![large NE555 timer IC](http://kitronik.co.uk/cdn/shop/products/2908_large_NE555_timer_IC_031ebc32-356e-4fae-9def-b931d75110ba_{width}x.jpg?v=1582129194)
£0.35
NE555 Timer IC
![large BC337 NPN transistor](http://kitronik.co.uk/cdn/shop/products/c2938_large_BC337_NPN_transistor_ed7c7b1f-7542-414a-a083-0bbf05704ff6_{width}x.jpg?v=1582129213)
From £0.17
BC337 NPN Transistor
![large BC547 NPN transistor](http://kitronik.co.uk/cdn/shop/products/c2901_large_BC547_NPN_transistor_92dfe36f-9d3b-438f-bf19-c557b7d22698_{width}x.jpg?v=1582129183)
From £0.14
BC547 NPN Transistor
![large diode 1N4001](http://kitronik.co.uk/cdn/shop/products/c2905_large_diode_1N4001_76a9a891-3533-4f60-9912-729e91f25fcd_{width}x.jpg?v=1582129191)
From £0.12
1N4001 Diode
![large diode BAT41](http://kitronik.co.uk/cdn/shop/products/c2950_large_diode_BAT41_92582e0e-f850-4260-ba61-0a15cbd35b49_{width}x.jpg?v=1582129228)
From £0.23
BAT41 Signal Diode
![large 2N5061 thyristor](http://kitronik.co.uk/cdn/shop/products/c2904_large_2N5061_thyristor_b88ea9fa-b0ed-43c6-aa50-cf9471b5a8cb_{width}x.jpg?v=1582129188)
From £0.27
2N5061 Thyristor
![large transistor BC548B](http://kitronik.co.uk/cdn/shop/products/c2958_large_transistor_BC548B_dba2aac5-a7d3-439e-9e0e-a77374084a9d_{width}x.jpg?v=1582129240)
From £0.15
BC548B NPN Transistor
![large TIP121 darlington pair transistor](http://kitronik.co.uk/cdn/shop/products/c2942_large_TIP121_darlington_pair_transistor_8d87ddef-e7c5-423a-ae6c-fee56deffa69_{width}x.jpg?v=1582129217)
From £0.45
TIP121 Darlington Pair Transistor
![large decade counter 4017b](http://kitronik.co.uk/cdn/shop/products/2916_large_decade_counter_4017b_b9638ba2-d759-4b2c-b005-d87be9de030b_{width}x.jpg?v=1582130429)
£0.65
Decade counter (4017B)
![large transistor 2N3904](http://kitronik.co.uk/cdn/shop/products/c2935_large_transistor_2N3904_cead9944-16d7-472a-bc83-5bf66df764f7_{width}x.jpg?v=1582129212)
From £0.16
Transistor 2N3904
![large BC108 NPN transistor](http://kitronik.co.uk/cdn/shop/products/c2903_large_BC108_NPN_transistor_555ee23e-7172-4a0a-ad5d-f09b1dcc2e39_{width}x.jpg?v=1582129187)
From £0.50
BC108 NPN Transistor TO18 Case
![large LM358 dual op amp IC](http://kitronik.co.uk/cdn/shop/products/2951_large_LM358_dual_op_amp_IC_4435bda9-4914-442f-946f-36edec102e17_{width}x.jpg?v=1582129230)
£0.55
LM358 - Dual Op Amp IC
![large L7805 5V reg IC](http://kitronik.co.uk/cdn/shop/products/2906_large_L7805_5V_reg_IC_6613f2a9-f333-47c6-8b90-7cac72fb6ad5_{width}x.jpg?v=1582129189)
£0.45
L7805 5V Reg IC
![large 1n5400 diode](http://kitronik.co.uk/cdn/shop/products/2953_large_1n5400_diode_7ae31f88-72ac-449e-8a06-5d172aac1ae7_{width}x.jpg?v=1582129234)
£0.17
1N5400 Diode
![large BC585 PNP transistor](http://kitronik.co.uk/cdn/shop/products/c2902_large_BC585_PNP_transistor_d15e21b7-562b-4c2a-a89d-d71cca320c7f_{width}x.jpg?v=1582129185)
From £0.15
BC558 PNP Transistor