|
DIODE
|
| BY127 |
|
2000 V, 1 A high voltage silicon rectifier |
| P6KE7.5A |
|
transient protector diode |
|
IC
|
| 74HC240 |
|
octal inverter bus/line driver |
| 4013 |
|
dual flip-flop |
| 74HCT4060 |
4060 |
14-stage ripple-carry binary counter/divider and oscillator |
| 74HCT4075 |
4075 |
triple 3-input OR gate |
| 74184 |
|
Code Converter BCD to Binary, cascadeable to N-bits |
| 74185 |
|
Code Converter Binary to BCD, cascadeable to N-bits |
| DS3680 |
|
quad telephone relay driver |
| INA331 |
|
Instrumentation Amplifier |
| SL8X371 |
|
8-bit latched bidirectional I/O port |
| SN75325 |
|
Memory Core Driver |
|
OTHER
|
| Bronze, Silicon |
Everdur |
hard alloy, an alternative to brass |
| High Vacuum Grease |
|
stiff, nonmelting silicone lubricant |
| Indium (In) |
|
make a good metal-to-glass seal for vacuum work |
| Isopropyl Alcohol |
Isopropanol |
cleaning agent to remove fingerprints from glass |
| NE-2 |
NE-51 |
neon indicator lamp |
| Nickel (Ni) |
|
0.5 mm wire for connecting electrodes inside vacuum tubes |
| Phosphor, Red |
|
getter for vacuum tube experiments |
| Platinum (Pt) |
|
0.5 mm wire for through-glass conductors in vacuum tubes |
| POM |
Polyoxymethylene |
Acetal Polyoxymethylene Copolymer – POM 2% silicone lubricated |
| Rotary Knob, TL-93/6 mm |
6 mm shaft |
knob with silver-plated top |
| DC 705 Silicone Fluid |
KJLC 705 |
pentaphenyl trimethyl trisiloxane |
| Thoriated Tungsten |
|
0.15 mm vacuum tube filament wire |
| Tungsten (W) |
Wolfram |
0.025 mm diameter filament wire |
| Zirconium (Zr) |
|
|
POTENTIOMETER
|
| 100 kOhm |
23/PCB |
0.2W, logaritmic panel type with carbon track |
| 2 MOhm |
|
1 W, logaritmic panel type with carbon track |
|
RELAY
|
| DN, 84 137 210 |
|
solid state relay 25 A, inductive load |
| GNA5, 84 134 910 |
|
solid state relay 25 A, resistive load |
|
TRANSFORMER
|
| 230 V/12 V, 100 VA |
|
12 V, 100 VA |
| HST 0102/230V IN |
|
adjustable transformer, 3.1A, isolated |
| ta 70/B |
BV 201 0146 |
230 volt, 50-60 Hz; 2x12 volt, 2x15 mA, 0.35VA |
|
TRANSISTOR
|
| 2N3553 |
|
NPN |
| BF199 |
|
NPN medium frequency transistor |
| BF494 |
|
NPN, small signal, 300mW, HF < 100MHz |
| ECG2322 |
|
independent transistor array - t off 225ns typical |
| MTW14N50E |
|
TMOS Power FET 14 A, 500 V. |
|
VALVE
|
| ECC82 |
|
or equivalent |
| VR150-30 |
OD3, 150C3, CV216, QS150/40 |
cold-cathode, gas-filled, voltage stabiliser |
WORKSHOPS