BAS21J

Imagens apenas para referência

BAS21J

+Lista de Materiais

GEN PURP DIODE 300V 0.225A SOD-

  • FabricanteYangzhou Yangjie Electronic Technology Co., Ltd.

  • Peça do Fabricante #BAS21J

  • Pacote SOD-323

  • Em Estoque5089

365 Garantia de Qualidade em 1 dia

7*24 Garantia de serviço em 24 horas

90-Garantia de pós-venda em 1 dia

Garantia de Produto Genuíno

Especificações

Atributo Valor
Supplier Yangzhou Yangjie Electronic Technology Co.,Ltd
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Mounting Type Surface Mount
Supplier Device Package SOD-323

Visão Geral

Description

BAS21J is a course code used by different universities, so its exact meaning and syllabus vary by institution. Without the specific university or program, I can’t give a precise introduction.
Generally, Introduction to BAS21J would be an entry-level unit that:
- explains the scope and aims of the BAS program
- outlines key topics
- lists learning outcomes
- states prerequisites and contact hours
- describes assessment methods (e.g., quizzes, assignments, exam, project)
- provides recommended readings and software/tools
- offers tips for success (time management, labs, tutorials)
If you share the university or department (e.g., BAS stands for Business Analytics, Bachelor of Applied Science, etc.), I can provide a precise summary or syllabus.

Equivalent

BAS21J is a small-signal NPN transistor (SOT-23). Common equivalents include:
- MMBT3904 (SOT-23)
- PMBT3904 / MMBT3904
- BC847A / BC847B / BC846B (SOT-23)
- Through-hole: 2N3904
Notes: choose based on Vce, Ic, and hFE specs for your circuit.

Features

Here are typical features of BAS21J:
- NPN silicon small-signal transistor
- Package: SOT-23 (3-pin), lead-free/RoHS compliant
- Max Vce: 60 V
- Max Ic: ~200 mA
- High-speed switching with ft in the hundreds of MHz range
- DC current gain (hFE): ~100–300 (depends on Ic and operating point)
- Vce(sat): ~0.2–0.4 V at moderate Ic (e.g., 10 mA) and Ib
- Temperature range: approx. -55 to +150 °C
- Suitable for general-purpose switching and amplification
Note: exact parameters vary by lot and manufacturer; consult the specific datasheet for precise values.

Pinout

- Pin count: 3
- Function: BAS21J is a small-signal NPN transistor (general-purpose) used for switching and amplification, typically in an SOT-23 package.

Manufacturer

- Manufacturer: Nexperia (the BAS21J diode is one of their parts; Nexperia markets BAS21 series).
- What kind of company: A global semiconductor company specializing in discrete components (diodes, transistors, switches) and related passive/ESD devices. It originated as Philips Semiconductors and is now an independent Dutch company.

Application

BAS21J is a small‑signal silicon switching diode. Typical applications:
- Fast switching in logic/timing circuits
- Envelope detection and demodulation in RF receivers
- Precision rectification in op‑amp circuits
- Clipping/limiter and peak-detection stages
- Input protection and clamping for sensitive circuitry
- General-purpose low-current rectification in analog front ends

Package

BAS21J is a small-signal switching diode packaged in a SOT-23 (3-pin) surface-mount package.

Produtos relacionados a BAS21J

  • Orçamento Rápido

  • Envie sua solicitação de orçamento para BAS21J Use este formulário. Responderemos em até 12 horas.