| 
   
   | 
  
   
    
     
       
      | 
     
    
     | 
 
 
 
 
    
 
  | 
        Semiconductor parts containing 551 
      in root number. Page 12.    |   | 
  
   
   | 
  
 
  ![]()  | 
  
 
VISAY 
| Part | Description |  
| Y1755120M500D |  Hermetically Sealed Ultra High Precision Z-Foil Technology Resistors with TCR of ?? 0.2 ppm/?°C, Tolerance of ?? 0.001 % and |  
| Y1755120M500Q |  Hermetically Sealed Ultra High Precision Z-Foil Technology Resistors with TCR of ?? 0.2 ppm/?°C, Tolerance of ?? 0.001 % and |  
| Y1755120M500S |  Hermetically Sealed Ultra High Precision Z-Foil Technology Resistors with TCR of ?? 0.2 ppm/?°C, Tolerance of ?? 0.001 % and |  
| Y1755120M500T | Hermetically Sealed Ultra High Precision Z-Foil Technology Resistors with TCR of ?? 0.2 ppm/?°C, Tolerance of ?? 0.001 % and |  
| Y1755120M500X | Hermetically Sealed Ultra High Precision Z-Foil Technology Resistors with TCR of ?? 0.2 ppm/?°C, Tolerance of ?? 0.001 % and |  
| Y1755120R500A | Hermetically Sealed Ultra High Precision Z-Foil Technology Resistors with TCR of ?? 0.2 ppm/?°C, Tolerance of ?? 0.001 % and |  
| Y1755120R500B |  Hermetically Sealed Ultra High Precision Z-Foil Technology Resistors with TCR of ?? 0.2 ppm/?°C, Tolerance of ?? 0.001 % and |  
| Y1755120R500F | Hermetically Sealed Ultra High Precision Z-Foil Technology Resistors with TCR of ?? 0.2 ppm/?°C, Tolerance of ?? 0.001 % and |  
| Y1755120R500Q |  Hermetically Sealed Ultra High Precision Z-Foil Technology Resistors with TCR of ?? 0.2 ppm/?°C, Tolerance of ?? 0.001 % and |  
| Y1755120R500S |  Hermetically Sealed Ultra High Precision Z-Foil Technology Resistors with TCR of ?? 0.2 ppm/?°C, Tolerance of ?? 0.001 % and |  
| Y1755120R500T |  Hermetically Sealed Ultra High Precision Z-Foil Technology Resistors with TCR of ?? 0.2 ppm/?°C, Tolerance of ?? 0.001 % and |  
| Y1755120R500V | Hermetically Sealed Ultra High Precision Z-Foil Technology Resistors with TCR of ?? 0.2 ppm/?°C, Tolerance of ?? 0.001 % and |  
| Y1755120R500X |  Hermetically Sealed Ultra High Precision Z-Foil Technology Resistors with TCR of ?? 0.2 ppm/?°C, Tolerance of ?? 0.001 % and |  
  
VLSI 
 
VMI 
| Part | Description |  
| 1N5551 | 400 V rectifier 5.0 A forward current, 2000 ns recovery time |  
  
Winbond Electronics 
 
Wing Shing Electronic Co. 
| Part | Description |  
| WMBT5551LT1 | NPN silicon transistor. Collector-emitter voltage 160V. Collector-base voltage 180V. Emitter-base voltage 6.0V |  
  
WSTCD 
| Part | Description |  
| WT5510 | 150A Ic Low frequency power silicon NPN transistor |  
| WT5511 | 100A Ic Low frequency power silicon NPN transistor |  
  
YAMCH 
 
YSTON 
| Part | Description |  
| BS-A551RD | Red, anode,  single-digit LED display |  
| BS-A551RD-B | Red, anode,  single-digit LED display |  
| BS-C551RD | Red, cathode,  single-digit LED display |  
| BS-C551RD-B | Red, cathode,  single-digit LED display |  
| BT-A551RD | Red, anode, three digit LED display |  
| BT-C551RD | Red, cathode, three digit LED display |  
| BT-M551RD | Red, anode, three digit LED display |  
| BT-N551RD | Red, cathode, three digit LED display |  
  
Zetex Semiconductors 
| Part | Description |  
| FMMT551 | PNP silicon planar medium power transistor |  
| FMMT5551 |  SOT23 NPN SILICON PLANAR HIGH VOLTAGE TRANSISTORS |  
| FXT551 | Transistors, Bipolar, Si PNP Power |  
| FXT551SM | Transistors, Bipolar, Si PNP Power |  
| ZTX551 | PNP silicon planar medium power transistor |  
| ZTX551DA | Transistors, Bipolar, Si PNP Power |  
| ZTX551DB | Transistors, Bipolar, Si PNP Power |  
| ZTX551DC | Transistors, Bipolar, Si PNP Power |  
| ZTX551M1 | Transistors, Bipolar, Si PNP Power |  
| ZXTN5551FL | 160V, SOT23, NPN High voltage transistor |  
| ZXTN5551Z |  160V, SOT89, NPN high voltage transistor |  
  
ZOWIE Technology 
| Part | Description |  
| MMBT5551 | 140 V, high voltage transistor NPN silicon |  
| MMBT5551G | High Voltage Transistors |  
  
Zarlink Semiconductor 
| Part | Description |  
| SP5511 | Bidirectional I2C Bus 4-Address Synthesiser |  
| SP5511NADP | Bidirectional I2C bus 4-address synthesiser |  
| SP5511SNAMP | Bidirectional I2C bus 4-address synthesiser |  
| VP5513 | NTSC/PAL Digital Video Encoder |  
| VP5513A1N | NTSC/PAL Digital Video Encoder |  
| VP5513CG1N | NTSC/PAL Digital Video Encoder |  
| VP5513GP1N | NTSC/PAL Digital Video Encoder |  
 
      | 
     
    
   | 
  
   
   |