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Diodes Incorporated D34V0H1U2LP-7B
- Part No.:
- D34V0H1U2LP-7B
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 0402 (1006 Metric)
- Datasheet:
-
D34V0H1U2LP-7B.pdf
- Description:
- TVS DIODE 34VWM 58VC DFN1006-2
- Quantity:
- Payment:
- Shipping:
Inventory:6,893
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Product details
Overview
D34V0H1U2LP-7B from Diodes Incorporated is a unidirectional transient voltage suppression (TVS) diode designed for ESD protection of high-speed data lines in portable electronics. It features a 34 V reverse working voltage, 35 V minimum breakdown voltage, 43 V clamping voltage at 1 A, 44 pF typical junction capacitance, and ±18 kV contact/±20 kV air ESD immunity per IEC61000-4-2 - deployed in cellular handsets to safeguard USB, audio, and camera interfaces.
For engineers reviewing the D34V0H1U2LP-7B datasheet, D34V0H1U2LP-7B pinout, D34V0H1U2LP-7B application, or D34V0H1U2LP-7B equivalent, key selection criteria include low-capacitance ESD clamping performance, AEC-Q101 qualification for automotive-adjacent portable systems, X1-DFN1006-2 footprint compatibility, and 10 A peak pulse current handling under 8/20 µs transients.
Technical Context
This TVS diode operates as a unidirectional clamp between I/O and ground, activating only when reverse voltage exceeds 35 V to divert ESD energy away from protected circuitry. Its low 44 pF capacitance ensures minimal signal distortion on high-speed lines such as USB 2.0 and MIPI D-PHY interfaces up to 480 Mbps.
The device uses silicon avalanche technology with a controlled breakdown threshold and fast response time (<1 ns), enabling reliable suppression of sub-nanosecond ESD events. Thermal design relies on its 500 °C/W junction-to-ambient resistance and 250 mW steady-state power dissipation on standard FR-4 PCB layout.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 34.0 V - Maximum continuous reverse operating voltage before leakage exceeds 1 µA; sets safe margin below system rail voltage. |
| VBR (Min) | 35 V - Minimum breakdown voltage at 1 mA; defines earliest clamping activation point for overvoltage events. |
| VCL @ 1A | 43 V - Clamping voltage during 1 A 8/20 µs surge; determines maximum stress seen by downstream ICs. |
| CT | 44 pF - Junction capacitance at 0 V, 1 MHz; enables use on USB 2.0 and audio lines without signal integrity loss. |
| IPP (Max) | 10 A - Peak pulse current handling under 8/20 µs waveform; supports IEC61000-4-5 Level 2 lightning surge immunity. |
| ESD Rating | ±18 kV contact / ±20 kV air - Complies with IEC61000-4-2 Level 4; qualifies for front-panel button, port, and touchscreen ESD zones. |
| Package | X1-DFN1006-2 - 1.08 × 0.68 mm footprint, 0.53 mm max height; fits ultra-thin mobile PCB stack-ups. |
Pinout & Package
Package: X1-DFN1006-2 - 2-terminal, bottom-exposed thermal pad, cathode-marked with bar on Pin 1 side. Dimensions: 1.00 mm × 0.60 mm × 0.50 mm (L × W × H), 0.40 mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (Cathode) | Anode-side connection to protected line (e.g., USB D+) | Current flows from cathode to anode during clamping; connects to signal trace requiring protection. |
| Pin 2 (Anode) | Ground reference terminal | Low-inductance path to system ground plane; must be routed with short, wide trace for effective ESD dissipation. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low capacitance | 44 pF typical - preserves signal rise/fall times on 480 Mbps USB 2.0 and stereo audio paths. |
| AEC-Q101 qualified | Stress-tested per automotive reliability standards - supports industrial-grade portable devices with extended temperature and lifetime requirements. |
| Low-profile packaging | 0.53 mm max height - enables integration into <9.5 mm thick smartphones and wearables without mechanical interference. |
| Halogen & antimony free | <900 ppm Br/Cl, <1000 ppm Sb - meets IPC-1752A environmental compliance for global OEM supply chains. |
| Lead-free & RoHS 3 compliant | Fully compliant with EU Directive 2015/863/EU - eliminates lead, cadmium, mercury, hexavalent chromium, PBB, PBDE, DEHP, BBP, DBP, DIBP. |
Applications
| Smartphone Front-Panel Interfaces | USB 2.0 Data Lines |
|---|---|
Use Scenario: Protecting volume buttons, power keys, and proximity sensors from user-hand ESD during daily operation. IC Role / Device Role: Unidirectional TVS clamp placed between mechanical switch node and baseband processor GPIO. Use Value: Prevents latch-up or permanent damage to 1.8 V logic inputs while maintaining <0.5 µA leakage at 3.3 V system rail. | Use Scenario: Safeguarding D+ and D− lines against plug/unplug ESD in smartphone docking stations and OTG accessories. IC Role / Device Role: Single-channel TVS on each differential pair, mounted adjacent to connector with ground flood. Use Value: Maintains USB 2.0 eye diagram integrity (≤5% jitter increase) due to 44 pF capacitance and sub-1 ns response. |
| Digital Camera Image Sensors | Portable Audio Jacks |
Use Scenario: Shielding MIPI CSI-2 clock and data lanes from ESD induced during lens attachment or SD card insertion. IC Role / Device Role: Per-lane TVS protection on 1.2 V high-speed serial interface traces near sensor module edge. Use Value: Enables >100,000 mating cycles without signal degradation or pixel noise, validated per JEDEC JESD22-A114F. | Use Scenario: Guarding 3.5 mm TRRS jack contacts (mic, left/right, ground) against finger-touch ESD in Bluetooth headsets and earbuds. IC Role / Device Role: Dedicated TVS on each conductive ring, referenced to clean analog ground with separate decoupling. Use Value: Eliminates audible pop/click artifacts during hot-plug by clamping transients below ADC input saturation threshold. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ33A | DO-214AC package (4.5 × 2.7 mm), 33 V VRWM, 53.3 V VCL @ 10 A, 150 pF CT | Higher capacitance and larger footprint - unsuitable for high-speed data lines; used in power rail protection. | Select only for non-high-speed, space-tolerant designs where clamping voltage margin >15 V is acceptable. |
| SP1001-01UTG | SOD-323 package (1.7 × 1.25 mm), 3.3 V VRWM, 12 V VCL @ 1 A, 0.3 pF CT | Lower voltage rating and ultra-low capacitance - optimized for 3.3 V logic, not 34 V data-line protection. | Choose only for low-voltage digital I/O (e.g., GPIO, I²C); incompatible with 34 V system-level ESD stress. |
Compared with SMAJ33A and SP1001-01UTG, D34V0H1U2LP-7B uniquely balances 34 V operating voltage, 44 pF capacitance, and AEC-Q101 qualification - making it the only option among the three suitable for ESD-hardened USB 2.0 interfaces in automotive-infotainment-adjacent portable devices.
Availability
D34V0H1U2LP-7B is available at Aetrix Electronics and suitable for smartphone front-panel interfaces, USB 2.0 data lines, and portable audio jacks requiring stable component supply across high-mix, low-volume production runs.
Supply support for D34V0H1U2LP-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' X1-DFN series of ultra-compact TVS diodes, engineered specifically for ESD protection in space-constrained portable consumer electronics with stringent signal-integrity requirements.
FAQ
What is the maximum operating temperature range for D34V0H1U2LP-7B?
The device operates from –65 °C to +150 °C, verified per JESD22-A104 temperature cycling and JESD22-A108 high-temperature storage tests. This full range supports deployment in automotive cabin environments and industrial handhelds exposed to thermal extremes.
Does D34V0H1U2LP-7B require external biasing or control signals?
No - it is a passive, two-terminal device that functions without any external power, bias, or control. Clamping activates automatically when reverse voltage exceeds 35 V, with no latency or configuration required. It draws zero quiescent current in normal operation.
Can D34V0H1U2LP-7B protect bidirectional signal lines like I²C or UART?
No - it is unidirectional and protects only signals referenced to ground with defined polarity. For bidirectional lines, a dual-channel or bidirectional TVS (e.g., D34V0H1U2LP's complementary dual variant) is required to clamp both positive and negative transients.
Is the X1-DFN1006-2 package compatible with standard reflow profiles?
Yes - it is qualified for IPC/JEDEC J-STD-020 moisture sensitivity level 1 and supports standard lead-free reflow profiles (peak 260 °C, 60–90 sec above 217 °C). The NiPdAu-plated terminals ensure robust solderability per MIL-STD-202 Method 208.
D34V0H1U2LP-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):
- 34V (Max)
- Voltage - Breakdown (Min):
- 35V
- Voltage - Clamping (Max) @ Ipp:
- 58V
- Current - Peak Pulse (10/1000µs):
- 10A (8/20µs)
- Power - Peak Pulse:
- 580W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 44pF @ 1MHz
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- X1-DFN1006-2
D34V0H1U2LP-7B FAQ
1.How can I place an order for D34V0H1U2LP-7B through Aetrix?
Please submit a Request for Quotation (RFQ) for D34V0H1U2LP-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 D34V0H1U2LP-7B reliable?
The price and inventory of D34V0H1U2LP-7B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for D34V0H1U2LP-7B is usually 5 days.
3.What payment methods are accepted for D34V0H1U2LP-7B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D34V0H1U2LP-7B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D34V0H1U2LP-7B?
D34V0H1U2LP-7B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D34V0H1U2LP-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 D34V0H1U2LP-7B?
For technical support, including D34V0H1U2LP-7B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D34V0H1U2LP-7B requirements.
6.How does Aetrix verify that D34V0H1U2LP-7B is sourced from the original manufacturer or authorized distributors?
All D34V0H1U2LP-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 D34V0H1U2LP-7B meets industry standards.
7.What is the process for return or replacement of D34V0H1U2LP-7B?
All D34V0H1U2LP-7B units undergo pre-shipment inspection (PSI). If there is an issue with D34V0H1U2LP-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 D34V0H1U2LP-7B part is unused and in its original packaging.
Return procedure for D34V0H1U2LP-7B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D34V0H1U2LP-7B Tags
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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