Diodes

Phase Lock Loop (PLL) IC 2.4MHz 1 16-DIP (0.300", 7.62mm) CD4046BE is a CMOS Micropower Phase-Locked Loop (PLL) integrated circuit that combines a linear Voltage-Controlled Oscillator (VCO), two phase comparators, a source follower, and a Zener diode in a single package. It is designed for frequency synthesis, frequency detection, FM demodulation, clock recovery, motor speed control, and other synchronization applications. The device operates over a wide supply voltage range and offers low power consumption, high noise immunity, and excellent VCO linearity. Key Features Wide operating supply voltage range: 3 V to 18 V Integrated Voltage-Controlled Oscillator (VCO) Two selectable phase comparators for flexible PLL design Operating frequency range up to approximately 1.4 MHz Very low power consumption High VCO linearity (typically <1%) Low frequency drift with temperature VCO inhibit control for ON/OFF keying applications Built-in source follower output for demodulation applications High noise immunity characteristic of CMOS technology Available in 16-pin PDIP (CD4046BE) package Typical Applications Frequency synthesis and multiplication FM modulation and demodulation Frequency discrimination Clock recovery and data synchronization Tone decoding Voltage-to-frequency conversion FSK modulation/demodulation Motor speed control systems Signal tracking and phase synchronization circuits Hashtags #CD4046BE #PLL #PhaseLockedLoop #VCO #ClockRecovery #FrequencySynthesizer #FMDemodulator #FSKModulation #CMOS #TexasInstruments #AnalogIC #TimingIC #SignalProcessing #EmbeddedSystems #ElectronicsDesign

The PI3HDX412BDZBE is a high-performance HDMI 1.4b 1:2 Splitter/Demultiplexer from Diodes Incorporated designed for high-resolution video distribution applications. It supports TMDS data rates up to 3.4 Gbps per channel and incorporates advanced equalization and pre-emphasis technology to maintain signal integrity across long PCB traces and cable connections. The device enables a single HDMI source to drive multiple display outputs while ensuring reliable transmission of high-bandwidth digital video signals. It is suitable for digital signage, display peripherals, video processing equipment, and multimedia distribution systems. Key Features Supports HDMI 1.4b compliant TMDS signaling up to 3.4 Gbps Functions as a 1:2 HDMI splitter/demultiplexer Integrated signal equalization and pre-emphasis for improved signal integrity Supports resolutions up to 4096 × 2160 (4K UHD) with 8-bit YCbCr 4:2:0 format Compatible with AC- or DC-coupled differential inputs Configurable through pin strapping or I²C interface Built-in clock detection and TMDS power-down squelch mode Robust ESD protection up to 8 kV contact discharge (IEC 61000-4-2) Operating voltage range of 3.0 V to 3.6 V Industrial temperature range of −40°C to +85°C Available in a compact 56-pin TQFN package Hashtags #PI3HDX412BDZBE #HDMI14 #HDMISplitter #TMDS #VideoDistribution #DigitalSignage #SignalConditioning #Equalization #PreEmphasis #I2CControl #4KVideo #DiodesInc #DisplayInterface #EmbeddedSystems #HighSpeedSignalIntegrity

# BZT52C12-7-F ## General Description The BZT52C12-7-F is a surface-mount Zener diode manufactured by Diodes Incorporated and designed for precision voltage regulation, voltage reference generation, overvoltage protection, and signal conditioning applications. The device provides a stable reverse-breakdown voltage characteristic that enables reliable voltage clamping and circuit protection in a wide range of electronic systems. Its compact package, low leakage performance, and robust semiconductor construction make it suitable for consumer electronics, industrial controls, telecommunications equipment, power management circuits, embedded systems, and portable electronic devices. The diode is optimized for applications requiring dependable voltage stabilization and transient protection within space-constrained designs. ## Key Features ### Voltage Regulation Characteristics * Precision Zener voltage regulation * Stable reverse-breakdown performance * Consistent voltage reference capability * Reliable voltage clamping operation * Suitable for regulation and protection applications * Excellent long-term voltage stability ### Electrical Characteristics * Low leakage current performance * Fast response to transient conditions * Stable electrical operation * Reliable reverse-bias characteristics * Low power dissipation design * Suitable for signal and power circuits ### Protection Features * Overvoltage protection capability * Voltage clamping functionality * Transient suppression support * Circuit protection enhancement * Reliable fault-condition response * Improved system robustness ### Package Characteristics * Surface-mount package construction * Compact footprint design * High-density PCB layout compatibility * Automated assembly compatible * Reflow soldering compatible * Space-saving implementation ### Material Construction * Silicon Zener diode technology * High-reliability semiconductor structure * RoHS-compliant materials * Lead-free package construction * Industrial-grade manufacturing quality ### Environmental Characteristics * Long operational service life * Stable operation under industrial conditions * Reliable thermal performance * Resistant to environmental stress * Suitable for continuous-duty applications ### Application Areas * Voltage Reference Circuits * Power Supply Regulation * Overvoltage Protection Systems * Signal Conditioning Circuits * Industrial Control Equipment * Embedded Systems * Telecommunications Equipment * Consumer Electronics * Battery-Powered Devices * Sensor Interface Circuits * Data Communication Equipment * General Electronic Protection Circuits ### Compliance * RoHS Compliant * Lead-Free Compatible * Industrial-Grade Voltage Regulation and Protection Solution ## Manufacturer Diodes Incorporated ## Product Family BZT52 Series Surface-Mount Zener Diodes #BZT52C127F #DiodesIncorporated #ZenerDiode #VoltageReference #VoltageRegulation #OvervoltageProtection #CircuitProtection #SignalConditioning #PowerManagement #EmbeddedSystems #IndustrialElectronics #ConsumerElectronics #ElectronicsEngineering #PCBDesign #SMTComponents

Diode RF 65V 2-Pin DO-7 1N34A germanium signal diode in DO-7 glass package, optimized for radio-frequency (RF) detection and low-voltage signal rectification. Features low forward voltage drop, low leakage current, low junction capacitance, and fast response characteristics. Rated for up to 65V peak inverse voltage (PIV), 50mA average rectified current, and 200mA repetitive forward surge current. Commonly used in AM/FM detectors, crystal radios, RF probes, envelope detectors, vintage audio circuits, TV/FM discriminator stages, and guitar distortion effects. Search Keywords: 1N34A, 1N34A germanium diode, germanium signal diode, DO-7 diode, RF detector diode, AM detector diode, FM detector diode, crystal radio diode, low forward voltage diode, vintage germanium diode, RF probe diode, envelope detector diode, audio clipping diode, germanium rectifier diode Hashtags: #1N34A #GermaniumDiode #RFDiode #SignalDiode #DO7Package #CrystalRadio #AMDetector #FMDetector #EnvelopeDetector #LowForwardVoltage #VintageElectronics #RFProbe #AudioEffects #GuitarPedal #RectifierDiode

4 Channel AFE 12 Bit 36-WLCSP (2.8x2.56) The ADPD7000 is a highly integrated analog front end (AFE) designed for measuring various vital signals. The optical channel is designed as an optical transceiver, stimulating up to eight light emitting diodes (LEDs) and measuring the return signal on up to four separate current inputs. The signal chain rejects signal offsets and corruption from asynchronous modulated interference, typically from ambient light, eliminating the need for optical filters or externally controlled DC cancellation circuitry. The electrocardiography (ECG) signal acquisition is designed to support low noise, diagnostic level measurement in the presence of a variety of interferers. The ECG signal chain has a number of complementary features supporting ECG measurement, such as driven reference for common-mode rejection and lead off detection to identify a fallen electrode. The body impedance analysis (BIA) signal chain is designed for body impedance measurement with a configurable excitation path and measurement path. A 12-bit digital-to-analog converter (DAC) is used in the excitation path to generate the sinusoid wave and high precision measurement, with configurable filters used to measure the body response of the stimulus. The electrodermal activity (EDA) signal chain is designed for electrodermal activity. By multiplexing BIA and ECG peripheral circuits, the ADPD7000 supports high precision AC and DC measurement with 1 nS resolution. The data output and functional configuration use a serial port interface (SPI) on the ADPD7000. The control circuitry includes flexible LED signaling and synchronous detection, digital filters, digital wave generators, and configurable filters. The ADPD7000 is available in a 2.795 mm × 2.560 mm, 0.40 mm pitch, 36-ball WLCSP. ► Multimodal analog front end ► Optical channel ► 4 input channels with multiple operation modes for various sensor measurements ► 4-channel processing with simultaneous sampling ► 12 programmable time slots for synchronized sensor measurements ► Flexible input multiplexing to support single-ended sensor measurements ► 8 LED drivers, 2 of which can be driven simultaneously ► Flexible sampling rate from 0.004 Hz to 9 kHz using internal oscillators ► AC ambient light rejection: 78 dB up to 100 Hz ► 400 mA total LED peak drive current ► Individual ambient cancellation DAC at TIA input with 9-bit control up to 300 μA ► Individual LED DC cancellation DAC at TIA input with 7-bit control up to 190 μA ► ECG channel ► <1 µV RMS RTI noise at diagnosis bandwidth ► High input impedance 20 GΩ ► Accepts up to ±1.2 V of DC differential input range ► CMRR: 115 dB ► Flexible 4 electrode configurations to support various applications ► Both AC lead off detection and DC lead off detection ► Support always on, low power, lead on detection ► BIA channel ► Low power, high accuracy excitation path ► Configurable excitation frequency up to 250 kHz ► Sine wave excitation with a 12-bit DAC ► High accuracy with large imbalance contact impedance ≤20 kΩ ► Configurable receive filters with low noise design ► Complex impedance measurement engine ► Integrated current-limit resistors ► EDA channel ► Support both voltage excitation and current excitation ► 10 kΩ to100 MΩ measurement range with 1 nS resolution ► DFT and decimation for high accuracy measurement result ► SPI communications supported ► 704-byte FIFO

Linear Voltage Regulator IC Positive Fixed 1 Output 150mA TO-92 The AP7381 series is a positive voltage regulator IC. The AP7381 has features of wide input voltage range, high accuracy, low dropout voltage, current limit and ultra-low quiescent current which make it ideal for use in various USB and portable devices. The IC consists of a voltage reference, an error amplifier, a resistor network for setting output voltage, a current limit circuit for current protection, and a chip enable circuit. The AP7381 has 2.8V, 3.3V, 5V and 7V fixed voltage version. The AP7381 is available in space-saving SOT23, SOT89 and TO92 (Ammo Packing) packages.  Wide Input Voltage Range: Up to 40V  Low Dropout Voltage: VDROP = 1000mV @ IOUT = 100mA @ VOUT = 3.3V  Low Ground Current  High Output Voltage Accuracy  Compatible with Low ESR Ceramic Capacitor  Excellent Line/Load Regulation  Thermal Shutdown Function  Short Current Protection Function  Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)  Halogen and Antimony Free. “Green” Device (Note 3)  For automotive applications requiring specific change control (i.e. parts qualified to AEC-Q100/101/104/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative. https://www.diodes.com/quality/product-definitions/ Applications  E-meters  Battery-powered equipments  Laptops, palmtops, notebook computers  Portable information appliances #AP7381 #LDORegulator #VoltageRegulator #PowerManagement #LinearRegulator #DiodesIncorporated #3V3Regulator #EmbeddedSystems #ElectronicsDesign #CircuitDesign #PMIC #LowPowerDesign

Bourns SMCJ Series transient voltage suppressor (TVS) diode, 1500W peak pulse power, surface-mount DO-214AB / SMC package, working peak reverse voltage range from 5V to 495V, breakdown voltage up to 550V, fast response time below 1ps, RoHS compliant, JEDEC compatible, designed for ESD, EFT and surge protection according to IEC 61000-4-2, IEC 61000-4-4 and IEC 61000-4-5, suitable for portable communications, computing, video equipment, power lines and general circuit protection. Search Keywords: SMCJ Series, Bourns SMCJ, SMCJ TVS diode, SMCJ transient voltage suppressor, 1500W TVS diode, DO-214AB TVS, SMC package TVS, surge protection diode, ESD protection diode, EFT protection diode, IEC6100042 TVS, IEC6100044 TVS, IEC6100045 TVS, unidirectional SMCJ, bidirectional SMCJ, Bourns TVS diode Hashtags: #BournsSMCJ #SMCJSeries #TVSDiode #TransientVoltageSuppressor #1500WTVS #SMCPackage #DO214AB #SurgeProtection #ESDProtection #EFTProtection #IEC6100042 #IEC6100044 #IEC6100045 #CircuitProtection11/20/15

Red 630nm LED Indication - Discrete 1.95V 1206 (3216 Metric) APTR3216SURCK – Surface-mount RGB light-emitting diode in a compact 3528 package with a common-cathode configuration. Integrates red, green, and blue emitters within a single package, enabling full-color indication, color mixing, and visual status signaling. Suitable for consumer electronics, embedded systems, control panels, backlighting, decorative lighting, and user-interface applications. Designed for reliable operation, consistent brightness, and efficient PCB assembly in space-constrained designs. #RGBLED #CommonCathode #3528LED #SMDLED #IndicatorLED #ColorMixing #EmbeddedSystems #ConsumerElectronics #LightingDesign #PCBAssembly

LED Driver IC 1 Output DC DC Controller SEPIC, Step-Down (Buck), Step-Up (Boost) Analog, PWM Dimming 8-SO-EP # AL8866QSP-13 Engineering Specifications **General Description** The AL8866QSP-13 is an automotive-qualified, multi-topology DC-switching LED controller manufactured by Diodes Incorporated. It is designed to control an external power MOSFET for high-power automotive LED lighting systems. The device supports buck, boost, buck-boost and single-ended primary-inductance converter configurations. Its wide input-voltage range makes it suitable for automotive power systems and various high-voltage LED applications. The controller uses fixed-frequency peak current-mode regulation with spread-spectrum frequency modulation to reduce electromagnetic interference. It supports both analog and pulse-width-modulation dimming through the DIM input. An integrated programmable soft-start function gradually increases the inductor and switching currents during startup to reduce output-voltage and current stress. The open-drain fault output provides system-level fault reporting for abnormal operating conditions. **Engineering Specifications** **Manufacturer:** Diodes Incorporated **Manufacturer Part Number:** AL8866QSP-13 **Component Type:** Automotive LED driver controller **Converter Topologies:** Buck, boost, buck-boost and SEPIC **Control Architecture:** Fixed-frequency peak current-mode control **External Switching Device:** External power MOSFET **Minimum Input Voltage:** Four point seven volts **Maximum Input Voltage:** Eighty-five volts **Maximum Output Voltage:** Eighty-five volts **Switching Frequency:** Four hundred kilohertz **Frequency Modulation:** Spread-spectrum modulation for reduced electromagnetic interference **LED Current Control:** External current-sense resistor and external MOSFET configuration **Feedback Voltage:** Two hundred millivolts **Typical Quiescent Current:** One point eight milliamperes **Typical Efficiency:** Up to approximately ninety-three percent, depending on the application circuit and external components **Dimming Methods:** Analog dimming and pulse-width-modulation dimming **Analog Dimming Range:** One percent to one hundred percent **Analog Dimming Dynamic Range:** Greater than one hundred to one **Pulse-Width-Modulation Dimming Ratio:** One hundred to one at a two-hundred-hertz dimming frequency **Pulse-Width-Modulation Frequency Range:** Approximately one hundred hertz to one kilohertz **Full-Brightness Current Accuracy:** Approximately plus or minus three percent **Low-Level Dimming Current Accuracy:** Approximately plus or minus twelve percent at twenty-percent dimming **Soft-Start Function:** Externally programmable **Fault Output:** Active-low open-drain fault indicator **Protection Features:** Output overvoltage protection, LED open-circuit protection, output undervoltage protection, LED short-circuit protection, cycle-by-cycle overcurrent limitation, current-sense resistor short-circuit protection, inductor and diode short-circuit detection, diode open-circuit protection and thermal shutdown **Automotive Qualification:** AEC-Q100 Grade One qualified **Automotive Documentation:** PPAP capable **Manufacturing Standard:** Manufactured in IATF-certified automotive facilities **Operating Temperature Range:** Minus forty degrees Celsius to positive one hundred twenty-five degrees Celsius **Package Type:** Thermally enhanced SO-8 exposed-pad package **Pin Count:** Eight leads with exposed thermal ground pad **Mounting Style:** Surface mount **Packing Method:** Thirteen-inch tape and reel **Standard Packing Quantity:** Two thousand five hundred components per reel **Moisture Sensitivity:** Level One **Terminal Finish:** Matte-tin-plated leads **Environmental Compliance:** Lead-free, RoHS compliant, halogen-free and antimony-free **Typical Applications** Automotive high-beam and low-beam lighting Automotive daytime running lights Automotive fog lights Automotive turn-signal lights Automotive position lights Automotive brake and stop lights High-power exterior LED lighting Multi-topology automotive LED driver modules #AL8866QSP13 #AL8866Q #DiodesIncorporated #LEDDriver #AutomotiveLED #AutomotiveElectronics #BuckConverter #BoostConverter #BuckBoostConverter #SEPICConverter #PowerElectronics #LEDLighting #ElectronicComponents #EngineeringSpecifications