?a1qla?|3--?q kingstate electronics corp 2/5 kpeg272 a. scope ?d? this specification applies piezo audio indicator, kpeg272 |13w?????a??1q|?????1, kpeg272 b. specification 3w?? no. item unit specification condition 1 resonant frequency |@??w2v khz 3.5 0.5 2 operating volt. range ?t@1q?d3 vdc 3 ~ 28 3 current consumption ??1q?y ma max 6 at 12vdc 4 sound pressure level ?x-? db min 88 at 30cm/12vdc 5 rated voltage ?b?w1q vdc 12 6 tone n- continuous a?- 7 operating temp. ?t@?? j -30 ~ +85 8 storage temp. x|s?? j -40 ~ +95 9 dimension ?o mm p 31.5 x h14.4 see appearance drawing ?e?~?[?o1? 10 weight (max) -??q gram 7.0 11 material ? abs ul-94 1/16? hb high heat ?] black ?^ 12 terminal oyl pin type ( t? /plating sn) see appearance drawing ?e?~?[?o1? 13 environmental protection regulation ??oak3w rohs 14 storage life ?o|s?-- month 6 6 months preservation at room temp. (25 ? 3 j ), humidity40% |b???u 25 ? 3 j , ?? 40% hui?o|s 6 -? . c. appearance drawing ~?[?o1? tol : 0.5 unit : mm
?a1qla?|3--?q kingstate electronics corp 3/5 kpeg272 p i d. measuring method ??qJak s.p.l. measuring circuit -?????u1? mic : rion s.p.l mete r uc30 or equivalent mic ?g rion ??--p uc30 ??|p??~ e. voltage: sound pressure level / voltage: curren t consumption characteristics 1q?p-? / 1q?p1q?y?s?
?a1qla?|3--?q kingstate electronics corp 4/5 kpeg272 f. mechanical characteristics ???s? no. item test condition evaluation standard 1 solderability 2k?at?? lead terminals are immersed in rosin for 5 seconds and then immersed in solder bath of +2705 j for 31 seconds. oyl3???jaq-??2g 5 ?? , |a??j +2705 j???2k?? 31 ? . 90% min. lead terminals shall be wet with solder. (except the edge of terminal) ??joyl3?at?2k 90% h w .( ?oya_-oa ) 2 soldering heat resistance 2k?-@??? lead terminal are immersed up to 1.5mm from sounder?s body in soilder bath of +3005 j for 3 0.5 seconds or +2605 j for 101 seconds. ?zaoyl?3? 1.5mm ao|?m , ??j +3005 jao2k?? 30.5 ? , ?? +2605 j ao2k??? 101 ? . no interference in operation ?t@wl?|?} 3 terminal mechanical strength oylj? the force 10 seconds of 9.8n (1.0kg) is applied to each terminal in axial direction. |uoylao?bJ|v?ih 9.8n (1.0kg) aoo?q 10 ? . no damage and cutting off oyl?p? , 2?? 4 vibration ??????? buzzer shall be measured after being applied vibration of amplitude of 1.5mm with 10 to 55hz band of vibration frequency to each of 3 per-pendicular directions for 2 hours. ????gai?? 10 ?? 55hz ?bt??t 1.5mm ? x.y.z 3 -J|v , |u 2 p? . 5 drop test ?u??? the part only shall be dropped from a height of 75cm onto a 40mm thick wooden board 3 times in 3 axes (x.y.z). (a total of 9 times). 3??q 75 ?Fa3b , x.y.z.3 -J|v , |u 3 |^ , ?? 40mm ?pNaow . the value of oscillation frequency/ current consumption should be in 10% compared with initial ones .the spl should be in 10db compared with initial one. ???w2v?p??1q?y???q?|b 10% o . ?x-????q?|b 10db o . g. environment test ?1??? no. item test condition evaluation standard 1 high temp. test a???? after being placed in a chamber at +95 j for 240 hours ?m? +95 j?1 240 p? 2 low temp. test c???? after being placed in a chamber at ?40 j for 240 hours ?m? -40 j?1 240 p? 3 humidity test ??1?????? after being placed in a chamber at +40 j and 905% relative humidity for 240 hours ?m? +40 j , ??1??? 905% ?1 240 p? 4 temp. cycle test ??`????? the part shall be subjected to 5 cycles. one cycle shall be consist of ?g 3?????`???? 5 |? , ?`?o?e|p1??g +95 j +25 j +25 j -40 j 0.5hr 0.5hr 0.25 0.5hr 0.5hr 0.5hr 0.25 3hours being placed for 4 hours at +25 j , buzzer shall be measured. the value of oscillation frequ ency/ current consumption should be in10% compared with initial ones .the spl should be in10db compared with initial one. ?g???? , r?m? +25 j?]????^ ?1 4 p?? , ???w2v?p?? 1q?y???q?|b 10% o . ?x- ???q?|b 10db o .
?a1qla?|3--?q kingstate electronics corp 5/5 kpeg272 h. reliability test ?h????? no. item test condition evaluation standard 1 operating life test 1??r??? 1.continuous life test a?1??r??? ( 3s? ) 48 hours continuous operation at +70 j with rated voltage applied. |b +70 j?1u , h?b?w1q3s??t@ 48 p? . 2.intermittent life test ???1??r??? ( ??2 ) a duty cycle of 1 minute on, 1 minutes off, a minimum of 5000 times at room temp.( +252 j )and rated voltage applied. |b???u (+252 j ), h?b?w1q?t@ , 3q1q 1 F? / a_1q 1 F? , ??? 5000 |?`? . being placed for 4 hours at +25 j , buzzer shall be measured. the value of oscillation frequ ency/ current consumption should be in 10% compared with initial ones .the spl should be in 10db compared with initial one. ?g???? , r?m? +25 j?]????^ ?1 4 p?? , ???w2v?p?? 1q?y???q?|b 10% o . ?x- ???q?|b 10db o . test condition. standard test condition ?g a) temperature ?g +5 ~ +35 j b) humidity ?g 45-85% c) pressure ?g 860-1060mbar @????? ?g a) ???g +5 ~ +35 j b) ???g 45-85% c) ?e?g 860-1060mbar judgement test condition ?g a) temperature ?g +25 2 j b) humidity ?g 60-70% c) pressure ?g 860-1060mbar a?3????? ?g a) ???g +25 2 j b) ???g 60-70% c) ?e?g 860-1060mbar i. packing standard ]??3w?? out box 9pcsx6+8pcsx2=70pcs ( 2 layer ) out box (10pcs out box) carton box 290mm 5 5 0 m m 310mmx248mmx49mm 550mmx330mmx290mm out box carton box 3 3 0 m m 1x140pcs=140pcs 140pcsx10=1,400pcs
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