| Part No | Manufacturer | Application |
|---|
| TIP2955 | Usha | PNP silicon power transistor. Designed for general-purpose switching and amplifier application. Vceo = 60Vdc, Vcer = 70Vdc, Vcb = 100Vdc, Veb = 7Vdc, Ic = 15Adc, PD = 90W. |
| D570/38 | Usha | Rectifier diode. Vrrm = 3800V, Vrsm = 3900V. All purpose high power rectifier diodes. Non-controllable rectifiers. Free-wheeling diodes. |
| BC239 | Usha | Transistor. Switching and amplifier applications. Collector-base voltage Vcbo = 30V. Collector-emitter voltage Vceo = 25V. Emitter-base voltage Vebo = 6V. Collector dissipation Pc(max) = 500mW. Collector current Ic = 100mA. |
| T500/16 | Usha | Thyristor. D.C. motor control, controlled rectifiers, A.C. controllers. Vrrm = 1600V, Vrsm = 1700V. |
| T370/16 | Usha | Thyristor. D.C. motor control, controlled rectifiers, A.C. controllers. Vrrm = 1600V, Vrsm = 1700V. |
| D170/14 | Usha | Rectifier diode. All purpose high power rectifier diodes, non-controllable rectifiers. Free-wheeling diodes & welding. Vrrm = 1400V, Vrsm = 1500V. |
| P2222 | Usha | General purpose transistor. Vcbo = 60V, Vceo = 30V, Vebo = 5V, Ic = 600mA, Pc = 625mW. |
| 2SA642 | Usha | Low frequency power amplifier. Collector-base voltage Vcbo = -30V. Collector-emitter voltage Vceo = -25V. Emitter-base voltage Vebo = -5V. Collector dissipation Pc(max) = 400mW. |
| DS4000/04 | Usha | Rectifier diode. All purpose high power rectifier diodes, non-controllable rectifiers. Free-wheeling diodes & welding. Vrrm = 400V, Vrsm = 500V. |
| DCR1474/06 | Usha | Thyristor. Vrrm = 600V, Vrsm = 700V. D.C. motors control, controlled rectifiers, high power drives. |
| D70/08 | Usha | Rectifier diode. Vrrm = 800V, Vrsm = 900V. All purpose high power rectifier diodes. Non-controllable and half controlled rectifiers. |
| 1N5829 | Usha | Switchmode power rectifier schottky diode. Ideally suited for use as rectifiers in low voltage. High frequency invertors. Free wheeling diodes and polarity protection diodes. Vrrm = 20V. Vrsm = 24V. |
| BC550 | Usha | Transistor. Switching and AF amplifier. Low noise. Vcbo = 50V, Vceo= 45V, Vebo = 5V, Pc = 500mW, Ic = 100mA. |
| T320/12 | Usha | Thyristor. D.C. motor control, controlled rectifiers, A.C. controllers. Vrrm = 1200V, Vrsm = 1300V. |
| DCR1275/28 | Usha | Thyristor. Vrrm = 2800V, Vrsm = 2900V. D.C. motors control, controlled rectifiers, high power drives. |
| 2N5088 | Usha | Amplifier transistor. Collector-emitter voltage Vceo = 30V. Collector-base voltage Vcbo = 35V. Collector dissipation Pc(max) = 625mW. |
| DCR803/10 | Usha | Thyristor. Vrrm = 1000V, Vrsm = 1100V. D.C. motor control, controlled rectifiers, high power drives. |
| T130/16 | Usha | Thyristor. D.C. motor control, controlled rectifiers, A.C. controllers. Vrrm = 1600V, Vrsm = 1700V. |
| DCR709/12 | Usha | Thyristor(fast switching). Vrrm = 1200V, Vrsm = 1300V. High power invertors and choppers, railway traction, UPS, induction heating, AC motor drives and cyclconvertors. |
| DCR1475/22 | Usha | Thyristor. Vrrm = 2200V, Vrsm = 2300V. D.C. motors control, controlled rectifiers, high power drives. |
| T370/29 | Usha | Thyristor. D.C. motor control, controlled rectifiers, A.C. controllers. Vrrm = 2900V, Vrsm = 3000V. |
| DS2106/40 | Usha | Rectifier diode. All purpose high power rectifier diodes, non-controllable and haft controlled rectifiers, free-wheeling diodes & traction. Vrrm = 4000V, Vrsm = 4100V. |
| BC637 | Usha | Transistor. Switching and amplifier applications. Vcer = 60V, Vces = 60V, Vceo= 60V, Vebo = 5V, Pc = 1W, Ic = 1A. |
| DCR1278/26 | Usha | Thyristor. Vrrm = 2600V, Vrsm = 2700V. D.C. motors control, controlled rectifiers, high power drives. |
| T25/16 | Usha | Thyristor. D.C. motor control, controlled rectifiers, A.C. controllers. Vrrm = 1600V, Vrsm = 1700V. |
| D100/04 | Usha | Rectifier diode. All purpose mean power rectifier diodes, Non-controllable rectifiers. Free-wheeling diodes. Vrrm = 400V, Vrsm = 500V. |
| DCR444/10 | Usha | Thyristor(fast switching). Vrrm = 1000V, Vrsm = 1100V. High power inverters and choppers, railway traction, UPS, induction heating, AC motor drives and cycloconvertors. |
| DS502/14 | Usha | Rectifier diode. All purpose high power rectifier diodes, non-controllable and haft controlled rectifiers. Free-wheeling diodes & welding. Vrrm = 1400V, Vrsm = 1500V. |
| PBD55/08 | Usha | Moulded module assembly(diode-diode module). Vrrm = 800V, Vrsm = 900V. Non controllable rectifiers for AC/AC convertors, field supply for DC motors, line rectifiers for transistorized AC motor controllers. |
| D170/16 | Usha | Rectifier diode. All purpose high power rectifier diodes, non-controllable rectifiers. Free-wheeling diodes & welding. Vrrm = 1600V, Vrsm = 1700V. |
