onsemi SZMG2040MUTAG
- Part No.:
- SZMG2040MUTAG
- Manufacturer:
- onsemi
- Category:
- TVS Diodes
- Package:
- 18-UFDFN Exposed Pad
- Datasheet:
-
SZMG2040MUTAG.pdf
- Description:
- TVS DIODE 5VWM 10VC 18UDFN
- Quantity:
- Payment:

- Shipping:

Inventory:2,046
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Product details
Overview
SZMG2040MUTAG from onsemi is an ultra-low-capacitance ESD protection diode array designed for HDMI and DisplayPort TMDS differential data lines, featuring 0.35 pF typical I/O-to-GND capacitance, ±15 kV IEC 61000-4-2 contact/air ESD rating, and 5.0 V reverse working voltage - enabling signal integrity preservation in 3.4 Gb/s high-speed video interfaces.
For engineers reviewing the SZMG2040MUTAG datasheet, pinout, applications, or equivalent options, key selection criteria include I/O-to-GND clamping voltage under 10 V at 1 A, flow-through UDFN18 package layout compatibility with matched trace lengths, and AEC-Q101 qualification for automotive infotainment systems.
Technical Context
The SZMG2040MUTAG integrates 12 bidirectional ESD protection channels in a single flow-through routing configuration, where pins 1–11 and 13–17 serve as I/O terminals and pins 12, 14, 16, 18 plus internal center pads form a common GND plane. Its low-junction-capacitance structure minimizes signal distortion across TMDS pairs up to 3.4 Gb/s.
Clamping behavior is characterized using both IEC 61000-4-2 ±8 kV contact discharge and TLP testing (IPP = ±8 A/±16 A), delivering VC = 11.4 V (positive) and −4.6 V (negative) at rated surge currents - critical for protecting voltage-sensitive HDMI receiver inputs without back-drive current damage to VCC.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Capacitance (I/O to GND) | 0.35 pF typical - preserves HDMI 1.4 eye diagram integrity at 3.4 Gb/s |
| ESD Rating (IEC 61000-4-2) | ±15 kV contact & air - exceeds Level 4 requirement for system-level robustness |
| Reverse Working Voltage | 5.0 V - matches HDMI/DP supply rail and prevents leakage during normal operation |
| Clamping Voltage (1 A, 8×20 μs) | 10 V max - limits transient overvoltage below HDMI receiver absolute maximum ratings |
| Junction Temp Range | −55 °C to +125 °C - supports automotive cabin and industrial display environments |
| AEC-Q101 Qualified | Yes - validated for automotive infotainment and ADAS display subsystems |
| Package | UDFN18 (5.5 × 1.5 mm, 0.5/0.75 mm pitch) - enables compact, impedance-controlled PCB layout |
Pinout & Package
UDFN18 package (Case 517CP) with 18 terminals: 12 I/O pins (pins 1–11, 13–17), 4 dedicated GND pins (12, 14, 16, 18), and internal center GND pads. Flow-through routing allows straight-line PCB trace placement for differential TMDS pairs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pins 1–11, 13–17 | I/O (bidirectional ESD path) | Each protects one TMDS data or clock line; symmetric clamping for AC-coupled differential signals |
| Pins 12, 14, 16, 18 | Ground (common GND) | Internally shorted to center thermal pad; ≥1 connection required for full device functionality |
| Center Exposed Pad | Thermal & Electrical GND | Enhances heat dissipation and low-inductance grounding for ESD current return path |
Key Features
| Feature | Design Value |
|---|---|
| Flow-through routing architecture | Enables direct in-line placement on TMDS traces without stubs or bends - maintains 100 Ω differential impedance |
| Ultra-low inter-pin capacitance variation | 0.02 pF max difference between I/O pins - ensures <0.1 UI timing skew across all channels |
| VCC line back-drive protection | Prevents unintended power injection into source-side VCC during hot-plug events in HDMI/DP systems |
| Pb-free & RoHS-compliant construction | Meets automotive ELV and industrial WEEE compliance requirements without solderability compromise |
| UL 94 V-0 flammability rating | Validated flame resistance for enclosed display enclosures and automotive dashboards |
Applications
| HDMI 1.4 Transmitter Protection | DisplayPort 1.2a Source Interface |
|---|---|
Use Scenario: Protecting TMDS channel outputs of HDMI 1.4 source ICs (e.g., GPU, SoC) in set-top boxes and media players. IC Role / Device Role / Timing Role: Bidirectional ESD clamp placed immediately after connector, before series AC coupling capacitors. Use Value: Maintains 3.4 Gb/s eye opening per Figure 12 while surviving ±8 kV contact discharge per IEC 61000-4-2. | Use Scenario: Shielding DP++ adapter circuits converting DisplayPort signals to HDMI-compatible TMDS lanes. IC Role / Device Role / Timing Role: Signal-line protector on dual-mode DP source ports supporting HDMI fallback mode. Use Value: Prevents latch-up in level-shifting buffers during ESD events without degrading 5.4 Gbps DP1.2a jitter budget. |
| Automotive Infotainment Head Unit | Industrial Digital Signage Controller |
Use Scenario: HDMI output protection in AEC-Q101-compliant head units exposed to harsh vehicle ESD environments. IC Role / Device Role / Timing Role: Front-end ESD guard on HDMI Type-A receptacle mounted on dashboard PCB. Use Value: Delivers guaranteed operation from −40 °C to +105 °C junction temperature with no signal attenuation above 1 GHz. | Use Scenario: Securing long-run HDMI outputs from industrial controllers driving remote displays over extended cables. IC Role / Device Role / Timing Role: High-reliability ESD barrier on controller board output headers prior to cable assembly. Use Value: Enables >100,000 mating cycles with stable clamping performance and zero capacitance drift over lifetime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NUP4202MR6T1G | 4-channel, 0.5 pF typical capacitance, SOT-563 package - higher capacitance, fewer channels | Limited to dual-lane interfaces; not suitable for full HDMI 1.4 (4-lane + clock) protection | Select when space-constrained layouts require discrete 2-channel protection per TMDS pair |
| TPD1E10B06DPYR | Single-channel, 0.6 pF, X2SON package - higher capacitance, lower ESD rating (±12 kV) | Requires 12 separate placements vs. single-flow-through UDFN18 - increases layout complexity and impedance mismatch risk | Choose only if legacy design uses individual channel placement and cannot accommodate 18-pin UDFN footprint |
Compared with NUP4202MR6T1G and TPD1E10B06DPYR, SZMG2040MUTAG provides integrated 12-channel protection with lowest capacitance (0.35 pF), flow-through routing, and AEC-Q101 qualification - making it uniquely suited for automotive and high-density HDMI/DP interface designs where signal fidelity and layout simplicity are critical.
Availability
SZMG2040MUTAG is available at Aetrix Electronics and suitable for HDMI 1.4 transmitter protection, DisplayPort 1.2a source interface hardening, and automotive infotainment head unit designs requiring stable component supply across extended temperature ranges and high-volume production cycles.
Supply support for SZMG2040MUTAG 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 is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.
SZMG2040MUTAG belongs to onsemi's ESD Protection Diodes product line, engineered specifically for high-speed serial interfaces including HDMI, DisplayPort, USB 3.x, and MIPI - prioritizing ultra-low capacitance and precise clamping to preserve signal integrity.
FAQ
What is the primary function of the SZMG2040MUTAG in HDMI and DisplayPort systems?
The SZMG2040MUTAG serves as a bidirectional ESD protection array for TMDS differential data and clock lines in HDMI and DisplayPort interfaces. It clamps transient voltages during electrostatic discharge events while maintaining ultra-low capacitance (0.35 pF typical) to avoid signal degradation. The SZMG2040MUTAG is specifically designed to protect voltage-sensitive receivers without introducing timing skew or insertion loss beyond specification limits.
Does the SZMG2040MUTAG support automotive-grade reliability requirements?
Yes, the SZMG2040MUTAG is AEC-Q101 qualified and PPAP capable, with operating junction temperature range from −55 °C to +125 °C and UL 94 V-0 flammability rating. Its SZ prefix denotes automotive-specific site and control change requirements, and the device has been validated for use in infotainment head units, digital instrument clusters, and ADAS display subsystems where ESD robustness and thermal stability are mission-critical.
How does the flow-through package of the SZMG2040MUTAG benefit high-speed PCB layout?
The UDFN18 flow-through routing of the SZMG2040MUTAG allows TMDS differential pairs to pass straight through the device with minimal trace discontinuity - preserving controlled 100 Ω differential impedance and reducing stub-induced reflections. This eliminates the need for vias or serpentine compensation, directly supporting HDMI 1.4 eye diagram compliance at 3.4 Gb/s as verified in Figure 12 of the official datasheet.
What is the significance of the 0.35 pF typical capacitance value for the SZMG2040MUTAG?
The 0.35 pF typical I/O-to-GND capacitance of the SZMG2040MUTAG ensures minimal loading on high-speed TMDS lines, preventing excessive rise/fall time degradation and jitter accumulation. At 3.4 Gb/s (HDMI 1.4), this capacitance contributes less than 0.1 UI timing skew across channels, directly enabling compliance with HDMI electrical specifications and maintaining signal integrity measured in Figure 13 insertion loss plots.
Can the SZMG2040MUTAG be used to protect both data and clock lines in a full HDMI 1.4 interface?
Yes, the SZMG2040MUTAG provides 12 independent I/O channels - sufficient to protect all four TMDS data lanes (3 channels each) plus the TMDS clock lane (1 channel), matching the full HDMI 1.4 interface requirement. Pin configuration in Figure 2 confirms dedicated I/O terminals for each protected line, with shared GND connections ensuring consistent clamping behavior across all channels.
SZMG2040MUTAG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Package/Case:
- 18-UFDFN Exposed Pad
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 14
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5V (Max)
- Voltage - Breakdown (Min):
- 5.5V
- Voltage - Clamping (Max) @ Ipp:
- 10V
- Current - Peak Pulse (10/1000µs):
- -
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- HDMI
- Capacitance @ Frequency:
- 0.35pF @ 1MHz
- Operating Temperature:
- -55°C ~ 125°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 18-UDFN (5.5x1.5)
SZMG2040MUTAG FAQ
1.How can I place an order for SZMG2040MUTAG through Aetrix?
Please submit a Request for Quotation (RFQ) for SZMG2040MUTAG 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 SZMG2040MUTAG reliable?
The price and inventory of SZMG2040MUTAG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SZMG2040MUTAG is usually 5 days.
3.What payment methods are accepted for SZMG2040MUTAG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SZMG2040MUTAG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SZMG2040MUTAG?
SZMG2040MUTAG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SZMG2040MUTAG 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 SZMG2040MUTAG?
For technical support, including SZMG2040MUTAG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SZMG2040MUTAG requirements.
6.How does Aetrix verify that SZMG2040MUTAG is sourced from the original manufacturer or authorized distributors?
All SZMG2040MUTAG 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 SZMG2040MUTAG meets industry standards.
7.What is the process for return or replacement of SZMG2040MUTAG?
All SZMG2040MUTAG units undergo pre-shipment inspection (PSI). If there is an issue with SZMG2040MUTAG, 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 SZMG2040MUTAG part is unused and in its original packaging.
Return procedure for SZMG2040MUTAG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SZMG2040MUTAG 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

-
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

-
D12V0L1B2LP-7B
Diodes Incorporated

-
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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