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onsemi ESD5481MUT5G
- Part No.:
- ESD5481MUT5G
- Manufacturer:
- onsemi
- Category:
- TVS Diodes
- Package:
- 0201 (0603 Metric)
- Datasheet:
-
ESD5481MUT5G.pdf
- Description:
- TVS DIODE 5VWM 12.4VC 2X3DFN
- Quantity:
- Payment:
- Shipping:
Inventory:109,583
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Product details
Overview
ESD5481MUT5G from onsemi is a bidirectional ESD protection diode designed for I/O line protection in portable electronics. It delivers 15 pF junction capacitance, 5.0 V stand-off voltage, clamping voltage ≤23 V at ±16 A TLP, <1 ns response time, and IEC61000-4-2 Level 4 (±20 kV contact/air) compliance - enabling robust signal integrity in space-constrained USB, audio, and camera interfaces.
For engineers reviewing the ESD5481MUT5G datasheet, pinout, applications, or equivalent options, key selection criteria include low-capacitance I/O protection, micro-size X3DFN2 package compatibility with high-density PCB layouts, verified clamping performance under IEC61000-4-2/4-4 stress, and RoHS-compliant Pb-free construction.
Technical Context
The ESD5481MUT5G is a two-terminal, bidirectional TVS diode configured as a symmetric clamp between I/O lines. Its silicon avalanche structure provides sub-1 ns turn-on latency and dynamic resistance of 0.28–0.49 Ω, ensuring rapid voltage suppression during ESD transients while minimizing signal distortion on high-speed data paths.
It operates within −55 °C to +150 °C junction temperature range and meets MSL 1 reflow requirements (260 °C peak, 10 s). The device sustains 2.0 A peak pulse current per IEC61000-4-5 (8/20 µs), with clamping validated at ±16 A TLP and ±8 kV IEC61000-4-2 contact discharge.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Junction Capacitance | 12–15 pF @ 0 V, 1 MHz - preserves signal integrity on USB 2.0 and audio lines without bandwidth degradation. |
| Stand-off Voltage | 5.0 V - matches standard 3.3 V and 5 V I/O rail operating margins with safe margin before conduction. |
| Clamping Voltage | ≤23 V @ +16 A TLP / ≤−13 V @ −16 A TLP - limits transient overvoltage to levels survivable by downstream logic inputs. |
| ESD Rating | ±20 kV contact & air (IEC61000-4-2 Level 4) - exceeds industrial and consumer immunity requirements. |
| Response Time | <1 ns - activates faster than typical IC input protection structures, diverting energy before internal damage occurs. |
| Package Size | 0.60 mm × 0.30 mm × 0.30 mm - enables placement directly at connector or IC pad with minimal PCB footprint. |
Pinout & Package
ESD5481MUT5G uses the X3DFN2 (Case 152AF) surface-mount package: ultra-compact 2-pin, no-lead design with bottom-side thermal pad (unconnected), 0.35 mm pitch, and MSL 1 rating. Mounting position is unrestricted.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode (bidirectional) | Shared terminal for symmetrical clamping - connects to protected I/O line; no polarity assignment required. |
| Pin 2 | Cathode (bidirectional) | Shared terminal for symmetrical clamping - connects to adjacent I/O line or ground reference; enables differential or common-mode protection. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional Clamping | Enables single-device protection of differential pairs (e.g., USB D+/D−) or I/O-to-ground without polarity constraints. |
| 15 pF Max Capacitance | Minimizes insertion loss and timing skew on 480 Mbps USB 2.0 and 24 MHz audio clock lines. |
| 0.28–0.49 Ω Dynamic Resistance | Reduces clamping voltage overshoot under high-current ESD pulses, improving protection margin for 1.8 V/3.3 V logic. |
| MSL 1 Reflow Compatibility | Supports standard lead-free reflow profiles (260 °C peak) without preconditioning or special handling. |
Applications
| USB 2.0 Interface Protection | Smartphone Audio Jack ESD Guard |
|---|---|
Use Scenario: Protecting D+ and D− lines of USB 2.0 ports against repeated ESD events during cable insertion/removal. IC Role / Device Role: Bidirectional voltage clamp placed between differential pair and host controller PHY. Use Value: 15 pF capacitance avoids signal rise-time degradation; ±20 kV IEC61000-4-2 rating ensures compliance with USB-IF ESD test plans. |
Use Scenario: Shielding 3.5 mm audio jack contacts (left/right/ground) from user-hand ESD in handheld devices. IC Role / Device Role: Low-capacitance shunt protector mounted at jack footprint to suppress transients before reaching codec inputs. Use Value: 0.60 mm × 0.30 mm size fits within jack keep-out zone; 5.0 V stand-off prevents leakage into 3.3 V audio bias rails. |
| Digital Camera Sensor Interface | Portable MP3 Player Button Lines |
Use Scenario: Safeguarding MIPI CSI-2 data lanes between image sensor and processor in compact camera modules. IC Role / Device Role: Differential ESD clamp on high-speed serial data pairs, placed adjacent to connector. Use Value: Sub-1 ns response captures fast-rising ESD edges before propagation; 23 V clamping protects 1.2 V LVDS receiver inputs. |
Use Scenario: Protecting mechanical button debounced inputs (volume/power) exposed to user touch in sealed enclosures. IC Role / Device Role: Common-mode clamp between button trace and system ground, leveraging low leakage (<1.0 µA). Use Value: 1.0 µA max reverse leakage avoids false triggering of weak-pull-up circuits; RoHS/Pb-free compliance supports global CE marking. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD2E001DRYR | Unidirectional, 12 pF, 5.5 V stand-off, 12 V clamping @ 1 A (IEC61000-4-2) | Requires separate devices per I/O line; better suited for single-ended 5 V logic rails with tighter clamping needs. | Select when unidirectional protection and lower clamping at low current are prioritized over board space. |
| ESD9X5.0ST5G | Bidirectional, 25 pF, 5.0 V stand-off, 17 V clamping @ 1 A (IEC61000-4-2), SOD-923 package (1.0 mm × 0.6 mm) | Larger footprint and higher capacitance limit use on >100 Mbps interfaces; higher surge current rating (4 A). | Choose when higher IEC61000-4-5 surge tolerance is needed and PCB area permits larger package. |
Compared with TPD2E001DRYR and ESD9X5.0ST5G, the ESD5481MUT5G offers the smallest footprint (0.60 × 0.30 mm) and lowest capacitance among bidirectional alternatives, making it optimal for ultra-dense portable designs where signal fidelity and board real estate are critical constraints.
Availability
ESD5481MUT5G is available at Aetrix Electronics and suitable for USB 2.0 interface protection, smartphone audio jack guarding, and digital camera sensor interface applications requiring stable component supply and consistent parametric performance across production lots.
Supply support for ESD5481MUT5G 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 specializing in energy-efficient power management, analog, sensors, and protection solutions for automotive, industrial, and portable electronics.
The ESD5481MUT5G belongs to onsemi's Micro-Packaged ESD Protection Diode family, engineered specifically for high-density portable devices where minimal capacitance, ultra-small footprint, and certified IEC-level ESD immunity are mandatory.
FAQ
What is the maximum junction temperature rating for ESD5481MUT5G?
The ESD5481MUT5G has a specified junction and storage temperature range of −55 °C to +150 °C. This wide operating envelope allows reliable deployment in consumer handhelds subject to ambient extremes and internal self-heating during sustained ESD events. Thermal resistance (RJA) is 400 °C/W on FR-5 board, confirming suitability for low-power, non-heat-sinked layouts typical of mobile PCBs.
Does ESD5481MUT5G require external biasing or control signals?
No, the ESD5481MUT5G is a passive, two-terminal device with no external bias or enable requirements. It functions solely as a voltage-triggered clamp: conducting only during overvoltage transients above its breakdown threshold (~5.7–8.0 V), remaining fully transparent to normal 3.3 V or 5 V I/O signaling. Its zero-quiescent-power operation eliminates design overhead for power routing or sequencing.
How does ESD5481MUT5G achieve IEC61000-4-4 EFT Level 4 compliance?
The ESD5481MUT5G achieves IEC61000-4-4 Level 4 (40 A, 5/50 ns) compliance through low dynamic resistance (0.28–0.49 Ω) and fast avalanche response (<1 ns), which collectively limit voltage overshoot during repetitive fast transients. Its 2.0 A peak pulse rating per IEC61000-4-5 and verified clamping behavior under TLP stress confirm robustness against burst-induced failures common in industrial power-line environments.
Can ESD5481MUT5G be used for HDMI or USB 3.0 protection?
No - the ESD5481MUT5G's 12–15 pF capacitance exceeds recommended limits for HDMI (typically ≤0.5 pF) and USB 3.0 SuperSpeed (≤1.0 pF) differential lanes. It is qualified for USB 2.0 (480 Mbps), audio, camera sensor, and other sub-100 Mbps interfaces where higher capacitance is tolerable without violating eye diagram or jitter specifications.
What does the "MUT5G" suffix indicate in ESD5481MUT5G?
The "MUT5G" suffix denotes onsemi's packaging and environmental specification: "MU" = micro-packaged X3DFN2, "T5" = tape-and-reel packaging (10,000 units per reel), and "G" = Pb-free, RoHS-compliant construction. This full part number uniquely identifies the device's physical form, shipping configuration, and regulatory status - critical for procurement and manufacturing traceability.
ESD5481MUT5G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Package/Case:
- 0201 (0603 Metric)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 5V (Max)
- Voltage - Breakdown (Min):
- 5.7V
- Voltage - Clamping (Max) @ Ipp:
- 12.4V
- Current - Peak Pulse (10/1000µs):
- 2A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 12pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 2-X3DFN (0.6x0.3) (0201)
ESD5481MUT5G FAQ
1.How can I place an order for ESD5481MUT5G through Aetrix?
Please submit a Request for Quotation (RFQ) for ESD5481MUT5G 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 ESD5481MUT5G reliable?
The price and inventory of ESD5481MUT5G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ESD5481MUT5G is usually 5 days.
3.What payment methods are accepted for ESD5481MUT5G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ESD5481MUT5G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ESD5481MUT5G?
ESD5481MUT5G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ESD5481MUT5G 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 ESD5481MUT5G?
For technical support, including ESD5481MUT5G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ESD5481MUT5G requirements.
6.How does Aetrix verify that ESD5481MUT5G is sourced from the original manufacturer or authorized distributors?
All ESD5481MUT5G 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 ESD5481MUT5G meets industry standards.
7.What is the process for return or replacement of ESD5481MUT5G?
All ESD5481MUT5G units undergo pre-shipment inspection (PSI). If there is an issue with ESD5481MUT5G, 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 ESD5481MUT5G part is unused and in its original packaging.
Return procedure for ESD5481MUT5G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ESD5481MUT5G Tags
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ESD9B5.0ST5G
onsemi
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DESD3V3E1BL-7B
Diodes Incorporated
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ESD5Z3.3T1G
onsemi
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D5V0H1B2LP-7B
Diodes Incorporated
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D5V0P1B2LP-7B
Diodes Incorporated
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DESD5V0U1BA-7
Diodes Incorporated
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ESD5Z5.0T1G
onsemi
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DESD5V0U1BB-7
Diodes Incorporated
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D12V0L1B2LP-7B
Diodes Incorporated
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PESD2V0Y1BSFYL
Nexperia USA Inc.
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DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
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D5V0L1B2WS-7
Diodes Incorporated
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