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How do Peltier Elements work?
Resistors

MR25 Metal Film Resistors Kit
A pack containing a total of 1,000, 0.25W 1% 50ppm precision metal film resistors ranging in value from 1R through to 1MR. A total of 70 different values including many selected from the E24 range to provide a comprehensive spread of resistance.

Order Code: CDT0145 Price:£19.99

CR25 Carbon Film Resistor Kit
A pack containing a total of 1,000, 0.25W 5% carbon film resistors ranging in value from 4.7R through to 10MR. A total of 63 different values.

Order Code: CDT0144 Price: £15.99

 

Miniature Polyester Capacitor Kit
A pack containing a total of 100 miniature 5mm pitch polyester capacitors. Nine different values, each value individually packed.

Order Code: CDT0273 Price: £12.99

Ceramic Capacitor Kit
A pack containing a total of 240 50V ceramic disc and plate capacitors ranging in value from 22pf to 0.1uf. Each value is individually packed.

Order Code: CDT0274 Price: £15.99

Prototyping Materials for Circuit Construction
We are pleased to offer a variety of boards for development, prototyping or kit building. SRBP (synthetic resin bonded paper) boards are easy to cut to size. Boards with a matrix of holes and individual copper pads make it easy to mount components and you can make your own tracks with copper tape.

Round Pad Cards
SRBP boards, 100 x 160mm with indidvidual round copper pads on one side.

Hole spacing 2.54 x 2.54 (0.1"), 38 holes x 61 holes
Order Code: CDT0137 Price: £3.65

Hole Spacing 5.08 x 5.08 (0.2"),19 holes x 31 holes
Order Code: CDT0138 Price: £2.75

Tripad Board
SRBP boards, 100 x 160mm with rectangular pads covering three holes at a time. Hole spacing 2.54 x 2.54 (o.1"), 39 strips x 20 (3 hole pads).

Order Code: CDT0139 Price: £4.45

Blank Copper Clad Board
Etch your own circuit design. Single Sided SRBP. Pack of 3 boards 100 x 160mm. Pack of 3.

Order Code: CDT0276 Price: £2.35

Copper Tape
Self Adhesive tape to make conducting tracks on the above boards or for many other uses. 5mm wide x 33 metres long

Order Code: CDT0140 Price: £7.49

Stripboard Cutter
For simple cutting of the tracks on stripboard. Simply position and twist by hand.

Order Code: TL9812 Price: £4.49

Solar Panel
Solar panel. 60 x 100mm glass panel with 60mm flying leads. Unmounted. Output 3V.

Order Code: CDT0141 Price: £2.90

Order Code: CDT0141/3 Price: £6.50 for 3

Large Heatsink Pack
Five large heatsinks of various shapes & styles.

Order Code: K600 Price: £2.95

Pack of 30 Heatsinks
Small heatsink pack. TO18, TO5, clip-on and bolt-on TO220.

Order Code: K916A Price: £3.00

Finned Heatsink (3 - per pack)
Black Anodised Finned Heatsink, 33x23x19mm high.

Order Code: Q0388 Price: £1.00

Heatsink TO5 (5 - per pack)
TO5, approximately 12mm diameter x 6.5 high.

Order Code: Q0389 Price: £1.00

Simple Folded Heatsink (3 - per pack)
Heatsink. Simple folded heatsink, 22 x 25 x 25mm approximately.

Order Code: Q0963 Price: £1.00

Aluminium Heatsink for T03 Devices
Aluminium heatsink for T03 devices. Overall size 60 x 46 x 14mm.

Order Code: Q0981 Price: £0.75

Heatsink 38x22.5x28mm. (3 - per pack)
Heatsink 38x22.5x28mm. Drilled for T066.

Order Code: X3253 Price: £1.00

Heatsink 50x25x15mm (4 - per pack)
Heatsink 50x25x15mm U shape for T0220.

Order Code: X3317 Price: £1.00

Heatsink Small Black Ally (10 - per pack)
Heatsink small black ally 22x18x9mm box section.

Order Code: X3562 Price: £1.00

Circular Heatsink (20 - per pack)
Small circular finned heatsink. 17.5mm external diameter with 7mm hole x 11mm high.

Order Code: X5405 Price: £1.00

Folded, Finned Heatsink (1 - per pack)
Heatsink. Folded, finned heatsink, 46 x 25 x 27mm high.

Order Code: X5946 Price: £0.70

Aluminium Heatsink for T03 Devices (1 - per pack)
Aluminium heatsink for T03 devices. Overall size 60 x 46 x 14mm.

Order Code: X5947 Price: £0.75

Heatsink with Large Fins (1 - per pack)
Heatsink with large fins. 25mm long x 19mm wide x 20mm high.

Order Code: X5948 Price: £0.80

Heatsink Drilled for T03 (2 - per pack)
Heatsink drilled for T03. 46 x 46x 32 6o C/W.

Order Code: X6134 Price: £1.00

Heatsink Drilled for TO3 (1 - per pack)
Heatsink drilled for TO3 80 x 80 x 25mm.

Order Code: X6136 Price: £0.80

Heatsink Drilled for T03 (1 - per pack)
Heatsink drilled for T03. 45 x 45 x 32mm.

Order Code: X6182 Price: £0.95

Heatsink for T05 Type Transistor (10 - per pack)
Heatsink for T05 type transistor, 20mm dia, 8mm high.

Order Code: X7199 Price: £1.00

Heatsink 40 x 28 x 12mm (5 - per pack)

Order Code: X7578 Price: £1.00

TO3 Heatsink (3 - per pack)
TO3 heatsink, 45 x 45 x 20mm 71 deg C/W.

Order Code: X7590 Price: £1.00

Funny Style TO3 Heatsink (2 - per pack)
Funny style TO3 Heatsink 58 x 45 x 35mm.

Order Code: X7658 Price: £1.00

TO2 type Heatsink (1 - per pack)

Order Code: X8481 Price: £1.00

Folded Heatsink (6 - per pack)
Folded heatsink, 17mm wide x 35mm long x 13mm high.

Order Code: X8510 Price: £1.00

TO3 type Heatsink (2 - per pack)
TO3 type heatsink, black, 64mm square x 22mm high, approximately 5'C/W.

Order Code: X8511 Price: £3.00

TO3 Type Heatsink
TO3 type heatsink, black anodised, diamond shaped, 35 x 52 x 50mm high with mounting lug.

Order Code: X8512 Price: £0.90

Heatsink 35mm (2 - per pack)
Heatsink 35mm, height 25mm depth 13mm. Marked sw25.2. With clips for stacking one on top of another.

Order Code: Z2541 Price: £1.00

Heatsink for T05 devices (8 - per pack)
Heatsink copper clip on type for T05 devices 19 x 18 dia.

Order Code: Z2596 Price: £1.00

12V Brushless DC Fan
12V BRUSHLESS DC Fan NMB2106KL-04W-B30 52mm x 52mm x 15mm flying leads. Current draw 0.1A.

Order Code: Q1573 Price: £1.75
Ref: Q1573/10 Price: £12.50 for 10

Speech Chip
The SP0256-AL2 produces all 59 phonemes of the English language plus 5 pauses of different lengths. Each of the phonemes are individually addressable which makes the SP0256 capable of saying anything which can be said in the English language. This is the easiest approach to univeral speech synthesis and the speech quality is that of a good robot voice. Search the net and you will find loads of reference to the use of this chip in robots, with masses of circuit ideas and chip specification.

Order Code: Z733 Price: £9.50

We now have a proffesionally made PCB measuring 38 x 63mm for the speech synthesis chip circuit.
Order Code: Q1604 Price: £Out of Stock

Special Offer! Buy the speech chip and PCB above at the special combined price of just £19.50
Order Code: Q1604SP Price: £Out of Stock

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Riverside House, Plumpton Road, Hoddesdon, Herts EN11 0PA
Tel: (01992) 452980 Fax: (01992) 452981