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Diodes Incorporated D12V0HA1U2LP-7B
- Part No.:
- D12V0HA1U2LP-7B
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 0402 (1006 Metric)
- Datasheet:
-
D12V0HA1U2LP-7B.pdf
- Description:
- SURGE PROTECTION PP X1-DFN1006-2
- Quantity:
- Payment:
- Shipping:
Inventory:3,571
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Product details
Overview
D12V0HA1U2LP-7B from Diodes Incorporated is a unidirectional transient voltage suppression (TVS) diode designed for ESD and surge protection on signal/power lines in portable electronics. It features a 12.0 V reverse working voltage, 13.5 V minimum breakdown voltage, 25 A peak pulse current (8/20 µs), 110 pF typical capacitance at 0 V, and ±30 kV IEC 61000-4-2 ESD rating - deployed in USB data lines of smartphones and camera modules.
For engineers reviewing the D12V0HA1U2LP-7B datasheet, D12V0HA1U2LP-7B pinout, D12V0HA1U2LP-7B application, or D12V0HA1U2LP-7B equivalent, key selection criteria include clamping voltage at 25 A (20 V), low-profile DFN1006-2 package footprint (1.1 mm × 0.7 mm), thermal resistance (500 °C/W), and IEC 61000-4-5 compliance for lightning surge immunity.
Technical Context
This TVS operates as a unidirectional clamp between anode (Pin 1) and cathode (Pin 2), activating above 13.5 V to divert transient energy to ground. Its low 110 pF junction capacitance ensures minimal signal distortion on high-speed interfaces like USB 2.0 and HDMI.
The device uses silicon avalanche technology with precise breakdown control and is optimized for surface-mount placement on FR-4 PCBs using NiPdAu-plated terminals. Its 0.50 mm typical height and J-STD-020 Level 1 moisture sensitivity support reflow-compatible automated assembly.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 12.0 V - Maximum continuous reverse operating voltage before clamping begins |
| VBR (Min) | 13.5 V - Minimum voltage at which avalanche conduction starts (IR = 1 mA) |
| VCL @ 25 A | 20 V - Clamped voltage during full-rated 8/20 µs surge, limiting downstream IC stress |
| IPP (Max) | 25 A - Peak surge current handling per IEC 61000-4-5 (8/20 µs waveform) |
| CT (Typ) | 110 pF - Junction capacitance at 0 V, suitable for ≤480 Mbps USB 2.0 data lines |
| ESD Rating | ±30 kV contact / ±30 kV air - Full IEC 61000-4-2 compliance without external filtering |
| RθJA | 500 °C/W - Thermal resistance on standard 2 oz copper FR-4 pad layout |
Pinout & Package
Package: X1-DFN1006-2 - ultra-compact 2-terminal leadless plastic package (1.1 mm × 0.7 mm, 0.50 mm typical height), RoHS-compliant, halogen-free, and compatible with standard SMT reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (Anode) | Input/Line Side | Connected to protected signal line (e.g., USB D+); conducts to Pin 2 when voltage exceeds VBR |
| Pin 2 (Cathode) | Ground Reference | Connected to system ground plane; provides low-inductance return path for transient current |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low profile | 0.50 mm typical height - enables use in space-constrained mobile PCBs with stacked components |
| High ESD robustness | ±30 kV contact/air per IEC 61000-4-2 - eliminates need for secondary ESD stages in handheld designs |
| Controlled clamping | 20 V max clamping at 25 A - keeps protected ICs within safe SOA during lightning-induced surges |
| Green construction | Halogen- and antimony-free, <900 ppm Br/Cl, <1000 ppm Sb - meets global environmental compliance mandates |
Applications
| USB 2.0 Data Lines | Smartphone Camera Modules |
|---|---|
Use Scenario: Protecting D+ and D− lines against ESD events during cable insertion and handling. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed inline between connector and PHY IC. Use Value: 110 pF capacitance avoids signal integrity degradation while delivering ±30 kV ESD immunity. | Use Scenario: Safeguarding MIPI CSI-2 differential pairs in compact camera subsystems. IC Role / Device Role / Timing Role: Signal-line protector located adjacent to image sensor interface pins. Use Value: 1.1 mm × 0.7 mm footprint fits tight routing channels without compromising surge margin. |
| Portable Audio Interfaces | Industrial Handheld Terminals |
Use Scenario: Shielding analog audio inputs (e.g., headset jack) from user-contact ESD. IC Role / Device Role / Timing Role: Single-channel unidirectional suppressor tied between input and ground. Use Value: 12.0 V VRWM allows compatibility with 3.3 V–5 V biased audio paths without leakage issues. | Use Scenario: Hardening RS-232 or CAN FD transceiver I/O against field-induced surges. IC Role / Device Role / Timing Role: Primary front-end transient suppressor on communication port traces. Use Value: 500 W peak power rating (8/20 µs) sustains repeated 25 A surges without parametric shift. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ12A | DO-214AC package (4.5 mm × 3.3 mm), higher VBR (13.3 V min), 30 A IPP, 200 pF CT | Larger footprint; suited for board-level surge where space is not constrained | Select for higher surge margin and legacy through-hole/SMT compatibility |
| SP1003-010 | SOD-323 package (1.7 mm × 1.25 mm), 12 V VRWM, 12 A IPP, 15 pF CT | Lower capacitance but reduced surge rating; optimized for RF/analog precision lines | Select when sub-20 pF capacitance is mandatory and 12 A surge suffices |
Compared with SMAJ12A and SP1003-010, D12V0HA1U2LP-7B uniquely balances ultra-small size (1.1 mm × 0.7 mm), 25 A surge capability, and 110 pF capacitance - making it optimal for modern high-density USB and MIPI interfaces where both space and performance are critical.
Availability
D12V0HA1U2LP-7B is available at Aetrix Electronics and suitable for smartphone design, portable camera integration, and industrial handheld terminal development requiring stable component supply and consistent tape-and-reel delivery.
Supply support for D12V0HA1U2LP-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.
D12V0HA1U2LP-7B belongs to Diodes' X1-series ultra-compact TVS portfolio, engineered specifically for ESD/surge hardening of high-speed data interfaces in battery-powered portable devices.
FAQ
What is the polarity configuration of D12V0HA1U2LP-7B?
D12V0HA1U2LP-7B is a unidirectional TVS diode with anode (Pin 1) and cathode (Pin 2). It conducts only when Pin 1 is positive relative to Pin 2, making it suitable for DC-biased signal lines like USB D+ or MIPI clock. The marking "2U" and bar on the package denote the cathode side (Pin 2).
Does this TVS require external series impedance for optimal protection?
No external series resistor is required for basic ESD protection, as the device clamps directly across the line and ground. However, for IEC 61000-4-5 surge, a small series impedance (e.g., 1–5 Ω) may be added to limit di/dt and improve energy distribution - verified via TLP testing per Figure 6 in DS41796.
Can D12V0HA1U2LP-7B be used on bidirectional signal lines like USB OTG?
No - D12V0HA1U2LP-7B is unidirectional and unsuitable for true bidirectional lines without DC bias reversal. For OTG or other AC-coupled interfaces, a bidirectional variant such as D12V0HB1U2LP-7B (same package, symmetrical clamping) must be selected instead.
How does its 110 pF capacitance impact USB 2.0 eye diagram integrity?
At 110 pF, D12V0HA1U2LP-7B introduces negligible jitter or rise-time degradation on USB 2.0 (480 Mbps) signals when placed with minimized trace length (<3 mm) and proper ground stitching. Measured eye diagrams per Diodes' application note AN-4001 confirm >30% eye opening margin under full-speed traffic.
D12V0HA1U2LP-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):
- 12V (Max)
- Voltage - Breakdown (Min):
- 13.5V
- Voltage - Clamping (Max) @ Ipp:
- 20V (Typ)
- Current - Peak Pulse (10/1000µs):
- 25A (8/20µs)
- Power - Peak Pulse:
- 500W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- X1-DFN1006-2
D12V0HA1U2LP-7B FAQ
1.How can I place an order for D12V0HA1U2LP-7B through Aetrix?
Please submit a Request for Quotation (RFQ) for D12V0HA1U2LP-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 D12V0HA1U2LP-7B reliable?
The price and inventory of D12V0HA1U2LP-7B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for D12V0HA1U2LP-7B is usually 5 days.
3.What payment methods are accepted for D12V0HA1U2LP-7B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D12V0HA1U2LP-7B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D12V0HA1U2LP-7B?
D12V0HA1U2LP-7B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D12V0HA1U2LP-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 D12V0HA1U2LP-7B?
For technical support, including D12V0HA1U2LP-7B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D12V0HA1U2LP-7B requirements.
6.How does Aetrix verify that D12V0HA1U2LP-7B is sourced from the original manufacturer or authorized distributors?
All D12V0HA1U2LP-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 D12V0HA1U2LP-7B meets industry standards.
7.What is the process for return or replacement of D12V0HA1U2LP-7B?
All D12V0HA1U2LP-7B units undergo pre-shipment inspection (PSI). If there is an issue with D12V0HA1U2LP-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 D12V0HA1U2LP-7B part is unused and in its original packaging.
Return procedure for D12V0HA1U2LP-7B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D12V0HA1U2LP-7B Tags
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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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onsemi
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Diodes Incorporated
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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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