radial lead resettable polymer ptcs revision october 18, 2013 1 / 4 @ un semiconductor co., ltd. 2013 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. un600 series un semiconductor co., ltd. www.unsemi.com.tw the un600 series is designed to protect against power fault events typically found in telecom applications. this series is designed to be used in applications that need to meet the requirements of gr-1089-core and ul60950 / en60950 / iec60950. these resettable devices also help to meet the requirements of itu k.20, k.21 and k.44. u 0.11-0.20a hold current range u 600vac interrupt rating u fast time-to-trip u binned and shorted narrow resistance ranges available u rohs compliant, lead-free and halogen-free secondary over-current protection for: u central office equipment (co) u customer premises equipment (cpe) u alarm systems u set top boxes (stb) u voice over ip (voip) u subscriber line interface circuit (slic) maximum time to trip resistance part number i hold (a) i trip (a) v maxi (vdc) i max (a) p dtyp. (w) curre nt (a) time (sec.) r min (m ) r max (m ) r 1max (m ) un600-1 10 0.1 1 0. 22 600 3 1. 0 1. 0 5. 0 7. 5 18 27 un600-150 0.15 0.30 600 3 1.0 1.0 6.0 6.0 15 22 un600-160 0 . 16 0. 32 600 3 1. 0 1. 0 7. 5 5. 0 12 18 un600-200 0.20 0.40 600 3 1.0 1.0 12.0 4.5 11 16 i hold = hold current: maximum current device will pass without tripping in 25 c still air. i trip = trip current: minimum current at which the device will trip in 25 c still air. v maxi = maximum voltage that can be safely placed across a device in its tripped state under specified fault conditions. i max = maximum fault current device can withstand without damage at rated voltage (v max ) p dtyp. = power dissipated from device when in the tripped state at 25 c still air. r min = minimum resistance of device in initial (un-soldered) state. r max = maximum resistance of device in initial (un-soldered) state. r 1max = maximum resistance of device at 25 c measured one hour after tripping. caution: operation beyond the speci ?ed rating may result in damage and possible arcing and flame. description featur es electrical parameters applicab le
r a d i a l l ea d r ese t t a b l e p o l y me r p t c s rev i s i on o ct ober 18 , 2013 2 / 4 @ un s e m i c ondu ct o r c o ., l td . 2013 s pe c i f i c a ti on s a re s ub j e ct t o c ha n ge w i t ho u t n o t i c e. p l ea s e re f e r t o w w w . un s e m i .c o m . tw f or c urre n t i n f or m a t i on. un 600 s e r i e s un s e m i c ondu c t o r co. , lt d . w w w . u n s e m i . c o m .tw a mb i en t o pe r a ti on t e m pe r a t u r e - 40 ! c - 20 ! c 0 ! c 25 ! c 40 ! c 50 ! c 60 ! c 70 ! c 85 ! c p a r t n umbe r h o l d c u rr en t ( a ) un600- 1 10 0 . 171 0 . 151 0 . 131 0 . 1 10 0 . 091 0 . 081 0 . 071 0 . 061 0 . 046 un600-150 0 . 233 0 . 206 0 . 178 0 . 150 0 . 124 0 . 1 10 0 . 096 0 . 083 0 . 062 un600-160 0 . 249 0 . 219 0 . 190 0 . 160 0 . 132 0 . 1 17 0 . 103 0 . 088 0 . 066 un600-200 0 . 310 0 . 275 0 . 238 0 . 200 0 . 165 0 . 147 0 . 129 0 . 1 10 0 . 083 a = un 600 - 1 10 b = un 600 - 1 5 0 c = un 600 - 160 d = un 600 - 200 t e mp e r a tu r e r e r a t i ng c h a r t " i h old ( a) t e mp e r a tu r e r e r a t i ng c u r ve a v e r a g e t i m e c u rr e nt c u r v es t i m e i n s e c on ds curren t i n a m per es p er c en t age o f r a t ed current t e m pera t ure ( c)
r a d i a l l ea d r ese t t a b l e p o l y me r p t c s rev i s i on o ct ober 18 , 2013 3 / 4 @ un s e m i c ondu ct o r c o ., l td . 2013 s pe c i f i c a ti on s a re s ub j e ct t o c ha n ge w i t ho u t n o t i c e. p l ea s e re f e r t o w w w . un s e m i .c o m . tw f or c urre n t i n f or m a t i on. un 600 s e r i e s un s e m i c ondu c t o r co. , lt d . w w w . u n s e m i . c o m .tw t es t t es t c ond iti o ns a ccep t/r e j ec t c r it e r i a r e si s t a n c e i n s t ill ai r @ 25 " 2 c r m in # r # r m ax h old c u rr e n t 60 m in , a t i h o ld , i n s t i ll a i r @ 25 " 2 c n o tr ip t i m e t o t r ip s pe ci f i ed c u rr e n t, v m ax , @ 25 " 2 c t # m a x i m u m t i m e t o t r ip f r equ e n c y c u rr e n t w i t h s ta nd 380 v / i m a x, 20 c y cl e r e si s t a n c e o f t h e v a r ia t ion o f t he p o o r v alu e: ?
r a d i a l l ea d r ese t t a b l e p o l y me r p t c s rev i s i on o ct ober 18 , 2013 4 / 4 @ un s e m i c ondu ct o r c o ., l td . 2013 s pe c i f i c a ti on s a re s ub j e ct t o c ha n ge w i t ho u t n o t i c e. p l ea s e re f e r t o w w w . un s e m i .c o m . tw f or c urre n t i n f or m a t i on. un 600 s e r i e s un s e m i c ondu c t o r co. , lt d . w w w . u n s e m i . c o m .tw fi gure1 a b c d l ea d ( d i a) mm mm mm mm p a r t n u m b e r f i gure m a x . m a x . t y p . m a x . m m p acka g i ng ( b u l k p a c k) fi gure1 15 . 0 15 . 0 5 .1
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