ESPRESSIF

2000

ESP32-S3-WROOM-1-N8 is a universal Wi-Fi + low-power Bluetooth MCU module launched by Espressif Technology, equipped with the ESP32-S3 series chip. This module is in SMD packaging and has a size of 18mm × 25.5mm × 3.1mm. The core processor is the Xtensa® 32-bit LX7 dual-core processor, with a maximum operating frequency of 240 MHz and a single-precision floating-point unit support. In terms of storage, it is equipped with 384 KB ROM, 512 KB SRAM, and a built-in 8 MB Quad SPI Flash, without onboard PSRAM. Wireless connection supports 2.4 GHz Wi-Fi (802.11 b/g/n) and low-power Bluetooth 5 (BLE). The Wi-Fi data rate can reach up to 150 Mbps. The built-in PCB board is equipped with an antenna, supporting multiple encryption methods such as AES, ECC, RSA, and SHA. This module offers a wide range of peripheral interfaces, including ADC, GPIO, I2C, I2S, SPI, UART, USB OTG, PWM, JTAG, SDIO, etc. The operating voltage range is 3.0V to 3.6V, and the operating temperature range is from -40°C to +85°C.

ADI

5000

LTC2051IDD#PBF is a dual-channel zero-drift operational amplifier introduced by ADI. It adopts a DFN-8 (3mm × 3mm) micro surface-mount package. This device combines almost zero direct offset and drift with excellent AC performance, and is specifically designed for precise measurement applications that require extremely high accuracy and long-term stability. This device employs the Chopper-Stabilized technology, which is an automatic zero-stabilization architecture. It can continuously self-calibrate to eliminate input offset errors, thereby ensuring the device maintains extremely high accuracy throughout its operating temperature range.

YE

30000

DSWB01LHGET is a 1-bit red toggle-style potentiometer switch, installed using through-hole plug-in (DIP) method. This component belongs to the DSWB series and is used for manually configuring the working mode, address, or other logical states of the device. Its core parameters are as follows: single-pole single-throw (SPST) circuit, 1-bit switch. Rated voltage 24V DC, rated current 25mA. Mechanical life approximately 2000 times. It adopts a red protruding push-rod design, making the operation intuitive. Operating temperature range -20°C to +70°C.

Diodes

15000

BAT54S-7-F is a Schottky switching diode introduced by Diodes Inc., featuring a SOT-23 micro surface-mount package. Internally, this device consists of two diodes connected in series, offering low on-state voltage and extremely fast switching speed. It is specifically designed for high-frequency switching and circuit protection applications. The reverse recovery time of this diode is only 5ns, enabling high-frequency switching. Its main parameters are: reverse peak voltage 30V, average rectification current 200mA, and forward drop 800mV @ 100mA.

Diodes

20000

SD24C-7 is a unidirectional TVS (Transient Voltage Suppression) diode launched by Diodes Incorporated. It is packaged in the SOD-323 micro surface-mount format. This device is specifically designed to protect sensitive electronic circuits from electrostatic discharge (ESD) and other transient voltage shocks, and is suitable for various general circuit protection scenarios. This device is a single-channel bidirectional TVS diode. Key parameters: Reverse breakdown voltage 24V (maximum value), Minimum breakdown voltage 26.7V, Maximum clamping voltage 45V. Peak pulse power 350W, Peak pulse current 8A (8/20µs waveform). Typical junction capacitance 40pF, Operating temperature range -65°C to +150°C.

Bourns

9000

The TBU-CA025-500-WH is a high-speed surge protector from Bourns, part of the TBU® (Transient Blocking Unit) series, packaged in a DFN surface-mount format. Belonging to the TBU-CA family, this device is a low-capacitance, bidirectional, high-speed protection component based on MOSFET semiconductor technology, specifically designed to safeguard sensitive electronic equipment against failures caused by short circuits, AC power crossover, induction, and lightning-induced surges. The core operating principle of this protector is that when the current in the system circuit exceeds the 500mA trigger threshold, the internal MOSFET detection circuit activates within 1µs, blocking the circuit and providing an effective barrier for downstream sensitive electronic components, protecting them from high voltage or high current surges during transient events. It can block surges up to its rated limiting value and automatically restore normal operation after the surge event. The device has a maximum operating voltage of 100 VAC and can withstand up to 250 V of impulse voltage. With its bidirectional semiconductor structure, it provides protection against surges in both positive and negative directions.

ADI

20000

LT3094EDD#TRPBF is a -20V, 500mA, ultra-low noise, ultra-high PSRR negative linear regulator (LDO) developed by ADI. It features a 12-pin DFN (3mm × 3mm) surface mount package. This device is specifically designed to supply power to highly sensitive precision analog circuits and can provide a clean negative voltage rail. This device can be easily connected in parallel to further reduce noise, increase output current and disperse heat. Its output voltage can be adjusted within the range of 0V to -19.5V by a single resistor. The input voltage range is from -1.8V to -20V. At a 500mA load, the typical pressure difference is only 235mV. The typical operating static current is 2.35mA, and it drops to 3µA when turned off. The operating temperature range is from -40°C to +125°C.

Vishay

25000

440LT33-R is a chip-type ceramic safety capacitor launched by Vishay. It belongs to the Cera-Mite 440L series and is installed using radial lead through-hole method. This capacitor has a capacitance value of 330pF, with an accuracy of ±10% and a temperature characteristic of X7R. Its key feature is that it simultaneously meets the X1 and Y1 dual safety standards, making it suitable for applications requiring "dual protection".

TI

15000

LM46002PWPR is a 60V, 2A synchronous step-down DC-DC converter from the Texas Instruments SIMPLE SWITCHER® series. It features a 16-pin HTSSOP (PWP) surface mount package. This device operates within a wide input voltage range of 3.5V to 60V, offers adjustable output voltage (1V to 28V), and can deliver an output current up to 2A. This converter employs peak current mode control, featuring internal compensation and integrated synchronous rectification, which simplifies the external circuit design. With a 27µA static current and DCM (Dynamic Current Mode) and PFM (Pulse Frequency Modulation) modes during light load conditions, it ensures high efficiency across the entire load range. The switching frequency can be adjusted within the range of 200kHz to 2.2MHz and is compatible with external clock synchronization.

ADI

15000

ADR3430ARJZ-R7 is a low-power, high-precision series-connected voltage reference source launched by ADI. It adopts the SOT-23-6 micro surface-mount packaging. This device belongs to the ADR34xx series and provides an ideal reference voltage solution for portable and battery-powered devices that require high precision and low power consumption. This device outputs a fixed 3V voltage, with an initial accuracy of up to ±0.1% and a temperature coefficient of only 8ppm/°C (maximum value). Its typical static current is only 85µA, with a maximum of 100µA. The voltage drop under a 2mA load is only 250mV. The output current can reach 10mA (source current), and it can also absorb 3mA current. The noise in the 0.1Hz to 10Hz frequency range is 22µVp-p. The input voltage range is 3.2V to 5.5V, and the operating temperature range is -40°C to +125°C. This device employs the DigiTrim® patented technology to digitally adjust the output voltage and temperature coefficient during the final assembly stage, ensuring high accuracy and reliability. The EN enable pin supports the shutdown mode, further reducing standby power consumption.

Vishay

6000

LH1513AACTR is a 2 Form A dual-channel normally open solid-state relay (SSR) introduced by Vishay, featuring an 8-SMD butterfly-shaped surface mount packaging. This device can replace traditional electromechanical relays and is used in applications such as telecommunications, instrumentation, and industrial control. This relay uses a GaAlAs LED for input control inside, and the output end integrates a photovoltaic diode array, control circuit and DMOS switch tube with high-voltage dielectric isolation technology. It can switch AC/DC signals, with the load voltage range being 0V to 200V, the load current being 140mA, and the typical on-resistance being 10Ω. The control voltage on the input side is 1.26V DC.

ADI 

6000

The AD558JPZ is an 8-bit voltage-output digital-to-analog converter (DAC) from ADI's DACPORT® series, packaged in a 20-pin PLCC surface-mount package. This device integrates an output amplifier, microprocessor interface, and precision reference voltage source on a single chip, enabling operation without external components. It has an 8-bit resolution with a typical settling time of 1.5µs to 3µs. It supports single-supply operation from 4.5V to 16.5V. The calibration output voltage range can be selected via pin connection, either 0V to 2.56V or 0V to 10V.

ECS

24000

ECS-80-10-30B-CKM-TR is an 8MHz surface-mounted quartz crystal resonator launched by ECS Inc., belonging to the ECX-53B series. This device provides a stable clock reference frequency for microcontrollers, communication chips, and digital logic circuits. The core parameters are as follows: nominal frequency 8 MHz, load capacitance 10 pF, frequency tolerance ±10 ppm, frequency stability ±10 ppm. This device operates in the base frequency mode and has an equivalent series resistance (ESR) of up to 100Ω. It is packaged in a 4-SMD leadless type with dimensions of 5.00mm × 3.20mm × 0.85mm. The operating temperature range is from -20°C to +70°C, and it complies with the RoHS standard. The MSL (Manufacturing Standard Level) is Level-1.

ADI

25000

MAX3082CPA+ is a RS-485/RS-422 half-duplex transceiver introduced by ADI (Maxim). It adopts an 8-pin PDIP through-hole package. This device consists of a driver and a receiver, and is specifically designed for industrial communication networks that require low power consumption and high reliability. This transceiver offers a data transmission rate of 115 kbps. Its "Slew-Rate Limited" feature helps to reduce EMI and reflections caused by improper cable termination, ensuring error-free transmission at a rate of 115 kbps. Its "Fail-Safe" function ensures that the output is a logic high level when the receiver input is open-circuited or short-circuited. This device supports a maximum of 256 nodes on the bus. When not loaded, the typical static current is only 375 µA, and the maximum supply current in the off mode is 10 µA. The ESD protection level is ±15kV (HBM). The operating temperature range is from 0°C to 70°C.

TT Electronics

20000

P090S-04F20BR10K is a 10kΩ single-turn linear conductive plastic potentiometer launched by the BI Technologies brand under TT Electronics. It is installed using the through-hole method. The resistance value of this potentiometer is 10kΩ, with a tolerance of ±20%. Its resistive material is conductive plastic, which ensures excellent wear resistance and stability. The power rating is relatively low, at only 0.03W (1/32W). This device is a single group (1 Gang), linear (Linear) extractor, with a rotation angle of 280°. Its top adjustment method is combined with a flat-type (Flatted) actuator with a length of 20mm, making it convenient for users to make adjustments.

TI

12000

TPS22975DSGR is a 5.7V, 6A, 16mΩ single-channel load switch launched by Texas Instruments. It adopts a 2mm × 2mm 8-pin WSON surface mount packaging. This device can control the surge current through the configurable rise time and is suitable for power management applications that require high power density and low on-state loss. Main performance parameters: Input voltage range: 0.6V to VBIAS; VBIAS voltage range: 2.5V to 5.7V; Maximum continuous switching current: 6A; On-resistance typical value: 16mΩ. Static current typical value: 37µA (when VIN = VBIAS = 5V). Low control input threshold supports direct control with 1.2V, 1.8V, 2.5V and 3.3V logic levels. This device is controlled on/off via the ON pin and features configurable rise time (adjustable through an external capacitor), optional fast output discharge function (with a built-in 230Ω load resistor) and thermal shutdown protection. Its ESD performance complies with the JESD 22 standard (2000V HBM / 1000V CDM).