Diodes Incorporated D20V0M2U3LP4-7B
- Part No.:
- D20V0M2U3LP4-7B
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 3-XFDFN
- Datasheet:
-
D20V0M2U3LP4-7B.pdf
- Description:
- GENERAL PROTECTION PP X2-DFN1006
- Quantity:
- Payment:

- Shipping:

Inventory:7,944
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Product details
Overview
D20V0M2U3LP4-7B from Diodes Incorporated is a 2-channel unidirectional TVS diode array designed for ESD protection of high-speed data lines in portable electronics. It features a 20V reverse standoff voltage, 21V minimum breakdown voltage, 7A peak pulse current (8/20µs), 45pF channel capacitance, and ±25kV IEC 61000-4-2 contact/air ESD rating - deployed in cellular handsets and USB/MIPI interfaces.
For engineers reviewing the D20V0M2U3LP4-7B datasheet, D20V0M2U3LP4-7B pinout, D20V0M2U3LP4-7B application, or D20V0M2U3LP4-7B equivalent, this device delivers verified low-capacitance transient suppression for compact, high-density PCB layouts with strict ESD immunity requirements in consumer mobile platforms.
Technical Context
This TVS array uses silicon avalanche diode technology to clamp transient overvoltages before they reach sensitive IC inputs. Its dual-channel architecture protects two independent signal paths with shared cathode configuration and discrete anode terminals, enabling bidirectional surge handling per channel while maintaining unidirectional conduction polarity relative to ground.
The X2-DFN1006-3 package integrates thermal efficiency via copper leadframe and NiPdAu plating, supporting 250mW steady-state power dissipation and 500°C/W junction-to-ambient thermal resistance under standard FR-4 mounting conditions - critical for sustained reliability in thermally constrained handheld enclosures.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage | 20 V - Maximum continuous operating voltage before leakage exceeds 100 nA; defines safe signal swing range for protected lines. |
| Breakdown Voltage (min) | 21 V - Guaranteed clamping initiation threshold at 1 mA test current; ensures robust margin above VRWM. |
| Peak Pulse Current | 7 A - Withstands 8/20 µs surges up to 7A without failure; validated per IEC 61000-4-5 lightning surge testing. |
| Clamping Voltage | 43 V - Maximum voltage seen by protected circuit during 7A transient; limits stress on downstream logic inputs. |
| Channel Capacitance | 45 pF - Measured at 0 V and 1 MHz; preserves signal integrity for USB 2.0 and MIPI D-PHY data rates up to ~480 Mbps. |
| ESD Rating | ±25 kV - Complies with IEC 61000-4-2 Contact and Air discharge; meets highest industrial ESD immunity class. |
| Power Dissipation | 250 mW - Continuous DC power limit on FR-4 board; supports long-term operation in battery-powered devices. |
Pinout & Package
Package: X2-DFN1006-3 - ultra-thin (0.40 mm max height), ultra-small footprint (1.05 × 0.65 mm), lead-free, halogen-free, RoHS-compliant surface-mount package with exposed thermal pad (no electrical connection).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode Channel 1 | Input terminal for first protected signal line; connects to I/O trace upstream of protected IC. |
| Pin 2 | Cathode (Common) | Shared ground reference for both channels; must be connected to low-impedance system ground plane. |
| Pin 3 | Anode Channel 2 | Input terminal for second protected signal line; electrically isolated from Pin 1 except through common cathode. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low profile | 0.40 mm max height - enables integration beneath thin display bezels and stacked PCB assemblies in smartphones. |
| Low channel capacitance | 45 pF - minimizes signal distortion and timing skew on high-speed differential pairs (e.g., USB D+/D−). |
| IEC 61000-4-2 certified ESD protection | ±25 kV contact/air - eliminates need for external ESD test fixtures during system-level qualification. |
| Green compound packaging | Halogen- and antimony-free (<900 ppm Br/Cl, <1000 ppm Sb) - satisfies automotive and EU eco-regulatory requirements. |
| Moisture sensitivity level | Level 1 per J-STD-020 - allows unlimited floor life and standard reflow without baking preconditioning. |
Applications
| Smartphone Front-Facing Camera Interface | USB 2.0 Data Line Protection |
|---|---|
Use Scenario: Protects MIPI CSI-2 data lanes between image sensor and application processor from ESD events during SIM/microSD card insertion or button actuation. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed directly at connector side of flex cable, providing sub-100 ps response to fast-rising ESD transients. Use Value: 45 pF capacitance avoids degrading 1.5 Gbps MIPI data eye; ±25 kV rating ensures pass/fail compliance in IEC 61000-4-2 pre-scan testing. | Use Scenario: Shields D+ and D− lines of micro-USB port against user-induced ESD during cable plug/unplug cycles in portable chargers and accessories. IC Role / Device Role / Timing Role: Dual-channel transient suppressor with common cathode tied to chassis ground, minimizing ground bounce during multi-pin discharge events. Use Value: 20 V VRWM matches USB 2.0 signaling range (0–3.6 V); 43 V clamping prevents latch-up in USB transceivers during 7A surge events. |
| Wireless Headset Audio Codec Interface | Industrial Handheld Scanner Button Matrix |
Use Scenario: Safeguards I²S digital audio lines between Bluetooth SoC and audio codec in true wireless stereo earbuds subject to pocket discharge. IC Role / Device Role / Timing Role: Low-capacitance ESD shunt mounted adjacent to codec's input pins, preserving jitter performance below 1 ps RMS. Use Value: 0.40 mm height accommodates 0.6 mm PCB thickness constraints; 100 nA leakage avoids bias shift in high-impedance audio input stages. | Use Scenario: Protects multiplexed GPIO scan lines in ruggedized barcode scanners exposed to repeated static discharge from operator gloves or plastic housings. IC Role / Device Role / Timing Role: Two-channel TVS array assigned to row/column scan bus, leveraging shared cathode to reduce component count versus discrete diodes. Use Value: 300 W peak pulse power withstands multiple 8/20 µs surges without parameter drift; RoHS/Green compliance meets industrial CE marking requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel unidirectional TVS protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMA6J20A-Q | DO-214AC package (4.5 × 2.7 mm), 200 W PPP, 5.5 A IPP, 100 pF CT | Larger footprint; higher capacitance limits use in >100 Mbps interfaces | Select when board space permits and lower-cost through-hole assembly is preferred. |
| SP1003-02UTG | SOD-323 package (1.7 × 1.3 mm), 300 W PPP, 7 A IPP, 30 pF CT, 17 V VRWM | Lower standoff voltage reduces margin for 3.3 V systems with rail tolerance; tighter capacitance spec | Choose for higher-speed interfaces where 30 pF is mandatory and 17 V VRWM suffices. |
Compared with SMA6J20A-Q and SP1003-02UTG, D20V0M2U3LP4-7B uniquely balances ultra-small size (1.05 × 0.65 mm), 20 V VRWM headroom, and 45 pF capacitance - making it optimal for space-constrained, high-data-rate consumer ports where layout density and ESD margin are co-constrained.
Availability
D20V0M2U3LP4-7B is available at Aetrix Electronics and suitable for smartphone camera modules, USB accessory designs, wireless audio subsystems, and industrial handheld scanner interfaces requiring stable component supply across high-volume production ramps.
Supply support for D20V0M2U3LP4-7B 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 consumer, industrial, and automotive markets.
This device belongs to Diodes' UniGuard™ TVS portfolio, engineered specifically for ultra-compact, high-ESD-immunity protection of high-speed serial interfaces in battery-powered portable electronics.
FAQ
What is the maximum operating temperature for D20V0M2U3LP4-7B?
The device operates reliably from −55°C to +150°C ambient temperature. Its thermal resistance (RθJA = 500°C/W) and 250 mW power dissipation rating assume mounting on a standard FR-4 PCB with Diodes' recommended 2 oz copper pad layout - derating applies above +25°C per Figure 1 in DS42778.
Does D20V0M2U3LP4-7B support bidirectional signal lines?
No - it is a unidirectional TVS array. Each channel conducts only from anode to cathode, protecting signals referenced to ground. For bidirectional lines like USB D+/D−, it must be used in pairs or with complementary polarity configurations; the common cathode requires connection to system ground.
How is the marking code 'R2' interpreted on the top surface?
'R2' is the product type marking code per Diodes' internal designation system. It identifies the D20V0M2U3LP4-7B variant within the X2-DFN1006-3 package family and confirms compliance with RoHS 3 and Green material definitions - no functional or parametric meaning beyond part identification.
Can D20V0M2U3LP4-7B replace older TVS arrays like PESD5V0S1BA?
Yes, with verification: both are 2-channel unidirectional TVS diodes in DFN packages, but D20V0M2U3LP4-7B offers higher IPP (7 A vs. 4.5 A), lower capacitance (45 pF vs. 65 pF), and tighter VRWM (20 V vs. 5.0 V). Replacement requires confirming system-level ESD test pass with the new clamping profile and layout parasitics.
D20V0M2U3LP4-7B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- 3-XFDFN
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 2
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 20V (Max)
- Voltage - Breakdown (Min):
- 21V
- Voltage - Clamping (Max) @ Ipp:
- 43V
- Current - Peak Pulse (10/1000µs):
- 7A (8/20µs)
- Power - Peak Pulse:
- 300W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 45pF @ 1MHz (Max)
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- X2-DFN1006-3
D20V0M2U3LP4-7B FAQ
1.How can I place an order for D20V0M2U3LP4-7B through Aetrix?
Please submit a Request for Quotation (RFQ) for D20V0M2U3LP4-7B 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 D20V0M2U3LP4-7B reliable?
The price and inventory of D20V0M2U3LP4-7B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for D20V0M2U3LP4-7B is usually 5 days.
3.What payment methods are accepted for D20V0M2U3LP4-7B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D20V0M2U3LP4-7B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D20V0M2U3LP4-7B?
D20V0M2U3LP4-7B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D20V0M2U3LP4-7B 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 D20V0M2U3LP4-7B?
For technical support, including D20V0M2U3LP4-7B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D20V0M2U3LP4-7B requirements.
6.How does Aetrix verify that D20V0M2U3LP4-7B is sourced from the original manufacturer or authorized distributors?
All D20V0M2U3LP4-7B 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 D20V0M2U3LP4-7B meets industry standards.
7.What is the process for return or replacement of D20V0M2U3LP4-7B?
All D20V0M2U3LP4-7B units undergo pre-shipment inspection (PSI). If there is an issue with D20V0M2U3LP4-7B, 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 D20V0M2U3LP4-7B part is unused and in its original packaging.
Return procedure for D20V0M2U3LP4-7B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D20V0M2U3LP4-7B 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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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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