4 ' j o t v m b u f e t v q f s n j o j b u v s f q s f d j t j p o n f u b m g j m n s f t j t u p s t e j n f o t j p o t b o e d p o t u s v d u j p o s b u j o h t g f b u v s f t s super high precision resistors with a wide resistance range of 100
? 5.11m
respond to tolerance ?.01 % and t.c.r. ?10 ?6 /k s extremely stable resistors with less variation ?.01 % /year s designated resistances (marking in 4-digit effective figures) of tolerances ?.01 % ? ?.25% are available s marking: black body color and alphanumeric marking s products meet eu rohs requirements eu p s e f s j o h j o g p s n b u j p o / & 8 type dimensions inches (mm) l d d (nominal) l sf1/8 .413?016 (1 0.5?.4) .142?016 (3.6?.4) .026 (0.65) 1.50?118 (38?) sf1/4 .630?016 (16.0?.4) .138?020 (5.5?.5) sf1/2 .787?020 (20.0?.5) .264?020 (6.7?.5) .031 (0.8) l ? d outer cas e trimming line resin for sealing ceramic cor e electrode ca p lead wire resistive film * it becomes a real number when a nominal resistance is 4 or more digits of significant figures. resistance tolerance t : ?.01% q : ?.02% a : ?.05% b : ?.1% c : ?.25% d : ?.5% product code nominal resistance 4 digits* power rating 1/8: 0.125w 1/4: 0.25w 1/2: 0.5w c t.c.r. (10 -6 /k) y : ? t : ?0 y terminal surface material c : sncu b 1003 sf 1/8 contact us when you have control request for environmental hazardous material other than the substance specified by eu rohs. rated ambient temperature: +70? operating temperature range: ?25? ?+85? rated voltage = power rating resistance value or max. working voltage, whichever is lower. power t.c.r. resistance range max. max. type rating ( 10 -6 /k ) t:?.01% q:?.02% a:?.05% b:?.1% c:?.25% d:?.5% working overload e24 , e96 e24 , e96 e24 , e96 e24 , e96 e24 , e96 e24 , e96 voltage voltage sf1/8yc 0.125w y: ? 100 - 200k 100 - 200k 100 - 200k 100 - 200k 100 - 200k 100 - 200k 250v 500v sf1/8tc t: ?0 100 - 511k 100 - 511k 100 - 511k 100 - 511k sf1/4yc 0.25w y: ? 100 - 511k 100 - 511k 100 - 511k 100 - 511k 100 - 511k 100 - 511k 300v 600v sf1/4tc t: ?0 100 - 1m 100 - 1m 100 - 1m 100 - 1m sf1/2yc 0.5w y: ? 100 - 1m 100 - 1m 100 - 1m 100 - 1m 100 - 1m 100 - 1m 350v 700v sf1/2tc t: ?0 100 - 3.57m 100 - 5.11m 100 - 5.11m 100 - 5.11m speci?ations given herein may be changed at any time without prior notice. please con?m technical speci?ations before you order and/or use. 12/10/09 koa speer electronics, inc s " o l i v a r $ r i v e s " r a d f o r d 0 ! s 5 3 ! s
s & a x
s w w w k o a s p e e r c o m s f t j t u p s t
4 ' j o t v m b u f e t v q f s n j o j b u v s f q s f d j t j p o n f u b m g j m n s f t j t u p s t f o w j s p o n f o u b m b q q m j d b u j p o t derating curve performance characteristics for resistors operated at an ambient temperature of 70? or above, a power rating shall be derated in accordance with the above derating curve. 100 80 60 40 20 0 70 -25 % ratedpower ambient temperature (?) 85 -40 -20 02 04 06 08 0 100 performance requirements test items $ r? test methods resistance within specified tolerance 25? sf1/8 r b 200k
+25?/-15? and +25?/+65?, r>200k
25?/+65? t.c.r. within specified t.c.r. sf1/4 r b 511k
25?/-15? and +25?/+65?, r>511k
25?/+65? sf1/2 r b 1m
: +25?/-15? and +25?/+65?, r>1m
25?/+65? overload (short time) 0.05 rated voltage 2.5 or max. overload vol. whichever is lower, for 5s. 0.05 350? ?0?, 3s +0.5s/-0s or 260? ??, 10s?s resistance to soldering heat 0.05 -25? (30min .)/ + 85 ? ( 30min. ) , 5 cycles rapid change 0.2 40 ? ? ? , 90% 95%rh, 1000h of temperature moisture resistance 1.5h on/0.5h off cycle endurance at 70? 0.2 70 ? ? ? , 1000h 1.5h on/0.5h off cycle variation per year 0.01%/year normal temperature and humidity for a year speci cations given herein may be changed at any time without prior notice. please con rm technical speci cations before you order and/or use. 1211/09 koa speer electronics, inc s " o l i v a r $ r i v e s " r a d f o r d 0 ! s 5 3 ! s
s & a x
s w w w k o a s p e e r c o m s f t j t u p s t
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