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onsemi ESD8351P2T5G
- Part No.:
- ESD8351P2T5G
- Manufacturer:
- onsemi
- Category:
- TVS Diodes
- Package:
- SOD-923
- Datasheet:
-
ESD8351P2T5G.pdf
- Description:
- TVS DIODE 3.3VWM 11.2VC SOD923
- Quantity:
- Payment:
- Shipping:
Inventory:14,173
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Product details
Overview
ESD8351P2T5G from onsemi is a low-capacitance bidirectional ESD protection diode designed for high-speed data lines including USB 2.0 and eSATA interfaces. It delivers 0.55 pF max junction capacitance, ±15 kV IEC 61000−4−2 contact ESD protection, and 5.7 V clamping voltage at 5 A, enabling robust transient suppression without signal integrity degradation.
For engineers reviewing the ESD8351P2T5G datasheet, pinout, applications, or equivalent options, key selection criteria include ultra-low capacitance for high-frequency signal paths, AEC-Q101 qualification for automotive use, latch-up-free operation in USB 2.0/3.0 and DisplayPort, and SOD-923 package compatibility with space-constrained PCB layouts.
Technical Context
The ESD8351P2T5G employs a snap-back SCR-based structure optimized for fast turn-on and low clamping voltage during ESD transients. Its bidirectional configuration protects both I/O-to-GND paths with symmetrical breakdown (5.5–7.8 V) and holding voltage (1.15 V), ensuring stable operation under repetitive stress.
Designed specifically to avoid latch-up in USB 2.0 HS/FS, USB 3.0 SS, and DisplayPort, it meets IEC 61000−4−2 Level 4 (±15 kV air, ±8 kV contact) and ISO 10605 (±30 kV) while maintaining sub-0.6 pF capacitance at 1 MHz and 2.5 GHz - critical for preserving signal rise time and insertion loss.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Working Voltage | 3.3 V - sets maximum steady-state DC bias before leakage increases significantly; compatible with 3.3 V I/O rails. |
| Junction Capacitance | 0.55 pF max @ 1 MHz - ensures minimal loading on high-speed signals like USB 2.0 (480 Mbps) and eSATA (3 Gbps). |
| Clamping Voltage | 5.7 V @ 5 A (8/20 μs) - limits transient overvoltage to safe levels for downstream 3.3 V logic ICs. |
| ESD Rating | ±15 kV IEC 61000−4−2 contact - exceeds industrial and automotive immunity requirements without external circuitry. |
| Operating Temperature | −55 °C to +125 °C - supports extended temperature operation in automotive cabin and industrial control environments. |
| Dynamic Resistance | 0.44 Ω (Pin1→Pin2) - contributes directly to low clamping voltage via VC = VHOLD + (IPP × RDYN) relationship. |
Pinout & Package
SOD−923 package (Case 514AB), dimensions 0.80 mm × 0.60 mm × 0.37 mm, surface-mount, Pb-free, RoHS compliant. Polarized marking with cathode band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Cathode | Connected to system ground (GND); provides reference node for bidirectional ESD current shunting path. |
| Pin 2 | Anode | Connected to protected I/O line; conducts ESD current to ground during positive or negative transients. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional ESD Protection | Clamps both positive and negative transients symmetrically - eliminates need for dual-diode configurations in differential or single-ended I/O. |
| AEC-Q101 Qualified | Validated for automotive applications including infotainment and body electronics - includes PPAP documentation support. |
| Latch-Up Free Operation | Guaranteed safe use in USB 2.0 HS/FS, USB 3.0 SS, and DisplayPort per load-line analysis - avoids destructive latch-up in serial link receivers. |
| Ultra-Low Capacitance | 0.35 pF typical @ 2.5 GHz - preserves signal integrity up to multi-Gbps data rates without equalization overhead. |
| Low Clamping Voltage | 5.7 V @ 5 A - reduces stress on sensitive transceivers and PHYs, extending reliability in harsh ESD environments. |
Applications
| USB 2.0 Interface Protection | eSATA Data Line Protection |
|---|---|
|
Use Scenario: Protecting D+ and D− lines of USB 2.0 host/device ports against user-handling ESD events in consumer and industrial equipment. IC Role / Device Role / Timing Role: Bidirectional transient voltage suppressor placed directly at connector entry point, before series impedance or EMI filters. Use Value: Maintains 480 Mbps signaling integrity with <0.6 pF loading while surviving ±15 kV contact discharge per IEC 61000−4−2 Level 4. |
Use Scenario: Shielding eSATA TX/RX differential pairs from ESD during hot-plug connection in external storage enclosures and docking stations. IC Role / Device Role / Timing Role: Low-capacitance shunt protector mounted adjacent to connector, minimizing stub length to preserve 3 Gbps eye diagram. Use Value: Enables compliance with IEC 61000−4−2 Level 4 without degrading jitter or bit-error rate due to sub-0.4 pF typical capacitance at 2.5 GHz. |
| Automotive Infotainment USB Port | Industrial DisplayPort Interface |
|
Use Scenario: Securing USB 2.0 ports in vehicle head units and rear-seat entertainment systems exposed to dry-climate ESD. IC Role / Device Role / Timing Role: AEC-Q101 qualified ESD clamp integrated into front-end protection network with TVS and common-mode choke. Use Value: Delivers automotive-grade reliability across −40 °C to +105 °C ambient with no latch-up risk in USB 2.0 HS mode. |
Use Scenario: Safeguarding DisplayPort 1.2 source outputs in medical imaging displays and factory automation HMIs. IC Role / Device Role / Timing Role: High-speed data line protector placed between DP PHY and edge connector, meeting VESA ESD requirements. Use Value: Supports 5.4 Gbps per lane with <0.55 pF capacitance and verified latch-up immunity per Table 1 in datasheet. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ESD8004MUTAG | 0.3 pF max capacitance, 3.3 V VRWM, 5.5 V clamping @ 5 A, SOT-523 package (1.25 mm × 0.85 mm) | Smaller capacitance but larger footprint; rated for USB 2.0 LS/FS/HS and DisplayPort, not explicitly validated for eSATA | Select when lowest possible capacitance is prioritized and board area allows larger SOT-523 placement. |
| ESD8104MUTAG | 0.5 pF max capacitance, 5.0 V VRWM, 7.5 V clamping @ 5 A, SOD-923 package, HDMI-qualified | Higher clamping voltage and VRWM; designed specifically for HDMI 1.4 TMDS lanes with enhanced latch-up margin | Prefer for HDMI applications; avoid for 3.3 V USB/eSATA where lower clamping voltage is critical. |
Compared with ESD8351P2T5G, ESD8004MUTAG offers lower capacitance but requires more PCB area, while ESD8104MUTAG provides HDMI-specific latch-up immunity at the cost of higher clamping voltage - making ESD8351P2T5G optimal for balanced performance in USB 2.0, eSATA, and DisplayPort designs.
Availability
ESD8351P2T5G is available at Aetrix Electronics and suitable for USB 2.0 interface protection, automotive infotainment systems, and industrial DisplayPort applications requiring stable component supply and long-term lifecycle assurance.
Supply support for ESD8351P2T5G 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 delivering energy-efficient power, analog, sensor, and connectivity solutions for automotive, industrial, cloud, and consumer markets.
The ESD8351P2T5G belongs to onsemi's ESD8000 Series - a family of ultra-low-capacitance, SCR-based protection devices engineered specifically for latch-up-free operation in high-speed serial interfaces including USB, DisplayPort, and eSATA.
FAQ
What is the primary function of the ESD8351P2T5G?
The ESD8351P2T5G is a bidirectional ESD protection diode designed to safeguard high-speed data lines from electrostatic discharge events. It operates by clamping transient voltages to safe levels - such as 5.7 V at 5 A - while adding minimal capacitance (0.55 pF max) to preserve signal integrity. Its SCR-based snap-back structure enables fast response and low clamping, making ESD8351P2T5G ideal for USB 2.0, eSATA, and DisplayPort interfaces where both speed and robustness are required.
Is the ESD8351P2T5G suitable for automotive applications?
Yes, the ESD8351P2T5G is AEC-Q101 qualified and PPAP capable, with the SZ prefix variant (SZESD8351P2T5G) designated for automotive and other applications requiring strict process controls. It operates across −55 °C to +125 °C junction temperature and has been validated for latch-up-free performance in USB 2.0 HS/FS and DisplayPort - common in automotive infotainment and ADAS display interfaces. The ESD8351P2T5G meets IEC 61000−4−2 Level 4, supporting harsh vehicle ESD environments.
Does the ESD8351P2T5G support HDMI applications?
No, the ESD8351P2T5G is not recommended for HDMI 1.3a/1.4 TMDS applications due to latch-up risk under certain load-line conditions. The datasheet explicitly states that ESD8104 or ESD8040 should be used instead for HDMI. ESD8351P2T5G is validated for USB 2.0 LS/FS/HS, USB 3.0 SS, and DisplayPort - all confirmed latch-up free per Table 1. Using ESD8351P2T5G in HDMI may result in unstable operation after ESD events.
What package type does the ESD8351P2T5G use?
The ESD8351P2T5G uses the SOD−923 package (Case 514AB), measuring 0.80 mm × 0.60 mm × 0.37 mm with a 0.65 mm pitch. It features a polarized marking with cathode band (Pin 1), and is Pb-free and RoHS compliant. This ultra-compact two-terminal surface-mount package enables dense routing in space-constrained applications like mobile accessories and thin client displays - and is distinct from the X2DFN2 package used by the developmental ESD8351N2T5G variant.
How does the ESD8351P2T5G achieve low clamping voltage?
The ESD8351P2T5G achieves low clamping voltage through its SCR-based snap-back architecture, which combines a low holding voltage (1.15 V) and low dynamic resistance (0.44 Ω). Clamping voltage is calculated as VC = VHOLD + (IPP × RDYN), yielding 5.7 V at 5 A. This design ensures rapid turn-on during ESD transients while limiting peak voltage seen by downstream ICs - a critical feature for protecting 3.3 V logic in USB 2.0 and eSATA PHYs. The ESD8351P2T5G's clamping performance is verified using TLP testing per ANSI/ESD STM5.5.1.
ESD8351P2T5G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Package/Case:
- SOD-923
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 3.3V (Max)
- Voltage - Breakdown (Min):
- 5.5V
- Voltage - Clamping (Max) @ Ipp:
- 11.2V
- Current - Peak Pulse (10/1000µs):
- 5A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 0.37pF @ 1MHz
- Operating Temperature:
- -55°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-923
ESD8351P2T5G FAQ
1.How can I place an order for ESD8351P2T5G through Aetrix?
Please submit a Request for Quotation (RFQ) for ESD8351P2T5G 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 ESD8351P2T5G reliable?
The price and inventory of ESD8351P2T5G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ESD8351P2T5G is usually 5 days.
3.What payment methods are accepted for ESD8351P2T5G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ESD8351P2T5G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ESD8351P2T5G?
ESD8351P2T5G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ESD8351P2T5G 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 ESD8351P2T5G?
For technical support, including ESD8351P2T5G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ESD8351P2T5G requirements.
6.How does Aetrix verify that ESD8351P2T5G is sourced from the original manufacturer or authorized distributors?
All ESD8351P2T5G 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 ESD8351P2T5G meets industry standards.
7.What is the process for return or replacement of ESD8351P2T5G?
All ESD8351P2T5G units undergo pre-shipment inspection (PSI). If there is an issue with ESD8351P2T5G, 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 ESD8351P2T5G part is unused and in its original packaging.
Return procedure for ESD8351P2T5G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ESD8351P2T5G Tags
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ESD9B5.0ST5G
onsemi
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DESD3V3E1BL-7B
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ESD5Z3.3T1G
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D5V0H1B2LP-7B
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D5V0P1B2LP-7B
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DESD5V0U1BA-7
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ESD5Z5.0T1G
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DESD5V0U1BB-7
Diodes Incorporated
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D12V0L1B2LP-7B
Diodes Incorporated
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PESD2V0Y1BSFYL
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D5V0L1B2WS-7
Diodes Incorporated
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