ESDA25B1RL - 25V 150W Bidirectional TVS Array | STMicroelectronics
Teilenummer: ESDA25B1RL ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $0.6507 | $0,65 |
| 10 | $0.6507 | $6,51 |
| 100 | $0.6507 | $65,07 |
| 500 | $0.6507 | $325,35 |
| 1.000 | $0.6507 | $650,70 |
ESDA25B1RL Übersicht
A TVS diode array is a discrete circuit-protection semiconductor that diverts transient current away from sensitive circuitry while presenting low capacitance to high-speed signals. The ESDA25B1RL belongs to the ESD protection diode-array category and combines six bidirectional suppression functions on one monolithic device. Bidirectionality permits operation when the protected signal polarity can reverse.
The verified product information identifies a 25 V device and 150 W pulse-power rating. Its low 20 pF capacitance helps limit loading on protected transmission lines, making the array suitable where signal integrity is more important than a higher-capacitance general-purpose suppressor. The surface-mount 8-SOIC construction supports compact PCB layouts and automated assembly.
The monolithic array protects components connected to communication, data, and interface lines by providing multiple ESD paths in one package. Its exact protection-channel assignments, working voltages, clamping values, response behavior, and automotive qualification status must be confirmed in the manufacturer datasheet before final circuit release. The available verified snippets do not provide a complete numerical electrical table.
Typical uses include protecting low-voltage serial interfaces, control lines, communication transceivers, and other external connector-facing circuitry. Engineers should place the suppressor close to the connector or protected interface, connect each intended signal to its designated array channel, and provide a low-impedance return path so transient current does not flow through sensitive board traces.
The main design trade-off is capacitance versus surge protection: the 20 pF VRM value is useful for lower-capacitance interfaces, but it is not zero. Validate edge-rate, attenuation, and logic-level behavior in the complete system. Confirm pin mapping and maximum working voltages from the manufacturer datasheet before PCB release.
This page consolidates verified manufacturer and distributor information, price and availability references, drop-in alternatives, and application-specific design guidance. Missing electrical values are explicitly marked for data completion rather than inferred from the distributor snippets.
Drop-in-Alternativen für ESDA25B1RL – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
ESDA25B1RL
✅ Drop-In✓ Auf Lager
$0.6507 / Stück
Datenblatt ansehen →ESDA25B1
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
ESDA25B1ST
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
ESDA25B1RL-TR
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
ESDA25B1R
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
ESDA25B1RL Technische Daten
| Product Type | Bidirectional TVS diode array |
| Number of Suppression Functions | 6 bidirectional functions |
| Rated Voltage | 25 V |
| Pulse Power | 150 W |
| Capacitance | 20 pF at VRM |
| Protection Type | Electrostatic discharge protection |
| Topologie | Monolithic |
| Signal Direction | Bidirectional |
| Gehäuse | 8-SOIC surface-mount |
| Montageart | Surface Mount |
| Manufacturer | STMicroelectronics |
| Application Category | ESD protection diodes / TVS diodes |
| Recommended Protection Location | Data and transmission lines |
ESDA25B1RL 8-soic surface-mount Pinbelegungsleitfaden
Pinbelegung für ESDA25B1RL (8-soic surface-mount-Gehäuse). Pin-Nummerierung, Funktionen und Anschlussdiagramme sind im Herstellerdatenblatt definiert. Entnehmen Sie diesem den genauen Footprint und Lötrichtlinien.
Keine detaillierten Pinbelegungsdaten verfügbar für ESDA25B1RL.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
ESDA25B1RL ist geeignet für 6 Anwendungs: Serial Communication-Line ESD Protection, USB-to-Serial Interface Protection, Microcontroller Communication Ports, Industrial Control and Sensor Wiring, Communication Transceiver Input Protection, Low-Voltage External Connector Protection.
Serial Communication-Line ESD Protection
The ESDA25B1RL is suitable for protecting external serial communication lines whose conductors leave a connector or enclosure. Its 6 bidirectional suppression functions allow one monolithic package to cover several data or transmission paths, while the 20 pF capacitance at VRM helps limit loading compared with larger-capacitance protection devices. Place the array near the connector entry, connect each intended line to its designated channel, and route the return path directly to a nearby ground plane. Verify the exact line voltage and datasheet clamp limits before applying it to an RS-232, UART, or similar interface.
Empfohlen
USB-to-Serial Interface Protection
The ESDA25B1RL can be evaluated for USB-to-serial bridges such as CP2102-GMR where a cable or connector exposes the board to ESD events. The 20 pF capacitance at VRM is a meaningful consideration for low-capacitance USB signal routing, although the complete input capacitance must still be checked against the transceiver and connector. Use the protector at the physical entry point, keep traces short, and confirm USB data-line voltage, bandwidth, leakage, and system ESD requirements from the relevant device datasheets before production release.
Empfohlen
Microcontroller Communication Ports
The ESDA25B1RL is appropriate for connector-facing communication ports on microcontroller boards, where cables can introduce electrostatic discharge into signal traces. Its 6 bidirectional functions help protect multiple low-voltage lines in a single 8-SOIC package, reducing the number of discrete protection placements. The design benefit depends on correct channel mapping and a low-impedance transient path; connect the array close to the external connector and keep the protected trace away from unprotected circuitry. Verify logic thresholds, leakage, and working voltage against the microcontroller's absolute maximum ratings.
Empfohlen
Industrial Control and Sensor Wiring
The ESDA25B1RL can help protect low-voltage control or sensor wiring connected to an industrial controller when the wiring is exposed to ESD events. Bidirectional channels are useful for signal pairs and control lines whose polarity is not strictly positive, while the monolithic array simplifies protection of several nets around an enclosure entry. Its 20 pF capacitance must remain compatible with the signal bandwidth, and the protection current should be diverted into a solid ground reference. Confirm industrial temperature, isolation, and transient requirements before using the device outside the manufacturer's specified conditions.
Empfohlen
Communication Transceiver Input Protection
ESDA25B1RL is a candidate for protection around communication transceivers whose receive or control pins connect to external cabling. The array's bidirectional ESD suppression can reduce the chance that connector transients reach sensitive transceiver inputs, while its low-capacitance value helps preserve signal quality on faster interfaces. Placement and channel assignment must follow the exact pinout because the 8-SOIC device contains multiple protection paths. Verify transceiver absolute maximum ratings, signal bandwidth, isolation requirements, and the array's leakage and clamp specifications before finalizing the schematic.
Empfohlen
Low-Voltage External Connector Protection
The ESDA25B1RL is suited to low-voltage external connectors in consumer, industrial, and instrumentation equipment where cable transients are possible. Placing the array directly beside the connector can keep the ESD current on a short path and away from sensitive logic, while 6 bidirectional functions support multiple protected conductors. The device is not a complete surge-protection solution for every system; connector grounding, chassis bonding, fuse coordination, and enclosure design may also be required. Validate the nominal signal voltage and maximum clamp voltage for every protected net.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für ESDA25B1RL – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | ESDA25B1RL | ESDA25B1 | ESDA25B1ST | ESDA25B1RL-TR | ESDA25B1R |
|---|---|---|---|---|---|---|
| Package | 8-SOIC | 8-SOIC | 8-SOIC family listing | 8-SOIC family candidate | 8-SOIC family candidate | 8-SOIC family candidate |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
Wichtigste Unterscheidungsmerkmale
- Integrated six-channel protection (vs. ESDA25B1ST)
- Low stated capacitance for a TVS array (vs. ESDA25B1)
- Verified commercial rating (vs. ESDA25B1R)
Designhinweise
Place ESDA25B1RL immediately adjacent to the connector or cable entry where the ESD transient enters the PCB. Keep each protected trace short and connect the suppressor return to a nearby, low-impedance ground reference. A distant protection device leaves a long unprotected trace that can allow the transient to propagate toward the protected IC. Confirm the exact channel pin mapping from the STMicroelectronics ESDA25B1 datasheet before routing copper.
The verified 20 pF capacitance at VRM is not zero capacitance. For high-speed data lines, include the device capacitance together with connector, pad, trace, receiver, and driver capacitance when checking edge rate and attenuation. Use the protector only when the resulting loading remains within the interface specification. The nominal 25 V and 150 W ratings do not by themselves establish USB, Ethernet, LVDS, or other high-speed signal compatibility.
Treat the 150 W figure as a pulse-power rating, not a continuous power-dissipation value. Before design release, confirm the applicable ESD pulse waveform, number of channels involved, repetition rate, ambient temperature, and package thermal limits in the manufacturer datasheet. If multiple protected lines can receive simultaneous events, verify whether the device rating applies per line or to the entire array and size the ground return path accordingly.
Compliance-Informationen
The supplied verified product snippets do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown until confirmed from the manufacturer product page or datasheet.
