制造商是'NA'
NA 数据采集 - 数模转换器（DAC）
(2438)
图片 | 产品型号 | 品牌 | 数据表 | 有效性 | 单价(CNY) | 询价 | 认证 | 工厂交货时间 | 生命周期状态 | 触点镀层 | 底架 | 安装类型 | 包装/外壳 | 表面安装 | 引脚数 | 质量 | 操作温度 | 包装 | JESD-609代码 | 无铅代码 | 零件状态 | 湿度敏感性等级(MSL) | 终止次数 | ECCN 代码 | 端子表面处理 | 最高工作温度 | 最小工作温度 | 最大功率耗散 | 端子位置 | 终端形式 | 峰值回流焊温度（摄氏度） | 功能数量 | 电源电压 | 端子间距 | 时间@峰值回流温度-最大值(s) | 基本部件号 | 引脚数量 | 资历状况 | 输出类型 | 工作电源电压 | 极性 | 电源 | 温度等级 | 通道数量 | 界面 | 最大电源电压 | 最小电源电压 | 电源电流 | 比特数 | 电源电流-最大值 | 建筑学 | 转换器类型 | 电源类型 | 参考类型 | 数据接口 | 差分输出 | 决议案 | 采样率 | 电压 - 供电，模拟 | 电压 - 供电，数字 | 结算时间 | 最大双电源电压 | 消耗功率 | 线性度误差-最大值 (EL) | 积分非线性(INL) | 最小双电源电压 | 输入位代码 | 双电源电压 | 转换器数量 | 转换率 | INL/DNL(LSB) | 信噪比(SNR) | 负供电电压 | 输入格式 | D/A转换器数量 | 模拟输出电压-最大值 | 微分非线性 | DAC通道数 | 模拟输出电压-最小值 | 无杂散动态范围（SFDR） | 高度 | 座位高度(最大) | 长度 | 宽度 | 器件厚度 | 辐射硬化 | 达到SVHC | RoHS状态 | 无铅 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | TLV5630IDWRG4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | 表面贴装 | 表面贴装 | 20-SOIC (0.295, 7.50mm Width) | 20 | -40°C~85°C | Tape & Reel (TR) | Obsolete | 1 (Unlimited) | 20 | 3A001.A.5.B | 48mW | DUAL | 鸥翼 | 1 | 3V | 1.27mm | TLV5630 | 20 | Voltage - Buffered | 3/5V | SPI, Serial | 5.5V | 2.7V | 16mA | 12 | 字符串 DAC | D/A CONVERTER | Analog, Digital | External, Internal | SPI | 无 | 1.5 B | 283 ksps | 2.7V~3.3V 5V | 2.7V~3.3V 5V | 7μs | 0.1465% | 6 LSB | BINARY, 2'S COMPLEMENT BINARY | 283 ksps | ±2, ±0.5 | 8 | 5.1V | 2.65mm | 7.5mm | ROHS3 Compliant | ||||||||||||||||||||||||||||||||||||||
 | DAC7614PG4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | Gold | 通孔 | 16-DIP (0.300, 7.62mm) | NO | 16 | 1.053808g | -40°C~85°C | Tube | e4 | Obsolete | 1 (Unlimited) | 16 | 20mW | 1 | 5V | DAC7614 | 16 | Voltage - Buffered | 5V | Bipolar, Unipolar | 5.25V | 4.75V | -1.6mA | 12 | R-2R | D/A CONVERTER | Dual | External | SPI | 无 | 1.5 B | 89 ksps | ±5V | 10μs | 5.25V | 15mW | 2 LSB | 4.75V | BINARY | 5V | 4 | 89 ksps | ±2 (Max), ±1 (Max) | -5V | SERIAL | 1 LSB | 5.08mm | 19.305mm | 7.62mm | ROHS3 Compliant | 含铅 | |||||||||||||||||||||||||||||||||
 | DAC811JU/1K | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | 20 Weeks | ACTIVE (Last Updated: 1 week ago) | Gold | 表面贴装 | 28-SOIC (0.295, 7.50mm Width) | YES | 28 | 730.794007mg | 0°C~70°C | Tape & Reel (TR) | e4 | yes | 活跃 | 3 (168 Hours) | 28 | EAR99 | DUAL | 鸥翼 | 260 | 1 | 12V | DAC811 | 28 | Voltage - Buffered | Bipolar, Unipolar | -23mA | 12 | R-2R | D/A CONVERTER | Internal | Parallel | 无 | 1.5 B | 250 ksps | ±11.4V~16.5V | 5V | 4μs | 16.5V | 625mW | 0.0244% | 0.5 LSB | 11.4V | BINARY, OFFSET BINARY, 2'S COMPLEMENT BINARY | 15V | 250 ksps | ±0.25, ±0.5 | -12V | 0.75 LSB | 1 | 2.65mm | 17.9mm | 7.5mm | 2.35mm | ROHS3 Compliant | 无铅 | |||||||||||||||||||||||||||||
 | DAC712PLG4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | Gold | 通孔 | 28-DIP (0.300, 7.62mm) | NO | 28 | 2.063789g | 0°C~70°C | Tube | e4 | yes | Obsolete | 1 (Unlimited) | 28 | 600mW | 1 | 15V | 2.54mm | DAC712 | 28 | Voltage - Buffered | Bipolar | 22mA | 16 | R-2R | D/A CONVERTER | Dual | Internal | Parallel | 无 | 2 B | 100 ksps | ±11.4V~16.5V | 10μs | 16.5V | 525mW | 2 LSB | 11.4V | 2'S COMPLEMENT BINARY | 15V | 1 | 100 ksps | ±2 (Max), ±1 (Max) | -15V | 1 LSB | 5.08mm | 35.69mm | 7.62mm | ROHS3 Compliant | 无铅 | |||||||||||||||||||||||||||||||||||
 | DAC7731EBG4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | Gold | SSOP | YES | 24 | e4 | 3 (168 Hours) | 24 | 85°C | -40°C | 鸥翼 | 260 | 1 | 15V | 0.65mm | 24 | Voltage | Bipolar, Unipolar | INDUSTRIAL | SPI | 4mA | 16 | D/A CONVERTER | Analog, Digital, Dual | 2 B | 172 ksps | 5 μs | 15.75V | 100mW | 4 LSB | BINARY, OFFSET BINARY | 15V | 1 | 172 ksps | -15V | SERIAL | 2 LSB | 1.95mm | 8.2mm | 5.3mm | 无 | 符合RoHS标准 | 无铅 | ||||||||||||||||||||||||||||||||||||||||||
 | DAC8228SPAG | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | 6 Weeks | ACTIVE (Last Updated: 1 day ago) | Gold | 表面贴装 | 64-TQFP | YES | 64 | -40°C~105°C | Tray | e4 | yes | 活跃 | 4 (72 Hours) | 64 | EAR99 | QUAD | 鸥翼 | 260 | 1 | 16.5V | 0.5mm | DAC8228 | 64 | Voltage - Buffered | 33.5V | Bipolar, Unipolar | 36V | 9V | 4.5mA | 14 | 字符串 DAC | D/A CONVERTER | Analog, Digital, Dual | External | Parallel | 无 | 1.75 B | 0.066 MHz | 9V~36V ±4.5V~18V | 2.7V~5.5V | 15μs (Typ) | 18V | 107mW | 1 LSB | 4.5V | BINARY, 2'S COMPLEMENT BINARY | 17V | 1 | ±1 (Max), ±1 (Max) | -16.5V | 8 | 1 LSB | 1.2mm | 10mm | 10mm | 1mm | 无SVHC | ROHS3 Compliant | 无铅 | |||||||||||||||||||||||||
.png) | TLV5620INE4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | N | NO | 14 | 927.99329mg | 6mW | e4 | yes | 14 | 85°C | -40°C | DUAL | THROUGH-HOLE | 1 | 3.3V | 14 | Voltage | 3.3V | SPI, Serial | 5.25V | 2.7V | 2mA | 8 | Single | 1 B | 48 ksps | 10 μs | 6mW | 0.3906% | 1 LSB | 4 | 48 ksps | 0.9 LSB | 19.305mm | 7.62mm | 无 | 符合RoHS标准 | 含铅 | |||||||||||||||||||||||||||||||||||||||||||||||
| TLV5621EDG4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | D | YES | 14 | 133.412856mg | Rail/Tube | e4 | yes | 1 (Unlimited) | 14 | 85°C | -40°C | 鸥翼 | 260 | 1 | 3.3V | 1.27mm | 14 | Voltage | 3.3V | 3/5V | SPI, Serial | 5.5V | 2.7V | 1mA | 8 | Single | 1 B | 8 ksps | 10 μs | 3.6mW | 0.3906% | 1 LSB | BINARY | 4 | 8 ksps | 2.9V | 0.9 LSB | 1.75mm | 3.9mm | 无 | 符合RoHS标准 | 含铅 | ||||||||||||||||||||||||||||||||||||||||||
 | DAC8565IDPWRG4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | TSSOP | YES | 16 | 62.99264mg | 8.8mW | e4 | yes | 1 (Unlimited) | 16 | Nickel/Palladium/Gold (Ni/Pd/Au) | 105°C | -40°C | DUAL | 鸥翼 | 260 | 1 | 3V | 0.65mm | 16 | Voltage | 3/5V | INDUSTRIAL | SPI, Serial | 5.5V | 2.7V | 16 | D/A CONVERTER | Single | 2 B | 200 ksps | 8 μs | 3.1mW | 0.0122% | 8 LSB | BINARY, 2'S COMPLEMENT BINARY | 4 | 200 ksps | 90 dB | 2.5025V | 1 LSB | 78 dB | 1.2mm | 5mm | 无 | 符合RoHS标准 | 含铅 | ||||||||||||||||||||||||||||||||||||||
| DAC715PG4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | Gold | 通孔 | 28-DIP (0.300, 7.62mm) | NO | 28 | 2.063789g | -40°C~85°C | Tube | e4 | yes | Obsolete | 1 (Unlimited) | 28 | 600mW | 1 | 15V | 2.54mm | DAC715 | 28 | Voltage - Buffered | Unipolar | 22mA | 16 | R-2R | D/A CONVERTER | Dual | Internal | Parallel | 无 | 2 B | 100 ksps | ±11.4V~16.5V | 10μs | 16.5V | 10mW | 4 LSB | 11.4V | 2'S COMPLEMENT BINARY | 15V | 1 | 100 ksps | ±8 (Max), ±8 (Max) | -15V | 4 LSB | 5.08mm | 35.69mm | 7.62mm | Unknown | ROHS3 Compliant | 无铅 | ||||||||||||||||||||||||||||||||||
 | DAC8831IBRGYTG4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | OBSOLETE (Last Updated: 1 week ago) | Gold, Tin | 表面贴装 | 14-VFQFN Exposed Pad | YES | 14 | -40°C~85°C | Tape & Reel (TR) | e4 | Obsolete | 2 (1 Year) | 14 | Nickel/Palladium/Gold (Ni/Pd/Au) | QUAD | 260 | 1 | 3V | 0.5mm | DAC8831 | 14 | Voltage - Unbuffered | Bipolar, Unipolar | 3/5V | 5.5V | 2.7V | 5μA | 16 | R-2R | D/A CONVERTER | Single | External | SPI | 无 | 2 B | 2 Msps | 2.7V~5.5V | 2.7V~5.5V | 1μs (Typ) | 2 LSB | BINARY | 1 | 2 Msps | ±0.5, ±0.5 | 92 dB | SERIAL | 2.5V | 1 LSB | -2.5V | 1mm | 3.5mm | 3.5mm | 900μm | ROHS3 Compliant | 无铅 | ||||||||||||||||||||||||||||||
| DAC8411IDCKRG4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | Gold | SC | YES | 6 | 卷带 | e4 | 1 (Unlimited) | 6 | 125°C | -40°C | DUAL | 鸥翼 | 260 | 1 | 3V | 6 | Voltage | Unipolar | 2/5V | AUTOMOTIVE | SPI | 5.5V | 1.8V | 16 | D/A CONVERTER | Single | 2 B | 6 μs | 8 LSB | BINARY | 1 | 88 dB | SERIAL | 2 LSB | 66 dB | 2mm | 无 | 符合RoHS标准 | 无铅 | |||||||||||||||||||||||||||||||||||||||||||||
| TLC7524ENG4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | 6 Weeks | 通孔 | 16-DIP (0.300, 7.62mm) | -40°C~85°C | Tube | 活跃 | 1 (Unlimited) | TLC7524 | Current - Unbuffered | 8 | R-2R | External | Parallel | 有 | 5V 14.5V~15.5V | 5V 14.5V~15.5V | 100ns | ±0.5 (Max), ±2.5 (Max) | 1 | ROHS3 Compliant | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | TLV5623CDRG4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | 6 Weeks | 表面贴装 | 8-SOIC (0.154, 3.90mm Width) | YES | 0°C~70°C | Tape & Reel (TR) | e4 | yes | 活跃 | 1 (Unlimited) | 8 | Nickel/Palladium/Gold (Ni/Pd/Au) | DUAL | 鸥翼 | 260 | 1 | 3V | TLV5623 | 8 | Voltage - Buffered | 3/5V | 8 | 字符串 DAC | D/A CONVERTER | External | SPI | 无 | 2.7V~3.3V 5V | 2.7V~3.3V 5V | 20μs | BINARY | ±0.3, ±0.07 | SERIAL | 1 | 5.4V | 4.9mm | ROHS3 Compliant | |||||||||||||||||||||||||||||||||||||||||||||||
| TLV5613CDWR | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | 表面贴装 | 表面贴装 | 20-SOIC (0.295, 7.50mm Width) | 20 | 0°C~70°C | Tape & Reel (TR) | Obsolete | 1 (Unlimited) | 20 | 4.2mW | DUAL | 鸥翼 | 1 | 5V | TLV5613 | 20 | Voltage - Buffered | 3/5V | 5.5V | 2.7V | 1.6mA | 12 | 字符串 DAC | D/A CONVERTER | Analog, Digital | External | Parallel | 无 | 1.5 B | 286 ksps | 2.7V~3.3V 5V | 2.7V~3.3V 5V | 7μs | 0.0977% | 4 LSB | BINARY | 286 ksps | ±1.5, ±0.4 | 1 | 4.6V | 2.65mm | 7.5mm | ROHS3 Compliant | |||||||||||||||||||||||||||||||||||||||||
 | TLC7524IFNR | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | 表面贴装 | 表面贴装 | 20-LCC (J-Lead) | 20 | -25°C~85°C | Tape & Reel (TR) | Obsolete | 1 (Unlimited) | 20 | 5mW | QUAD | J BEND | 未说明 | 1 | 5V | 未说明 | TLC7524 | 20 | 不合格 | Current - Unbuffered | 15.5V | 4.75V | 8 | 2mA | R-2R | D/A CONVERTER | Single | External | Parallel | 有 | 1 B | 10 Msps | 5V 14.5V~15.5V | 5V 14.5V~15.5V | 100ns | 0.5 LSB | BINARY, OFFSET BINARY | 10 Msps | ±0.5 (Max), ±2.5 (Max) | 1 | 4.57mm | ROHS3 Compliant | ||||||||||||||||||||||||||||||||||||||||||
 | TLV5616IDG4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | SOIC | YES | 8 | 75.891673mg | Rail/Tube | e4 | 1 (Unlimited) | 8 | Nickel/Palladium/Gold (Ni/Pd/Au) | 85°C | -40°C | DUAL | 鸥翼 | 260 | 1 | 3V | 8 | Voltage | 5V | Unipolar | INDUSTRIAL | SPI | 5.5V | 2.7V | 900μA | 12 | D/A CONVERTER | Single | 1.5 B | 102 ksps | 3 μs | 900μW | 0.0977% | 4 LSB | BINARY | 1 | 102 ksps | 74 dB | SERIAL | 3.2V | 1 LSB | 70 dB | 1.58mm | 4.9mm | 3.91mm | 无 | 符合RoHS标准 | 无铅 | ||||||||||||||||||||||||||||||||||||
 | TLV5610IPWG4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | TSSOP | YES | 20 | 78.187985mg | 18mW | e4 | 1 (Unlimited) | 20 | Nickel/Palladium/Gold (Ni/Pd/Au) | 85°C | -40°C | DUAL | 鸥翼 | 260 | 1 | 3V | 0.65mm | 20 | Voltage | 3/5V | INDUSTRIAL | SPI | 5.5V | 2.7V | 16mA | 12 | D/A CONVERTER | Analog, Digital | 1.5 B | 283 ksps | 1 μs | 18mW | 0.1465% | 6 LSB | BINARY, 2'S COMPLEMENT BINARY | 8 | 283 ksps | SERIAL | 5.1V | 1 LSB | 1.2mm | 6.5mm | 4.4mm | 无 | 符合RoHS标准 | 无铅 | ||||||||||||||||||||||||||||||||||||||
 | TLV5628CDWG4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | SOIC | YES | 16 | 420.395078mg | 12mW | e4 | 1 (Unlimited) | 16 | Nickel/Palladium/Gold (Ni/Pd/Au) | 85°C | -40°C | DUAL | 鸥翼 | 260 | 8 | 3.3V | 1.27mm | 16 | Voltage | 3.3V | Unipolar | COMMERCIAL | 8 | SPI | 5.25V | 2.7V | 4mA | 8 | D/A CONVERTER | Single | 1 B | 45 ksps | 10 μs | 12mW | 0.3906% | 1 LSB | BINARY | 45 ksps | SERIAL | 0.9 LSB | 2.35mm | 10.28mm | 7.52mm | 无 | 符合RoHS标准 | 无铅 | ||||||||||||||||||||||||||||||||||||||
 | TLV5606CDGKRG4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | VSSOP | YES | 8 | 23.303308mg | 卷带 | e4 | 1 (Unlimited) | 8 | Nickel/Palladium/Gold (Ni/Pd/Au) | 85°C | -40°C | DUAL | 鸥翼 | 260 | 1 | 3V | 0.65mm | 8 | Voltage | 3/5V | COMMERCIAL | SPI | 5.5V | 2.7V | 900μA | 10 | D/A CONVERTER | Single | 1.25 B | 102 ksps | 3 μs | 1.5 LSB | BINARY | 1 | 102 ksps | 62 dB | SERIAL | 5.4V | 1 LSB | 68 dB | 3mm | 3mm | 无 | 符合RoHS标准 | 无铅 | |||||||||||||||||||||||||||||||||||||||
 | TLV5626IDG4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | SOIC | YES | 8 | 75.891673mg | Rail/Tube | e4 | 1 (Unlimited) | 8 | EAR99 | Nickel/Palladium/Gold (Ni/Pd/Au) | 85°C | -40°C | DUAL | 鸥翼 | 260 | 1 | 3V | 8 | Voltage | 5V | Unipolar | INDUSTRIAL | SPI | 5.5V | 2.7V | 4.2mA | 8 | D/A CONVERTER | Single | 1 B | 278 ksps | 800 ns | 4.2mW | 0.3906% | 1 LSB | BINARY | 2 | 278 ksps | 57 dB | SERIAL | 0.5 LSB | 62 dB | 1.58mm | 4.9mm | 3.91mm | 无 | 符合RoHS标准 | 无铅 | ||||||||||||||||||||||||||||||||||||
 | TLV5613CDWG4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | SOIC | YES | 20 | 537.308512mg | 4.2mW | Rail/Tube | e4 | 1 (Unlimited) | 20 | Nickel/Palladium/Gold (Ni/Pd/Au) | 85°C | -40°C | DUAL | 鸥翼 | 260 | 1 | 3V | 20 | Voltage | 3/5V | COMMERCIAL | Parallel | 5.5V | 2.7V | 1.6mA | 12 | D/A CONVERTER | Analog, Digital | 1.5 B | 286 ksps | 1 μs | 1.2mW | 0.0977% | 4 LSB | BINARY | 1 | 286 ksps | 78 dB | 1 LSB | 72 dB | 2.65mm | 7.52mm | 无 | 符合RoHS标准 | 无铅 | |||||||||||||||||||||||||||||||||||||||
| TLV5608IDWG4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | SOIC | YES | 20 | 537.308512mg | 18mW | e4 | 1 (Unlimited) | 20 | Nickel/Palladium/Gold (Ni/Pd/Au) | 85°C | -40°C | DUAL | 鸥翼 | 260 | 1 | 3V | 1.27mm | 20 | Voltage | 3/5V | INDUSTRIAL | SPI | 5.5V | 2.7V | 16mA | 10 | D/A CONVERTER | Analog, Digital | 1.25 B | 283 ksps | 1 μs | 18mW | 0.195% | 2 LSB | BINARY, 2'S COMPLEMENT BINARY | 8 | 283 ksps | SERIAL | 5.1V | 1 LSB | 2.65mm | 7.5mm | 无 | 符合RoHS标准 | 无铅 | |||||||||||||||||||||||||||||||||||||||
 | TLV5627CPWG4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | TSSOP | YES | 16 | 62.99264mg | 7mW | Rail/Tube | e4 | 1 (Unlimited) | 16 | Nickel/Palladium/Gold (Ni/Pd/Au) | 85°C | -40°C | DUAL | 鸥翼 | 260 | 1 | 3V | 0.65mm | 16 | Voltage | 3/5V | COMMERCIAL | SPI | 5.5V | 2.7V | 3.5mA | 8 | D/A CONVERTER | Analog, Digital | 1 B | 107 ksps | 2.5 μs | 3mW | 0.1953% | 0.5 LSB | BINARY | 4 | 107 ksps | 57 dB | SERIAL | 5.1V | 0.5 LSB | 60 dB | 1.2mm | 5mm | 无 | 符合RoHS标准 | 无铅 | ||||||||||||||||||||||||||||||||||||
 | TLV5627IDG4 | NA | 数据表 | N/A | - | 最小起订量: 1 倍率: 1 | SOIC | YES | 16 | 155.100241mg | e4 | 1 (Unlimited) | 16 | Nickel/Palladium/Gold (Ni/Pd/Au) | 85°C | -40°C | DUAL | 鸥翼 | 260 | 1 | 3V | 1.27mm | 16 | Voltage | 3/5V | INDUSTRIAL | SPI | 5.5V | 2.7V | 3.5mA | 8 | D/A CONVERTER | Analog, Digital | 1 B | 107 ksps | 2.5 μs | 3mW | 0.1953% | 0.5 LSB | BINARY | 4 | 107 ksps | 57 dB | SERIAL | 5.1V | 0.5 LSB | 60 dB | 1.75mm | 9.9mm | 3.905mm | 无 | 符合RoHS标准 | 无铅 |