PRTR5V0U2X - Ultra-Low Capacitance Rail-to-Rail ESD Diode | Nexperia
N.º de pieza: PRTR5V0U2X ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $0.48 | $0,48 |
| 10 | $0.42 | $4,20 |
| 100 | $0.34 | $34,00 |
| 500 | $0.27 | $135,00 |
| 1.000 | $0.21 | $210,00 |
PRTR5V0U2X Descripción general
What is an ESD protection diode? An ESD protection diode (also called a TVS - Transient Voltage Suppressor - diode) is a semiconductor device that sharts transient overvoltage events to ground, protecting sensitive downstream ICs. Rail-to-rail topologies clamp both positive and negative transients relative to the signal line, making them ideal for AC-coupled or differential interfaces. The PRTR5V0U2X sits in the broader component hierarchy: ESD protection diode -> TVS diode -> discrete semiconductor -> circuit protection component.
Key features include 0.35 pF typical line-to-line capacitance (preserves signal integrity on USB 2.0, HDMI, and high-speed differential links), 8 kV contact ESD discharge per IEC 61000-4-2, and a 5 V reverse working voltage (VRWM). Two channels are integrated in a single SOT143B package, halving PCB real-estate versus single-channel discretes. Internal rail-to-rail steering diodes route current to VCC or GND depending on transient polarity.
Typical applications include protection of USB 2.0/3.0 data lines, HDMI high-speed signal pairs, Mobile High-Definition Link (MHL) interfaces, SIM card sockets, and high-frequency control lines on smartphones, tablets, and consumer peripherals. Designers value its sub-picofarad capacitance because added line capacitance directly attenuates eye-diagram margins on multi-Gbps links.
A key design consideration is placing the PRTR5V0U2X as close as possible to the external connector, between the lines and the chassis-or-board ground reference. Because it draws no bias current, the device adds negligible quiescent load to battery-powered designs, but trace stubs beyond the diode must be minimized to prevent impedance discontinuities above 1 GHz.
This page synthesizes distributor pricing, parametric drop-in alternatives, IEC 61000-4-2 test condition references, and practical layout guidance not found in the manufacturer datasheet alone.
Alternativas directas para PRTR5V0U2X — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PRTR5V0U2X (mismo factor de forma y huella) — difiere en Direction, Package.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PRTR5V0U2X,215
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →PRTR5V0U2X-QR
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →CM1293A-02SR
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
CM1213A-02SO
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PRTR5V0U2X Valores máximos y características eléctricas
| Manufacturer | Nexperia (formerly NXP Semiconductors) |
| Part Number | PRTR5V0U2X |
| Description | Ultra-low capacitance double rail-to-rail ESD protection diode |
| Encapsulado / Carcasa | SOT-143B (SOT-143, 4-pin) |
| Tipo de montaje | Surface Mount |
| Number of Channels | 2 |
| Direction | Unidirectional (rail-to-rail) |
| Reverse Working Voltage (VRWM) | 5 V |
| Breakdown Voltage (VBR) | 6 V to 9 V |
| Clamping Voltage (VC) at 4 A IPP | 18 V (typ.) |
| Peak Pulse Current (IPP) | 4 A (8/20 us) |
| Diode Capacitance (Cd) | 0.35 pF (typ., VR=0 V, f=1 MHz) |
| ESD Contact Discharge | 8 kV (per IEC 61000-4-2) |
| ESD Air Discharge | 15 kV (per IEC 61000-4-2) |
| Temperatura de funcionamiento | -40 C to +85 C |
| Nivel MSL | 1 |
| Estado RoHS | Compliant |
Configuración de pines de PRTR5V0U2X
| Pin 1 | GND — Ground reference for ESD clamping (per datasheet pin configuration) |
| Pin 2 | I/O 1 — Protected signal line 1 / channel 1 ESD interface |
| Pin 3 | I/O 2 — Protected signal line 2 / channel 2 ESD interface |
| Pin 4 | VCC — Supply voltage input for clamping reference (5 V nominal per datasheet) |
Aplicaciones típicas
PRTR5V0U2X es adecuado para 7 aplicacións: USB 2.0 / USB 3.0 High-Speed Data Line Protection, HDMI High-Speed Signal Pair Protection, SIM Card Socket ESD Protection, MHL (Mobile High-Definition Link) Interface Protection, Industrial Control Line Protection, Tablet/Laptop External Connector Protection, Headphone / Audio Jack Protection.
USB 2.0 / USB 3.0 High-Speed Data Line Protection
The PRTR5V0U2X's 0.35 pF typical line-to-line capacitance makes it ideal for protecting the differential data pairs (D+/D-) of USB 2.0 and the super-speed pairs of USB 3.0. Placed between each signal line and the local ground/VCC rail as close as possible to the USB connector, the device shunts ESD transients of up to 8 kV contact discharge (per IEC 61000-4-2) to ground while the sub-picofarad capacitance preserves the eye-diagram margins at 480 Mbps and 5 Gbps. Unlike common 30-pF TVS diodes, it adds negligible loading on the 90-ohm differential pairs, making it the standard protector for phone, tablet, and PC USB ports.
Recomendado
HDMI High-Speed Signal Pair Protection
In HDMI applications, the PRTR5V0U2X protects each of the four TMDS lanes plus the clock pair from ESD damage during plug/unplug events and user touch. Its 0.35 pF capacitance is critical: HDMI 1.4/2.0 link margins above 3 Gbps require line capacitance below 0.5 pF per diode to maintain the 100-ohm differential impedance budget. Per the datasheet, installing a PRTR5V0U2X near each HDMI connector pin-out supports IEC 61000-4-2 8 kV contact discharge levels with minimum impact on signal integrity up to the 6 Gbps HDMI 2.0 limit.
Recomendado
SIM Card Socket ESD Protection
Mobile-phone SIM card sockets are exposed to user contact during card swap, making them a primary ESD risk path. The PRTR5V0U2X's two-channel configuration covers the SIM data and SIM clock lines in a single SOT-143B package, saving PCB area. With 0.35 pF capacitance and 5 V working voltage, it does not attenuate the SIM card's 13.56 MHz signaling or the 1.8 V/3 V interface standard signals. Per the manufacturer datasheet, the device clamps 8 kV contact-discharge transients far below the SIM controller's absolute-maximum rating.
Recomendado
MHL (Mobile High-Definition Link) Interface Protection
MHL links multiplex HDMI-like high-speed data over a single differential micro-USB connector, exposing them to repeated ESD events from cable insertions. The PRTR5V0U2X's 5 V working voltage and 0.35 pF capacitance suit MHL's typical 2.25 Gbps rate, providing protection that does not meaningfully load the AC-coupled MHL signal path. Connecting one PRTR5V0U2X per MHL pair (data+/data-) right at the receptacle pins limits the ESD stress reaching the downstream MHL bridge IC.
Recomendado
Industrial Control Line Protection
Factory-floor PLCs and sensor networks expose communication lines (RS-485, CAN, RS-232) to repetitive ESD through operator panels and field wiring. The PRTR5V0U2X's 5 V working voltage is well below 12 V industrial transients, and its 0.35 pF capacitance does not corrupt the up to 10 Mbps signal rates of modern industrial protocols. Per the datasheet's IEC 61000-4-2 8 kV rating, the PRTR5V0U2X absorbs direct-contact discharges without contacting the line-driver's absolute-maximum ratings, increasing field reliability.
Recomendado
Tablet/Laptop External Connector Protection
External connectors on tablets, laptops, and 2-in-1 devices (USB-C, headphone jacks, dock ports) all see user-induced ESD. The PRTR5V0U2X's small SOT-143B footprint - smaller than a 0201 passive - lets engineers place one near every connector pin without crowding the BOM. With two channels per package and 0.35 pF capacitance, the device is a cost-effective per-pair protector. Per the manufacturer datasheet, adding the PRTR5V0U2X on every external port reduces field-return rates caused by ESD across most consumer-device qualification testing programs.
Recomendado
Headphone / Audio Jack Protection
Headphone jacks (3.5 mm) are notorious ESD entry points in phones and laptops because they are touched during every insert and remove event. The PRTR5V0U2X protects the audio L/R signal lines (and optionally the MIC line) within its two-channel budget. With 0.35 pF capacitance and 5 V working voltage, it does not load the 20 Hz-20 kHz audio band nor the 2 V-RMS line-level audio signals, while its 8 kV contact-discharge protection prevents the codec IC from absorbing user-induced ESD - the most common return reason for consumer-audio devices.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PRTR5V0U2X — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PRTR5V0U2X,215 | PRTR5V0U2X-QR | CM1293A-02SR | CM1213A-02SO |
|---|---|---|---|---|---|
| Brand | Nexperia | Nexperia | Nexperia | onsemi | onsemi |
| Package | SOT-143B (4-pin) | SOT-143B - same | SOT-143B - same | SOT-143B - same | SOT-143B - same |
| Channels | 2 (rail-to-rail) | 2 (rail-to-rail) | 2 (rail-to-rail) | 2 (rail-to-rail) | 2 (rail-to-rail) |
| Reverse Working Voltage (VRWM) | 5 V | 5 V | 5 V | 5 V | 5 V |
| Diode Capacitance (Cd) | 0.35 pF (typ) | 0.35 pF | 0.35 pF | ~0.5 pF | 0.85 pF |
| ESD Contact Discharge (IEC 61000-4-2) | 8 kV | 8 kV | 8 kV | 8 kV | 8 kV |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
Diferenciadores clave
- Industry-leading 0.35 pF capacitance for ultra-low signal distortion (frente a CM1213A-02SO)
- Two rail-to-rail channels per SOT-143B package (frente a PESD5V0U2BT)
- IEC 61000-4-2 8 kV contact / 15 kV air ESD rating (frente a CM1293A-02SR)
Notas de diseño
Place the PRTR5V0U2X as close as possible to the external connector pins (less than 5 mm trace length) to prevent the ESD pulse from coupling into adjacent traces before the diode clamps. Use 90-ohm differential-controlled-impedance routing on USB/HDMI differential pairs and keep the PRTR5V0U2X land pattern symmetrical to avoid imbalance between the two channels. Stitch the GND pin (pin 1) directly to a low-impedance ground plane with at least two vias - the peak surge current of 4 A demands a continuous ground return path to avoid inductive lift in the clamping voltage.
Do not substitute the PRTR5V0U2X with a higher-capacitance TVS (such as 30 pF uni-directional parts) on USB 2.0/HDMI lines - the extra capacitance will close the eye-diagram by attenuating the high-frequency content above 480 Mbps. The 0.35 pF specification is the entire reason for this part's selection on multi-Gbps links. Additionally, do not exceed the 5 V working voltage, as the PRTR5V0U2X will start to conduct under normal bias conditions and degrade the signal. For designs above 5 V lines (such as 12 V RS-485), choose PESD12VL2BT or a similarly rated 12 V part.
The PRTR5V0U2X's SOT-143B land pattern follows the standard 4-pin SOT-143B recommendation: 0.95 mm lead pitch with 0.5 mm wide pads and 0.7 mm pad length. Use a microstrip or stripline-controlled-impedance routing structure behind the connector and treat the diode's land pattern as part of that channel. Mount the VCC pin to the local logic supply rail (typically 3.3 V) through a ferrite bead so that the diode's positive-rail clamping reference does not inject noise into the digital supply. Match the ground via stitching distance within 1.5 mm of the GND pad.
Estimated: At 5 Gbps (USB 3.0 SuperSpeed), an additional 0.35 pF of channel capacitance introduces approximately 8 ps of edge-rate degradation and a 0.8 dB insertion loss. This is well within the USB 3.0 link-budget of 7 dB total channel loss at Nyquist, leaving margin for the connector and PCB traces. Compared with a 30 pF TVS that would burn approximately 22 dB of channel margin at the same frequency, the PRTR5V0U2X preserves about 21 dB of usable link-budget - explaining why sub-picofarad diodes dominate high-speed interface protection designs.
Información de cumplimiento
RoHS compliant per Nexperia product page (SOT-143B package). Not AEC-Q100 qualified - this is a commercial/consumer-grade part. Halogen-free status not explicitly listed on the datasheet excerpt provided.
