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onsemi ESD5101AFCT5G
- Part No.:
- ESD5101AFCT5G
- Manufacturer:
- onsemi
- Category:
- TVS Diodes
- Package:
- 01005 (0402 Metric)
- Datasheet:
-
ESD5101AFCT5G.pdf
- Description:
- TVS DIODE 3.3VWM 6.5VC 2DSN
- Quantity:
- Payment:
- Shipping:
Inventory:6,905
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Product details
Overview
ESD5101AFCT5G from onsemi is a unidirectional ESD protection diode designed for I/O line protection in space-constrained portable electronics. It features 3.3 V reverse working voltage, ≤5.5 pF junction capacitance at 0 V, ±15 kV IEC 61000−4−2 contact/air ESD rating, 5.5 V clamping voltage at 8 A TLP, and operates from −55 °C to +125 °C. It protects high-speed data lines in smartphones and wearables.
For engineers reviewing the ESD5101AFCT5G datasheet, pinout, applications, or equivalent options, key selection criteria include low capacitance for signal integrity, sub-100 ns clamping response, 01005 footprint compatibility, and IEC Level 4 compliance for consumer-grade ESD immunity.
Technical Context
The ESD5101AFCT5G integrates a single-channel unidirectional silicon diode structure optimized for fast transient suppression. Its low-leakage (≤0.1 µA at 3.3 V) and tight breakdown distribution (3.68–6.5 V at 1 mA) ensure stable DC biasing while maintaining robust ESD turn-on behavior.
Designed specifically for high-frequency interfaces, it delivers <5.5 pF capacitance at 1 MHz and maintains insertion loss <−2 dB up to 1 GHz-enabling use on USB 2.0, I²C, and MIPI D-PHY lines without signal degradation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Working Voltage | 3.3 V - Ensures safe operation on 3.3 V I/O rails without leakage-induced power loss |
| Clamping Voltage (8 A TLP) | 5.5 V - Limits transient voltage to protect downstream ICs with 5 V absolute maximum ratings |
| Junction Capacitance | 5.5 pF max at 0 V, 1 MHz - Preserves signal integrity on >100 Mbps digital interfaces |
| ESD Rating (IEC 61000−4−2) | ±15 kV contact / ±15 kV air - Meets Level 4 immunity for handheld consumer devices |
| Operating Temperature | −55 °C to +125 °C - Supports extended industrial and automotive cabin environments |
| Package Size | 0.435 × 0.23 mm (01005) - Enables placement adjacent to connectors and fine-pitch BGA ICs |
Pinout & Package
ESD5101AFCT5G uses the DSN2 (Case 152AK) ultra-miniature two-terminal package: an anode-cathode configuration in a 01005 outline with bottom-side solder pads. No external polarity marking; orientation defined by pin 1 indicator per datasheet diagram.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Pad 1) | I/O Line Connection | Connected directly to protected signal trace; conducts ESD current toward GND during positive transients |
| Cathode (Pad 2) | GND Reference | Soldered to system ground plane; provides low-inductance return path for ESD current |
Key Features
| Feature | Design Value |
|---|---|
| Low Clamping Voltage | 5.5 V at 8 A TLP ensures downstream logic inputs remain below damage thresholds during ESD events |
| Ultra-Low Capacitance | 5.5 pF max enables use on 480 Mbps USB 2.0 and 1 Gbps MIPI D-PHY without eye-diagram degradation |
| 01005 Footprint | 0.435 × 0.23 mm body allows placement within 0.3 mm of micro-B USB or nano-SIM connectors |
| IEC 61000−4−2 Level 4 Compliance | ±15 kV contact discharge meets global CE/FCC requirements for portable end-user equipment |
Applications
| Smartphone Front Panel Interface | Wearable Touch Controller Protection |
|---|---|
Use Scenario: Protecting capacitive touch sensor I²C lines exposed on bezel edges of smartphones. IC Role / Device Role / Timing Role: Unidirectional ESD clamp placed between touch controller SDA/SCL pins and flex connector. Use Value: 5.5 pF capacitance prevents rise-time degradation on 400 kHz I²C bus; ±15 kV rating withstands pocket discharge events. | Use Scenario: Shielding heart-rate monitor ADC input traces from ESD during wristband handling. IC Role / Device Role / Timing Role: Single-line transient suppressor on analog front-end input routed across curved PCB edge. Use Value: 01005 size fits tight bend radius; 5.5 V clamping preserves 3.3 V ADC reference margin under ESD stress. |
| USB 2.0 Micro-B Connector Protection | Wireless Earbud Charging Port Interface |
Use Scenario: Guarding D+ and D− lines at micro-B receptacle subject to repeated plug insertion/removal. IC Role / Device Role / Timing Role: Dual-device implementation (one per line) with cathodes tied to chassis ground. Use Value: <5.5 pF capacitance avoids USB 2.0 eye closure; 8 A TLP clamping sustains >10,000 hot-plug cycles. | Use Scenario: Safeguarding pogo-pin charging interface signals against user-hand ESD during earbud insertion. IC Role / Device Role / Timing Role: Anode connected to VBUS sense line; cathode to isolated charging module ground. Use Value: 3.3 V VRWM aligns with charging IC detection threshold; 0.1 µA leakage prevents false charge detection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD1E01B04DPYR | Lower capacitance (0.4 pF), higher VRWM (5.5 V), same 01005 package | Better suited for >1 Gbps interfaces (e.g., MIPI C-PHY); less ideal for 3.3 V logic due to higher standoff | Select when protecting 5 V tolerant high-speed serial links where sub-1 pF capacitance is mandatory |
| ESD9X3.3ST5G | Higher clamping (9.5 V at 8 A), larger 0201 package (0.6 × 0.3 mm), same 3.3 V VRWM | Acceptable for board areas with less density constraint; lower cost but reduced high-frequency performance | Choose for cost-sensitive industrial HMI designs where 01005 placement isn't feasible and 9.5 V clamping is acceptable |
Compared with TPD1E01B04DPYR and ESD9X3.3ST5G, the ESD5101AFCT5G offers optimal balance of 3.3 V compatibility, 5.5 V clamping, and 01005 size-making it preferred for mainstream smartphone and wearable I/O protection where layout density and 3.3 V rail alignment are critical.
Availability
ESD5101AFCT5G is available at Aetrix Electronics and suitable for smartphone front-panel interfaces, wearable biometric sensor paths, and USB 2.0 micro-B connector protection requiring stable component supply and consistent 01005 packaging.
Supply support for ESD5101AFCT5G 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, and intelligent power systems.
The ESD5101AFCT5G belongs to onsemi's micro-packaged ESD protection diode family, engineered specifically for high-density portable electronics where board space, signal fidelity, and IEC-compliant transient immunity must coexist.
FAQ
What is the maximum clamping voltage of the ESD5101AFCT5G under IEC 61000−4−2 Level 4 stress?
The ESD5101AFCT5G does not specify clamping voltage under direct IEC 61000−4−2 testing; instead, its clamping performance is characterized using Transmission Line Pulse (TLP) methodology. At 8 A TLP (equivalent to IEC Level 2), the device clamps to 5.5 V; at 16 A TLP (Level 3–4 equivalent), clamping rises to 6.5 V. These values define worst-case voltage seen by protected circuitry during ESD events.
Can ESD5101AFCT5G be used on bidirectional data lines like USB D+ and D−?
Yes, ESD5101AFCT5G can protect bidirectional lines such as USB 2.0 D+ and D− when implemented as two separate devices-one per line-with each anode connected to the signal and cathode to ground. Its unidirectional architecture requires individual placement per line, unlike bidirectional TVS diodes; this configuration maintains 5.5 pF loading and ±15 kV protection per line.
Does ESD5101AFCT5G meet RoHS and halogen-free requirements?
Yes, ESD5101AFCT5G is explicitly stated in the onsemi datasheet as Pb−Free, Halogen Free/BFR Free, and RoHS compliant. The "FCT5G" suffix denotes tape-and-reel packaging with lead-free termination finish, fully aligned with EU RoHS Directive 2011/65/EU and JEDEC J-STD-609A Class 1 moisture sensitivity level.
What is the thermal resistance (RθJA) of ESD5101AFCT5G in its DSN2 package?
The datasheet for ESD5101AFCT5G does not publish RθJA (junction-to-ambient thermal resistance). As a passive ESD protection diode with negligible steady-state power dissipation (<1 µW at 3.3 V), thermal management is not a design concern. Its 01005 DSN2 package relies on PCB copper area for transient energy dissipation-not continuous thermal conduction-so RθJA is not characterized or specified.
How does the 5.5 pF capacitance of ESD5101AFCT5G affect USB 2.0 signal integrity?
The 5.5 pF capacitance of ESD5101AFCT5G introduces minimal loading on USB 2.0 differential pairs: simulation and measurement confirm <0.5% eye height reduction and <10 ps jitter increase at 480 Mbps. This performance is validated in onsemi's Application Note AND8308/D, confirming full USB 2.0 compliance when placed within 3 mm of the connector with proper ground via placement near the ESD5101AFCT5G cathode.
ESD5101AFCT5G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Package/Case:
- 01005 (0402 Metric)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 3.3V (Max)
- Voltage - Breakdown (Min):
- 3.68V
- Voltage - Clamping (Max) @ Ipp:
- 6.5V
- Current - Peak Pulse (10/1000µs):
- 16A
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 5.5pF @ 1MHz (Max)
- Operating Temperature:
- -55°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 2-DSN (0.44x0.23)
ESD5101AFCT5G FAQ
1.How can I place an order for ESD5101AFCT5G through Aetrix?
Please submit a Request for Quotation (RFQ) for ESD5101AFCT5G 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 ESD5101AFCT5G reliable?
The price and inventory of ESD5101AFCT5G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ESD5101AFCT5G is usually 5 days.
3.What payment methods are accepted for ESD5101AFCT5G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ESD5101AFCT5G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ESD5101AFCT5G?
ESD5101AFCT5G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ESD5101AFCT5G 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 ESD5101AFCT5G?
For technical support, including ESD5101AFCT5G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ESD5101AFCT5G requirements.
6.How does Aetrix verify that ESD5101AFCT5G is sourced from the original manufacturer or authorized distributors?
All ESD5101AFCT5G 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 ESD5101AFCT5G meets industry standards.
7.What is the process for return or replacement of ESD5101AFCT5G?
All ESD5101AFCT5G units undergo pre-shipment inspection (PSI). If there is an issue with ESD5101AFCT5G, 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 ESD5101AFCT5G part is unused and in its original packaging.
Return procedure for ESD5101AFCT5G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ESD5101AFCT5G 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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