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Semtech Corporation RCLAMP3522T.TFT
- Part No.:
- RCLAMP3522T.TFT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 0402 (1006 Metric)
- Datasheet:
-
RCLAMP3522T.TFT.pdf
- Description:
- TVS DIODE 3.5VWM 13VC SGP1006N3T
- Quantity:
- Payment:
- Shipping:
Inventory:6,280
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Product details
Overview
RCLAMP3522T.TFT from Semtech is a bidirectional, ultra-low-capacitance (0.40 pF) ESD protection diode array in a 3-pin SGP1006N3T package, designed for two high-speed data lines operating up to 3.5 V. It delivers ±15 kV air-gap and ±12 kV contact IEC 61000-4-2 ESD immunity with 0.47 Ω typical dynamic resistance and clamps to ≤13.1 V at 4 A IPP - enabling robust protection of USB 3.0, DisplayPort, and V-By-One interfaces without signal integrity degradation.
For engineers reviewing the RCLAMP3522T.TFT datasheet, pinout, applications, or equivalent options, key selection criteria include sub-0.5 pF junction capacitance, symmetrical bidirectional clamping, 3.5 V working voltage, low dynamic resistance for minimal voltage overshoot, and compatibility with >6 GHz signal bandwidths in portable high-speed interconnects.
Technical Context
The RCLAMP3522T.TFT employs silicon-avalanche solid-state technology optimized for transient suppression on differential or single-ended high-speed buses. Its electrically symmetrical structure allows any pin to serve as ground, with Pins 1 and 2 as protected I/O lines and Pin 3 as common ground - supporting flexible PCB layout in space-constrained applications.
It meets IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and Cable Discharge Event (CDE) standards. The device's 0.40 pF capacitance and 0.47 Ω dynamic resistance are measured under TLP conditions (tp = 100 ns, tr = 0.2 ns), ensuring predictable clamping behavior across peak currents from 4 A to 16 A.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | 3.5 V - maximum continuous DC voltage applied across I/O-to-GND without leakage or degradation |
| Junction Capacitance | 0.40 pF @ 1 MHz, 0 V - enables minimal signal distortion in USB 3.0 (5 Gbps) and DisplayPort (8.1 Gbps) channels |
| Dynamic Resistance | 0.47 Ω typical - reduces voltage overshoot during fast transients, improving protection margin for sensitive PHYs |
| ESD Clamping Voltage | ≤13.1 V @ 4 A IPP (IEC 61000-4-2 contact) - ensures downstream ICs remain below absolute maximum ratings during ESD events |
| Package | SGP1006N3T (1.0 × 0.6 × 0.4 mm) - ultra-compact footprint compatible with fine-pitch routing and automated SMT assembly |
| Standards Compliance | IEC 61000-4-2 (±15 kV air / ±12 kV contact), IEC 61000-4-4 (40 A EFT), CDE - validated immunity for consumer and industrial interface ports |
Pinout & Package
Package: SGP1006N3T - 3-pin ultra-small leadless package, 1.0 mm × 0.6 mm × 0.4 mm nominal dimensions, NiPdAu lead finish, RoHS/WEEE compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | I/O Line 1 | Bidirectional ESD protection path; connects to first high-speed data line (e.g., USB3_DP) |
| Pin 2 | I/O Line 2 | Bidirectional ESD protection path; connects to second high-speed data line (e.g., USB3_DM) |
| Pin 3 | Ground | Common reference for clamping; electrically symmetrical - may be assigned to any pin per layout needs |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low capacitance | 0.40 pF preserves signal integrity in >6 GHz applications like USB 3.0 and V-By-One without measurable eye diagram degradation |
| Low dynamic resistance | 0.47 Ω typical minimizes voltage overshoot during ESD pulses, reducing stress on connected PHY transceivers |
| Electrically symmetrical design | Any pin can serve as ground - simplifies PCB routing and eliminates orientation constraints during placement |
| Lead-free & halogen-free | NiPdAu finish and UL 94V-0 molding compound meet global environmental compliance requirements for portable electronics |
Applications
| USB 3.0 Interface Protection | DisplayPort / eDP Line Protection |
|---|---|
Use Scenario: Protecting differential USB 3.0 SuperSpeed lanes (TX/RX pairs) against ESD events in laptop docking stations and external SSD enclosures. IC Role / Device Role: Bidirectional ESD clamp placed immediately before the USB 3.0 controller PHY, shunting transients to ground. Use Value: Maintains 5 Gbps signal fidelity with <0.1 dB insertion loss up to 2.5 GHz while clamping ±12 kV contact discharges to <13.1 V. | Use Scenario: Safeguarding DisplayPort main link lanes in thin-bezel monitors and embedded display modules subject to handling ESD. IC Role / Device Role: Two-line ESD suppressor on DP++ differential pairs, mounted adjacent to the connector to minimize stub length. Use Value: 0.40 pF capacitance prevents timing skew and jitter accumulation, preserving 8.1 Gbps link stability per lane. |
| V-By-One HS Interface | MHL / Mobile High-Definition Link |
Use Scenario: ESD hardening of V-By-One HS video links in automotive infotainment displays and industrial HMIs where cable hot-plug causes CDE. IC Role / Device Role: Symmetrical bidirectional protector on each VBO-HS differential pair, leveraging Pin 3 as shared ground. Use Value: 0.47 Ω dynamic resistance ensures clamping voltage stays below 1.8 V rail tolerance of SerDes receivers during 40 A EFT bursts. | Use Scenario: Protecting MHL 3.0/4.0 differential signaling paths in smartphones and VR headsets connecting to HDMI adapters. IC Role / Device Role: Low-capacitance ESD array on MHL TX/RX lanes, placed between SoC and MHL bridge IC. Use Value: Sub-0.5 pF loading avoids degrading the 3–6 GHz MHL frequency band, maintaining required BER <1e−12 under ESD stress. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SP3202-01ETG | 0.55 pF capacitance, 0.65 Ω dynamic resistance, 3.3 V working voltage | Slightly higher capacitance limits usable bandwidth to ~4 GHz; better suited for USB 2.0 or LVDS | Select when lower cost or broader vendor availability outweighs need for >5 Gbps support |
| TPD2E001DRYR | 0.85 pF capacitance, 1.2 Ω dynamic resistance, 5 V working voltage | Higher capacitance and clamping voltage reduce margin for 3.5 V logic; requires careful receiver VDD tolerance check | Prefer for legacy 5 V systems or where higher standoff voltage justifies trade-off in speed performance |
Compared with SP3202-01ETG and TPD2E001DRYR, the RCLAMP3522T.TFT provides the lowest capacitance and dynamic resistance in its class, making it uniquely suitable for next-generation high-speed interfaces where signal integrity and ESD margin must coexist - especially in 3.5 V domains with tight voltage tolerances.
Availability
RCLAMP3522T.TFT is available at Aetrix Electronics and suitable for USB 3.0 interface protection, DisplayPort line hardening, and V-By-One HS video links requiring stable component supply and consistent tape-and-reel delivery for high-volume SMT production.
Supply support for RCLAMP3522T.TFT 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
Semtech Corporation is a U.S.-based semiconductor company specializing in analog and mixed-signal ICs for precision sensing, power management, and transient protection - with leadership in high-speed ESD solutions for consumer and industrial markets.
The RCLAMP® product line targets high-bandwidth digital interfaces, delivering ultra-low-capacitance, low-clamping-voltage protection specifically engineered for USB 3.0, DisplayPort, V-By-One, and MHL without compromising signal fidelity.
FAQ
What is the maximum operating voltage for RCLAMP3522T.TFT?
The RCLAMP3522T.TFT has a maximum working voltage (VWM) of 3.5 V. This means it is rated to continuously block up to 3.5 V DC or peak AC across its I/O-to-ground terminals without entering conduction or degrading performance. Exceeding this voltage risks premature breakdown or increased leakage current, so it must be used only in 3.3 V nominal systems with appropriate voltage margins.
Does RCLAMP3522T.TFT support bidirectional ESD protection?
Yes, the RCLAMP3522T.TFT is fully bidirectional and electrically symmetrical. Its internal structure allows identical clamping behavior for positive and negative transients on either I/O line. This symmetry means any pin can serve as ground - enabling flexible PCB layout and eliminating polarity concerns during assembly, unlike unidirectional TVS arrays.
What is the junction capacitance of RCLAMP3522T.TFT and why does it matter?
The RCLAMP3522T.TFT has a typical junction capacitance of 0.40 pF at 1 MHz and 0 V bias. This ultra-low value is critical for high-speed interfaces: it minimizes signal attenuation, phase shift, and jitter, allowing clean 5–8 Gbps operation in USB 3.0 and DisplayPort. Higher capacitance would distort eye diagrams and increase bit error rates - a key reason RCLAMP3522T.TFT is specified for >6 GHz bandwidths.
How is RCLAMP3522T.TFT packaged and what are its mounting considerations?
RCLAMP3522T.TFT uses the SGP1006N3T package: a 3-pin, 1.0 × 0.6 × 0.4 mm leadless land-grid device with NiPdAu finish. Due to its small size, precise stencil aperture (220 × 460 µm) and land pad (200 × 400 µm) are recommended. Careful reflow profiling is needed to ensure void-free solder joints and avoid tombstoning - Semtech provides detailed assembly guidelines in the official datasheet.
Which industry standards does RCLAMP3522T.TFT comply with?
RCLAMP3522T.TFT complies with IEC 61000-4-2 (ESD: ±15 kV air, ±12 kV contact), IEC 61000-4-4 (EFT: 40 A, 5/50 ns), and Cable Discharge Event (CDE) standards. These certifications validate its ability to protect sensitive high-speed interfaces in real-world environments - including handheld device handling, board-level manufacturing, and cable hot-plug scenarios - without requiring additional external filtering.
RCLAMP3522T.TFT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 0402 (1006 Metric)
- Series:
- RailClamp®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 2
- Voltage - Reverse Standoff (Typ):
- 3.5V (Max)
- Voltage - Breakdown (Min):
- 4.5V
- Voltage - Clamping (Max) @ Ipp:
- 13V
- Current - Peak Pulse (10/1000µs):
- 4A (8/20µs)
- Power - Peak Pulse:
- 50W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 0.33pF @ 1MHz
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SGP1006N3T
RCLAMP3522T.TFT FAQ
1.How can I place an order for RCLAMP3522T.TFT through Aetrix?
Please submit a Request for Quotation (RFQ) for RCLAMP3522T.TFT 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 RCLAMP3522T.TFT reliable?
The price and inventory of RCLAMP3522T.TFT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RCLAMP3522T.TFT is usually 5 days.
3.What payment methods are accepted for RCLAMP3522T.TFT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RCLAMP3522T.TFT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RCLAMP3522T.TFT?
RCLAMP3522T.TFT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RCLAMP3522T.TFT 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 RCLAMP3522T.TFT?
For technical support, including RCLAMP3522T.TFT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RCLAMP3522T.TFT requirements.
6.How does Aetrix verify that RCLAMP3522T.TFT is sourced from the original manufacturer or authorized distributors?
All RCLAMP3522T.TFT 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 RCLAMP3522T.TFT meets industry standards.
7.What is the process for return or replacement of RCLAMP3522T.TFT?
All RCLAMP3522T.TFT units undergo pre-shipment inspection (PSI). If there is an issue with RCLAMP3522T.TFT, 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 RCLAMP3522T.TFT part is unused and in its original packaging.
Return procedure for RCLAMP3522T.TFT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RCLAMP3522T.TFT Tags
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