TSL - Technology

Medium Turned Birch wheels have a 4mm axle hole. One side is dished, the other flat. Tight fit on 5mm dowel.

This economical rack has 24 x 50mm spaces for A2 or A3 folders on each shelf. Two or three tier models are available as static OR mobile with feet or castors - customer to specify. (HxWxD) 1950 x 1500 x 580mm.

Black wheels and tyres moulded in PVC. Small sizes are car type, the larger are tractor/lorry type.

Solid birch turned balls. Packs of 10.

These set squares are made from clear tinted plastic with bevelled edges. Staedtler set squares are graduated in mm on one side and figured every 10mm in cms.

These set squares are made from clear tinted plastic with bevelled edges. Staedtler set squares are graduated in mm on one side and figured every 10mm in cms.

Supplied in a plastic wallet with a spare lead. It has a fixed point friction head compass for circles from about 3 to 340mm dia. Height: 128mm.

Semi-circular and full circle protractors made from polystyrene with bevelled edge and 1° graduations.

A3 drawing board carry case made from 3mm corriflute with carrying handle and case clips. Dimensions: 510 x 390 x 50mm. This carry case is suitable for 580-604 only. Case supplied flat packed for easy assembly.

Designed to store Walton A2 and A3 size drawing boards. The large size will store 20 Harlestons or 30 Starstons. Smaller size will store 10 Harlestons or 15 Starstons. Lock fitted as standard. Dimensions: 1202mm W x 418mm D x 840mm H

Erasers for the removal of lead from paper and film.

Cotton base, white, approx. 125g reel.

These polypropylene wheels are 50mm wide, with 4mm axle hole. in a pack of 100 wheels. Individual bags contain one colour.

Modern design of compass featuring large easy grip bow-top, self-centring mechanism and unique safety point. 3 colour assortment. Pack of 25.

These set squares are made from clear tinted plastic with bevelled edges. Staedtler set squares are graduated in mm on one side and figured every 10mm in cms.

British made 4mm stackable plugs. A 4mm socket is incorporated in the rear for in line stacking. Screw connection for wire. Rated 10A.

LED CLIPS Packs of 10 - 5mm clip single part.

Standard commercial quality 12 way terminal blocks. Polythene construction, easily subdivided, rated 380 V rms.

British made 4mm stackable plugs. A 4mm socket is incorporated in the rear for in line stacking. Screw connection for wire. Rated 10A.

Suitable for normal industrial and professional applications. Base laminate conforms to all international standards and releases, as lisited in IPC4101A. RoHS compliant. Specifications Thickness:1.6mm Copper foil:35 micron Dissipation factor:35 Dielectric constant:5.4 Solderbath resistance (260°C): 20 secs Resist thickness:5 microns Spectral response:350-450nm, typical 2-3 minute exposure UV light energy required:Approx. 50mJ/cm Shelf life:1 year at 15-20°C

Suitable for normal industrial and professional applications. Base laminate conforms to all international standards and releases, as lisited in IPC4101A. RoHS compliant. Specifications Thickness:1.6mm Copper foil:35 micron Dissipation factor:35 Dielectric constant:5.4 Solderbath resistance (260°C): 20 secs Resist thickness:5 microns Spectral response:350-450nm, typical 2-3 minute exposure UV light energy required:Approx. 50mJ/cm Shelf life:1 year at 15-20°C

Suitable for normal industrial and professional applications. Base laminate conforms to all international standards and releases, as lisited in IPC4101A. RoHS compliant. Specifications Thickness:1.6mm Copper foil:35 micron Dissipation factor:35 Dielectric constant:5.4 Solderbath resistance (260°C): 20 secs Resist thickness:5 microns Spectral response:350-450nm, typical 2-3 minute exposure UV light energy required:Approx. 50mJ/cm Shelf life:1 year at 15-20°C

With solder connection.

BS 1363. Fused, insulated pins.

Non-rechargeable Alkaline batteries, which have up to 6 times the energy content of standard zinc-carbon batteries. Leak resistant, 100% mercury free. RoHS exempt.

With solder connection.

The Professional breadboard has contact positions identified by alphanumeric grids. The Professional also have colour coded polarity indicators. Size: 80 x 54mm with 400 tie points. Contact life: over 10,000 insertions.

Panel mounting SPST 10 amp 250V AC. panel cutout 19.3 x 13mm Terminals 4.8 x 0.8 crimp (D250-694)

Overload protection on all ranges except 10A DC current rnge. Low battery indication. Robust ABS housing, with protective yellow rubberised holster. A low cost multi-function instrument which offers excellent value for educational use. Supplied complete with safety test leads, battery and instructions. Designed in accordance with IEC1010 600V Cat II. CE approved Range 200mV 0.1mV 0.5% + 5 250V rms 2V 1mV 0.8% + 5 600V DC/AC rms 20V 10mV 0.8% + 5 200V 100mV 0.8% + 5 200mV 0.1mV 0.5% + 5 250V rms 2V 1mV 0.8% + 5 600V DC/AC rms 20V 10mV 0.8% + 5 200V 100mV 0.8% + 5 AC Volts: 200V 100mV 1.2% + 10 600V 1V 1.2% + 10 Transistor: Test current 10uA. Vcc 3.0V. hFE 1-1000 Diode: Test current 1mA approx. Voltage 2.8V approx. Continuity: Buzzer sounds when resistance <50W approx. Dimensions: 126x70x28mm. Weight 155g approx.

Panel mounting with solder tag terminals. Supplied with On-Off indicator plate.

DPDT slide switch 22 x 13 x 12mm.

With wire leads.

Single pole push-on/off press switch with screw terminal connections. Specifications: Rating: 2A @ 250VAC Panel cutout: 10mm. Max panel thickness: 3mm

With snap connectors.

With wire leads (wl).

They have snap connectors that accept PP3 battery snaps except D250-527 and 528 which have solder tags (st), and D250-526, 535 & 746 which have wire leads (wl).

11mm Round - 1.5 V 200mA

(4 Amps RMS, plastic case type TO126)

Battery Snaps have colour coded 150mm long insulated leads. Pp3 snaps fit PP3 batteries and the battery holders above. *Moulded UL & CSA approved.

White plastic screw connections 30mm dia 19mm high.

Miniature circular DC motor, ideal for models and educational applications.Nominal voltage 3.0V with operating range 1.5 to 4.5V. The two flat sides enable easy mounting onto a panel or PCB. Rotation is counter-clockwise (as viewed from shaft end). Nominal voltage: 3.0V Operating range: 1.5-4.5V No load speed: 16000 RPM No load current: 0.4A Speed at max. efficiency: 12400 RPM Current at max. efficiency:1.5A Torque: 11.9g-cm Dimensions: L: 25 (exc. shaft) W:20.1 H:15.1mm. Shaft length 8.1x 2.0 dia. Weight 19g approx.

Medium torque DC motor with operating range 1.5 to 4.5V, ideal for educational and modelling applications. Rotation is clockwise as viewed from shaft end. Dimensions: L: 27 (exc. shaft) x 24mm dia. Shaft length 8.6x 2.0 dia. Weight 28g approx. Nominal voltage: 3.0V Operating range: 1.5-4.5V No load speed: 6600 RPM ±10% No load current: 0.13A Speed at max. efficiency: 5100 RPM Current at max. efficiency: 0.4A Output: 0.42W Torque: 11.6g-cm Stall torque: 55g-cm min. Stall current: 1.4A max.

25mm O.D. Self adhesive pad on base.

These solar motors are low inertia types with low current drain suitable for use with solar modules & cells shown above. They can also be used instead of standard motors to reduce battery current drain.

This mono amplifier kit uses an LM386 audio amplifier IC which can output 1.25W of power. The kit is supplied with a pre-built jack cable and a PP3 battery clip, and can run off any voltage from 4 to 12 Volts (Absolute Maximum 15V). Requires a PP3 (9V) battery.

This stereo audio amplifier kit is an ideal basis for a design and technology project, and works with any personal stereo equipment. It uses a NJM2073D audio amplifier IC which can output 1W per channel. The kit is supplied with two speakers and a pre-made 3.5mm jack plug. It works nicely off a PP3 battery (9V), or runs off any voltage from 2 to 15 volt. NOTE - this kit needs to be assembled

A high torque miniature DC motor with an operating range of 1.5V to 6.0V, suitable for educational and modelling applications. Rotation is clockwise as viewed from shaft end. Dimensions: L: 30.5 (exc. shaft) x 24mm dia. Shaft length 10mm x 2.0mm dia. Weight 42g approx. RoHS compliant Nominal voltage: 3.0V Operating range: 1.5-6.0V No load speed: 9600 RPM ±10% No load current: 0.25A Speed at max. efficiency: 7790 RPM Current at max. efficiency: 1.14A Output: 1.58W Torque: 19.9g-cm Stall torque: 110g-cm min. Stall current: 5.2A max.

Miniature circular DC motor. Rotation is clockwise (as viewed from shaft end). Dimensions: L: 25 (exc. shaft) x 21mm dia. Shaft length 8.1x 2.0 dia. Weight 19g approx. RoHS compliant Nominal voltage: 3.0V Operating range: 1.5-3.0V No load speed: 14700 RPM No load current: 0.3A Speed at max. efficiency: 11524 RPM Current at max. efficiency:1.05A Torque: 14.1g-cm Stall torque: 65g-cm Output: 1.65W

High-quality nickel-plated steel split rings. Packs of 100.

Supplied with black hour/minute hands (950-395) & red second hands (950-396). Spindle length: 12mm. Pack of 10.