主要元器件的市场价格(参考)(国内交货价) o@lWBfB*%e 一、Memory(存储器) Oajv^H,Em DRAM(动态随机存储器) SDRAM 128M 8MX16 3.3V TSOP-54 133MHz 28.00-29.00 %u p}p/? Flash(闪存) Flash 8MB 512KX16 5V TSOP 70NS 8.00-8.20 lS{r=y_0. SRAM(静态随机存储器) 256K 32KX8 5V TSOP-28 7.00-7.30 [ 转自SMT之家论坛 http://bbs.smthome.net ] K&A;Z>l,v5 EPROM/EEPROM(电子编程只读存储器) EEPROM 8k,24C08,PDIP封装 4.20 lm'Zy"~:: Non-DRAM Market Overview(非动态随机存储器) U[_8WJ7+ 二、Passives(无源元件) e[Xq Ceramic Capacitors(陶瓷电容) SMD X7R 0.1uF104 10% 0805 50V 0.05-0.06 ySdN;d:q Tantalum Capacitors(钽电容) SMD Tant 10uF 106 10% A10V 0.32-0.35 [ 转自SMT之家论坛 http://bbs.smthome.net ] c"gsB!xh Alectrolytic Capacitors(铝电解) 47uF,16V,+20%/-80% 0.20 s<T?pH Resistors(电阻) SMD 0805 153 5% 0.01 2BB<mv K4 Connectors(连接器) USB Stacked 2port,R/A 35.00 LhJ a)jFQ Magnetics(磁性元件) 环形软磁A4 10.00 V+B71\x< 三、Frequency Control(频率控制) [ 转自SMT之家论坛 http://bbs.smthome.net ] *:_~Nn9_R; Crystals(石英晶体) MHz,3.5x6陶瓷封装SMD 1.00 hCc0sRp Crystals Oscillators(晶体振荡器) 4MHz晶振 1.20 3(lVmfk Temperature Compensated Crystal Oscillators }Zl"9A#K (温度补偿晶振) 40KHz TCXO 30.00 Ky9W/dCR Voltage Controlled Crystal Oscillators(电压控制晶振) 16.384KHZ VCXO 7.00 [ 转自SMT之家论坛 http://bbs.smthome.net ] ku.A|+Tn Crystal Filters(晶体滤波器) SAW,RF,3X3陶瓷封装 0.30 e6P[c=m # 四、Analog(模拟器件) 12gw#J/)9h Op Amps/Interface/Voltage Regulators QUP|FIpZ (运放/接口电路/电压调整器) LM324 SOIC-14/7805 TO-220 0.30-0.35\0.68-0.74 ?JqjYI{$ 五、Standard Logic(标准逻辑) [ 转自SMT之家论坛 http://bbs.smthome.net ] <'*4j\* Low-Voltage CMOS(低压CMOS) 74LVTH244A SMD 2.50 t .=Oj BiCMOS(双极CMOS) 74LS244 PDIP 0.60 :WX0,-Gn General Purpose Bipolar(通用双极型) 74HC04 PDIP 0.35 1X:&*a"5 六、Discretes(分立器件) j.& ;c'V$. Rectifiers(整流器) 1N4148 0.035 [ 转自SMT之家论坛 http://bbs.smthome.net ] B)a@fmp"a Bipolar Power Transistors(双极型功率管) 25W 30MHZ NPN硅RF功率管 206.00 Mo|yv[(K, Power MOSFETs(功率MOSFET) IRF630TO-220封装 1.50 TcZN% Small Signal Transistors(小信号三极管) BAV70 SOT-23封装 0.07-0.08 |