IR Beacon Parts List (By Section)

Power Supply
RefDes.	Nomenclature				Vendor/PN		Quantity
C1	Capacitor, Electrolytic, 100uF, 35WVDC	RS/272-1028		1
D1	Diode, Rectifier, 1N4001		RS/276-1101		1
P1	Plug, Battery, 9V			RS/270-324		1
U1	IC, +5V Voltage Regulator, 7805		RS/276-1770		1

Type 0 (1ms)
RefDes.	Nomenclature				Vendor/PN		Quantity
C1	Capacitor, Electrolytic, 22uF, 35WVDC	RS/272-1026		1
C2	Capacitor, Ceramic, 100pF, 50WVDC	RS/272-123		1
C3	Capacitor, Ceramic, 0.1uF, 50WVDC	RS/272-135		1
D1-D3	Diode, Small Signal, 1N4148		RS/276-1122		3
Q1	Transistor, General Purpose, NPN	RS/276-1617		1
R1, R2	Resistor, 10.0K Ohm, 1/4W, 1%		DK/10.0KXBK-ND		2
R3	Resistor, 68.1K Ohm, 1/4W, 1%		DK/68.1KXBK-ND		1
R4	Resistor, 332 Ohm, 1/4W, 1%		DK/332XBK-ND		1
R5	Resistor, 10.0K Ohm, 1/4W, 1%		DK/10.0KXBK-ND		1
R6	Resistor, 15.0K Ohm, 1/4W, 1%		DK/15.0KXBK-ND		1
R7	Resistor, 11.5K Ohm, 1/4W, 1%		DK/11.5KXBK-ND		1
U1	IC, Timer, 555				RS/276-1723		1

Type 1 (2ms)
RefDes.	Nomenclature				Vendor/PN		Quantity
C1	Capacitor, Electrolytic, 22uF, 35WVDC	RS/272-1026		1
C2	Capacitor, Ceramic, 100pF, 50WVDC	RS/272-123		1
C3	Capacitor, Ceramic, 0.1uF, 50WVDC	RS/272-135		1
D1-D3	Diode, Small Signal, 1N4148		RS/276-1122		3
Q1	Transistor, General Purpose, NPN	RS/276-1617		1
R1, R2	Resistor, 10.0K Ohm, 1/4W, 1%		DK/10.0KXBK-ND		2
R3	Resistor, 68.1K Ohm, 1/4W, 1%		DK/68.1KXBK-ND		1
R4	Resistor, 332 Ohm, 1/4W, 1%		DK/332XBK-ND		1
R5	Resistor, 10.0K Ohm, 1/4W, 1%		DK/10.0KXBK-ND		1
R6	Resistor, 4.53K Ohm, 1/4W, 1%		DK/4.53KXBK-ND		1
R7	Resistor, 23.7K Ohm, 1/4W, 1%		DK/23.7KXBK-ND		1
U1	IC, Timer, 555				RS/276-1723		1

Osc 40KHz
RefDes.	Nomenclature				Vendor/PN		Quantity
C1	Capacitor, Electrolytic, 22uF, 35WVDC	RS/272-1026		1
C2	Capacitor, Ceramic, 100pF, 50WVDC	RS/272-123		1
C3	Capacitor, Ceramic, .001uF, 500WVDC	RS/272-126		1
D1-D3	Diode, Small Signal, 1N4148		RS/276-1122		3
R1, R2	Resistor, 10.0K Ohm, 1/4W, 1%		DK/10.0KXBK-ND		2
R3	Resistor, 6.81K Ohm, 1/4W, 1%		DK/6.81KXBK-ND		1
R4	Resistor, 2.21K Ohm, 1/4W, 1%		DK/2.21KXBK-ND		1
R5	Resistor, 13.0K Ohm, 1/4W, 1%		DK/13.0KXBK-ND		1
U1	IC, Timer, 555				RS/276-1723		1

LED Driver
RefDes.	Nomenclature				Vendor/PN		Quantity
D1-D4	Diode, Infra Red, OED-EL-1L2		DK/67-1001-ND		4
Q1	Transistor, Darlington NPN, ZTX603	DK/ZTX603-ND		1
R1-R4	Resistor, 33.2 Ohm, 1W, 5%		DK/PPC33W-1CT-ND	4

(RS=Radio Shack; soon to be out-of-business)