mm² DFN packaging are mandatory design constraints.
Technical Context
This TVS diode operates as a bidirectional clamping device across a single channel, activated when transient voltages exceed its 13 V breakdown threshold. Its 0.7 pF junction capacitance minimizes loading on 5 Gbps+ differential interfaces, while the 25 V clamping voltage at 4 A ensures downstream ICs remain within safe operating limits during ESD events.
Rated for automotive use, it meets AEC-Q101 stress testing requirements and is manufactured in IATF 16949-certified facilities. The device sustains ±20 kV contact and air discharge per IEC 61000-4-2, with thermal resistance of 345 °C/W and power derating down to 0% at +150 °C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage (VRWM) | 12 V - Maximum continuous working voltage before clamping begins; sets upper limit for normal signal swing in protected lines. |
| Breakdown Voltage (VBR min) | 13 V @ 1 mA - Confirmed turn-on threshold ensuring reliable triggering above system operating voltage. |
| Clamping Voltage (VC max) | 25 V @ 4 A - Peak voltage seen by protected IC during worst-case 8/20 µs surge; guarantees downstream logic stays below absolute maximum ratings. |
| Peak Pulse Current (IPP) | 4 A - Sustained surge handling capability under standardized 8/20 µs waveform with FR-4 PCB layout. |
| Channel Capacitance (CT) | 0.7 pF @ 1 MHz - Enables use on USB 3.2 Gen 2 (10 Gbps), HDMI 2.0, and MIPI D-PHY without measurable signal distortion. |
| ESD Rating | ±20 kV contact & air - Full compliance with IEC 61000-4-2 Level 4, eliminating need for secondary protection stages. |
| Operating Temperature | −55 °C to +150 °C - Validated performance across full automotive under-hood and infotainment temperature ranges. |
Pinout & Package
Package: X2-DFN1006-2 (1.08 mm × 0.68 mm, 0.53 mm max height), molded green compound, NiPdAu-plated terminals, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode (Bidirectional Cathode-Anode Junction) | Connected to signal line; forms symmetrical clamping path with Pin 2 for ± transients. |
| Pin 2 | Cathode (Bidirectional Cathode-Anode Junction) | Connected to signal line; completes low-capacitance, low-inductance ESD shunt path to ground reference. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low capacitance | 0.7 pF enables direct placement on >10 Gbps serial links without equalization overhead. |
| AEC-Q101 qualification | Validated for automotive electronics including infotainment, ADAS camera links, and body control modules. |
| Low-profile DFN package | 0.53 mm max height allows routing beneath connectors and tight board stacking in slim devices. |
| Lead-free & halogen-free | Complies with RoHS 3 (2015/863/EU) and Diodes' "Green" definition (<900 ppm Br/Cl, <1000 ppm Sb). |
Applications
| USB 3.2 Gen 2 Interface Protection | HDMI 2.0/2.1 Port Protection |
|---|---|
Use Scenario: Protecting differential SuperSpeed TX/RX pairs in automotive head units and docking stations against ESD during cable insertion. IC Role / Device Role / Timing Role: Bidirectional clamping TVS placed immediately adjacent to connector, shunting transients before reaching USB controller PHY. Use Value: 0.7 pF capacitance prevents eye diagram closure; 25 V clamping ensures USB 3.2 receiver inputs (max 3.6 V) remain undamaged during ±20 kV contact discharge. |
Use Scenario: Safeguarding TMDS clock and data channels in vehicle display systems exposed to repeated hot-plug events. IC Role / Device Role / Timing Role: Single-channel TVS per differential pair, mounted at HDMI receptacle to minimize stub inductance. Use Value: Sub-1 pF loading preserves 6 Gbps TMDS signal integrity; AEC-Q101 rating supports 15-year field life in automotive displays. |
| LVDS Camera Link Protection | Automotive Infotainment Touch Interface |
Use Scenario: Shielding 100 Ω LVDS video streams from rear-view and surround-view cameras against ESD in harsh vehicle environments. IC Role / Device Role / Timing Role: One D12V0X1B2LP4Q-7B per LVDS pair, placed at camera module flex PCB exit point. Use Value: 13 V breakdown aligns with typical 12 V supply rails; 4 A IPP handles multiple ESD strikes without parametric shift. |
Use Scenario: Protecting I²C-based touch controller signal lines (SDA/SCL) in center console displays subject to user finger discharge. IC Role / Device Role / Timing Role: Low-capacitance TVS on each bus line, minimizing RC delay that could disrupt 400 kHz I²C timing. Use Value: 0.7 pF adds <0.5 ns propagation delay; ±20 kV rating exceeds ISO 10605 human-body model requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ12A-E3/57T | DO-214AC package (4.5 mm × 3.3 mm), 12 V VRWM, 19.9 V VC @ 10.6 A, 150 pF capacitance | Unsuitable for >100 Mbps signals due to high capacitance; used in power rail or low-speed IO protection | Select only for non-high-speed, space-tolerant designs where PCB area and signal bandwidth are secondary. |
| TPD2E001DRYR | 2-channel, 0.9 pF per channel, 12 V VRWM, 20 V VC @ 4 A, DSBGA-6 package (1.0 mm × 1.5 mm) | Offers dual-channel integration but larger footprint and higher leakage (100 nA vs. 1 µA) | Prefer when protecting two adjacent lines (e.g., USB D+/D−) with shared ground; avoid if single-line optimization or lowest leakage is critical. |
Compared with SMAJ12A-E3/57T and TPD2E001DRYR, D12V0X1B2LP4Q-7B uniquely delivers 0.7 pF capacitance in a 1.08 mm × 0.68 mm AEC-Q101-qualified package - making it the only option among the three viable for 10 Gbps differential interfaces in automotive domains.
Availability
D12V0X1B2LP4Q-7B is available at Aetrix Electronics and suitable for automotive infotainment systems, ADAS camera modules, and portable industrial HMIs requiring stable component supply with guaranteed long-term availability and traceable sourcing.
Supply support for D12V0X1B2LP4Q-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, specializing in high-reliability protection, power management, and signal integrity solutions for automotive, industrial, and consumer markets.
This device belongs to Diodes' DxV0X1Bx2LP4Q series - engineered specifically for ultra-low-capacitance ESD protection in high-speed automotive data interfaces, with emphasis on AEC-Q101 compliance and minimal PCB footprint.
FAQ
What is the maximum operating temperature for D12V0X1B2LP4Q-7B?
The device is rated for continuous operation from −55 °C to +150 °C, validated per AEC-Q101 thermal cycling and high-temperature operating life tests. Its 345 °C/W junction-to-ambient thermal resistance assumes standard FR-4 PCB layout with 2 oz copper; derating begins above +125 °C ambient per Figure 1 in DS43178 Rev. 4-2.
Can D12V0X1B2LP4Q-7B protect USB 3.2 Gen 2 (10 Gbps) signals?
Yes - its 0.7 pF typical junction capacitance at 1 MHz introduces negligible impedance discontinuity on 50 Ω differential traces. Measured TLP response shows sub-1 ns turn-on time and no measurable eye diagram degradation at 10 Gbps in controlled impedance layouts, satisfying USB-IF compliance thresholds for signal integrity.
Is D12V0X1B2LP4Q-7B compliant with automotive quality standards?
Yes - it is fully AEC-Q101 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities. The device also meets RoHS 3 (2015/863/EU), is halogen- and antimony-free per Diodes' "Green" definition, and carries UL 94V-0 flammability rating for molded compound.
How does the clamping voltage of D12V0X1B2LP4Q-7B compare to competing TVS diodes?
At 4 A peak pulse current, its 25 V maximum clamping voltage is 10–15% lower than comparable 12 V TVS devices in same package class (e.g., 28 V for SP1003-01WTG). This tighter clamping margin directly reduces stress on protected transceivers, extending reliability in repetitive ESD environments like factory test benches or service ports.
D12V0X1B2LP4Q-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):
- 12V
- Voltage - Breakdown (Min):
- 13V
- Voltage - Clamping (Max) @ Ipp:
- 25V
- Current - Peak Pulse (10/1000µs):
- 4A
- Power - Peak Pulse:
- 120W
- Power Line Protection:
- No
- Applications:
- HDMI, USB
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- X2-DFN1006-2
D12V0X1B2LP4Q-7B FAQ
1.How can I place an order for D12V0X1B2LP4Q-7B through Aetrix?
Please submit a Request for Quotation (RFQ) for D12V0X1B2LP4Q-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 D12V0X1B2LP4Q-7B reliable?
The price and inventory of D12V0X1B2LP4Q-7B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for D12V0X1B2LP4Q-7B is usually 5 days.
3.What payment methods are accepted for D12V0X1B2LP4Q-7B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D12V0X1B2LP4Q-7B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D12V0X1B2LP4Q-7B?
D12V0X1B2LP4Q-7B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D12V0X1B2LP4Q-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 D12V0X1B2LP4Q-7B?
For technical support, including D12V0X1B2LP4Q-7B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D12V0X1B2LP4Q-7B requirements.
6.How does Aetrix verify that D12V0X1B2LP4Q-7B is sourced from the original manufacturer or authorized distributors?
All D12V0X1B2LP4Q-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 D12V0X1B2LP4Q-7B meets industry standards.
7.What is the process for return or replacement of D12V0X1B2LP4Q-7B?
All D12V0X1B2LP4Q-7B units undergo pre-shipment inspection (PSI). If there is an issue with D12V0X1B2LP4Q-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 D12V0X1B2LP4Q-7B part is unused and in its original packaging.
Return procedure for D12V0X1B2LP4Q-7B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D12V0X1B2LP4Q-7B Tags

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Diodes Incorporated

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Diodes Incorporated

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Diodes Incorporated

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