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        Semiconductor parts containing 977 
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Microsemi Corp. 
| Part | Description |  
| 1N2977B | Zener Voltage Regulator Diode |  
| 1N2977C |  10 WATT ZENER DIODES |  
| 1N2977D |  10 WATT ZENER DIODES |  
| 1N2977R | 13V, 10Wt General purpose voltage reference/regulator diode |  
| 1N2977RA | 13V, 10Wt General purpose voltage reference/regulator diode |  
| 1N2977RB | 13V, 10Wt General purpose voltage reference/regulator diode |  
| 1N2977RC | 10 WATT ZENER DIODES |  
| 1N2977RD | 10 WATT ZENER DIODES |  
| 1N4977 | Zener Voltage Regulator Diode |  
| 1N4977C |  5 WATT GLASS ZENER DIODES |  
| 1N4977D | 5 WATT GLASS ZENER DIODES |  
| 1N4977DUS |  5 WATT GLASS ZENER DIODES |  
| 1N4977US | Zener Voltage Regulator Diode |  
| 1N977-1 | 47V, 400mWt General purpose voltage reference/regulator diode |  
| 1N977 | 47V, 400mWt General purpose voltage reference/regulator diode |  
| 1N977A | Zener Voltage Regulator Diode |  
| 1N977A1 | 47V, 400mWt General purpose voltage reference/regulator diode |  
| 1N977B1 | 47V, 400mWt General purpose voltage reference/regulator diode |  
| 1N977B-1 | Zener Voltage Regulator Diode |  
| 1N977B | Zener Voltage Regulator Diode |  
| 1N977B | Zener Voltage Regulator Diode |  
| 1N977BUR-1 | Zener Voltage Regulator Diode |  
| 1N977C1 | 47V, 400mWt General purpose voltage reference/regulator diode |  
| 1N977C | 47V, 400mWt General purpose voltage reference/regulator diode |  
| 1N977D1 | 47V, 400mWt General purpose voltage reference/regulator diode |  
| 1N977D | 47V, 400mWt General purpose voltage reference/regulator diode |  
| CD977B | Zener Voltage Regulator Diode |  
| CDLL977 | Zener Voltage Regulator Diode |  
| CDLL977A | Zener Voltage Regulator Diode |  
| CDLL977B | Zener Voltage Regulator Diode |  
| JAN1N2977 | 10 WATT ZENER DIODES |  
| JAN1N2977A |  10 WATT ZENER DIODES |  
| JAN1N2977D | 10 WATT ZENER DIODES |  
| JAN1N2977R | 10 WATT ZENER DIODES |  
| JAN1N2977RC | 10 WATT ZENER DIODES |  
| JAN1N4977 | 5 WATT GLASS ZENER DIODES |  
| JAN1N4977C |  5 WATT GLASS ZENER DIODES |  
| JAN1N4977D |  5 WATT GLASS ZENER DIODES |  
| JAN1N4977DUS |  5 WATT GLASS ZENER DIODES |  
| JAN1N4977US |  5 WATT GLASS ZENER DIODES |  
| JAN1N977 | Silicon 500 mW Zener Diodes |  
| JAN1N977A-1 | Silicon 500 mW Zener Diodes |  
| JAN1N977A | Silicon 500 mW Zener Diodes |  
| JAN1N977B-1 |  Silicon 500 mW Zener Diodes |  
| JAN1N977B | Silicon 500 mW Zener Diodes |  
| JAN1N977BUR-1 | Silicon 500 mW Zener Diodes |  
| JAN1N977C-1 | Silicon 500 mW Zener Diodes |  
| JAN1N977C | Silicon 500 mW Zener Diodes |  
| JAN1N977CUR-1 |  Silicon 500 mW Zener Diodes |  
| JAN1N977D-1 |  Silicon 500 mW Zener Diodes |  
| JAN1N977UR-1 | Silicon 500 mW Zener Diodes |  
| JANS1N4977 |  5 WATT GLASS ZENER DIODES |  
| JANS1N4977C |  5 WATT GLASS ZENER DIODES |  
| JANS1N4977CUS | 5 WATT GLASS ZENER DIODES |  
| JANS1N4977D |  5 WATT GLASS ZENER DIODES |  
| JANS1N4977US |  5 WATT GLASS ZENER DIODES |  
| JANTX1N2977 |  10 WATT ZENER DIODES |  
| JANTX1N2977A | 10 WATT ZENER DIODES |  
| JANTX1N2977B |  10 WATT ZENER DIODES |  
| JANTX1N2977D | 10 WATT ZENER DIODES |  
| JANTX1N2977R |  10 WATT ZENER DIODES |  
| JANTX1N2977RC | 10 WATT ZENER DIODES |  
| JANTX1N2977RD | 10 WATT ZENER DIODES |  
| JANTX1N4977 | 5 WATT GLASS ZENER DIODES |  
| JANTX1N4977C |  5 WATT GLASS ZENER DIODES |  
| JANTX1N4977DUS | 5 WATT GLASS ZENER DIODES |  
| JANTX1N4977US |  5 WATT GLASS ZENER DIODES |  
| JANTX1N977 | Silicon 500 mW Zener Diodes |  
| JANTX1N977A-1 | Silicon 500 mW Zener Diodes |  
| JANTX1N977A | Silicon 500 mW Zener Diodes |  
| JANTX1N977AUR-1 | Silicon 500 mW Zener Diodes |  
| JANTX1N977B-1 |  METALLURGICALLY BONDED  DOUBLE PLUG CONSTRUCTION |  
| JANTX1N977B |  Silicon 500 mW Zener Diodes |  
| JANTX1N977BUR-1 | Silicon 500 mW Zener Diodes |  
| JANTX1N977C-1 |  Silicon 500 mW Zener Diodes |  
| JANTX1N977CUR-1 | Silicon 500 mW Zener Diodes |  
| JANTX1N977D | Silicon 500 mW Zener Diodes |  
| JANTX1N977UR-1 | Silicon 500 mW Zener Diodes |  
| JANTXV1N2977 | 10 WATT ZENER DIODES |  
| JANTXV1N2977A |  10 WATT ZENER DIODES |  
| JANTXV1N2977B | 10 WATT ZENER DIODES |  
| JANTXV1N2977C |  10 WATT ZENER DIODES |  
| JANTXV1N2977R | 10 WATT ZENER DIODES |  
| JANTXV1N2977RA | 10 WATT ZENER DIODES |  
| JANTXV1N2977RB |  10 WATT ZENER DIODES |  
| JANTXV1N2977RC | 10 WATT ZENER DIODES |  
| JANTXV1N2977RD |  10 WATT ZENER DIODES |  
| JANTXV1N4977CUS | 5 WATT GLASS ZENER DIODES |  
| JANTXV1N4977D | 5 WATT GLASS ZENER DIODES |  
| JANTXV1N4977DUS | 5 WATT GLASS ZENER DIODES |  
| JANTXV1N4977US |  5 WATT GLASS ZENER DIODES |  
| JANTXV1N977-1 |  Silicon 500 mW Zener Diodes |  
| JANTXV1N977AUR-1 |  Silicon 500 mW Zener Diodes |  
| JANTXV1N977B-1 |  Silicon 500 mW Zener Diodes |  
| JANTXV1N977BUR-1 |  Silicon 500 mW Zener Diodes |  
| JANTXV1N977C | Silicon 500 mW Zener Diodes |  
| JANTXV1N977D-1 |  Silicon 500 mW Zener Diodes |  
| JANTXV1N977D | Silicon 500 mW Zener Diodes |  
| JANTXV1N977DUR-1 | Silicon 500 mW Zener Diodes |  
| MLL1N977-1 | Silicon 500 mW Zener Diodes |  
| MLL1N977A-1 |  Silicon 500 mW Zener Diodes |  
| MLL1N977C-1 |  Silicon 500 mW Zener Diodes |  
| MLL977B-1 | Zener Voltage Regulator Diode |  
| MLL977B | Zener Voltage Regulator Diode |  
  
NEC Electronics Inc. 
| Part | Description |  
| 2SA1977 | Transistor for amplifying PNP micro wave |  
| 2SA1977-L | Transistor for amplifying PNP micro wave |  
| 2SA1977-T1 | Transistor for amplifying PNP micro wave |  
| 2SA1977-T1B | Transistor for amplifying PNP micro wave |  
| NE97733 | PNP SILICON HIGH FREQUENCY TRANSISTOR |  
| NE97733-T1 | PNP silicon high frequency transistor. |  
  
NELFC 
| Part | Description |  
| SK2977 | 5 V, +/-25 ppm, differential positive ECL  crystal clock oscillator |  
| SKA2977 | 3.3 V, +/-25 ppm, differential positive ECL  crystal clock oscillator |  
| SN-A2977-FREQ |  CRYSTAL CLOCK OSCILLATORS |  
  
National Semiconductor 
 
NTE 
| Part | Description |  
| NTE1977 | Integrated circuit. Negative 3 terminal voltage regulator, Vout = -24.0V, Test conditions: Io = 0.5A. |  
| NTE4977 | Surge clamping, transient overvoltage suppressor, bidirectional. VR = 136.00V max reverse stand off voltage. |  
| NTE977 | Integrated circuit. Positive 3 terminal voltage regulator, output voltage 5V, input voltage 30V, 100mA. |  
  
Panasonic (Matsushita) 
| Part | Description |  
| 2SB977 | Si PNP epitaxial planar darlington. AF amplifier. |  
| 2SB977A | Si PNP epitaxial planar darlington. AF amplifier. |  
| 2SC3977 | Silicon NPN triple diffusion planar type power transistor |  
| 2SC3977A | Silicon NPN triple diffusion planar type power transistor |  
  
PERIC 
| Part | Description |  
| PT8A977B |  PT8A977B/9781 5-Function Remote Controller for 1V Micro Cars |  
| PT8A977BP | PT8A977B/9781 5-Function Remote Controller for 1V Micro Cars |  
| PT8A977BW | PT8A977B/9781 5-Function Remote Controller for 1V Micro Cars |  
| PT8A977P |  5-Function Remote Controller |  
| PT8A977W | 5-Function Remote Controller |  
  
Philips Semiconductors 
 
Plessey Semiconductors 
| Part | Description |  
| SP9770 | Digital-to-Analog Converter |  
| SP9770DG | Digital-to-Analog Converter |  
  
RAYRF 
 
ROHM Co. 
| Part | Description |  
| BD9775FV | 2channel Step-Down Switching Regulator Controller |  
| BD9778F | Flexible Step-Down Switching Regulator |  
| BD9778HFP |  Flexible Step-Down Switching Regulator |  
  
Semelab Plc. 
| Part | Description |  
| G977A | 650V Vcbo, 4.0A Ic Low frequency power silicon NPN transistor |  
  
SANYO Electric Co., Ltd. 
| Part | Description |  
| 2SK2977 | DC/DC Converter Applications |  
| 2SK2977LS | N-Channel Silicon MOSFET DC/DC Converter Applications |  
| 2SK3977 |  N-Channel Silicon MOSFET General-Purpose Switching Device |  
| ENA0977 | N-Channel Silicon MOSFET General-Purpose Switching Device Applications |  
| LC89977M | CCD delay line for PAL |  
  
Semtech Corp. 
| Part | Description |  
| 1N4977 | 5 WATT VOLTAGE REGULATOR |  
| 1N4977SX62 | 5 watt voltage regulator |  
| 1N977 | SILICON PLANAR ZENER DIODES |  
| 1N977A | SILICON PLANAR ZENER DIODES |  
  
Semicon Components Inc. 
| Part | Description |  
| 1N2977 | 13V, 10Wt General purpose voltage reference/regulator diode |  
| 1N2977A | 13V, 10Wt General purpose voltage reference/regulator diode |  
| 1N2977B | 13V, 10Wt General purpose voltage reference/regulator diode |  
| 1N2977R | 13V, 10Wt General purpose voltage reference/regulator diode |  
| 1N2977RA | 13V, 10Wt General purpose voltage reference/regulator diode |  
| 1N2977RB | 13V, 10Wt General purpose voltage reference/regulator diode |  
| 1N4977 | 62V, 5.0Wt General purpose voltage reference/regulator diode |  
  
Siemens 
| Part | Description |  
| BD977 | High-Frequency Power Silicon NPN BJT |  
| Q62702-F977 | PNP Silicon High-Voltage Transistors (Suitable for video output stages in TV sets and switching power supplies High breakdown voltage) |  
| Q67100-Q977 | 2M x 32-Bit Dynamic RAM Module |  
  
SMTUK 
| Part | Description |  
| 1N2977B | 13V, 10Wt General purpose voltage reference/regulator diode |  
  
Solitron Devices 
 
SONY Semiconductors 
| Part | Description |  
| CXA1977R | 10-bit 20MSPS A/D Converter |  
  
SGS-Thomson Microelectronics 
| Part | Description |  
| 1N2977B | 13V, 10Wt General purpose voltage reference/regulator diode |  
| 1N4977 | 62V, 5.0Wt General purpose voltage reference/regulator diode |  
| 1N977B | 47V, 400mWt General purpose voltage reference/regulator diode |  
| L4977 | Power Supply Circuit |  
| L4977A | 7A SWITCHING REGULATOR |  
| L4977HT | Power Supply Circuit |  
  
Semitronics Corp. 
| Part | Description |  
| 1N2977 | 13V, 10Wt General purpose voltage reference/regulator diode |  
| 1N2977A | 13V, 10Wt General purpose voltage reference/regulator diode |  
| 1N2977B | 13V, 10Wt General purpose voltage reference/regulator diode |  
| 1N2977R | 13V, 10Wt General purpose voltage reference/regulator diode |  
| 1N977 | 47V, 400mWt General purpose voltage reference/regulator diode |  
| 1N977A | 47V, 400mWt General purpose voltage reference/regulator diode |  
| 1N977B | 47V, 400mWt General purpose voltage reference/regulator diode |  
| 2N2977 | Transistors, Bipolar, Si NPN Low-Power |  
  
THOMS 
| Part | Description |  
| SK3977 | JFET |  
| SK9770 | Optocouplers, Transistor/Diode Output |  
| SK9771 | Standard Recovery Bridge Rectifier |  
| SK9772 | Standard Recovery Bridge Rectifier |  
| SK9773 | Standard Recovery Bridge Rectifier |  
| SK9774 | Schottky Rectifier |  
| SK9775 | Standard Recovery Bridge Rectifier |  
| SK9776 | Standard Recovery Bridge Rectifier |  
| SK9777 | Standard Recovery Bridge Rectifier |  
| SK9778 | Standard Recovery Bridge Rectifier |  
| SK9779 | Standard Recovery Bridge Rectifier |  
  
Texas Instruments 
 
VISAY 
 
VITES 
| Part | Description |  
| VSC7977 |  1/2/4 Gbps Multirate Transimpedance Amplifier |  
  
Winbond Electronics 
| Part | Description |  
| W83977A | WINBOND I/O |  
| W83977AF | PLUG & PLAY 1.0A COMPLIANT |  
| W83977AF-A | WINBOND I/O |  
| W83977AF-P | WINBOND I/O |  
| W83977ATF | WINBOND I/O |  
| W83977ATF-A | Super I/O chip: UART, IrDA, parallel port, keyboard controller, general purpose I/O ports, FDC |  
| W83977ATF-P | Super I/O chip: UART, IrDA, parallel port, keyboard controller, general purpose I/O ports, FDC |  
| W83977ATG | WINBOND I/O |  
| W83977ATG-AW | WINBOND I/O |  
| W83977CTF |  WINBOND I/O |  
| W83977CTF-AW | WINBOND I/O |  
| W83977CTF-PW |  WINBOND I/O |  
| W83977EF | WINBOND I/O |  
| W83977EF-AW | I/O chip which UART, IrDA, parallel port, keyboard controller, general purpose I/O ports |  
| W83977EF-PW | I/O chip which UART, IrDA, parallel port, keyboard controller, general purpose I/O ports |  
| W83977EG | WINBOND ISA I/O |  
| W83977F | PLUG & PLAY 1.0A COMPLIANT |  
| W83977F-A | WINBOND I/O |  
| W83977F-P |  WINBOND I/O |  
| W83977G-A |  WINBOND I/O |  
| W83977TF |  WINBOND I/O |  
| W83977TF_98 |  WINBOND I/O |  
| W83977TF-A | I/O chip which UART, IrDA, parallel port, keyboard controller, general purpose I/O ports |  
| W83977TF-AW | I/O chip which UART, IrDA, parallel port, keyboard controller, general purpose I/O ports |  
| W83977TF-P | I/O chip which UART, IrDA, parallel port, keyboard controller, general purpose I/O ports |  
| W83977TF-PW | I/O chip which UART, IrDA, parallel port, keyboard controller, general purpose I/O ports |  
  
ZETTLER Electronics 
| Part | Description |  
| AZ977-1A-12D | Nominal coil VCD: 12; 20Amp subminiature power relay for automotive use |  
| AZ977-1A-12DS | Nominal coil VCD: 12; 20Amp subminiature power relay for automotive use |  
| AZ977-1A-24D | Nominal coil VCD: 24; 20Amp subminiature power relay for automotive use |  
| AZ977-1A-24DS | Nominal coil VCD: 24; 20Amp subminiature power relay for automotive use |  
| AZ977-1A-6D | Nominal coil VCD: 6; 20Amp subminiature power relay for automotive use |  
| AZ977-1A-6DS | Nominal coil VCD: 6; 20Amp subminiature power relay for automotive use |  
| AZ977-1C-12D | Nominal coil VCD: 12; 20Amp subminiature power relay for automotive use |  
| AZ977-1C-12DS | Nominal coil VCD: 12; 20Amp subminiature power relay for automotive use |  
| AZ977-1C-24D | Nominal coil VCD: 24; 20Amp subminiature power relay for automotive use |  
| AZ977-1C-24DS | Nominal coil VCD: 24; 20Amp subminiature power relay for automotive use |  
| AZ977-1C-6D | Nominal coil VCD: 6; 20Amp subminiature power relay for automotive use |  
| AZ977-1C-6DS | Nominal coil VCD: 6; 20Amp subminiature power relay for automotive use |  
 
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