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Semtech Corporation RCLAMP3331ZATFT
- Part No.:
- RCLAMP3331ZATFT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 0201 (0603 Metric)
- Datasheet:
-
RCLAMP3331ZATFT.pdf
- Description:
- TVS DIODE 3.3V 7.5V SLP0603P2X3F
- Quantity:
- Payment:
- Shipping:
Inventory:310,573
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Product details
Overview
RCLAMP3331ZATFT from Semtech is a single-line, 3.3V-rated ultra-low-capacitance TVS diode for high-speed data line ESD protection. It delivers ±20kV air/±18kV contact ESD immunity per IEC 61000-4-2, 0.35 pF typical junction capacitance, 0.20 Ω typical dynamic resistance, and clamps to ≤5.5 V at 4 A (8/20 µs), enabling use in USB 3.0 and MIPI interfaces.
For engineers reviewing the RCLAMP3331ZATFT datasheet, pinout, applications, or equivalent options, key selection criteria include sub-0.4 pF capacitance for >5 GHz signal integrity, symmetrical bidirectional clamping, SLP0603P2X3F 0201 package compatibility with fine-pitch routing, and validated 1000+ ESD strike endurance.
Technical Context
RCLAMP3331ZATFT employs silicon-avalanche TVS technology with electrically symmetrical pin configuration (Pin 1 ↔ Pin 2), supporting bidirectional transient suppression on a single high-speed line. Its low dynamic resistance (0.20 Ω) and fast TLP response (0.2 ns rise time) ensure minimal voltage overshoot during ESD events.
The device operates at 3.3 V working voltage with 5.5–10.5 V breakdown range and maintains <50 nA leakage at VRWM. Its clamping performance is characterized under both 8/20 µs surge (VC = 5.5–7.5 V @ 4 A) and 0.2/100 ns ESD pulse (VC = 4.5–7.0 V @ 4–16 A), meeting stringent interface-level protection requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | ±3.3 V - Matches nominal supply of USB 3.0, MIPI, and eDP data lines without DC biasing. |
| Junction Capacitance | 0.35 pF (typ.) @ 0 V - Enables minimal signal distortion up to 5 GHz; verified via S21 insertion loss testing. |
| Dynamic Resistance | 0.20 Ω (typ.) - Reduces clamping voltage overshoot during fast transients, critical for sub-nanosecond ESD pulses. |
| ESD Withstand | ±20 kV air / ±18 kV contact - Exceeds IEC 61000-4-2 Level 4, supporting robust board-level compliance testing. |
| Clamping Voltage | ≤5.5 V @ 4 A (8/20 µs) - Limits stress on downstream PHY receivers while maintaining signal eye integrity. |
| Package Dimensions | 0.6 × 0.3 × 0.25 mm - Ultra-compact SLP0603P2X3F footprint fits tight routing in mobile and portable PCB layouts. |
Pinout & Package
Package: SLP0603P2X3F - 2-pin, bottom-view, Pb-free NiAu-plated, RoHS/WEEE-compliant ultra-small outline measuring 0.6 mm × 0.3 mm × 0.25 mm height.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode/Cathode (symmetrical) | Electrically identical to Pin 2; bidirectional conduction allows flexible placement across differential or single-ended lines. |
| Pin 2 | Anode/Cathode (symmetrical) | No polarity assignment required; supports layout symmetry and eliminates orientation-dependent assembly errors. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low capacitance | 0.35 pF typical ensures <0.5 dB insertion loss at 5 GHz, preserving signal integrity in USB 3.0 and V-By-One links. |
| High ESD endurance | Survives ≥1000 IEC 61000-4-2 Level 4 strikes without parameter shift-validated for production reliability. |
| Symmetrical bidirectional clamping | No polarity marking needed; simplifies layout, reduces BOM variants, and eliminates reverse-mount risk. |
| Low dynamic resistance | 0.20 Ω typical minimizes voltage overshoot during sub-ns ESD transients, protecting sensitive SerDes inputs. |
Applications
| USB 3.0 Interface Protection | MIPI D-PHY Line Protection |
|---|---|
Use Scenario: Protecting SuperSpeed TX/RX differential pairs in ultrabooks and tablets against ESD during hot-plug and handling. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed directly at connector entry point to shunt ESD energy before reaching USB 3.0 PHY. Use Value: 0.35 pF capacitance avoids eye diagram degradation; clamping ≤5.5 V at 4 A prevents PHY latch-up or damage. | Use Scenario: Shielding MIPI D-PHY data lanes in smartphone camera modules from contact ESD during manufacturing and field use. IC Role / Device Role / Timing Role: Single-line rail clamp installed adjacent to image sensor interface to suppress ±18 kV contact discharges. Use Value: Sub-0.4 pF loading preserves >1.5 Gbps data rate; symmetrical pinout enables compact dual-lane layout. |
| eDP Link Protection | V-By-One HS Interface |
Use Scenario: Securing embedded DisplayPort main link channels in thin-client displays and docking stations. IC Role / Device Role / Timing Role: Per-lane TVS device mounted at source-side edge connector to meet IEC 61000-4-2 system-level immunity. Use Value: Low dynamic resistance (0.20 Ω) limits clamping overshoot to <6 V, ensuring eDP receiver compliance with VIL/VIH margins. | Use Scenario: Protecting V-By-One HS serial video links in industrial monitors and medical imaging panels. IC Role / Device Role / Timing Role: One RCLAMP3331ZATFT per data lane, placed immediately before timing controller input pins. Use Value: 0.35 pF capacitance maintains signal fidelity at 3.75 Gbps; ±20 kV air discharge rating covers panel assembly ESD risks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD1E01B04DPYR | 0.3 pF typ. capacitance, 5.5 V clamping @ 4 A, same SLP0603P2X3F package | Optimized for USB Type-C CC line; slightly lower clamping but narrower breakdown range (5.2–6.2 V) | Select when prioritizing lowest possible capacitance over broader breakdown tolerance. |
| SMLJ3.3A | 3.3 V standoff, 12.3 V min breakdown, 100 W peak power, larger SOD-123 package (3.7 × 1.6 mm) | Higher power handling but 15× larger footprint; unsuitable for high-density mobile layouts | Choose only where space permits and higher surge current (>10 A) capability is required. |
Compared with TPD1E01B04DPYR and SMLJ3.3A, RCLAMP3331ZATFT offers the optimal balance of ultra-low capacitance (0.35 pF), industry-leading ESD endurance (≥1000 strikes), and 0201-scale integration-making it the preferred choice for space-constrained, multi-gigabit interface protection.
Availability
RCLAMP3331ZATFT is available at Aetrix Electronics and suitable for USB 3.0 interface protection, MIPI D-PHY line hardening, and eDP link safeguarding requiring stable component supply across high-volume consumer electronics production.
Supply support for RCLAMP3331ZATFT 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 fabless semiconductor company specializing in analog and mixed-signal ICs for precision sensing, protection, and signal integrity.
RCLAMP3331ZATFT belongs to Semtech's RailClamp® family-engineered specifically for ultra-high-speed data line ESD protection in portable and mobile electronics where capacitance, size, and reliability are critical.
FAQ
What is the exact package type and dimensions of RCLAMP3331ZATFT?
RCLAMP3331ZATFT uses the SLP0603P2X3F package: a 2-pin, bottom-view, ultra-compact outline measuring 0.6 mm × 0.3 mm × 0.25 mm height. It features NiAu lead finish, conforms to IPC land pattern guidelines, and is RoHS/WEEE compliant. This package enables placement directly at high-speed connector interfaces without trace stubs.
Does RCLAMP3331ZATFT support bidirectional ESD protection?
Yes, RCLAMP3331ZATFT is electrically symmetrical-Pin 1 and Pin 2 are functionally identical. This bidirectional design eliminates polarity concerns during layout and assembly, allowing flexible placement across single-ended or differential lines without orientation constraints.
What is the maximum clamping voltage of RCLAMP3331ZATFT under IEC 61000-4-2 ESD stress?
Under IEC 61000-4-2 contact discharge (±8 kV), RCLAMP3331ZATFT clamps to ≤7.0 V (TLP test, 0.2/100 ns). At 4 A (8/20 µs surge), its clamping voltage is ≤7.5 V. These values ensure safe operation for 3.3 V logic interfaces, including USB 3.0 and MIPI receivers.
How many ESD strikes can RCLAMP3331ZATFT withstand before degradation?
RCLAMP3331ZATFT is rated for over 1000 ESD strikes at IEC 61000-4-2 Level 4 (±15 kV air / ±8 kV contact) without measurable parameter shift. This endurance is validated per Semtech's qualification testing and supports long-term reliability in handheld and portable product lifecycles.
Is RCLAMP3331ZATFT compatible with automated SMT assembly processes?
Yes, RCLAMP3331ZATFT is designed for standard SMT reflow per JEDEC J-STD-020. Semtech recommends a 0.100 mm stencil thickness, laser-cut electro-polished aperture with 5° taper, Type 4 solder paste, and non-solder-mask-defined pads with OSP or NiAu finish for reliable 0201 placement.
RCLAMP3331ZATFT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 0201 (0603 Metric)
- Series:
- RailClamp®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 3.3V (Max)
- Voltage - Breakdown (Min):
- 5.5V
- Voltage - Clamping (Max) @ Ipp:
- 7.5V
- Current - Peak Pulse (10/1000µs):
- 4A (8/20µs)
- Power - Peak Pulse:
- 30W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 0.35pF @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SLP0603P2X3F
RCLAMP3331ZATFT FAQ
1.How can I place an order for RCLAMP3331ZATFT through Aetrix?
Please submit a Request for Quotation (RFQ) for RCLAMP3331ZATFT 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 RCLAMP3331ZATFT reliable?
The price and inventory of RCLAMP3331ZATFT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RCLAMP3331ZATFT is usually 5 days.
3.What payment methods are accepted for RCLAMP3331ZATFT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RCLAMP3331ZATFT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RCLAMP3331ZATFT?
RCLAMP3331ZATFT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RCLAMP3331ZATFT 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 RCLAMP3331ZATFT?
For technical support, including RCLAMP3331ZATFT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RCLAMP3331ZATFT requirements.
6.How does Aetrix verify that RCLAMP3331ZATFT is sourced from the original manufacturer or authorized distributors?
All RCLAMP3331ZATFT 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 RCLAMP3331ZATFT meets industry standards.
7.What is the process for return or replacement of RCLAMP3331ZATFT?
All RCLAMP3331ZATFT units undergo pre-shipment inspection (PSI). If there is an issue with RCLAMP3331ZATFT, 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 RCLAMP3331ZATFT part is unused and in its original packaging.
Return procedure for RCLAMP3331ZATFT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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