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1 / 13 p art no. : l td - 4830ctb - p bns-od-fc002/a4 led display LTD-4830CTB-P led display LTD-4830CTB-P rev description by date 01 preliminary spec. reo lin 04/20/2011 02 add minimum packing quantity in page 12 reo lin 05/ 08/2014 above data for pd and customer tracking only
2 / 13 p art no. : l td - 4830ctb - p bns-od-fc002/a4 led display LTD-4830CTB-P 1. description the LTD-4830CTB-P is a 0.39 inch (10.0mm) digit hei ght dual digit smd display. this device uses ingan blue led chips (ingan epi on sapphire substrate). the display has gray face a nd white segments. 1.1 features 0.39 inch (10.0 mm) digit height continuous uniform segments low power requirement excellent characters appearance high brightness & high contrast wide viewing angle solid state reliability categorized for luminous intensity. lead-free package(according to rohs) 1.2 device part no description ingan blue common anode rt. hand decimal LTD-4830CTB-P
3 / 13 p art no. : l td - 4830ctb - p bns-od-fc002/a4 led display LTD-4830CTB-P 2. package dimensions notes : 1. all dimensions are in millimeters. tolerances ar e 0.25 mm (0.01) unless otherwise noted 2. foreign material on segment Q 10mil 3. Q ink contamination (surface) 20mils 4. bubble in segment Q 10mil 5. bending Q 1% of reflector length 6. plastic pins burr max is 0.05 mm
4 / 13 p art no. : l td - 4830ctb - p bns-od-fc002/a4 led display LTD-4830CTB-P 3. internal circuit diagram
5 / 13 p art no. : l td - 4830ctb - p bns-od-fc002/a4 led display LTD-4830CTB-P 4. pin connection no connection 1 cathode digit1 e 2 cathode digit1 d 3 common anode digit 1 4 cathode digit1 c 5 cathode digit1 dp 6 cathode digit1 b 7 cathode digit1 a 8 common anode digit 1 9 cathode digit1 f 10 cathode digit1 g 11 cathode digit2 e 12 cathode digit2 d 13 common anode digit 2 14 cathode digit2 c 15 cathode digit2 dp 16 cathode digit2 b 17 cathode digit2 a 18 common anode digit 2 19 cathode digit2 f 20 cathode digit2 g
6 / 13 p art no. : l td - 4830ctb - p bns-od-fc002/a4 led display LTD-4830CTB-P 5. rating and characteristics 5.1. absolute maximum rating at ta=25c parameter maximum rating unit power dissipation per segment 70 mw peak forward current per segment ( 1/10 duty cycle, 0.1ms pulse width ) 100 ma continuous forward current per segment derating linear from 25c per segment 20 0.21 ma ma/c operating temperature range -35c to +105c storage temperature range -35c to +105c iron soldering conditions: 1/16 inch below seating plane for 3 seconds at 260 c 5.2.electrical / optical characteristics at ta=25c parameter symbol min. typ. max. unit test condition average luminous intensity per segment iv 2100 7000 m cd if=10ma peak emission wavelength l p 468 nm if=20ma spectral line half-width dl 25 nm if=20ma dominant wavelength l d 470 nm if=20ma forward voltage per chip vf 3.3 3.8 v if=20ma reverse current per segment (2) ir 100 m a vr=5v luminous intensity matching ratio (similar light area) iv-m 2:1 if=10ma notes : 1. luminous intensity is measured with a light sens or and filter combination that approximates the cie (commission international de leclariage) eye-response curve 2. reverse voltage is only for ir test. it cannot c ontinue to operate at this situation 3. cross talk specification Q 2.5%
7 / 13 p art no. : l td - 4830ctb - p bns-od-fc002/a4 led display LTD-4830CTB-P esd (electrostatic discharge) static electricity or power surge will damage the l ed. suggestions to prevent esd damage: use of a conductive wrist band or anti-electrostat ic glove when handling these leds. all devices, equipment, and machinery must be prop erly grounded. work tables, storage racks, etc. should be properl y grounded. use ion blower to neutralize the static charge whi ch might have built up on surface of the leds plas tic for n/d as a result of friction between leds during storage and handling.
8 / 13 p art no. : l td - 4830ctb - p bns-od-fc002/a4 led display LTD-4830CTB-P 5.3. typical electrical / optical characteristics c urves (25 c ambient temperature unless otherwise noted)
9 / 13 p art no. : l td - 4830ctb - p bns-od-fc002/a4 led display LTD-4830CTB-P 6. smt soldering instruction ( number of reflow process shall be less than 2 times , and cooling process to normal temperature is requ ired between the first and the second soldering process) notes : 1. recommended soldering condition reflow soldering (two times only) soldering iron (one time only) pre - heat: pre-heat time: peak temperature: soldering time: 120~150 c. 120sec. max. 260c max. 5sec. max. temperature soldering time 300 c max. 3sec. max. 2. number of reflow process shall be less than 2 times, and cooling process to normal temperature is required between the first and the second soldering process.
10 / 13 p art no. : l td - 4830ctb - p bns-od-fc002/a4 led display LTD-4830CTB-P 7. recommended soldering pattern
11 / 13 p art no. : l td - 4830ctb - p bns-od-fc002/a4 led display LTD-4830CTB-P 8. packing specification 8.1. packing reel dimensions p s 6 0 5 0 3 0 4 0 1 0 0 0 2 9 2 1 1 1 2 10 1 7 8 4 3 6 5
12 / 13 p art no. : l td - 4830ctb - p bns-od-fc002/a4 led display LTD-4830CTB-P 8.2. packing carrier dimensions 1. 10 sprocket hole pitch cumulative tolerance 0.2 0. 3. material : black conductive polystyrene alloy. 2. carrier camber is within 1 mm in 250 mm. 4. all dimensions meet eia-481-c requirements. 6. packing length per 22" reel : 35.5 meters. 5. thickness : 0.300.05mm. 7. component load per 13" reel:550 pcs 8. minimum packing quantuty is 150 pcs for remainde rs 8.3.trailer part / leader part (40mm min.) (400mm min.) (40mm min.) direction of pulling out
13 / 13 p art no. : l td - 4830ctb - p bns-od-fc002/a4 led display LTD-4830CTB-P 9. moisture proof packing all n/d smd displays are shipped in moisture proof package. the displays should be stored at 30c or less and60 % rh or less. once the package opened, moisture absorption begins . if the parts are not stored in dry conditions, they must be baked before reflow to prevent damage to t he parts. baking should only be done once package temperature time in reel 60 c R 48hours in bulk 100 c R 4hours 125 c R 2hours

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