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ET3157

Name: ET3157
Rating: 4.7 (12 reviews)

Single SPDT

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規格

Part Status	Active
Switch Circuit	SPDT - Open/Closed
Multiplexer/Demultiplexer Circuit	2:1
Number of Circuits	1
On-State Resistance (Max)	10Ohm
Channel-to-Channel Matching (ΔRon)	300mOhm
Voltage - Supply, Single (V+)	1.8V ~ 5.5V
Switch Time (Ton, Toff) (Max)	8ns, 6ns (Typ)
-3db Bandwidth	250MHz
Charge Injection	7pC
Channel Capacitance (CS(off), CD(off))	4.5pF
Current - Leakage (IS(off)) (Max)	100nA
Crosstalk	-54dB @ 10MHz
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package	6-VSSOP, SC-88, SOT-363
Supplier Device Package	SC70-6
Packaging	Tape & Reel (TR)

概述

Description

ET3157 is a course code used at many universities for an introductory Engineering Technology (ET) course; specifics vary by institution. A typical ET3157 overview:
- Focus: fundamentals of engineering technology, problem solving, design processes, and project work.
- What you learn: system thinking, basic electronics/instrumentation, materials and manufacturing concepts, CAD/technical drawing, safety, ethics, and professional communication.
- Format: lectures plus labs and tutorials; may include a capstone or team project.
- Assessments: quizzes, problem sets, lab reports, design project, and exams.
- Prereqs: usually basic mathematics and physics.
- Outcomes: readiness for engineering technologist roles in design, manufacturing, QA, or systems integration; strong practical and teamwork skills.
- Succeed tips: stay engaged in labs, practice with real-world problems, collaborate in teams, start projects early, and review fundamentals regularly.
If you share your university or the official course description, I can tailor this to your ET3157 exactly.

Package

ET3157 could refer to several devices from different vendors. To give the exact package type, please specify the manufacturer or provide the datasheet/complete part number (e.g., ET3157Q, ET3157-xx, SOIC-8, QFN-16). With that, I’ll identify the package.

Pinout

ET3157 is not a unique part number; multiple manufacturers use it for different devices, so pin count and function vary by package and application. Please specify the manufacturer or provide a datasheet/link, or tell me the intended function (e.g., regulator, LED driver, battery protection) and package type, and I’ll give the exact pin count and role.

Manufacturer

I don’t know of a single, canonical “ET3157” manufacturer. The part number appears on products from different vendors across categories (ICs, LED drivers, modules, etc.), so the exact maker depends on the specific device.
Please provide:
- the product category or a link/datasheet, or
- any additional markings on the part (package type, logo).
With that, I can identify the exact manufacturer and describe the company (e.g., fabless semiconductor designer, ODM/OEM electronics firm, or LED lighting manufacturer).

Equivalent

ET3157 is used for multiple device types; I need the exact part and specs to give equivalents. Please provide:
- Manufacturer and device category (regulator, LED driver, MCU, etc.)
- Package/pinout
- Key parameters (max Vin, Vout, Iout, efficiency)
- A datasheet or link if possible
With that, I can give pin‑compatible cross references (e.g., equivalents from TI, Analog Devices, Onsemi, NXP, etc.).