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Semtech Corporation RCLAMP0532T.TCT
- Part No.:
- RCLAMP0532T.TCT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 6-UFDFN
- Datasheet:
-
RCLAMP0532T.TCT.pdf
- Description:
- TVS DIODE 5VWM 10VC SLP1610P4T
- Quantity:
- Payment:
- Shipping:
Inventory:9,384
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Product details
Overview
RCLAMP0532T.TCT 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), 27.5–28V clamping voltage at 40A, and 175pF junction capacitance - deployed in USB Type-C PD, industrial load switch inputs, and IoT device bus protection.
For engineers reviewing the RCLAMP0532T.TCT datasheet, pinout, applications, or equivalent options, key selection criteria include clamping stability across temperature and current, low dynamic resistance (20mΩ), DFN-6 package footprint, and compatibility with 22V operating voltage rails requiring robust surge immunity per IEC 61000-4-5.
Technical Context
The RCLAMP0532T.TCT 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 due to decreasing RDS(on) under surge conditions.
It operates over –40°C to +125°C, maintains stable 22V reverse stand-off voltage and <600nA leakage at VRWM, and delivers 1120W peak pulse power handling - enabling reliable protection in thermally demanding industrial and USB PD applications without derating.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Stand-Off Voltage | 22V - defines maximum continuous operating voltage before clamping activation |
| Clamping Voltage (40A, 8/20μs) | 27.5–28V - limits transient voltage seen by protected ICs during worst-case surge events |
| Peak Pulse Current | 40A (8/20μs) - supports compliance with IEC 61000-4-5 ±1kV surge testing on 42Ω source impedance |
| ESD Withstand | ±30kV contact & air (IEC 61000-4-2) - exceeds Level 4 immunity requirements for handheld and interface ports |
| Junction Capacitance | 175pF @ 22V, 1MHz - compatible with medium-speed data/power lines where sub-200pF loading is acceptable |
| Dynamic Resistance | 20mΩ - enables flat clamping response and minimizes voltage rise under increasing surge current |
| Operating Temperature | –40°C to +125°C - ensures stable performance in automotive-grade and industrial ambient environments |
Pinout & Package
Package: DFN-6 (1.6mm × 1.6mm × 0.55mm), Pb-free, RoHS-compliant, UL 94V-0 molding compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3 | GND | Common ground connection - all three pins must be soldered to maximize surge current return path and minimize inductance |
| 4, 5, 6 | IN | Protected line input - connected directly to VBus or power/data line; all three pins conduct surge current in parallel |
Key Features
| Feature | Design Value |
|---|---|
| FET-based transient diversion | Replaces traditional TVS with active shunt architecture for flat clamping vs. current/temperature |
| Constant clamping voltage | 27.5–28V across full 24–40A surge range and –40°C to +125°C ambient |
| High-energy surge rating | 1120W peak pulse power (8/20μs) enables single-device compliance with industrial surge standards |
| Low dynamic resistance | 20mΩ ensures minimal IR drop during conduction, preserving clamping accuracy under fast transients |
| Compact DFN-6 footprint | 1.6mm × 1.6mm area saves >50% board space versus legacy SO-8 or SOT-23 TVS solutions |
Applications
| USB Type-C Power Delivery Bus Protection | Industrial Load Switch Input Protection |
|---|---|
Use Scenario: Protecting 20–22V VBus lines in USB-C PD controllers against lightning-induced surges and connector ESD. IC Role / Device Role / Timing Role: Primary EOS shunt protector placed between connector and PD controller input, clamping transients before they reach sensitive silicon. Use Value: Maintains 27.5–28V clamping at 40A and 125°C - avoids overvoltage damage to PD controllers where conventional TVS would exceed 35V at same conditions. | Use Scenario: Safeguarding enable and input pins of industrial-grade load switches (e.g., HS2950P) exposed to field wiring transients. IC Role / Device Role / Timing Role: Front-end surge diverter that routes 40A transients to ground while holding voltage below the internal FET's absolute maximum rating. Use Value: Prevents latch-up or gate oxide failure in load switches by limiting clamped voltage to ≤28V - well below typical 30–36V VDS(max) thresholds. |
| IoT Device Power Rail Protection | Storage Device DC Power Input Protection |
Use Scenario: Securing 22V auxiliary power inputs on battery-backed IoT gateways subjected to EFT bursts and cable discharge events. IC Role / Device Role / Timing Role: Single-component solution for IEC 61000-4-4 EFT (±4kV) and IEC 61000-4-2 ESD suppression on unregulated DC inputs. Use Value: Delivers ±4kV EFT immunity with <600nA leakage at 22V - ensuring low standby power impact while maintaining long-term reliability in remote deployments. | Use Scenario: Shielding 22V DC input rails of NVMe SSD enclosures and external storage docks from hot-plug transients and power supply coupling. IC Role / Device Role / Timing Role: High-current transient suppressor placed at board edge to intercept surges before reaching PMIC and controller ICs. Use Value: 175pF capacitance avoids signal integrity issues on DC rails, while 1120W peak power rating handles repetitive surge stress without degradation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TDS2211P.C | Same die, identical electrical specs, DFN-6 package; differs only in reel quantity (3,000 pcs vs. 10,000 pcs for RCLAMP0532T.TCT) | No functional difference - both rated for 22V, 40A, ±30kV ESD, and USB-C PD use | Select TDS2211P.C for smaller batch procurement or qualification sampling |
| uClamp2411ZA | 24V working voltage, lower 24A peak pulse rating, higher 30V clamping, smaller 0.65mm × 0.65mm DFN-2 package | Targeted at CC/SBU lines in USB-C, not main VBus - unsuitable for 22V power rail protection due to lower IPP and higher VC | Use uClamp2411ZA only for auxiliary signal lines; RCLAMP0532T.TCT remains required for primary power rail protection |
Compared with TDS2211P.C and uClamp2411ZA, the RCLAMP0532T.TCT offers identical core protection performance to TDS2211P.C but with optimized logistics packaging, while providing significantly higher surge current capability and tighter clamping than uClamp2411ZA - making it the sole suitable choice for 22V power bus protection in USB PD and industrial systems.
Availability
RCLAMP0532T.TCT is available at Aetrix Electronics and suitable for USB Type-C PD implementations, industrial load switch protection, and IoT device power rail hardening requiring stable component supply and full IEC 61000-4-2/4-4/4-5 compliance.
Supply support for RCLAMP0532T.TCT 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.
The RCLAMP0532T.TCT belongs to Semtech's Transient Diverting Suppressor (TDS) product line, engineered to replace conventional TVS diodes with FET-based active clamping for flat, temperature-stable surge protection in high-reliability power and interface applications.
FAQ
What is the maximum continuous operating voltage for RCLAMP0532T.TCT?
The RCLAMP0532T.TCT has a reverse stand-off voltage (VRWM) of 22V, meaning it can continuously block up to 22V DC or RMS without clamping. This makes RCLAMP0532T.TCT ideal for protecting 20–22V power rails such as USB-C PD VBus, where operation near the upper limit of standard 24V systems is required without false triggering.
How does RCLAMP0532T.TCT achieve stable clamping voltage across temperature?
RCLAMP0532T.TCT uses a precision-triggered surge-rated FET instead of a PN-junction diode. When activated, the FET's RDS(on) drops sharply under surge current, resulting in clamping dominated by the fixed trigger circuit voltage (~27.5V). This architecture eliminates the positive temperature coefficient of conventional TVS devices, allowing RCLAMP0532T.TCT to maintain 27.5–28V clamping from –40°C to +125°C.
Can RCLAMP0532T.TCT replace standard TVS diodes in existing designs?
Yes - RCLAMP0532T.TCT is a direct functional replacement for 22V TVS diodes in surge-critical locations, but requires verification of PCB layout: all six pins (GND on 1–3, IN on 4–6) must be fully connected, and placement must be within 5mm of the protected connector. Its flat clamping behavior means RCLAMP0532T.TCT often enables downsizing of downstream overvoltage margining previously needed for TVS voltage drift.
What is the junction capacitance of RCLAMP0532T.TCT and where is it appropriate?
RCLAMP0532T.TCT has a junction capacitance of 175pF at 22V and 1MHz. This value is suitable for DC power lines, low-to-medium speed control signals, and USB-C VBus protection - but not for SuperSpeed USB 3.x or PCIe data lanes, where sub-0.5pF devices like RClamp3371ZC are required. The 175pF rating ensures minimal impact on power rail stability while delivering robust surge immunity.
Does RCLAMP0532T.TCT require a thermal pad or heatsink?
No - RCLAMP0532T.TCT dissipates surge energy through its internal FET channel rather than a PN junction, and its DFN-6 package is designed for direct PCB copper pour attachment without an exposed thermal pad. The datasheet specifies no thermal pad requirement; instead, maximizing GND via count and copper area under pins 1–3 is critical for low-inductance surge return paths. This simplifies layout versus thermally constrained TVS solutions.
RCLAMP0532T.TCT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 6-UFDFN
- Series:
- RailClamp®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Steering (Rail to Rail)
- Unidirectional Channels:
- 2
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5V (Max)
- Voltage - Breakdown (Min):
- 6.5V
- Voltage - Clamping (Max) @ Ipp:
- 10V
- Current - Peak Pulse (10/1000µs):
- 10A (8/20µs)
- Power - Peak Pulse:
- 100W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 1pF @ 1MHz
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SLP1610P4T
RCLAMP0532T.TCT FAQ
1.How can I place an order for RCLAMP0532T.TCT through Aetrix?
Please submit a Request for Quotation (RFQ) for RCLAMP0532T.TCT 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 RCLAMP0532T.TCT reliable?
The price and inventory of RCLAMP0532T.TCT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RCLAMP0532T.TCT is usually 5 days.
3.What payment methods are accepted for RCLAMP0532T.TCT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RCLAMP0532T.TCT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RCLAMP0532T.TCT?
RCLAMP0532T.TCT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RCLAMP0532T.TCT 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 RCLAMP0532T.TCT?
For technical support, including RCLAMP0532T.TCT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RCLAMP0532T.TCT requirements.
6.How does Aetrix verify that RCLAMP0532T.TCT is sourced from the original manufacturer or authorized distributors?
All RCLAMP0532T.TCT 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 RCLAMP0532T.TCT meets industry standards.
7.What is the process for return or replacement of RCLAMP0532T.TCT?
All RCLAMP0532T.TCT units undergo pre-shipment inspection (PSI). If there is an issue with RCLAMP0532T.TCT, 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 RCLAMP0532T.TCT part is unused and in its original packaging.
Return procedure for RCLAMP0532T.TCT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RCLAMP0532T.TCT Tags
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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