Diodes Incorporated D12V0L1B2LP-7B
- Part No.:
- D12V0L1B2LP-7B
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 0402 (1006 Metric)
- Datasheet:
-
D12V0L1B2LP-7B.pdf
- Description:
- TVS DIODE 12VWM 25VC DFN1006-2
- Quantity:
- Payment:

- Shipping:

Inventory:1,062,034
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Product details
Overview
D12V0L1B2LP-7B from Diodes Incorporated is a bidirectional TVS diode designed for ESD protection of high-speed data lines in portable electronics. It features a 12 V reverse standoff voltage, ±30 kV IEC 61000-4-2 contact/air discharge rating, 10 pF typical junction capacitance, 4 A peak pulse current (8/20 µs), and a compact X1-DFN1006-2 package-ideal for USB 2.0, HDMI, and audio jack interfaces in smartphones and wearables.
For engineers reviewing the D12V0L1B2LP-7B datasheet, D12V0L1B2LP-7B pinout, D12V0L1B2LP-7B application, or D12V0L1B2LP-7B equivalent, key selection criteria include low clamping voltage (25 V at 4 A), ultra-low capacitance for signal integrity, RoHS- and halogen-free compliance, and AEC-Q101 qualification for automotive infotainment interfaces.
Technical Context
This TVS diode operates as a bidirectional transient suppressor with symmetrical breakdown behavior above ±13 V (VBR min). Its low 10 pF capacitance ensures minimal signal distortion on high-frequency lines up to 500 MHz, while the 25 V clamping voltage at 4 A limits voltage overshoot during ESD events.
The device uses a planar silicon junction structure in a leadless DFN package with NiPdAu-plated terminals. Thermal resistance is 500 °C/W (junction-to-ambient), and power derating begins above 25 °C ambient per Figure 1-critical for PCB layout in thermally constrained handheld enclosures.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage | 12 V - Maximum continuous working voltage before conduction begins; sets operating margin for 3.3 V/5 V data lines. |
| Breakdown Voltage (min) | 13 V - Guaranteed conduction onset under ESD stress; ensures reliable triggering before IC damage threshold. |
| Clamping Voltage (4 A) | 25 V - Peak voltage seen by protected IC during worst-case 8/20 µs surge; defines safe voltage ceiling. |
| Junction Capacitance (typ) | 10 pF - Low capacitive loading preserves signal rise/fall times on USB 2.0 or audio differential pairs. |
| ESD Rating (IEC 61000-4-2) | ±30 kV contact/air - Full system-level ESD immunity without external shielding or filtering. |
| Package | X1-DFN1006-2 - 1.08 × 0.68 mm footprint with 0.53 mm max height; enables placement adjacent to connectors. |
Pinout & Package
Package: X1-DFN1006-2, 2-terminal leadless plastic package with exposed copper pad (no thermal slug), compliant with JEDEC MO-229 and J-STD-020 Level 1 moisture sensitivity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Pin 1) | Transient return path for negative ESD events | Connected to ground or low-impedance reference plane; forms symmetrical clamp with cathode. |
| Cathode (Pin 2) | Transient return path for positive ESD events | Connected to protected signal line; conducts surge current to ground when voltage exceeds ±13 V. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional ESD suppression | Enables single-device protection of AC-coupled or differential signals (e.g., USB D+/D−) without polarity constraints. |
| Ultra-low 10 pF capacitance | Maintains >200 MHz bandwidth on 50 Ω traces; avoids signal attenuation or timing skew in high-speed interfaces. |
| AEC-Q101 qualified | Validated for automotive infotainment and telematics modules requiring extended temperature (-65°C to +150°C) reliability. |
| Halogen- and antimony-free "Green" construction | Meets IPC-1752A Class 2 reporting requirements and EU ELV Directive for end-of-life recyclability. |
Applications
| Smartphone USB Port Protection | Digital Camera HDMI Interface |
|---|---|
Use Scenario: ESD discharge from human finger contact on micro-USB connector during cable insertion. IC Role / Device Role / Timing Role: Bidirectional TVS clamps transients on both D+ and D− lines simultaneously, preserving USB 2.0 full-speed signaling integrity. Use Value: 10 pF capacitance prevents >10% rise-time degradation at 480 Mbps; ±30 kV rating eliminates need for secondary board-level shielding. | Use Scenario: Static discharge across HDMI Type-D plug during hot-plug connection to display. IC Role / Device Role / Timing Role: Low-capacitance TVS placed at source side of TMDS clock/data channels to suppress fast-rising ESD pulses without affecting 2.25 Gbps eye diagram. Use Value: 25 V clamping at 4 A ensures downstream HDMI receiver ICs (e.g., ADV7611) remain below absolute maximum ratings during IEC 61000-4-2 testing. |
| Automotive Infotainment Touchscreen | Wireless Headset Audio Jack |
Use Scenario: ESD event on capacitive touch overlay or USB-C port in vehicle cabin (ISO 10605-compliant environment). IC Role / Device Role / Timing Role: AEC-Q101-qualified TVS provides robust front-end protection for touchscreen controller I²C lines and USB-C CC detection pins. Use Value: -65°C to +150°C operating range supports under-hood or dashboard mounting; 0.53 mm profile fits tight bezel space behind glass overlay. | Use Scenario: Electrostatic discharge from user's hand onto 3.5 mm TRRS jack during headset insertion into smartphone or tablet. IC Role / Device Role / Timing Role: Single-channel TVS placed on left/right audio and microphone paths to prevent pop-noise and ADC saturation in codec ICs. Use Value: 12 V standoff allows compatibility with 3.3 V bias rails; 1 nA leakage at 12 V prevents DC offset drift in analog audio paths. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ12CA-TP (Micro Commercial) | DO-214AC package (4.5 × 2.7 mm); 13.3 V VBR; 27.2 V clamping at 4 A; 100 W PPP | Not suitable for space-constrained portable designs; higher thermal mass delays response vs. DFN | Prefer for industrial PCBs where board area >20 mm² available and higher surge energy handling required. |
| SP1003-01UTG (Littelfuse) | 0201 package (0.6 × 0.3 mm); 12 V VRWM; 12 pF CT; ±30 kV ESD rating | Smaller footprint but higher 12 pF capacitance degrades >300 MHz signal integrity | Prefer only when absolute minimum size is critical and data rate ≤100 Mbps (e.g., I²C, UART). |
Compared with SMAJ12CA-TP and SP1003-01UTG, D12V0L1B2LP-7B uniquely balances sub-1 mm² footprint, 10 pF capacitance, and AEC-Q101 qualification-making it optimal for automotive-grade portable interfaces where size, speed, and reliability intersect.
Availability
D12V0L1B2LP-7B is available at Aetrix Electronics and suitable for smartphone USB protection, automotive infotainment HDMI interfaces, and wireless headset audio jack ESD hardening requiring stable component supply across high-mix production runs.
Supply support for D12V0L1B2LP-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 manufacturing in China, Taiwan, and the U.S.
This device belongs to Diodes' X1-series low-capacitance TVS portfolio, engineered specifically for ESD protection of high-speed digital interfaces in space-limited consumer and automotive electronics.
FAQ
What is the maximum operating temperature for D12V0L1B2LP-7B?
The device operates from –65°C to +150°C, validated per JESD22-A104 and JESD22-A105. This full automotive-grade range supports deployment in engine bay control modules and under-display smartphone components where thermal cycling exceeds consumer-grade limits.
Does D12V0L1B2LP-7B require a heatsink for 4 A pulse handling?
No heatsink is required. The 250 mW steady-state power dissipation and 500 °C/W thermal resistance are rated for FR-4 PCB layouts with Diodes' recommended 2 oz copper pad (AP02001). Pulse energy (100 W, 8/20 µs) is handled junction-transiently without sustained heating.
Can D12V0L1B2LP-7B protect RS-485 lines?
No-it is not rated for the ±35 V common-mode range or 10 kV IEC 61000-4-5 surge immunity required for RS-485. Its 12 V standoff and 25 V clamping are optimized for low-voltage data lines like USB, HDMI, and audio; use PTVS3.3S1UR for RS-485.
Is the marking "Q8" on the top surface orientation-specific?
Yes-"Q8" denotes Pin 1 location per Diodes' standard bottom-view orientation. When viewed from the top, Pin 1 is at the bottom-left corner of the DFN body; correct orientation ensures proper anode/cathode routing to ground and signal net per schematic symbol.
D12V0L1B2LP-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 (Max)
- Voltage - Breakdown (Min):
- 13V
- Voltage - Clamping (Max) @ Ipp:
- 25V
- Current - Peak Pulse (10/1000µs):
- 4A (8/20µs)
- Power - Peak Pulse:
- 100W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- 10pF @ 1MHz
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- X1-DFN1006-2
D12V0L1B2LP-7B FAQ
1.How can I place an order for D12V0L1B2LP-7B through Aetrix?
Please submit a Request for Quotation (RFQ) for D12V0L1B2LP-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 D12V0L1B2LP-7B reliable?
The price and inventory of D12V0L1B2LP-7B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for D12V0L1B2LP-7B is usually 5 days.
3.What payment methods are accepted for D12V0L1B2LP-7B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D12V0L1B2LP-7B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D12V0L1B2LP-7B?
D12V0L1B2LP-7B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D12V0L1B2LP-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 D12V0L1B2LP-7B?
For technical support, including D12V0L1B2LP-7B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D12V0L1B2LP-7B requirements.
6.How does Aetrix verify that D12V0L1B2LP-7B is sourced from the original manufacturer or authorized distributors?
All D12V0L1B2LP-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 D12V0L1B2LP-7B meets industry standards.
7.What is the process for return or replacement of D12V0L1B2LP-7B?
All D12V0L1B2LP-7B units undergo pre-shipment inspection (PSI). If there is an issue with D12V0L1B2LP-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 D12V0L1B2LP-7B part is unused and in its original packaging.
Return procedure for D12V0L1B2LP-7B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D12V0L1B2LP-7B Tags

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ESD9B5.0ST5G
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DESD3V3E1BL-7B
Diodes Incorporated

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Diodes Incorporated

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Diodes Incorporated

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Diodes Incorporated

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ESD5Z5.0T1G
onsemi

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Diodes Incorporated

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D12V0L1B2LP-7B
Diodes Incorporated

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Nexperia USA Inc.

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Toshiba Semiconductor and Storage

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Diodes Incorporated
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