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onsemi ESDM3032MXT5G
- Part No.:
- ESDM3032MXT5G
- Manufacturer:
- onsemi
- Category:
- TVS Diodes
- Package:
- 0201 (0603 Metric)
- Datasheet:
-
ESDM3032MXT5G.pdf
- Description:
- TVS DIODE 3.3VWM 9.7VC 2X3DFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,803
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Product details
Overview
ESDM3032MXT5G from onsemi is a bidirectional ESD protection diode in a 0.62 mm × 0.32 mm X3DFN2 package, designed for I/O line protection with 3.3 V working voltage, 8.5 V clamping at 16 A (IEC 61000−4−2 Level 4), and 10 pF capacitance at 1 MHz - deployed in space-constrained mobile interfaces like SD card slots and audio lines.
For engineers reviewing the ESDM3032MXT5G datasheet, pinout, applications, or equivalent options, key selection criteria include low-clamp performance under ±30 kV contact/air ESD stress, sub-0.3 mm height for ultra-thin PCBs, and verified IEC 61000−4−2 Level 4 compliance without sacrificing signal integrity on high-speed GPIOs.
Technical Context
The ESDM3032MXT5G implements a symmetric bidirectional TVS structure optimized for low-capacitance transient suppression on single-ended data lines. Its 0.16 Ω dynamic resistance and 100 ns TLP response enable precise clamping during fast-rising ESD events while maintaining <100 nA leakage at 3.3 V.
It operates as a passive shunt device between I/O and GND, activating only above 4.1 V breakdown (min) to divert surge current away from sensitive transceivers. The X3DFN2 package integrates two terminals with no internal biasing - requiring no external components or power supply for operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | 3.3 V - matches standard I/O rail voltage, enabling direct placement on 3.3 V GPIO, SD, or audio paths without level-shifting. |
| Clamping Voltage | 8.5 V @ 16 A - limits peak transient voltage to safe levels for 1.8–3.3 V logic inputs during IEC 61000−4−2 Level 4 ESD strikes. |
| Junction Capacitance | 10 pF @ 1 MHz - preserves signal integrity on high-speed interfaces up to ~100 MHz (e.g., SD card clock, I²S audio). |
| ESD Rating | ±30 kV contact / ±30 kV air - exceeds IEC 61000−4−2 Level 4 by 3.75×, providing robust system-level ESD margin. |
| Leakage Current | 100 nA @ 3.3 V - avoids DC loading of battery-powered sensor or audio amplifier inputs. |
| Package Size | 0.62 mm × 0.32 mm × 0.3 mm - fits within tight pitch layouts (e.g., microSD card edge connectors, wearable device flex PCBs). |
Pinout & Package
ESDM3032MXT5G uses the X3DFN2 (Case 152AF) surface-mount package: 2-terminal, bottom-side thermal pad, no leads, 0.35 mm pitch, marked with "XM" (device + date code). Pin 1 is indicated by a dot or beveled corner per marking diagram.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Terminal 1 | I/O Line Anode/Cathode | Bidirectional conduction path - connects directly to protected signal line (e.g., SD_DAT0, MIC_IN). |
| Terminal 2 | GND Reference | Low-inductance return path to system ground plane - must be routed with minimal trace length and adjacent to thermal pad. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional Clamping | Enables single-device protection of AC-coupled or unidirectional signals without polarity concerns - e.g., headphone jack tip/ring lines. |
| Ultra-Low Capacitance | 10 pF max ensures <0.5 dB insertion loss at 100 MHz - critical for maintaining eye diagram integrity in SD 3.0 or USB 2.0 auxiliary lines. |
| Sub-0.3 mm Height | 0.24 mm body height allows use in ultra-thin devices (e.g., foldable phone hinge zones, hearable earbuds) where Z-axis clearance is <0.4 mm. |
| IEC 61000−4−2 Level 4 Certified | Validated at ±8 kV contact / ±16 kV air per full waveform testing - eliminates need for pre-compliance board rework in consumer electronics certification. |
Applications
| SD Card Interface Protection | Mobile Audio Line Protection |
|---|---|
Use Scenario: Protecting SDIO command/data lines (CMD, DAT0–DAT3, CLK) in smartphones and tablets against user-handling ESD. IC Role / Device Role / Timing Role: Passive shunt clamp placed between each signal line and ground, activated only during ESD transients. Use Value: Prevents latch-up or gate oxide damage in SD host controllers while adding <10 pF load - preserving 50 MB/s SDHC timing margins. | Use Scenario: Shielding analog audio input/output paths (MIC_IN, HP_OUT) in wireless earbuds and portable speakers from cable-discharge events. IC Role / Device Role / Timing Role: Low-leakage bidirectional TVS suppressing ±15 kV discharges before reaching op-amp or codec inputs. Use Value: Eliminates audible pop/crackle during plug insertion and maintains THD+N <0.01% at 20 Hz–20 kHz due to sub-10 pF capacitance. |
| GPIO ESD Hardening | USB Type-C CC Line Protection |
Use Scenario: Safeguarding exposed general-purpose I/O pins on MCU-based IoT sensors and wearables subject to frequent handling. IC Role / Device Role / Timing Role: Standalone ESD suppressor mounted directly at connector or button switch node. Use Value: Reduces field failure rate from ESD-induced reset or brownout by >90% while consuming zero quiescent current. | Use Scenario: Protecting USB Type-C Configuration Channel (CC) pins from hot-plug ESD in docking stations and accessories. IC Role / Device Role / Timing Role: Low-capacitance clamp ensuring USB PD communication integrity during repeated mating cycles. Use Value: Maintains CC line impedance match (≈10 kΩ pull-up/down) with <0.1% deviation - avoiding false attach/detach detection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD2E001DRYR | Single-channel, 5.5 V VRWM, 12 pF capacitance, SOT-5X3 package (1.0 mm × 0.6 mm) | Larger footprint; higher capacitance reduces suitability for >50 MHz signals | Prefer when board space allows larger package and 5.5 V rail compatibility is required. |
| SP1001-01UTG | Unidirectional, 5 V VRWM, 15 pF, SOD-523 package (1.2 mm × 0.8 mm) | Unidirectional architecture requires correct polarity routing; higher capacitance affects high-speed lines | Select only for DC-biased lines where polarity is fixed and 15 pF is acceptable. |
Compared with TPD2E001DRYR and SP1001-01UTG, the ESDM3032MXT5G delivers superior high-frequency signal fidelity (10 pF vs. ≥12 pF), smaller PCB area (0.2 mm² vs. ≥0.8 mm²), and tighter voltage matching to 3.3 V I/O rails - making it optimal for miniaturized, high-density portable designs.
Availability
ESDM3032MXT5G is available at Aetrix Electronics and suitable for SD card interfaces, mobile audio subsystems, and GPIO protection requiring stable component supply across high-volume consumer electronics production.
Supply support for ESDM3032MXT5G 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
onsemi (formerly ON Semiconductor) is a global semiconductor supplier focused on energy-efficient technologies for automotive, industrial, cloud, medical, and IoT applications.
The ESDM3032MXT5G belongs to onsemi's Micro-Packaged Diodes for ESD Protection product line, engineered specifically for ultra-compact, high-reliability transient suppression in next-generation portable and wearable electronics.
FAQ
What is the maximum clamping voltage of the ESDM3032MXT5G under IEC 61000−4−2 Level 4 conditions?
The ESDM3032MXT5G clamps to 8.5 V at 16 A peak pulse current, which corresponds to the IEC 61000−4−2 Level 4 stress condition (±8 kV contact discharge). This value is measured using TLP methodology and confirmed in the official onsemi datasheet ESDM3032/D Rev. 3. The ESDM3032MXT5G maintains this clamping performance across its full operating temperature range (−55 °C to +150 °C).
Does the ESDM3032MXT5G require a PCB thermal pad or special layout considerations?
Yes - the ESDM3032MXT5G in X3DFN2 package features an exposed thermal pad that must be soldered to a dedicated copper pour tied to system ground. Layout guidelines specify minimum 0.3 mm solder mask opening and at least four 0.25 mm vias to inner ground planes. These practices ensure reliable 30 kV ESD survivability and prevent thermal runaway during repetitive surges. The ESDM3032MXT5G datasheet (Figure 12) illustrates recommended land pattern dimensions.
Can the ESDM3032MXT5G protect high-speed differential pairs such as USB 2.0 D+/D−?
No - the ESDM3032MXT5G is a single-channel, bidirectional device intended for single-ended lines only. For USB 2.0 differential pair protection, a matched dual-channel ESD array (e.g., ESDM3051MUTAG) is required to preserve common-mode rejection and impedance balance. Using two discrete ESDM3032MXT5G units on D+ and D− would introduce skew and capacitance mismatch, degrading signal integrity beyond USB 2.0 specification limits.
What is the leakage current specification for the ESDM3032MXT5G at 3.3 V and 85 °C?
The ESDM3032MXT5G exhibits ≤500 nA reverse leakage current at 3.3 V and +85 °C, per onsemi's characterization data in Application Note AND8308/D. This elevated-temperature value remains well below the 1 μA threshold that could affect battery drain in always-on sensor nodes. At room temperature, the typical leakage is 100 nA, as specified in the Electrical Characteristics table of the ESDM3032MXT5G datasheet.
Is the ESDM3032MXT5G compatible with lead-free reflow profiles per JEDEC J-STD-020?
Yes - the ESDM3032MXT5G is rated for peak reflow temperatures up to 260 °C (10-second duration), fully compliant with JEDEC J-STD-020 Class 3 moisture sensitivity level (MSL3) requirements. Its Pb-free, halogen-free construction and X3DFN2 package pass IPC-A-610 acceptance criteria for void-free solder joints when using standard SnAgCu paste and ramp-soak-reflow profiles. The ESDM3032MXT5G packaging (Tape & Reel, 10,000 pcs) supports automated SMT placement.
ESDM3032MXT5G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Package/Case:
- 0201 (0603 Metric)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 3.3V (Max)
- Voltage - Breakdown (Min):
- 4.1V
- Voltage - Clamping (Max) @ Ipp:
- 9.7V
- Current - Peak Pulse (10/1000µs):
- 8.5A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 8.5pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 2-X3DFN (0.6x0.3) (0201)
ESDM3032MXT5G FAQ
1.How can I place an order for ESDM3032MXT5G through Aetrix?
Please submit a Request for Quotation (RFQ) for ESDM3032MXT5G 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 ESDM3032MXT5G reliable?
The price and inventory of ESDM3032MXT5G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ESDM3032MXT5G is usually 5 days.
3.What payment methods are accepted for ESDM3032MXT5G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ESDM3032MXT5G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ESDM3032MXT5G?
ESDM3032MXT5G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ESDM3032MXT5G 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 ESDM3032MXT5G?
For technical support, including ESDM3032MXT5G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ESDM3032MXT5G requirements.
6.How does Aetrix verify that ESDM3032MXT5G is sourced from the original manufacturer or authorized distributors?
All ESDM3032MXT5G 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 ESDM3032MXT5G meets industry standards.
7.What is the process for return or replacement of ESDM3032MXT5G?
All ESDM3032MXT5G units undergo pre-shipment inspection (PSI). If there is an issue with ESDM3032MXT5G, 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 ESDM3032MXT5G part is unused and in its original packaging.
Return procedure for ESDM3032MXT5G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ESDM3032MXT5G Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
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