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        Semiconductor parts containing 491 
      in root number. Page 2.    |   | 
  
   
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Gennum Corporation 
| Part | Description |  
| GS4911B | HD/SD/Graphics Clock and Timing Generator with GENLOCK |  
| GS4911BCNE3 | HD/SD/Graphics Clock and Timing Generator with GENLOCK |  
| GS4915 |  ClockCleaner??? |  
| GS4915-INE3 | ClockCleaner??? |  
  
GESS 
| Part | Description |  
| 2N5491 | Silicon N-P-N VERSAWATT transistor. 60V, 50W. |  
| 2N5491 | Silicon N-P-N VERSAWATT transistor. 60V, 50W. |  
| 2N6491 | 15A, 75W, silicon P-N-P epitaxial-base VERSAWATT transistor. -90V. |  
  
GETRN 
| Part | Description |  
| 2N3491 | 100V Vcbo, 7.5A Ic Low frequency power silicon NPN transistor |  
| 2N4910 | 40V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor |  
| 2N4911 | 60V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor |  
| 2N4912 | 80V Vcbo, 1.0A Ic Low frequency power silicon NPN transistor |  
| 2N4913 | 40V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor |  
| 2N4914 | 60V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor |  
| 2N4915 | 80V Vcbo, 5.0A Ic Low frequency power silicon NPN transistor |  
  
GPD 
| Part | Description |  
| 2N2491 | Transistors, Bipolar, Ge PNP Power |  
  
Harris Semiconductor 
| Part | Description |  
| 2N5491 | 60V Vcbo, 7.0A Ic Low frequency power silicon NPN transistor |  
  
Hitachi Semiconductor 
| Part | Description |  
| 2SC4913 | Bipolar power switching transistor |  
| 2SD2491 | Bipolar power general purpose transistor |  
| HA13491S | 1.5 A, Three-phase motor driver with speed discriminator |  
| HD404918 | ROM(words): 8,192; V(cc): -0.3 to +7.0V; CMOS 4-bit single-chip microcomputer |  
| HD404918P | Microcontroller |  
| HD404919 | ROM(words): 16,386; V(cc): -0.3 to +7.0V; CMOS 4-bit single-chip microcomputer |  
| HD404919P | Microcontroller |  
| HD40P4919 | ROM(words): 16,386; V(cc): -0.3 to +7.0V; CMOS 4-bit single-chip microcomputer |  
| HD40P4919C | Microcontroller |  
| HD7491A | TTL HD74/HD74S Series |  
| HD7491AP | Shift Register |  
  
Hittite Microwave Corporation 
| Part | Description |  
| HMC491LP3 | GaAs MMIC LOW NOISE AMPLIFIER w/ BYPASS MODE, 3.4 - 3.8 GHz |  
  
HP 
| Part | Description |  
| HDSP2491 | FOUR CHARACTER 6.9mm (0.27 INCH) 5 x 7 ALPHANUMERIC DISPLAYS |  
| HLMP0491 | LED Lamps, Special Shape |  
| N4915A-005 |  Bus Switch |  
  
HWELL 
| Part | Description |  
| CSNA491 | Solid State Sensors Closed Loop Current Sensors |  
| CSNB491 |  Solid State Sensors Closed Loop Current Sensors |  
| CSND491 | Solid State Sensors Closed Loop Current Sensors |  
| CSNJ491 |  Solid State Sensors Closed Loop Current Sensors |  
| CSNL491 |  Solid State Sensors Closed Loop Current Sensors |  
| CSNM491 |  Solid State Sensors Closed Loop Current Sensors |  
| CSNP491 |  Solid State Sensors Closed Loop Current Sensors |  
| CSNT491 |  Solid State Sensors Closed Loop Current Sensors |  
  
ICST 
 
IDEA 
| Part | Description |  
| IED4491 | General purpose orange-amber dome-style LED |  
| IGD4491 | General purpose green dome-style LED |  
| IHD4491 | General purpose red dome-style LED |  
| IID4491 | General purpose orange-amber dome-style LED |  
| IRD4491 | General purpose red dome-style LED |  
| IYD4491 | General purpose yellow dome-style LED |  
  
Micronas Intermetall 
| Part | Description |  
| AVF4910B | Advanced Audio/Video Front-End for PVR, DVD and PC Applications |  
| AVF4910B | Advanced Audio/Video Front-End for PVR, DVD and PC Applications |  
  
INDEL 
 
Infineon Technologies AG 
| Part | Description |  
| TLE4913 | Low Power Hall Switch |  
| TLE4917 | Low Power Hall Switch |  
  
Intel 
| Part | Description |  
| 314915-002 | Dual-Core Intel Xeon Processor |  
| 82491 | Intergated Circuit, Semiconductor or Electronic Component description not yet available. View Datasheet. |  
| NG82357SZ491 | PC Chip Set |  
  
INTRN 
| Part | Description |  
| 1N4910 | 12.8V, 400mWt General purpose voltage reference/regulator diode |  
| 1N4910A | 12.8V, 400mWt General purpose voltage reference/regulator diode |  
| 1N4911 | 12.8V, 400mWt General purpose voltage reference/regulator diode |  
| 1N4911A | 12.8V, 400mWt General purpose voltage reference/regulator diode |  
| 1N4912 | 12.8V, 400mWt General purpose voltage reference/regulator diode |  
| 1N4912A | 12.8V, 400mWt General purpose voltage reference/regulator diode |  
| 1N4913 | 12.8V, 400mWt General purpose voltage reference/regulator diode |  
| 1N4913A | 12.8V, 400mWt General purpose voltage reference/regulator diode |  
| 1N4914 | 12.8V, 400mWt General purpose voltage reference/regulator diode |  
| 1N4914A | 12.8V, 400mWt General purpose voltage reference/regulator diode |  
| 1N4915 | 12.8V, 400mWt General purpose voltage reference/regulator diode |  
| 1N4915A | 12.8V, 400mWt General purpose voltage reference/regulator diode |  
| 1N4916 | 19.2V, 400mWt General purpose voltage reference/regulator diode |  
| 1N4916A | 19.2V, 400mWt General purpose voltage reference/regulator diode |  
| 1N4917 | 19.2V, 400mWt General purpose voltage reference/regulator diode |  
| 1N4917A | 19.2V, 400mWt General purpose voltage reference/regulator diode |  
| 1N4918 | 19.2V, 400mWt General purpose voltage reference/regulator diode |  
| 1N4918A | 19.2V, 400mWt General purpose voltage reference/regulator diode |  
| 1N4919 | 19.2V, 400mWt General purpose voltage reference/regulator diode |  
| 1N4919A | 19.2V, 400mWt General purpose voltage reference/regulator diode |  
  
Intersil Corp. 
| Part | Description |  
| ISL31491E | ??60V Fault Protected, 5V, RS-485/RS-422 Transceivers with ??25V Common Mode Range |  
| ISL31491EIBZ | ??60V Fault Protected, 5V, RS-485/RS-422 Transceivers with ??25V Common Mode Range |  
| ISL4491E | Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485/RS-422 Transceivers |  
| ISL4491EIB | +-15 kV ESD protected, 1/8 unit load, 5 V, low power, high speed and slew rate limited, full duplex, RS-485/RS-422 transceiver. |  
| ISL4491EIB-T | +-15 kV ESD protected, 1/8 unit load, 5 V, low power, high speed and slew rate limited, full duplex, RS-485/RS-422 transceiver. |  
| ISL4491EIBZ |  ??15kV ESD Protected, 1/8 Unit Load, 5V, Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485/RS-422 Transceivers |  
| ISL83491 | 3.3V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers |  
| ISL83491IB | 3.3V, low power, high speed or slew rate limited, RS-485/RS-422 transceiver. For high node count networks, automated utility meter reading systems, factory automation, security networks |  
| ISL83491IBZ |  3.3V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers |  
| ISL83491IP | 3.3V, low power, high speed or slew rate limited, RS-485/RS-422 transceiver. For high node count networks, automated utility meter reading systems, factory automation, security networks |  
| ISL8491EIB | +-15kV ESD protected, 5V, low power, high speed and slew rate limited, full duplex, RS-485/RS-422 transceiver. |  
| ISL8491EIB-T | +/-15kV ESD Protected, 5V, Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485/RS-422 Transceivers |  
| ISL8491EIBZ | +/-15kV ESD Protected, 5V, Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485/RS-422 Transceivers (Lead-Free) |  
| ISL8491EIBZ | +-15kV ESD protected, 5V, low power, high speed and slew rate limited, full duplex, RS-485/RS-422 transceiver. |  
| ISL8491EIBZ-T | +/-15kV ESD Protected, 5V, Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485/RS-422 Transceivers (Lead-Free) |  
| ISL8491IB | 5V; low power, high speed or slew rate limited, RS-485/RS-422 transceiver. For factory automation, security network, building environment control system, industrial/process control network, level translators, RS-232 |  
| ISL8491IB-T | 5V; low power, high speed or slew rate limited, RS-485/RS-422 transceiver. For factory automation, security network, building environment control system, industrial/process control network, level translators, RS-232 |  
| ISL8491IP | 5V; low power, high speed or slew rate limited, RS-485/RS-422 transceiver. For factory automation, security network, building environment control system, industrial/process control network, level translators, RS-232 |  
| ISL9491 | LNB Power Supply and Control for Satellite Set-Top Box |  
| ISL9491A | LNB Power Supply and Control for Satellite Set-Top Box |  
| ISL9491AERZ |  LNB Power Supply and Control for Satellite Set-Top Box |  
| RF1K49154 | 2A, 60V, 0.130 Ohm, Dual N-Channel, LittleFET |  
| RF1K49156 | 6.3A, 30V, 0.030 Ohm, Logic Level, Single N-Channel LittleFET |  
| RF1K49157 | 6.3A, 30V, 0.030 Ohm, Single N-Channel LittleFET |  
  
International Rectifier 
| Part | Description |  
| IRF7491 | HEXFET Power MOSFET |  
| JANSF2N7491T2 |  RADIATION HARDENED POWER MOSFET THRU-HOLE (TO-39) |  
| JANSG2N7491T2 |  RADIATION HARDENED POWER MOSFET THRU-HOLE (TO-39) |  
  
ISOCM 
| Part | Description |  
| ISL49124 | LED Lamps, Special Shape |  
  
KEMET 
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