Sub-Miniature ToggleSwitches ( Sub-Min Toggle A ) A range of toggle switches in SPDT and DPDT with a variety of switching actions. Switches have chrome- plated brass dolly and silver-plated contacts. Rated:2A250Vac5A125Vac5A30VdcContact resistance:<20mΩInsulation resistance:>100MΩLife:50,000 make/break cyclesat full loadMounting hole:635mm dia.Single-pole double-throw (SPDT) types are available in the following switching actions. Non-locking indicates biased or momentary action.TypeActionDescriptionAON-ONLockingboth waysBON-OFF-ONLocking bothways, centre offCON-OFF-(ON)Locking one way,non-locking oneway, centre offD(ON)-OFF-(ON)Non-locking bothways, centre offSimilarly double-pole double-throw (DPDT) types are available in the following switching actions.TypeActionDescriptionEON-ONLocking both waysKON-(ON)Locking one way,non-lockingone wayFON-OFF-ONLocking bothways, centre offGON-OFF-(ON)Locking one way,non-locking oneway, centre offH(ON)-OFF-(ON)Non-locking bothways, centre off ... Candle Bulbs Twin Pack ( 25WCandleOpalSES 2Pk ) · Available in 25W, 40W and 60W· Available in opal and clear· Supplied in packs of 2 A range of candle bulbs ideal for standard ceiling and wall lights. The bulbs are supplied with 3 different base fittings: SES, BC and SBC. Order CodeWattage (W)Base ColourN71BY25BCOpalN72BY25BCClearN77BY40BCOpalN78BY40BCClearN83BY60BCOpalN84BY60BCClearN73BY25SBCOpalN74BY25SBCClearN79BY40SBCOpalN80BY40SBCClearN85BY60SBCOpalN86BY60SBCClearN75BY25SESOpalN76BY25SESClearN81BY40SESOpalN82BY40SESClearN87BY60SESOpalN88BY60SESClear ... Insulated Crocodile Clips ( White Croc Clip ) A range of crocodile clips with insulating vinyl covers. Clips are 30mm long and overall length with sleeve is 40mm. Available in six colours: red, black, yellow, green, white and blue. ... Opto Transistor Isolator ( Dual Opto-Isolator ) Optically coupled infrared emitting diodes and phototransistors in dual-in-line packages. Single type is in a 6-pin DIL package, dual type is in an 8-pin DIL package and quad type is in a 16-pin DIL package.On the single type, a base lead is provided so that the device may be biased in the conventional manner.Absolute maximum ratings Input to output voltage:1500VCollector-base voltage (V<sub>CBO</sub>):70VCollector-emitter voltage(V<sub>CEO</sub>):30V(dual and quad 20V)Emitter-base voltage (V<sub>EBO</sub>):7VInput diode reverse voltage:3VInput diode continuousforward current:100mAContinuous power dissipation:LED:150mWPhototransistor:150mWTotal:250mW(quad450mW)Electrical characteristics (typical):Input diode static reverse current(at V<sub>R</sub> = 3V):<10µAOn state collector current(V<sub>CE</sub> = 0.4V, I<sub>F</sub> = 16mA)Phototransistor operation (I<sub>B </sub>= 0):7mAPhotodiode operation (I<sub>E</sub> = 0):20µAOff-state collector current(V<sub>CE</sub> = 10V, I<sub>F</sub> = 0)Phototransistor operation (I<sub>B</sub> = 0):1nAPhotodiode operation (I<sub>E </sub>= 0):0.1nAh<sub>FE</sub> (V<sub>CE</sub> = 5V, I<sub>C </sub>= 10mA, I<sub>F</sub> = 0):300Input diode V<sub>F</sub>at I<sub>F </sub>= 16mA:1.2VCollector-emitter saturation voltage(I<sub>C </sub>= 2mA, I<sub>F</sub> = 16mA, I<sub>B </sub>= 0):0.25VInput to output resistance (diode leadsshorted to transistor leads shorted atV<sub>in</sub> to V<sub>out </sub>= 1.5kV):10<sup>11</sup>ΩInput to output capacitance:1pFMax operating frequencyphototransistor operation:>125kHzphotodiode operation:>250kHzMin transfer ratio:13% ... Notebook Dimm Memory ( DDR SODIMM512MB 2100 ) · Ideal for upgrading older laptops and notebooks· PC100/PC133 Dimm laptop memory A range of SODIMM memory modules for use in compatible equipment, such as notebook computers and iMac computer.Note: Please consult your PC handbook before installing any memory devicePlease call for latest memory pricing ... 4-Channel Professional Triplex DVR ( 4Ch DVR 120fps MJPEG ) · Triplex operation: real-time display, playback and networking · Real-time playback across all 4-channels simultaneously· Easy operation via mouse control· Enhanced USB disk Technical specifications:Input format:NTSC/ PALInput channel:4 BNCOutput channel:Monitor/Spot Display mode:Full screen, quad split, PIP, ZoomRecording frame rate (NTSC):120fps maximum (real time for each channel)Recording frame rate (PAL):100fps maximum (real time for each channel)Recording resolution full screen:702x240Recording resolution CIF:352x240Recording modes:Continuous, scheduled, sensor/motion triggerSearch mode:Percentage search, date/time search, event searchQuality level:Hyper, super, high, normal, lowBackup:USB 2.0 hostAlarm input:4Alarm output:1Power supply:DC 12 VOperation control:Mouse, remote control, RS232 ... Maplins Discount Coupons | Maplins Stores
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