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Semtech Corporation RCLAMP0531Z.TFT
- Part No.:
- RCLAMP0531Z.TFT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 0201 (0603 Metric)
- Datasheet:
-
RCLAMP0531Z.TFT.pdf
- Description:
- TVS DIODE 5VWM 20VC
- Quantity:
- Payment:
- Shipping:
Inventory:5,753
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Product details
Overview
RCLAMP0531Z.TFT from Semtech is a single-line, ultra-low-capacitance TVS diode for high-speed ESD protection of 5V data lines, featuring 0.30 pF typical capacitance, ±12 kV (contact) / ±15 kV (air) IEC 61000-4-2 rating, and 0.67 Ω dynamic resistance - deployed in RF antenna, USB 2.0, and GPS interfaces.
For engineers reviewing the RCLAMP0531Z.TFT datasheet, pinout, applications, or equivalent options, key selection criteria include sub-0.4 pF capacitance at 1 GHz, 5 V working voltage, SLP0603P2X3B 0201 package compatibility, and verified 3 A 8/20 µs surge capability.
Technical Context
RCLAMP0531Z.TFT uses silicon-avalanche TVS technology to clamp transient voltages with fast response and no degradation over repeated strikes. Its bidirectional structure protects AC-coupled or differential lines without polarity constraints.
The device operates at 5 V standoff (VRWM), breaks down at 7–11 V (VBR), and clamps to ≤21 V under 16 A TLP stress. Its 0.30 pF junction capacitance at 1 MHz and stable performance up to 5 GHz enable use in high-frequency signal paths without insertion loss.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Rating | ±12 kV contact / ±15 kV air per IEC 61000-4-2 - ensures robust board-level immunity in handheld and portable devices. |
| Junction Capacitance | 0.30 pF typical at 1 MHz, 0.40 pF at 1 GHz - preserves signal integrity on >5 GHz RF and high-speed digital lines. |
| Clamping Voltage | 20 V max at 3 A (8/20 µs); 21 V at 16 A TLP - limits voltage overshoot during surge events to protect downstream ICs. |
| Dynamic Resistance | 0.67 Ω typical - minimizes voltage rise under fast transients, improving clamping precision. |
| Leakage Current | <5 nA at VR = 5 V - avoids DC loading or bias shift in sensitive analog/RF front-ends. |
| Package | SLP0603P2X3B (0.6 × 0.3 × 0.25 mm) - enables placement on dense RF modules and antenna feedlines where space is constrained. |
Pinout & Package
SLP0603P2X3B is a 2-pin, bottom-terminal, lead-free NiAu-finished package measuring 0.6 mm × 0.3 mm × 0.25 mm. Pin 1 and Pin 2 are symmetrical terminals for bidirectional ESD protection across a single line.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode/Cathode (bidirectional) | Interconnects to protected signal line; no polarity assignment required due to symmetric avalanche structure. |
| Pin 2 | Anode/Cathode (bidirectional) | Connects to system ground or reference plane; completes low-inductance path for ESD current diversion. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low capacitance | 0.30 pF typical enables use on 5+ GHz RF paths (e.g., GPS L1, FM, MHL) without measurable signal attenuation. |
| High ESD endurance | Withstands ≥1000 IEC 61000-4-2 Level 4 strikes - supports long-term reliability in field-deployed consumer electronics. |
| Sub-millimeter footprint | 0.6 × 0.3 mm body size allows placement directly at antenna feedpoint or connector entry, minimizing stub inductance. |
| Bidirectional clamping | Symmetric VBR (7–11 V) and VC behavior eliminates need for polarity-aware layout in AC-coupled or differential interfaces. |
Applications
| RF Antenna Protection | USB 2.0 Data Line |
|---|---|
Use Scenario: Protecting cellular/GPS/FM antenna feedlines from electrostatic discharge during handling or operation. IC Role / Device Role / Timing Role: Bidirectional TVS diode placed in series with antenna trace to shunt ESD energy to ground before reaching RF front-end LNA. Use Value: 0.30 pF capacitance prevents detuning of 1.575 GHz GPS or 900 MHz cellular bands; ±15 kV air rating covers worst-case human-body model exposure. | Use Scenario: Safeguarding D+ and D− lines of USB 2.0 ports against ESD events during cable insertion or hot-plug. IC Role / Device Role / Timing Role: Single-line ESD suppressor mounted adjacent to USB connector, clamping transients before they reach USB transceiver PHY. Use Value: Low dynamic resistance (0.67 Ω) ensures rapid voltage collapse during 1–3 A ESD pulses, limiting peak stress on PHY I/O to <20 V. |
| MHL Interface | Portable Digital Camera Modules |
Use Scenario: Shielding Mobile High-Definition Link (MHL) video/data lines in smartphones and tablets from ESD-induced pixel corruption or link dropouts. IC Role / Device Role / Timing Role: One RCLAMP0531Z.TFT per MHL differential pair (e.g., CLK, CH0+, CH0−), placed at connector side. Use Value: Sub-0.4 pF capacitance preserves 3 Gbps MHL signal integrity; 5 V working voltage matches MHL common-mode range. | Use Scenario: Protecting image sensor interface lines (e.g., MIPI CSI-2 clock/data) in compact camera modules from assembly- and user-induced ESD. IC Role / Device Role / Timing Role: Point-of-entry ESD clamp on high-speed parallel or serial sensor bus traces, routed to local ground plane. Use Value: 0.25 mm height and 0.6 × 0.3 mm footprint fit within tight camera module PCB real estate; ±12 kV contact rating exceeds IEC 61000-4-2 compliance requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD1E05U06DPYR | 0.45 pF typical capacitance; 5.5 V VRWM; 1.2 Ω RDYN | Higher capacitance limits use to ≤3 GHz; higher clamping voltage (24 V @ 3 A) | Preferred when slightly higher leakage tolerance (<10 nA) and TI ecosystem support are prioritized over RF bandwidth. |
| SP1001-01UTG | 0.25 pF typical capacitance; 5.5 V VRWM; 0.5 Ω RDYN; 12 kV contact rating only | Lower capacitance benefits >6 GHz mmWave paths; reduced ESD margin vs. RCLAMP0531Z.TFT's ±15 kV air rating | Selected for ultra-high-frequency designs where minimal capacitive loading outweighs need for maximum air-gap ESD immunity. |
Compared with TPD1E05U06DPYR and SP1001-01UTG, RCLAMP0531Z.TFT delivers the optimal balance of 0.30 pF capacitance, ±15 kV air ESD rating, and 0.67 Ω dynamic resistance - making it especially suited for GPS, FM, and MHL interfaces where both RF fidelity and robustness are critical.
Availability
RCLAMP0531Z.TFT is available at Aetrix Electronics and suitable for RF antenna modules, USB 2.0 ports, and portable GPS receivers requiring stable component supply and consistent tape-and-reel delivery.
Supply support for RCLAMP0531Z.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 fabless semiconductor company specializing in analog and mixed-signal ICs for power management, protection, sensing, and connectivity.
RCLAMP0531Z.TFT belongs to Semtech's RailClamp® family - engineered specifically for ultra-low-capacitance, high-frequency ESD protection in space-constrained portable electronics and wireless infrastructure.
FAQ
What is the maximum operating frequency supported by RCLAMP0531Z.TFT?
RCLAMP0531Z.TFT supports signal paths up to 5 GHz without significant attenuation, validated by its 0.30 pF capacitance at 1 MHz and 0.40 pF at 1 GHz, plus measured S21 insertion loss data showing <0.5 dB loss up to 5 GHz. This makes RCLAMP0531Z.TFT suitable for GPS L1 (1.575 GHz), FM radio (87–108 MHz), and USB 2.0 (480 Mbps) applications.
Does RCLAMP0531Z.TFT require orientation during PCB placement?
No - RCLAMP0531Z.TFT is a bidirectional TVS device with symmetrical electrical characteristics between Pin 1 and Pin 2. Its SLP0603P2X3B package has no polarity marking or functional asymmetry, so orientation does not affect ESD protection performance. The dot matrix marking indicates date code and Pin 1 location but carries no circuit significance.
What is the peak pulse current rating of RCLAMP0531Z.TFT under standard test conditions?
RCLAMP0531Z.TFT is rated for 3 A peak pulse current (IPP) using the 8/20 µs waveform per IEC 61000-4-5. At this current, its clamping voltage remains ≤20 V. It also withstands up to 16 A under Transmission Line Pulse (TLP) testing (0.2/100 ns), with clamping voltage ≤21 V - confirming robust transient suppression capability beyond standard surge ratings.
Can RCLAMP0531Z.TFT be used in automotive applications?
RCLAMP0531Z.TFT operates from −55 °C to +125 °C and meets RoHS/WEEE requirements, but it is not AEC-Q200 qualified. For automotive infotainment or telematics modules requiring ESD protection, RCLAMP0531Z.TFT may be used in non-safety-critical subsystems if validated per system-level EMC testing; however, Semtech does not guarantee automotive-grade qualification for RCLAMP0531Z.TFT.
How many ESD strikes can RCLAMP0531Z.TFT survive before performance degradation?
RCLAMP0531Z.TFT is tested to withstand over 1000 ESD strikes at IEC 61000-4-2 Level 4 (±8 kV contact, ±15 kV air) without parameter shift or failure. This endurance is enabled by solid-state silicon-avalanche construction and absence of wear-out mechanisms found in polymer or multilayer varistor technologies - ensuring long-term reliability in high-touch consumer devices.
RCLAMP0531Z.TFT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 0201 (0603 Metric)
- Series:
- RailClamp®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 5V (Max)
- Voltage - Breakdown (Min):
- 7V
- Voltage - Clamping (Max) @ Ipp:
- 21V (Typ)
- Current - Peak Pulse (10/1000µs):
- 3A (8/20µs)
- Power - Peak Pulse:
- 60W
- Power Line Protection:
- No
- Applications:
- USB
- Capacitance @ Frequency:
- 0.3pF @ 1MHz
- Operating Temperature:
- -55°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SLP0603P2X3B
RCLAMP0531Z.TFT FAQ
1.How can I place an order for RCLAMP0531Z.TFT through Aetrix?
Please submit a Request for Quotation (RFQ) for RCLAMP0531Z.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 RCLAMP0531Z.TFT reliable?
The price and inventory of RCLAMP0531Z.TFT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RCLAMP0531Z.TFT is usually 5 days.
3.What payment methods are accepted for RCLAMP0531Z.TFT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RCLAMP0531Z.TFT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RCLAMP0531Z.TFT?
RCLAMP0531Z.TFT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RCLAMP0531Z.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 RCLAMP0531Z.TFT?
For technical support, including RCLAMP0531Z.TFT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RCLAMP0531Z.TFT requirements.
6.How does Aetrix verify that RCLAMP0531Z.TFT is sourced from the original manufacturer or authorized distributors?
All RCLAMP0531Z.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 RCLAMP0531Z.TFT meets industry standards.
7.What is the process for return or replacement of RCLAMP0531Z.TFT?
All RCLAMP0531Z.TFT units undergo pre-shipment inspection (PSI). If there is an issue with RCLAMP0531Z.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 RCLAMP0531Z.TFT part is unused and in its original packaging.
Return procedure for RCLAMP0531Z.TFT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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