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Resistors:
R1 = 470 Ohm
R2 = 47.5 kOhm, 1% metal film
R3, R4 = 100 Ohm
R5 = 2.0 kOhm, 1% metal film
R6 = 84.5 Ohm, 1% metal film
R7, R8 = 10 MOhm
R9, R10, R13, R14 = 1.21 kOhm, 1% metal film
R11, R12, R15, R16 = 22.1 Ohm, 1% metal film
R17, R18 = 499 Ohm, 1% metal film
R19 = 22 kOhm
R20 = 2.2 kOhm
R21 = 1 kOhm
R22, R23 = 56.2 Ohm, 1% metal film
R24, R27 = 150 Ohm, 1% metal film
R25, R28 = 15.0 Ohm, 1% metal film
R26, R29 = 15 Ohm
R30 = 68 Ohm, 5 W
R31 = 150 Ohm, 5 W
R32, R33 = 6.81 Ohm, 0.6 W, 1% metal film
R34 = 3.3 kOhm
R35 = 330 Ohm
R36 = 8.2 MOhm
RF1, RF2 = 0.1 Ohm, 5 W
RL1 = 2.2 Ohm, 5 W (fit inside L1 or on the solder side of the PCB)
P1 = 1 MOhm preset
P2 = 1 kOhm preset
Capacitors:
C1 = 2.2 µF, 50 V,MKT , pitch 5 mm
C2 = 2.2 nF
C3, C4 = 2.7 nF
C5 = 330 pF, 160V, KS polystyrene (styroflex) , axial. For example: LCR Components, ESC Series
C6 = 33 nF
C7, C8 = 100 µF, 10 V, radial
C9 = 1 µF, MKT pitch 5 mm
C10 = 100 nF
C11, C12 = 10,000 µF, 50 V, radial, for PCB mounting pitch 10 mm
C13 = 47 µF, 63 V, radial
C14 = 22 µF, 40 V, radial
Inductors:
L1 = air-core, 0.1 mH (see text)
Semiconductors:
D1,D2 = flat 3 mm LED, red (1.6 V drop at 3 mA)
Connect thermically with T5 and T6
D3,D4,D5 = 1N4003
D6 = 1N4148
T1,T2, T6 = BC550C
T3,T4,T5 = BC560C
T7,T9,T10 = BD139
T8,T11 = BD140
T12 = GT20D201 (Toshiba)Datasheet
T13 = GT20D101 (Toshiba)Datasheet the IGBT's are on stock here
T14 = BC617
Miscellaneous;
Re1 = relay, 24 V, 1 make contact (e.g., Siemens V23056-A0105-A101*)
F1, F2 = fuse, 2.5 A, fast, with holder for PCB mounting
3x Ceramic washers A0S220 for T7, T10, T11
2x Mica washers for T12, T13
5x Terminal block (see text)
Heat sink, <0.65 K/W (e.g., Fischer SK85** )
PCB EPS 930102
Power supply:
Mains transformer, 2x30V/3,75A 225 VA
Mains on-off switch with indicator
Fuse T 1A, slow blow with holder (T 2A for 110 volt)
1x Bridge rectifier 100V/35A Type B200C35000
4x Electrolytic capacitor 10,000 µF, 50 V
4x Resistor 0.22 Ohm, 5 W
* ElectroValue, 3 Central Trading Estate, Staines, TW18 4UX, L (01784) 442 253.
Private customers welcome.
** Dau (UK) Ltd, 7075 Barnham Road, Barnham, West Sussex PO22 0ES. Tel. (01243)
553 031. Trade only, but information as to your nearest dealer will be given by telephone.
Mains switch-on delay:
R1=270 Ohm, 0,4W
R2=1 MOhm
R3,R4,R5,R6=10 Ohm 5W
C1,C2=see text
C3=22 µF/40 V Radial
C4=1000 µF/40 V Radial
C5=470 µF/40 V Radial
B1=B380C1500 (380V/1,5A)
K1,K2=PCB screw connector 7,5 mm pitch
or 4x FASTON connector 6.3mm
K3=PCB screw connector 7,5 mm pitch
S1=SPST switch 1A (For ON/OFF)
Re1,Re2=Relay 24V/875 Ohm with contacts capable for 220V mains supply voltage
e.g., Siemens V23056-A0105-A101
La1=Neon Lamp with integrated resistor
1 PCB EPS 924055
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