Model No: PESD3V3S1UB
Nexperia USA Inc. PESD3V3S1UB
Manufacturer: Nexperia USA Inc.
SEMICON NO.: PESD3V3S1UB
Package: SOD-523 (SC-79)
Stock: In stock
Description: TVS Diode 3.3V 18A 330W
SEMICON NO.: PESD3V3S1UB
Package: SOD-523 (SC-79)
Stock: In stock
Description: TVS Diode 3.3V 18A 330W
Quantity :
| Mfr | Nexperia USA Inc. |
| Device Type | ESD Protection Diode |
| Reverse Stand-Off Voltage | 3.3 V |
| Breakdown Voltage | 5 V (Min) / 6 V (Typ) |
| Clamping Voltage | 20 V @ 18 A |
| Peak Pulse Current | 18 A (8/20 µs), 330 W (8/20 µs) |
| ESD Protection (IEC 61000-4-2) | ±30 kV |
| EFT Protection (IEC 61000-4-4) | 40 A (5/50 ns) |
| Reverse Leakage Current | 0.2 µA (Typ) @ 3.3 V |
| Diode Capacitance | 110 pF (Typ) |
| Operating Temperature | -55°C to +125°C |
| Package | SOD-523 (SC-79) |
| Mounting Type | Surface Mount |
| Compliance | RoHS Compliant |
PESD3V3S1UB is a unidirectional single‑channel ESD protection TVS diode from Nexperia, packaged in compact SOD523 surface‑mount housing, featuring 3.3V reverse stand‑off voltage, 330W peak pulse power, supporting up to 30kV ESD contact discharge compliance with IEC 61000‑4‑2 Level 4, protecting 3.3V signal interfaces against electrostatic discharge and surge transients for consumer, industrial and communication electronic equipment.
Key highlights: Compact SOD523 ultra‑small footprint saves valuable PCB space for dense circuit layouts; unidirectional protection for single signal line with low 20V clamping voltage at 18A peak pulse current to suppress transient voltage spikes effectively; 330W peak pulse power under 8/20μs surge waveform meets IEC 61000‑4‑5 surge standard; ultra‑low reverse leakage current below 700nA minimizes power consumption on sensitive signal lines; low junction capacitance preserves signal integrity for high‑speed data tracks; MSL‑1 moisture sensitivity, RoHS and REACH compliant for mass production manufacturing workflows; wide operating temperature ranging from ‑65°C to 150°C adapts to rigorous working environments.
FAQ
Q: Can PESD3V3S1UB protect bidirectional signal lines?
A: It is unidirectional; select bidirectional TVS variant if bidirectional surge stress exists.
Q: Where should this diode be placed on PCB?
A: Mount it as close to connector or signal input terminal as possible and shorten trace length for optimal protection performance.
Q: Is this part automotive‑qualified?
A: Choose PESD3V3S1UB‑Q for AEC‑Q101 automotive‑grade requirement.
Q: Can PESD3V3S1UB protect bidirectional signal lines?
A: It is unidirectional; select bidirectional TVS variant if bidirectional surge stress exists.
Q: Where should this diode be placed on PCB?
A: Mount it as close to connector or signal input terminal as possible and shorten trace length for optimal protection performance.
Q: Is this part automotive‑qualified?
A: Choose PESD3V3S1UB‑Q for AEC‑Q101 automotive‑grade requirement.
Alternative TVS protection diode models
● PESD3V3S1UB‑Q: AEC‑Q101 qualified automotive‑grade unidirectional TVS diode with identical electrical parameters, designed for vehicle signal and CAN peripheral protection circuits.
● PESD3V3S1UL: Ultra‑compact SOD882 packaged unidirectional ESD diode with comparable 3.3V working voltage, ideal for space‑constrained miniaturized portable hardware.
● SMAJ3.3A: SMA through‑hole compatible unidirectional TVS diode with higher surge power rating, serving as cross‑package substitute for industrial heavy‑duty surge‑protection projects.
● PESD3V3S1UB‑Q: AEC‑Q101 qualified automotive‑grade unidirectional TVS diode with identical electrical parameters, designed for vehicle signal and CAN peripheral protection circuits.
● PESD3V3S1UL: Ultra‑compact SOD882 packaged unidirectional ESD diode with comparable 3.3V working voltage, ideal for space‑constrained miniaturized portable hardware.
● SMAJ3.3A: SMA through‑hole compatible unidirectional TVS diode with higher surge power rating, serving as cross‑package substitute for industrial heavy‑duty surge‑protection projects.
