Instruction Manual

PCB Components 5051A-RS232-0706 IRD 570
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Ref Designator Value
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RESISTORS
R1 1K SMD CHIP 1% 0.125W 0805
R2 10K SMD CHIP 0805
R3 200E SMD CHIP 0805
R4 2.4K SMD CHIP 0805
R5 1K SMD CHIP 1% 0.125W 0805
R6 10K SMD CHIP 0805
R7 200E SMD CHIP 0805
R8 2.4K SMD CHIP 0805
R9 220E SMD CHIP 0805
CAPACITORS
C1 10µF / 16V 20% ELE RAD
C2 10µF / 16V 20% ELE RAD
C3 10µF / 16V 20% ELE RAD
C4 10µF / 16V 20% ELE RAD
C5 470µF / 35V 20% ELE RAD
C6 10µF / 16V 20% ELE RAD
C7 100nF / 50V 10% 0805SM
C8 100nF / 50V 10% 0805SM
ICs
U1 TTL TO RS232 CONVERTOR 16 PIN
SMD SO-16
U2 OPTO ISOLATOR ISP817 4 PIN DIP
U3 OPTO ISOLATOR ISP817 4 PIN DIP
U4 UA7805UC REG/LM7805CT +5V
DIODES
D1 TO D4 IN4003 SMD MELF1
TRANSISTORS
Q1, Q2 MMBT3906 PNP SWITCHING SMD
SOT23
CONNECTORS
J1 3.96mm 3 PIN MALE ST MOLEX
J3 DUAL IN ROW UNLOC MALE
STRAIGHT BURGE STRIP, 10 PIN
J4 4 PIN ST MALE CONN JALEX
PCB Components ZG3M2020MTSO
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Ref Designator Value
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CAPACITOR
C301, C302 CAP MP 1KV 47nF AXIAL
CORE
L301 FERRET RING CORE 10 x 6 x 3