• Adjustable output voltage
• Wide input voltage range (up to 45V)
• Stable and efficient step-down voltage conversion
• Overvoltage and overload protection

The 74LS157 is a high-speed Quad 2-Input Multiplexer IC, designed for use in data selection and signal routing in digital circuits. Each IC contains four independent 2-to-1 multiplexers, allowing the selection of one of two data inputs per channel. This versatile multiplexer supports a single supply voltage, making it ideal for various logic and switching applications. The device is available in a DIP16 package, ensuring compatibility with standard through-hole mounting designs.

The IC Base 14-Pin is a high-quality socket designed for integrated circuits. This IC base features a row-to-row distance of 7.62mm, a pin pitch of 2.54mm, and a pin length of 4mm. Its compact dimensions of 18.5mm (L) x 10mm (W) x 5mm (H) make it perfect for various electronic projects and applications.

• Row to Row Distance: 7.62mm
• Number of Pins: 14
• Pin Pitch: 2.54mm
• Pin Length: 4mm
• Dimensions: 18.5mm (L) x 10mm (W) x 5mm (H)

The STK 4162 is a new, authentic audio amplifier DIP from Sanyo, offering high-quality sound with a power output of 35W per channel. Ideal for vintage audio enthusiasts and DIY projects.

• Condition: New, authentic
• Brand: Sanyo
• Model: STK 4162
• Package Type: DIP
• Output Power: 35W per channel

Enhance your digital circuits with the CD4040 12-Bit Binary Counter. Key features include:

• Medium-speed operation with ripple-carry binary counting
• Master-slave flip-flops for reliable counting
• Buffered inputs and outputs for stable performance
• Schmitt trigger action on input-pulse line for unlimited rise and fall times
• Common reset to all zeros state
• Available in various 16-lead packages for versatile applications

Perfect for control counters, timers, frequency dividers, and time-delay circuits.

• 64K Memory, 8k x 8 bits
• Two-Wire Serial Interface (I2C)
• Write Protect Pin for Hardware Data Protection

ULN2003 High-Voltage/Current Darlington Transistor Array

The ULN2003 is an Integrated Circuit (IC) with a high-voltage, high-current Darlington transistor array. It's perfect for interfacing logic circuits with power loads. Key features include:

• Ideal for interfacing between logic circuits and power loads
• TTL, CMOS compatible inputs
• Output current up to 500mA
• Output voltage up to 95V
• Transient protected outputs

The CD4093 Shift Register IC is designed for high-noise environments and offers reliable logic operations with Schmitt-trigger action on each input. It features:

• Schmitt-trigger action without external components
• Hysteresis voltage: 0.9 V at VDD = 5 V, 2.3 V at VDD = 10 V
• Noise immunity greater than 50%
• No limit on input rise and fall times
• Standardized, symmetrical output characteristics
• Tested for quiescent current at 20 V
• Maximum input current of 1 µA at 18 V
• 5-V, 10-V, and 15-V parametric ratings

• 13-Input NAND Gate with TTL logic compatibility.
• Low Power Consumption with LS (Low Power Schottky) technology.
• Fast Switching Time, ensuring high-speed logic operations.
• High Noise Immunity, making it reliable for digital circuits.

CD4011 Quad 2-Input NAND Gate

The CD4011 Quad 2-Input NAND Gate is an essential component for various electronic applications. Featuring high noise immunity and standardized symmetrical output characteristics, this IC ensures reliable performance across different voltage levels. Key features include:

• VDD: 10 V
• Buffered inputs and outputs
• Symmetrical output characteristics
• Maximum input current: 1 µA at 18 V over full package temperature range
• Quiescent current tested at 20 V
• 5-V, 10-V, and 15-V parametric ratings
• High noise immunity

DS1307 Real-Time Clock Module

The DS1307 serial real-time clock (RTC) is a low-power, full binary-coded decimal (BCD) clock and calendar module that includes 56 bytes of NV SRAM. Perfect for applications needing precise timekeeping and calendar functionality, this module transfers address and data serially through an I2C, bidirectional bus. Key features include:

• Low-power, binary-coded decimal (BCD) clock/calendar
• 56 bytes of NV SRAM
• I2C, bidirectional bus for data transfer
• Reliable and accurate timekeeping

The SN74LS73/DM74LS73/M74LS73/MC74LS73 Dual JK Flip-Flop IC is a versatile component used in digital circuits for latching and memory applications. Ideal for various electronic projects.

• 8-Bit Serial-In Parallel-Out Shift Register with D-Type Storage Register.
• Shift Register with Direct Clear for quick data resetting.
• Accurate operation from DC to 20MHz, ensuring high-speed performance.
• 3-State Outputs for flexible bus driving.

The TL072 Dual JFET Input Operational Amplifier offers exceptional performance with its wide common-mode and differential voltage range. This op-amp features low input bias and offset current, making it perfect for precision applications. Key features include:

• Wide common-mode (up to VCC+) and differential voltage range
• Low input bias and offset current
• Low noise en = 15 nV/√Hz (typical)
• Output short-circuit protection
• High input impedance JFET input stage
• Low harmonic distortion: 0.01% (typical)
• Internal frequency compensation
• Latch-up free operation
• High slew rate: 16 V/µs (typical)

• Versatile Multiplexer: Allows for the selection of one data line from 16 inputs.
• Compact Design: Efficient use of space in electronic circuits.
• Low Power Consumption: Designed for minimal energy usage.

The 74LS48 is a BCD to 7-segment decoder/driver IC designed for converting binary-coded decimal (BCD) input into signals to drive a 7-segment display. It operates within a supply voltage range of 4.75V to 5.25V and is suitable for various digital display applications.