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Semtech Corporation RCLAMP0514M.TBT
- Part No.:
- RCLAMP0514M.TBT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
RCLAMP0514M.TBT.pdf
- Description:
- TVS DIODE 5VWM 20VC 10MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:8,996
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Product details
Overview
RCLAMP0514M.TBT from Semtech is a transient diverting suppressor designed for high-energy EOS protection on 5V I/O or power lines, featuring ±30kV IEC 61000-4-2 ESD immunity, 24A peak pulse current (8/20μs), 9.5V clamping voltage at 24A, 175pF junction capacitance, and DFN-6 1.6×1.6mm package - deployed in USB 2.0, HDMI, and industrial sensor interfaces.
For engineers reviewing the RCLAMP0514M.TBT datasheet, pinout, applications, or equivalent options, key selection criteria include clamping stability across temperature, low dynamic resistance (<20mΩ), minimal capacitive loading for high-speed data lines, and compatibility with 5V bus architectures requiring robust ESD/EFT surge suppression without signal integrity degradation.
Technical Context
RCLAMP0514M.TBT 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 threshold. Unlike conventional TVS diodes, its clamping voltage remains nearly constant across the full rated peak pulse current range due to decreasing RDS(on) under surge conditions.
The device operates with reverse stand-off voltage of 5V, breakdown voltage of 6.2V (typ), and maintains stable clamping at 9.5V up to 24A (8/20μs) with <±0.3V variation from −40°C to +125°C - enabling reliable protection in thermally demanding embedded and industrial environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | 5V - matches standard USB 2.0, HDMI, and microcontroller I/O rail voltages without derating. |
| Clamping Voltage | 9.5V at 24A (8/20μs) - stays below 10V across full temperature range, protecting 5V logic against damage. |
| ESD Withstand | ±30kV contact & air (IEC 61000-4-2) - exceeds Level 4 immunity requirements for consumer and industrial end equipment. |
| Junction Capacitance | 175pF at 5V - low enough for USB 2.0 (480Mbps) and HDMI 1.4 signal integrity preservation. |
| Dynamic Resistance | 20mΩ - ensures minimal voltage rise during surge conduction, critical for maintaining clamping accuracy. |
| Peak Pulse Current | 24A (8/20μs) - meets IEC 61000-4-5 Level 3 surge immunity for industrial port protection. |
| Operating Temperature | −40°C to +125°C - supports deployment in automotive cabin modules and industrial PLC I/O cards. |
Pinout & Package
Package: DFN-6, 1.6mm × 1.6mm × 0.55mm, RoHS-compliant, UL 94V-0 molding compound, lead-free finish, tape-and-reel packaging.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3 | GND | Common ground return path for all three shunt paths; must be connected with low-inductance layout to maximize surge current handling. |
| 4, 5, 6 | IN | Parallel-connected input terminals for protected line; enables distributed current sharing and reduced trace inductance in high-frequency ESD events. |
Key Features
| Feature | Design Value |
|---|---|
| FET-based transient diversion | Replaces traditional TVS diode with active shunt FET, delivering flat clamping response independent of surge amplitude or ambient temperature. |
| Stable clamping over temperature | Clamping voltage variation ≤±0.3V from −40°C to +125°C - eliminates thermal derating calculations in thermal design. |
| Low dynamic resistance | 20mΩ measured between 1A–24A (8/20μs) - minimizes IR drop during surge, preserving voltage margin for downstream 5V ICs. |
| High EFT immunity | ±4kV per IEC 61000-4-4 (5/50ns, 5kHz & 100kHz) - protects against repetitive fast transients in motor-driven industrial systems. |
| Space-efficient DFN-6 | 1.6×1.6mm footprint - saves >60% board area vs. SO-8 TVS solutions while supporting same surge rating. |
Applications
| USB 2.0 Data Lines | HDMI 1.4 Interface |
|---|---|
Use Scenario: Protecting D+ and D− pins of USB 2.0 transceivers against ESD and cable discharge events in portable docking stations. IC Role / Device Role / Timing Role: Transient diverting suppressor placed directly at connector, clamping surges before reaching PHY layer. Use Value: 175pF capacitance avoids signal rise-time degradation at 480Mbps; 9.5V clamping prevents latch-up in 5V USB PHYs. | Use Scenario: Shielding TMDS clock and data channels in HDMI 1.4 source devices (e.g., set-top boxes) from hot-plug and ESD stress. IC Role / Device Role / Timing Role: Low-capacitance parallel clamp on each differential pair, referenced to local ground plane. Use Value: Stable 9.5V clamping ensures HDMI transmitter output drivers remain within safe operating area during ±30kV contact ESD. |
| Industrial Sensor I/O | Automotive Infotainment USB Port |
Use Scenario: Safeguarding analog and digital I/O of pressure/temperature sensors in factory automation PLC modules exposed to relay switching noise. IC Role / Device Role / Timing Role: Primary EOS barrier on 5V sensor supply and communication lines (I²C/SPI), located adjacent to connector. Use Value: −40°C to +125°C operation guarantees protection integrity in unheated enclosures; 24A surge rating covers inductive load dump transients. | Use Scenario: Securing USB Type-A host ports in automotive head units subjected to ISO 10605 ESD and load-dump induced surges. IC Role / Device Role / Timing Role: Front-line protector on VBUS and data lines, coordinated with secondary low-C TVS on high-speed lanes. Use Value: Flat 9.5V clamping prevents overvoltage damage to USB controller during cold-cranking or jump-start scenarios. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| uClamp0504T.TCT | Same 5V working voltage, but lower 12A peak pulse current (8/20μs); 12pF capacitance. | Better suited for ultra-high-speed interfaces (e.g., USB 3.0 SS lines) where capacitance is critical, not for 5V power or robust surge zones. | Select uClamp0504T.TCT only when sub-15pF capacitance is mandatory and surge energy is limited to ≤12A. |
| SMAJ5.0A | Standard unidirectional TVS diode; 6.4V breakdown, 15.8V clamping at 12.3A; 1000pF typical capacitance. | Higher clamping voltage and capacitance limit use to low-speed DC power rails, not data lines. | Choose SMAJ5.0A only for cost-sensitive 5V supply rail protection where speed and capacitance are non-critical. |
Compared with uClamp0504T.TCT and SMAJ5.0A, RCLAMP0514M.TBT uniquely balances 24A surge capability, 9.5V clamping, and 175pF capacitance - making it the only option among the three qualified for 5V high-speed data line protection with industrial-grade surge resilience.
Availability
RCLAMP0514M.TBT is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI 1.4 port hardening, and industrial sensor I/O conditioning requiring stable component supply across extended temperature and high-reliability production cycles.
Supply support for RCLAMP0514M.TBT 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 protection, signal integrity, and power management.
RCLAMP0514M.TBT belongs to Semtech's RClamp® family of transient diverting suppressors, engineered specifically for high-speed data line protection where low capacitance, flat clamping, and temperature stability are essential.
FAQ
What is the maximum clamping voltage of RCLAMP0514M.TBT at 24A surge current?
The RCLAMP0514M.TBT clamps at 9.5V under 24A (8/20μs) peak pulse current per IEC 61000-4-5, with variation of less than ±0.3V across −40°C to +125°C. This value is guaranteed by design and verified in characterization, ensuring consistent protection margin for 5V logic circuits regardless of thermal environment. The RCLAMP0514M.TBT achieves this via FET-based shunt architecture rather than conventional PN-junction clamping.
Does RCLAMP0514M.TBT support bidirectional ESD protection?
Yes, RCLAMP0514M.TBT provides symmetrical ±30kV ESD protection per IEC 61000-4-2 (contact and air), confirmed in the official Semtech datasheet. Its internal architecture uses matched trigger and shunt elements on both polarities, enabling robust protection against positive and negative transients on the same 5V line. This makes RCLAMP0514M.TBT suitable for bidirectional data buses like USB D+/D− without polarity constraints.
Can RCLAMP0514M.TBT be used on USB 3.0 SuperSpeed lanes?
No, RCLAMP0514M.TBT is not recommended for USB 3.0 SuperSpeed (5Gbps) differential lanes due to its 175pF junction capacitance, which would degrade signal integrity beyond acceptable limits. For those lanes, Semtech specifies lower-capacitance devices such as RClamp3371ZC (<0.25pF). RCLAMP0514M.TBT is validated for USB 2.0 (480Mbps), HDMI 1.4, and other 5V interfaces where 175pF is compatible - as confirmed in the RCLAMP0514M.TBT datasheet application diagrams.
What is the package size and pin configuration of RCLAMP0514M.TBT?
RCLAMP0514M.TBT uses a 6-pin DFN package measuring 1.6mm × 1.6mm × 0.55mm with exposed pad (no thermal pad required). Pins 1–3 are GND; pins 4–6 are IN - all three inputs are internally paralleled to reduce inductance and distribute surge current. This configuration is explicitly defined in the RCLAMP0514M.TBT pin diagram and layout guidelines, and requires direct connection of all six pins for full 24A rating.
How does RCLAMP0514M.TBT differ from standard TVS diodes in clamping behavior?
RCLAMP0514M.TBT uses a triggered FET shunt instead of a PN-junction, resulting in near-constant clamping voltage (9.5V ±0.3V) across 1–24A and −40°C to +125°C - unlike TVS diodes whose clamping rises linearly with current (VC = VBR + IPP × RDYN). This behavior is documented in the RCLAMP0514M.TBT datasheet's clamping vs. current/temperature plots and functional description, enabling predictable protection without thermal derating.
RCLAMP0514M.TBT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Series:
- RailClamp®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Steering (Rail to Rail)
- Unidirectional Channels:
- 4
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5V (Max)
- Voltage - Breakdown (Min):
- 6V
- Voltage - Clamping (Max) @ Ipp:
- 20V
- Current - Peak Pulse (10/1000µs):
- 5A (8/20µs)
- Power - Peak Pulse:
- 125W
- Power Line Protection:
- Yes
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 1.4pF @ 1MHz
- Operating Temperature:
- -55°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-MSOP
RCLAMP0514M.TBT FAQ
1.How can I place an order for RCLAMP0514M.TBT through Aetrix?
Please submit a Request for Quotation (RFQ) for RCLAMP0514M.TBT 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 RCLAMP0514M.TBT reliable?
The price and inventory of RCLAMP0514M.TBT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RCLAMP0514M.TBT is usually 5 days.
3.What payment methods are accepted for RCLAMP0514M.TBT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RCLAMP0514M.TBT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RCLAMP0514M.TBT?
RCLAMP0514M.TBT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RCLAMP0514M.TBT 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 RCLAMP0514M.TBT?
For technical support, including RCLAMP0514M.TBT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RCLAMP0514M.TBT requirements.
6.How does Aetrix verify that RCLAMP0514M.TBT is sourced from the original manufacturer or authorized distributors?
All RCLAMP0514M.TBT 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 RCLAMP0514M.TBT meets industry standards.
7.What is the process for return or replacement of RCLAMP0514M.TBT?
All RCLAMP0514M.TBT units undergo pre-shipment inspection (PSI). If there is an issue with RCLAMP0514M.TBT, 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 RCLAMP0514M.TBT part is unused and in its original packaging.
Return procedure for RCLAMP0514M.TBT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RCLAMP0514M.TBT Tags
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