类别是'category.阵列,信号转换器' (2449)
- 所有品牌
对比 | 图片 | 产品型号 | 品牌 | 数据表 | 库存 | 价格(含增值税) | 数量 | Rohs | 工厂交货时间 | 底架 | 安装类型 | 包装/外壳 | 端子形状 | 引脚数 | 质量 | 形状/尺寸说明 | 型芯材料 | 操作温度 | 包装 | 已出版 | 系列 | 尺寸/尺寸 | 容差 | 无铅代码 | 零件状态 | 湿度敏感性等级(MSL) | 终止次数 | 终端 | ECCN 代码 | 电阻 | 最高工作温度 | 最小工作温度 | HTS代码 | 包装方式 | 屏蔽/屏蔽 | 功能数量 | 深度 | 结构 | Reach合规守则 | 额定电流 | 军用标准 | 螺纹距离 | 电感,电感 | 测试频率 | 直流电阻(DCR) | 电流 | 最大直流电流 | 电感器应用 | 端子放置位置 | 引线/基座样式 | 电感器类型 | 箱体/尺寸标志 | 直流电阻(DCR)-并联 | 电感容差 | 直流电 | 均方根电流(Irms) | 串联电阻 | 自谐振频率 | 电感-并联 | 电感-系列 | 线圈的数量 | 直流电阻(DCR)-串联 | 串联额定电流 | 并联额定电流 | 电感-串联 | 电感-并联连接 | 电流饱和(并联) | 电流饱和(串联) | 高度 | 座位高度(最大) | 长度 | 宽度 | 辐射硬化 | 达到SVHC | RoHS状态 | 无铅 | 评级结果 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() | CTX150-4A-R | Eaton - Electronics Division | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 15 Weeks | 表面贴装 | 表面贴装 | Nonstandard | 4 | 2.267962g | Metal | -40°C~85°C | Tape & Reel (TR) | 2007 | OCTA-PAC® PLUS | 0.550Lx0.550W 13.97mmx13.97mm | ±25% | 活跃 | 1 (Unlimited) | SMD/SMT | 365mOhm | 85°C | -40°C | Unshielded | 13.97mm | Not | 150 μH | 100kHz | 550mA | 1.07A | 365mOhm Max | 153.5 μH | 613.9 μH | 2 | 1.462Ohm Max | 550mA | 1.1A | 613.9μH | 153.5μH | 1.07A | 540mA | 0.250 6.35mm | 13.97mm | 13.97mm | 无 | ROHS3 Compliant | 无铅 | |||||||||||||||||||||||||||||
![]() | HM78D-755681MLFTR | TT Electronics/BI Magnetics | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | 表面贴装 | Nonstandard | -40°C~125°C | Tape & Reel (TR) | HM78D | 0.303Lx0.303W 7.70mmx7.70mm | ±20% | Discontinued | 1 (Unlimited) | SMD/SMT | 85°C | -40°C | Shielded | 330mA | 680 μH | 166mA | 380mA | 2.58Ohm | 20% | 330mA | 10.3Ohm | 680 μH | 2.685 mH | 2 | 10.3Ohm | 166mA | 330mA | 2.685mH | 680μH | 380mA | 190mA | 0.189 4.80mm | 7.6962mm | 7.7mm | 无SVHC | 符合RoHS标准 | |||||||||||||||||||||||||||||||||||
![]() | CTX5-4 | Eaton - Electronics Division | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | Nonstandard | -40°C~85°C | Tape & Reel (TR) | 1997 | OCTA-PAC® | 0.550Lx0.550W 13.97mmx13.97mm | ±20% | Obsolete | 1 (Unlimited) | Unshielded | 14mOhm Max | 2 | 56mOhm Max | 2.2A | 4.4A | 19.6μH | 4.9μH | 0.250 6.35mm | Non-RoHS Compliant | ||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | CTX50-1-R | Eaton - Electronics Division | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 15 Weeks | 表面贴装 | 表面贴装 | Nonstandard | 4 | 1.360777g | Ferrite, Metal | -40°C~85°C | Tape & Reel (TR) | 2007 | OCTA-PAC® | 0.450Lx0.450W 11.43mmx11.43mm | ±20% | 活跃 | 1 (Unlimited) | SMD/SMT | 365mOhm | 85°C | -40°C | Unshielded | 11.43mm | 640mA | Not | 50.63 μH | 100kHz | 320mA | 640mA | 365mOhm Max | 50.63 μH | 202.5 μH | 2 | 1.461Ohm Max | 320mA | 640mA | 202.5μH | 50.63μH | 0.165 4.19mm | 11.43mm | 11.43mm | ROHS3 Compliant | 无铅 | |||||||||||||||||||||||||||||||
![]() | 7009-RC | Bourns Inc. | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 通孔 | 通孔 | Radial, Vertical, 4 Leads | WIRE | 4 | 矩形包装 | -55°C~105°C | Bulk | 2009 | 7000 | 1.125Lx0.600W 28.58mmx15.24mm | ±15% | yes | Obsolete | 1 (Unlimited) | 4 | Radial | EAR99 | 320mOhm | NO | 1 | 15.24mm | 1.75A | Not | 20.32mm | 200 μH | 1kHz | 320mOhm | 1.75A | 高电流电感器 | DUAL IN-LINE | Pin | 通用电感器 | 15% | 1.75A | 1.75A | 2 | 320mOhm Max | 1.250 31.75mm | 31.75mm | 无SVHC | ROHS3 Compliant | ||||||||||||||||||||||||||||||
![]() | CTX200-1A-R | Eaton - Electronics Division | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 11 Weeks | 表面贴装 | Nonstandard | -40°C~85°C | Tape & Reel (TR) | 2007 | OCTA-PAC® PLUS | 0.450Lx0.450W 11.43mmx11.43mm | ±25% | Obsolete | 1 (Unlimited) | Unshielded | 963mOhm Max | 2 | 3.854Ohm Max | 310mA | 620mA | 794.3μH | 198.6μH | 580mA | 290mA | 0.165 4.19mm | ||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | DRQ125-330-R | Eaton - Electronics Division | 数据表 | 11990 In Stock | - | 最小起订量: 1 最小包装量: 1 | 14 Weeks | 表面贴装 | 表面贴装 | Nonstandard | 4 | 4.082331g | Ferrite | -40°C~125°C | Tape & Reel (TR) | 2011 | DRQ | 0.492Lx0.492W 12.50mmx12.50mm | ±20% | 活跃 | 1 (Unlimited) | SMD/SMT | 50.5mOhm | 125°C | -40°C | Shielded | 12.5mm | 3.28A | Not | 33 μH | 100kHz | 1.64A | 3.84A | 50.5mOhm | 100kHz | 33.74 μH | 135 μH | 2 | 203mOhm | 1.64A | 3.28A | 135μH | 33.74μH | 3.84A | 1.92A | 0.236 6.00mm | 12.4968mm | 12.4968mm | 无 | ROHS3 Compliant | 无铅 | |||||||||||||||||||||||||||
![]() | CTX10-1P-R | Eaton - Electronics Division | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 15 Weeks | 表面贴装 | 表面贴装 | Nonstandard | 4 | 1.360777g | Ferrite | -40°C~85°C | Tape & Reel (TR) | 2007 | Econo-Pac™ | 0.450Lx0.450W 11.43mmx11.43mm | ±20% | 活跃 | 1 (Unlimited) | SMD/SMT | 57mOhm | 85°C | -40°C | Unshielded | 11.43mm | 1.7A | Not | 9.62 μH | 100kHz | 1.7A | 57mOhm Max | 20% | 1.7A | 9.62 μH | 38.48 μH | 2 | 227mOhm Max | 850mA | 1.7A | 38.48μH | 9.62μH | 0.165 4.19mm | 11.43mm | 11.43mm | 无 | 无SVHC | ROHS3 Compliant | 无铅 | ||||||||||||||||||||||||||||
![]() | CL-12-24 | Signal Transformer | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 16 Weeks | 底座安装 | 底座安装 | Nonstandard | 焊柱 | 矩形包装 | 并联 | Bulk | 2009 | CL | 3.374Lx3.563W 85.70mmx90.50mm | 活跃 | 不适用 | 4 | EAR99 | 8504.50.80.00 | NO | 2 | unknown | 1200 μH | 12A | 过滤器堵塞 | DUAL IN-LINE | 通用电感器 | 13mOhm | 1.2 mH | 4.8 mH | 2 | 52mOhm | 24A | 1.2mH | 2.811 71.40mm | ROHS3 Compliant | |||||||||||||||||||||||||||||||||||||||
![]() | DRAQ127-330-R | Eaton - Electronics Division | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 13 Weeks | 表面贴装 | 表面贴装 | Nonstandard | Ferrite | -40°C~165°C | Tape & Reel (TR) | 2014 | DRAQ127 | 0.480Lx0.480W 12.20mmx12.20mm | ±25% | 活跃 | 1 (Unlimited) | SMD/SMT | 72mOhm | 165°C | -40°C | Shielded | 100kHz | 1.61A | 72mOhm Max | 32 μH | 128 μH | 2 | 288mOhm Max | 1.61A | 3.22A | 128μH | 32μH | 4.98A | 2.49A | 0.315 8.00mm | 12.192mm | 12.192mm | ROHS3 Compliant | AEC-Q200 | ||||||||||||||||||||||||||||||||||||
![]() | DRQ125-6R8-R | Eaton - Electronics Division | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 9 Weeks | 表面贴装 | 表面贴装 | Nonstandard | 4 | 4.082331g | Ferrite | -40°C~125°C | Tape & Reel (TR) | 2011 | DRQ | 0.492Lx0.492W 12.50mmx12.50mm | ±20% | 活跃 | 1 (Unlimited) | SMD/SMT | 12.3mOhm | 125°C | -40°C | Shielded | 12.5mm | 3.32A | Not | 6.8 μH | 100kHz | 3.32A | 8.68A | 12.3mOhm | 20% | 6.64A | 100kHz | 6.59 μH | 26.35 μH | 2 | 49.2mOhm | 3.32A | 6.64A | 26.35μH | 6.588μH | 8.68A | 4.34A | 0.236 6.00mm | 12.5mm | 12.5mm | 无SVHC | ROHS3 Compliant | 无铅 | |||||||||||||||||||||||||
![]() | IHCL4040DZER330M5A | Vishay Dale | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | 表面贴装 | Nonstandard | Composite, Metal | -55°C~155°C | Tape & Reel (TR) | 2014 | IHCL | 0.420Lx0.400W 10.67mmx10.16mm | ±20% | Obsolete | 1 (Unlimited) | SMD/SMT | 182.4mOhm | 155°C | -55°C | Shielded | 10.16mm | 33 μH | 176.2mOhm | 2.6A | 2.6A | 33 μH | 33 μH | 2 | 0.157 4.00mm | 10.67mm | 10.16mm | 无 | Unknown | ROHS3 Compliant | 无铅 | AEC-Q200 | |||||||||||||||||||||||||||||||||||||||
![]() | 7448841082 | Würth Elektronik | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 16 Weeks | 表面贴装 | Nonstandard | -40°C~125°C | Tape & Reel (TR) | WE-DPC HV | 0.205Lx0.205W 5.20mmx5.20mm | ±30% | 活跃 | 1 (Unlimited) | Shielded | 265mOhm | 2 | 1.3A | 8.2μH | 1.6A | 0.122 3.10mm | ROHS3 Compliant | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | IHCL4040DZER470M5A | Vishay Dale | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | 表面贴装 | Nonstandard | Composite, Metal | -55°C~155°C | Tape & Reel (TR) | 2014 | IHCL | 0.420Lx0.400W 10.67mmx10.16mm | ±20% | Obsolete | 1 (Unlimited) | SMD/SMT | EAR99 | 265.2mOhm | 8504.50.80.00 | Shielded | 10.16mm | 47 μH | 257.5mOhm | 2.2A | 通用电感器 | 2.2A | 47 μH | 47 μH | 2 | 0.157 4.00mm | 无 | Unknown | ROHS3 Compliant | 无铅 | AEC-Q200 | ||||||||||||||||||||||||||||||||||||||||
![]() | P0180NLT | Pulse Electronics Power | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 13 Weeks | 表面贴装 | 表面贴装 | Nonstandard | 一个表面 | 矩形包装 | 并联 | -40°C~130°C | Tape & Reel (TR) | 2007 | Polecat | 0.500Lx0.500W 12.70mmx12.70mm | ±10% | yes | 活跃 | 1 (Unlimited) | 4 | SMD/SMT | EAR99 | 8504.50.80.00 | NO | 2 | 12.7mm | Not | 29.3 μH | 1.07A | 2.2A | 功率电感 | DUAL IN-LINE | 通用电感器 | 106mOhm Max | 2.2A | 29.3 μH | 106.1 μH | 2 | 404mOhm Max | 131μH | 32.8μH | 0.215 5.46mm | 无 | 符合RoHS标准 | |||||||||||||||||||||||||||||||
![]() | DRAQ127-150-R | Eaton - Electronics Division | 数据表 | N/A |
- | 最小起订量: 1 最小包装量: 1 | 13 Weeks | 表面贴装 | 表面贴装 | Nonstandard | Ferrite | -40°C~165°C | Tape & Reel (TR) | 2014 | DRAQ127 | 0.480Lx0.480W 12.20mmx12.20mm | ±25% | 活跃 | 1 (Unlimited) | SMD/SMT | 32mOhm | 165°C | -40°C | Shielded | 2.41A | 32mOhm Max | 14.9 μH | 59.6 μH | 2 | 128mOhm Max | 2.41A | 4.83A | 59.6μH | 14.9μH | 7.23A | 3.61A | 0.315 8.00mm | 12.192mm | 12.192mm | ROHS3 Compliant | AEC-Q200 | |||||||||||||||||||||||||||||||||||||
![]() | CTX0.33-2A-R | Eaton - Electronics Division | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 表面贴装 | Nonstandard | -40°C~85°C | Tape & Reel (TR) | OCTA-PAC® PLUS | 0.450Lx0.450W 11.43mmx11.43mm | ±25% | Obsolete | 1 (Unlimited) | Unshielded | 3.3mOhm Max | 2 | 13.2mOhm Max | 5.47A | 10.9A | 1.14μH | 284nH | 18.8A | 9.38A | 0.235 5.97mm | ||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | CTX1-2A-R | Eaton - Electronics Division | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 11 Weeks | 表面贴装 | Nonstandard | -40°C~85°C | Tape & Reel (TR) | 2007 | OCTA-PAC® PLUS | 0.450Lx0.450W 11.43mmx11.43mm | ±25% | Obsolete | 1 (Unlimited) | Unshielded | 5.8mOhm Max | 2 | 23.3mOhm Max | 4.11A | 8.22A | 5.06μH | 1.26μH | 9.38A | 4.69A | 0.235 5.97mm | ||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | CTX200-2A-R | Eaton - Electronics Division | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 11 Weeks | 表面贴装 | Nonstandard | -40°C~85°C | Tape & Reel (TR) | 2007 | OCTA-PAC® PLUS | 0.450Lx0.450W 11.43mmx11.43mm | ±25% | Obsolete | 1 (Unlimited) | Unshielded | 950mOhm Max | 2 | 3.8Ohm Max | 320mA | 640mA | 790μH | 197.5μH | 750mA | 380mA | 0.235 5.97mm | ||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | CTX10-1-R | Eaton - Electronics Division | 数据表 | 1000 In Stock | - | 最小起订量: 1 最小包装量: 1 | 15 Weeks | 表面贴装 | 表面贴装 | Nonstandard | 4 | 1.360777g | Ferrite, Metal | -40°C~85°C | Tape & Reel (TR) | 2007 | OCTA-PAC® | 0.450Lx0.450W 11.43mmx11.43mm | ±20% | 活跃 | 1 (Unlimited) | SMD/SMT | 44mOhm | 85°C | -40°C | Unshielded | 11.43mm | 1.9A | Not | 10 μH | 100kHz | 1.9A | 44mOhm Max | 1.9A | 10 μH | 40 μH | 2 | 176mOhm Max | 950mA | 1.9A | 40μH | 10μH | 0.165 4.19mm | 11.43mm | 11.43mm | 无 | 无SVHC | ROHS3 Compliant | 无铅 | |||||||||||||||||||||||||||||
![]() | CTX1-2P-R | Eaton - Electronics Division | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 16 Weeks | 表面贴装 | 表面贴装 | Nonstandard | 4 | 453.59237mg | Ferrite | -40°C~85°C | Tape & Reel (TR) | 2007 | Econo-Pac™ | 0.450Lx0.450W 11.43mmx11.43mm | ±20% | 活跃 | 1 (Unlimited) | SMD/SMT | 8mOhm | 85°C | -40°C | Unshielded | 5A | 1.22 μH | 2.5A | 5A | 8mOhm Max | 1.22 μH | 4.9 μH | 2 | 33mOhm Max | 2.5A | 5A | 4.9μH | 1.22μH | 0.235 5.97mm | 11.43mm | 8.89mm | ROHS3 Compliant | 无铅 | ||||||||||||||||||||||||||||||||||
![]() | 74489430120 | Würth Elektronik | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 12 Weeks | 表面贴装 | 表面贴装 | Nonstandard | 4 | Ferrite | -40°C~125°C | Tape & Reel (TR) | WE-TDC | 0.315Lx0.315W 8.00mmx8.00mm | ±20% | 活跃 | 1 (Unlimited) | SMD/SMT | 227mOhm | 125°C | -40°C | Shielded | 12 μH | 950mA | 227mOhm Max | 20% | 950mA | 33MHz | 12 μH | 48 μH | 2 | 475mA | 950mA | 48μH | 12μH | 1.55A | 775mA | 0.083 2.10mm | 8.001mm | 8.001mm | Unknown | ROHS3 Compliant | ||||||||||||||||||||||||||||||||||
![]() | P0396NLT | Pulse Electronics Power | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 11 Weeks | 表面贴装 | 表面贴装 | Nonstandard | 一个表面 | 4.20001g | 矩形包装 | 并联 | -40°C~130°C | Tape & Reel (TR) | 2007 | Tomcat | 0.715Lx0.590W 18.16mmx14.99mm | ±20% | yes | 活跃 | 1 (Unlimited) | 4 | SMD/SMT | EAR99 | 8504.50.80.00 | TR | NO | 2 | 14.99mm | Toroidal | Not | 2.4 μH | 5.6A | 11.2A | 功率电感 | DUAL IN-LINE | 通用电感器 | 7159 | 6.54mOhm | 11.2A | 2.4 μH | 9.7 μH | 2 | 26.2mOhm | 14μH | 3.5μH | 0.310 7.87mm | 无 | 符合RoHS标准 | |||||||||||||||||||||||||||
![]() | 744894400082 | Würth Elektronik | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 12 Weeks | 表面贴装 | 表面贴装 | Nonstandard | 4 | Ferrite | -40°C~125°C | Tape & Reel (TR) | WE-TDC | 0.315Lx0.315W 8.00mmx8.00mm | ±30% | 活跃 | 1 (Unlimited) | SMD/SMT | 20mOhm | 125°C | -40°C | Shielded | 820 nH | 3.7A | 20mOhm Max | 30% | 140MHz | 820 nH | 3.28 μH | 2 | 1.85A | 3.7A | 3.28μH | 820nH | 9.6A | 4.8A | 0.150 3.80mm | 8.001mm | 8mm | 无SVHC | ROHS3 Compliant | |||||||||||||||||||||||||||||||||||
![]() | P0402NL | Pulse Electronics Power | 数据表 | N/A | - | 最小起订量: 1 最小包装量: 1 | 11 Weeks | 表面贴装 | 表面贴装 | Nonstandard | 一个表面 | 矩形包装 | 并联 | -40°C~130°C | Tube | 2007 | Tomcat | 0.715Lx0.590W 18.16mmx14.99mm | ±20% | yes | 活跃 | 1 (Unlimited) | 4 | SMD/SMT | EAR99 | 53.21mOhm | 8504.50.80.00 | NO | 2 | 14.99mm | Toroidal | Not | 27 μH | 1.77A | 3.54A | 功率电感 | DUAL IN-LINE | 通用电感器 | 7159 | 53.21mOhm | 3.54A | 27 μH | 108 μH | 2 | 212.8mOhm | 161.8μH | 40.5μH | 0.310 7.87mm | 无 | 符合RoHS标准 |
CTX150-4A-R
Eaton - Electronics Division
分类:Arrays, Signal Transformers
HM78D-755681MLFTR
TT Electronics/BI Magnetics
分类:Arrays, Signal Transformers
CTX5-4
Eaton - Electronics Division
分类:Arrays, Signal Transformers
CTX50-1-R
Eaton - Electronics Division
分类:Arrays, Signal Transformers
7009-RC
Bourns Inc.
分类:Arrays, Signal Transformers
CTX200-1A-R
Eaton - Electronics Division
分类:Arrays, Signal Transformers
DRQ125-330-R
Eaton - Electronics Division
分类:Arrays, Signal Transformers
CTX10-1P-R
Eaton - Electronics Division
分类:Arrays, Signal Transformers
CL-12-24
Signal Transformer
分类:Arrays, Signal Transformers
DRAQ127-330-R
Eaton - Electronics Division
分类:Arrays, Signal Transformers
DRQ125-6R8-R
Eaton - Electronics Division
分类:Arrays, Signal Transformers
IHCL4040DZER330M5A
Vishay Dale
分类:Arrays, Signal Transformers
7448841082
Würth Elektronik
分类:Arrays, Signal Transformers
IHCL4040DZER470M5A
Vishay Dale
分类:Arrays, Signal Transformers
P0180NLT
Pulse Electronics Power
分类:Arrays, Signal Transformers
DRAQ127-150-R
Eaton - Electronics Division
分类:Arrays, Signal Transformers
15.131491
CTX0.33-2A-R
Eaton - Electronics Division
分类:Arrays, Signal Transformers
CTX1-2A-R
Eaton - Electronics Division
分类:Arrays, Signal Transformers
CTX200-2A-R
Eaton - Electronics Division
分类:Arrays, Signal Transformers
CTX10-1-R
Eaton - Electronics Division
分类:Arrays, Signal Transformers
CTX1-2P-R
Eaton - Electronics Division
分类:Arrays, Signal Transformers
74489430120
Würth Elektronik
分类:Arrays, Signal Transformers
P0396NLT
Pulse Electronics Power
分类:Arrays, Signal Transformers
744894400082
Würth Elektronik
分类:Arrays, Signal Transformers
P0402NL
Pulse Electronics Power
分类:Arrays, Signal Transformers
