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Semtech Corporation RCLAMP3552TQTNT
- Part No.:
- RCLAMP3552TQTNT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 0402 (1006 Metric)
- Datasheet:
-
RCLAMP3552TQTNT.pdf
- Description:
- TVS DIODE 3.5VWM 6.5V SLP1006N3T
- Quantity:
- Payment:
- Shipping:
Inventory:29,125
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Product details
Overview
RCLAMP3552TQTNT from Semtech is a transient diverting suppressor (TDS) designed for high-energy EOS/ESD protection of 22V-rated power or I/O lines, featuring ±30kV IEC 61000-4-2 ESD immunity, 40A peak pulse current (8/20μs), and stable 27.5–28V clamping across temperature and current range - deployed in USB Type-C PD, industrial load switch inputs, and IoT device bus protection.
For engineers reviewing the RCLAMP3552TQTNT datasheet, pinout, applications, or equivalent options, key selection criteria include clamping voltage stability under surge, low dynamic resistance (<20 mΩ), junction capacitance (175 pF), and DFN 1.6×1.6mm 6-lead package compatibility with high-density USB and industrial PCB layouts.
Technical Context
RCLAMP3552TQTNT uses a surge-rated FET as its primary protection element, activated by a precision trigger circuit that turns on the shunt path when transient voltage exceeds breakdown. Unlike conventional TVS diodes, its clamping voltage remains nearly constant (27.5–28V) from 24A to 40A IPP due to decreasing RDS(on) under surge.
The device operates over –40°C to +125°C, maintains <600 nA reverse leakage at 22V, and delivers 1120W peak pulse power (8/20μs). Its functional architecture separates trigger threshold (≈27.9V VBR) from clamping behavior, enabling predictable protection margins for 22V bus systems without thermal derating penalties.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | 22 V - defines maximum continuous DC operating voltage of protected line without leakage or conduction. |
| Clamping Voltage | 27.5–28 V at 40A (8/20μs) - ensures downstream 22V-rated ICs (e.g., USB PD controllers) remain below damage threshold during surge. |
| Peak Pulse Current | 40 A (8/20μs) - meets IEC 61000-4-5 Level 4 surge immunity for industrial equipment and USB PD input stages. |
| ESD Withstand | ±30 kV contact & air (IEC 61000-4-2) - exceeds automotive and industrial ESD requirements without external shielding. |
| Dynamic Resistance | 20 mΩ - enables low-voltage drop during high-current transients, minimizing energy dissipation in the device itself. |
| Junction Capacitance | 175 pF at 22 V, 1 MHz - compatible with DC power rails and low-speed signal lines; not suitable for >100 Mbps data paths. |
| Package | DFN 1.6 mm × 1.6 mm × 0.55 mm, 6-lead - supports high-density layout with symmetric GND and IN terminal groups for low-inductance routing. |
Pinout & Package
Package: DFN 1.6 mm × 1.6 mm × 0.55 mm, 6-lead, RoHS-compliant, UL 94V-0 molding compound, lead-free finish. Thermal pad not required; energy dissipated internally via FET channel.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pins 1, 2, 3 | GND | Common ground return for surge current; all three must be connected to minimize inductance and maximize 40A capability. |
| Pins 4, 5, 6 | IN | Protected line input (e.g., VBUS or power rail); parallel connection ensures uniform current sharing and thermal distribution. |
Key Features
| Feature | Design Value |
|---|---|
| FET-based transient diversion | Replaces conventional TVS with active shunt switching, delivering flat clamping vs. current and temperature - eliminates thermal runaway risk. |
| Stable clamping across temperature | 27.5–28 V maintained from –40°C to +125°C - enables reliable protection in uncontrolled industrial or automotive ambient conditions. |
| Low dynamic resistance | 20 mΩ measured between 1A–40A (8/20μs) - reduces voltage overshoot and localized heating during multi-pulse events. |
| High-energy surge rating | 1120 W peak pulse power (8/20μs) - supports repeated lightning-surge testing per IEC 61000-4-5 without parameter shift. |
| Compact DFN footprint | 1.6 mm × 1.6 mm area - saves >60% board space vs. SO-8 or SOT-23 TVS solutions while maintaining 40A capability. |
Applications
| USB Type-C Power Delivery Protection | Industrial Load Switch Input Protection |
|---|---|
Use Scenario: Protecting 20–22V VBUS lines in USB-C receptacles against ESD, lightning surges, and hot-plug transients. IC Role / Device Role / Timing Role: Primary EOS shunt protector placed directly at connector, clamping transients before reaching PD controller or load switch. Use Value: Maintains 27.5–28V clamping at full 40A surge and up to +125°C - prevents false overvoltage shutdown and ensures PD compliance under worst-case thermal conditions. |
Use Scenario: Safeguarding input pins of industrial-grade load switches (e.g., HS2950P) exposed to field wiring surges in remote meters or robotics. IC Role / Device Role / Timing Role: Front-end transient clamp limiting voltage seen by internal FET gate oxide and overvoltage protection circuitry. Use Value: Clamps below 28V at 40A, staying well under typical 30–36V absolute max ratings of load switch inputs - avoids latch-up or permanent gate damage. |
| IoT Device Power Rail Protection | Storage Device DC Bus Protection |
Use Scenario: Securing 22V auxiliary power rails in battery-backed IoT gateways subjected to EFT bursts and cable discharge events. IC Role / Device Role / Timing Role: Single-device solution for unsymmetrical line protection, replacing dual-diode TVS arrays with higher leakage and variable clamping. Use Value: Delivers ±4kV EFT immunity (IEC 61000-4-4) and <600 nA leakage at 22V - preserves battery life while ensuring robustness against repetitive fast transients. |
Use Scenario: Shielding 22V DC input of NVMe SSD power modules or enterprise HDD backplanes from system-level surges. IC Role / Device Role / Timing Role: High-power transient suppressor on main DC input, coordinated with low-capacitance TVS on data lanes (e.g., RClamp3371ZC). Use Value: 1120W peak power handling enables single-device compliance with EN 61000-4-5 Class 4 - eliminates need for cascaded protection stages. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TDS2211P | Identical electrical specs, same DFN 1.6×1.6mm package, identical pinout (GND on 1–3, IN on 4–6), same marking "T22". | Direct second-source part from Semtech; identical qualification, reliability, and production lot traceability. | Select when requiring Semtech's original design assurance and long-term supply continuity under same part number family. |
| SMAJ22A | Standard unidirectional TVS diode; 22V VRWM, 35.5V VC @ 12.3A; no FET-based clamping; higher clamping, no temperature stability. | Higher clamping voltage limits use in 22V systems near IC absolute max ratings; requires derating above 85°C. | Choose only for cost-sensitive, non-critical 22V rails where 35.5V clamping is acceptable and thermal margin is ample. |
Compared with TDS2211P, RCLAMP3552TQTNT offers identical performance and form factor as a Semtech-qualified variant, while SMAJ22A provides lower-cost TVS protection at the expense of clamping voltage stability, temperature resilience, and peak current capability - making it unsuitable for USB PD or industrial load switch inputs.
Availability
RCLAMP3552TQTNT is available at Aetrix Electronics and suitable for USB Type-C PD interfaces, industrial load switch inputs, and IoT device power rail protection requiring stable component supply, long-term lifecycle support, and guaranteed surge performance across temperature extremes.
Supply support for RCLAMP3552TQTNT 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 high-performance analog and mixed-signal ICs for precision sensing, protection, and signal integrity.
RCLAMP3552TQTNT belongs to Semtech's Transient Diverting Suppressor (TDS) product line, engineered specifically to replace conventional TVS diodes in high-reliability 22V power and interface protection applications where clamping stability and thermal resilience are critical.
FAQ
What is the maximum continuous operating voltage for RCLAMP3552TQTNT?
RCLAMP3552TQTNT has a reverse stand-off voltage (VRWM) of 22 V, meaning it can continuously block up to 22 V DC without significant leakage or conduction. This makes RCLAMP3552TQTNT suitable for protecting 22V nominal power rails such as USB PD VBUS, industrial 24V inputs, and storage device DC buses.
How does RCLAMP3552TQTNT achieve stable clamping voltage across temperature?
RCLAMP3552TQTNT achieves stable clamping (27.5–28 V) from –40°C to +125°C by using a surge-rated FET as the primary protection element, whose RDS(on) decreases under surge, counteracting thermal drift. Unlike TVS diodes, RCLAMP3552TQTNT's clamping is governed by the trigger circuit's breakdown voltage, not junction characteristics - ensuring consistent protection margins.
Is RCLAMP3552TQTNT pin-compatible with TDS2211P?
Yes, RCLAMP3552TQTNT is pin-compatible with TDS2211P: both use the same DFN 1.6 mm × 1.6 mm × 0.55 mm 6-lead package with identical pin configuration (GND on pins 1–3, IN on pins 4–6) and matching electrical specifications - enabling direct substitution without PCB changes.
What surge standards does RCLAMP3552TQTNT meet?
RCLAMP3552TQTNT meets IEC 61000-4-2 (±30 kV contact/air ESD), IEC 61000-4-4 (±4 kV EFT), and IEC 61000-4-5 (40 A, 8/20 μs; ±1 kV combination wave). Its 1120 W peak pulse power rating supports Level 4 industrial surge immunity, making RCLAMP3552TQTNT appropriate for harsh-environment deployments.
Can RCLAMP3552TQTNT be used on high-speed data lines like USB SS or PCIe?
No, RCLAMP3552TQTNT is not suitable for high-speed data lines: its 175 pF junction capacitance at 22 V would severely degrade signal integrity above ~100 Mbps. It is intended for DC power rails and low-speed control lines. For USB SuperSpeed or DP/DM lanes, low-capacitance devices like RClamp3371ZC (<0.25 pF) must be used instead of RCLAMP3552TQTNT.
RCLAMP3552TQTNT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 0402 (1006 Metric)
- Series:
- RailClamp®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 2
- Voltage - Reverse Standoff (Typ):
- 3.5V (Max)
- Voltage - Breakdown (Min):
- 7.5V
- Voltage - Clamping (Max) @ Ipp:
- 6.5V
- Current - Peak Pulse (10/1000µs):
- 4A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- USB
- Capacitance @ Frequency:
- 0.4pF @ 1MHz
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SLP1006N3T
RCLAMP3552TQTNT FAQ
1.How can I place an order for RCLAMP3552TQTNT through Aetrix?
Please submit a Request for Quotation (RFQ) for RCLAMP3552TQTNT 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 RCLAMP3552TQTNT reliable?
The price and inventory of RCLAMP3552TQTNT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RCLAMP3552TQTNT is usually 5 days.
3.What payment methods are accepted for RCLAMP3552TQTNT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RCLAMP3552TQTNT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RCLAMP3552TQTNT?
RCLAMP3552TQTNT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RCLAMP3552TQTNT 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 RCLAMP3552TQTNT?
For technical support, including RCLAMP3552TQTNT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RCLAMP3552TQTNT requirements.
6.How does Aetrix verify that RCLAMP3552TQTNT is sourced from the original manufacturer or authorized distributors?
All RCLAMP3552TQTNT 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 RCLAMP3552TQTNT meets industry standards.
7.What is the process for return or replacement of RCLAMP3552TQTNT?
All RCLAMP3552TQTNT units undergo pre-shipment inspection (PSI). If there is an issue with RCLAMP3552TQTNT, 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 RCLAMP3552TQTNT part is unused and in its original packaging.
Return procedure for RCLAMP3552TQTNT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RCLAMP3552TQTNT Tags
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