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Semtech Corporation RCLAMP0521Z.TFT
- Part No.:
- RCLAMP0521Z.TFT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 0201 (0603 Metric)
- Datasheet:
-
RCLAMP0521Z.TFT.pdf
- Description:
- TVS DIODE 5VWM 15VC SLP0603P2X3
- Quantity:
- Payment:
- Shipping:
Inventory:28,881
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Product details
Overview
RClamp0521Z.TFT from Semtech is a single-line, ultra-low-capacitance ESD protection diode in SLP0603P2X3 package, rated for ±5V working voltage, 0.35pF typical capacitance, 0.90Ω dynamic resistance, and ±17kV contact/±25kV air IEC 61000-4-2 ESD immunity-designed for HDMI 1.4, USB 2.0, and LVDS high-speed data line protection in portable electronics.
For engineers reviewing the RClamp0521Z.TFT datasheet, pinout, applications, or equivalent options, key selection criteria include sub-0.4pF capacitance for >5GHz signal integrity, 2-pin compact footprint (0.6 × 0.3 mm), low clamping voltage (15V at 4A), NiAu lead finish, and compliance with HDMI 1.3/1.4, MHL, and eSATA interface requirements.
Technical Context
The RClamp0521Z.TFT uses solid-state silicon-avalanche technology to deliver fast ESD response without degradation over 1000+ strikes. Its 0.35pF junction capacitance minimizes signal distortion on high-frequency interfaces such as USB 2.0 (480 Mbps) and HDMI 1.4 (up to 3.4 Gbps).
It operates at ±5V working voltage with <10nA reverse leakage at VR = 5V and clamps to 15V (typ) at 4A TLP current. The device is unidirectional, two-terminal, and optimized for board-level protection where discrete line-by-line shielding is required instead of array-based solutions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | ±5V - matches standard USB/HDMI/LVDS supply rails without level-shifting circuitry |
| Junction Capacitance | 0.35pF typ @ 1MHz, VR = 0V - enables use on >5GHz differential pairs with negligible insertion loss |
| ESD Withstand | ±17kV contact / ±25kV air per IEC 61000-4-2 - exceeds Level 4 system-level ESD immunity requirements |
| Clamping Voltage | 15V typ @ IPP = 4A (8/20μs) - limits transient overvoltage to safe levels for downstream 5V-tolerant PHYs |
| Dynamic Resistance | 0.90Ω typ - ensures low-voltage overshoot during fast ESD events |
| Reverse Leakage | <10nA typ @ VR = 5V - prevents DC loading on high-impedance signal lines |
| Package | SLP0603P2X3 (0.6 × 0.3 × 0.25 mm) - 0201-equivalent footprint compatible with fine-pitch automated placement |
Pinout & Package
SLP0603P2X3 is a 2-pin ultra-small surface-mount package with bottom-terminal configuration. Dimensions: 0.62 mm length × 0.32 mm width × 0.25 mm height (nominal). Lead finish: matte NiAu. RoHS/WEEE compliant, UL 94V-0 molding compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode | Connected to protected signal line; forms cathode-to-ground path during positive ESD transients |
| Pin 2 | Cathode | Connected to system ground plane; provides low-impedance discharge path for both polarities via avalanche breakdown |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low capacitance | 0.35pF typical - preserves signal integrity on 5+ GHz interfaces like HDMI 1.4 and PCIe Gen1 |
| High ESD robustness | Withstands ≥1000 IEC 61000-4-2 Level 4 strikes - supports long-term reliability in consumer handhelds |
| Compact 0201-equivalent footprint | 0.6 × 0.3 mm body - enables routing through vias or placement adjacent to connector pins without trace stubs |
| Low clamping voltage | 15V @ 4A TLP - protects 5V-tolerant SerDes receivers without requiring additional series impedance |
| NiAu lead finish | Lead-free, solderable with standard SnAgCu reflow profiles - ensures reliable interconnect in high-volume SMT assembly |
Applications
| HDMI 1.4 Interface Protection | USB 2.0 Data Line Protection |
|---|---|
Use Scenario: Protecting TMDS clock and data pairs in ultra-thin tablets and mobile monitors against user-handling ESD. IC Role / Device Role / Timing Role: Discrete unidirectional TVS diode placed directly at HDMI connector, shunting ESD energy to chassis ground before entering the retimer or display controller. Use Value: 0.35pF capacitance avoids measurable eye diagram degradation at 3.4 Gbps, while ±17kV contact rating meets IEC 61000-4-2 system-level compliance. | Use Scenario: Shielding D+ and D− lines in smartphone docking stations and OTG adapters from cable-discharge events. IC Role / Device Role / Timing Role: Single-line ESD clamp mounted within 3 mm of USB micro-B receptacle, minimizing loop inductance for sub-1ns transient suppression. Use Value: 0.90Ω dynamic resistance ensures clamping occurs before 5V PHY damage threshold is exceeded, preserving full-speed USB 2.0 link training. |
| LVDS Display Interface | MHL Signal Path Protection |
Use Scenario: Guarding 100Ω differential LVDS video links between AP and AMOLED driver ICs in foldable smartphones. IC Role / Device Role / Timing Role: One RClamp0521Z.TFT per LVDS pair (anode to positive line, cathode to ground), placed adjacent to source-side driver output pins. Use Value: Sub-0.4pF capacitance prevents common-mode noise coupling and maintains >800 MHz bandwidth required for WQHD timing. | Use Scenario: Securing MHL Alt Mode lanes on USB-C ports in premium notebooks against hot-plug ESD during cable insertion. IC Role / Device Role / Timing Role: Discrete line protection on each MHL differential pair (CBUS, ML_HPD, MHL_TX/RX), co-located with E-mark IC decoupling. Use Value: ±25kV air discharge rating handles worst-case human-body-model surges without latch-up, ensuring MHL link negotiation reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD1E05U06DPYR | 0.45pF capacitance, ±5.5V working voltage, 12V clamping @ 4A, 0.75Ω dynamic resistance | Slightly higher capacitance; optimized for USB Type-C CC line protection with integrated 5.1kΩ pull-down | Select when dual-function (ESD + bias resistor) integration reduces BOM count on CC/DFP lines |
| ESD5Z5.0ST5G | 0.65pF capacitance, ±5V working voltage, 14.5V clamping @ 4A, 1.2Ω dynamic resistance, SOD-523 package (1.2 × 0.8 mm) | Larger footprint; lower ESD rating (±12kV contact); suited for cost-sensitive industrial UI ports | Select when PCB space allows larger package and system-level ESD requirement is ≤Level 3 |
Compared with TPD1E05U06DPYR and ESD5Z5.0ST5G, the RClamp0521Z.TFT delivers the lowest capacitance (0.35pF) and smallest footprint (0.6 × 0.3 mm) among these three, making it optimal for space-constrained, multi-gigabit interfaces where signal fidelity is critical.
Availability
RClamp0521Z.TFT is available at Aetrix Electronics and suitable for HDMI 1.4, USB 2.0, and LVDS display applications requiring stable component supply, consistent parametric performance across production lots, and long-term lifecycle support for portable consumer electronics.
Supply support for RClamp0521Z.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 semiconductor company specializing in analog and mixed-signal ICs for precision sensing, power management, and protection solutions.
The RClamp® product line was developed specifically for high-speed data interface protection, targeting portable electronics where minimal capacitance, ultra-small size, and repeatable ESD robustness are mandatory design constraints.
FAQ
What is the exact package type and dimensions of RClamp0521Z.TFT?
RClamp0521Z.TFT uses the SLP0603P2X3 package: 0.62 mm × 0.32 mm × 0.25 mm (L × W × H), with nominal pitch of 0.355 mm between terminals. It is a 2-pin, bottom-terminal, lead-free device with NiAu plating, conforming to JEDEC MO-252 variant standards for ultra-miniature TVS diodes.
Does RClamp0521Z.TFT support bidirectional ESD protection?
No, RClamp0521Z.TFT is a unidirectional ESD protection device. It conducts only during positive transients on the anode (Pin 1) relative to cathode (Pin 2). For bidirectional protection, two devices must be used in back-to-back configuration, or a dedicated bidirectional part like RClamp0522Z.TFT should be selected.
What is the maximum peak pulse current RClamp0521Z.TFT can handle per IEC 61000-4-2?
RClamp0521Z.TFT is rated for ±17kV contact and ±25kV air discharge per IEC 61000-4-2. While not specified as a peak current value, its clamping behavior at 4A TLP (transmission line pulse) corresponds to ~30A peak for 8/20μs waveform, validated across ≥1000 stress cycles without parameter shift.
Can RClamp0521Z.TFT be used on 3.3V logic interfaces?
Yes, RClamp0521Z.TFT has a ±5V working voltage, making it fully compatible with 3.3V systems. Its low reverse leakage (<10nA at 5V) ensures negligible loading on 3.3V I/Os, and its 15V clamping voltage provides ample margin above 3.3V rail limits, protecting downstream buffers and transceivers.
Is RClamp0521Z.TFT compliant with automotive AEC-Q200?
No, RClamp0521Z.TFT is not AEC-Q200 qualified. It is designed and characterized for commercial portable electronics applications. For automotive-grade ESD protection, Semtech offers the AEC-Q200-qualified RClamp0524PQ series, which shares similar electrical specs but undergoes extended temperature cycling and humidity testing.
RCLAMP0521Z.TFT 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):
- 5V (Max)
- Voltage - Breakdown (Min):
- 6V
- Voltage - Clamping (Max) @ Ipp:
- 15V
- Current - Peak Pulse (10/1000µs):
- 4A (8/20µs)
- Power - Peak Pulse:
- 100W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 0.35pF @ 1MHz
- Operating Temperature:
- -55°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SLP0603P2X3
RCLAMP0521Z.TFT FAQ
1.How can I place an order for RCLAMP0521Z.TFT through Aetrix?
Please submit a Request for Quotation (RFQ) for RCLAMP0521Z.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 RCLAMP0521Z.TFT reliable?
The price and inventory of RCLAMP0521Z.TFT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RCLAMP0521Z.TFT is usually 5 days.
3.What payment methods are accepted for RCLAMP0521Z.TFT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RCLAMP0521Z.TFT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RCLAMP0521Z.TFT?
RCLAMP0521Z.TFT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RCLAMP0521Z.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 RCLAMP0521Z.TFT?
For technical support, including RCLAMP0521Z.TFT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RCLAMP0521Z.TFT requirements.
6.How does Aetrix verify that RCLAMP0521Z.TFT is sourced from the original manufacturer or authorized distributors?
All RCLAMP0521Z.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 RCLAMP0521Z.TFT meets industry standards.
7.What is the process for return or replacement of RCLAMP0521Z.TFT?
All RCLAMP0521Z.TFT units undergo pre-shipment inspection (PSI). If there is an issue with RCLAMP0521Z.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 RCLAMP0521Z.TFT part is unused and in its original packaging.
Return procedure for RCLAMP0521Z.TFT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RCLAMP0521Z.TFT Tags
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