1、KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2006 11 24 http:/www.kats.go.krKS C IEC 61643 331 331 ： (MOV) KS C IEC 61643 331： 2006 (2011 )C IEC 61643 331： 2006 : ( ) ( ) () ( ) : (http:/www.standard.go.kr) ： : 2006 11 24 : 2011 12 28 2011-0694 ： ： ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . ICS 31
2、.040 KS C IEC 331 ： (MOV) 61643 331： 2006(2011 ) Components for low voltage surge protective devices Part 331： Specification for metal oxide varistors(MOV) 2003 1 IEC 61643 331 Components for low voltage surge protective devices Part 331： Specification for metal oxide varistors(MOV) . 1. (MOV) , 1 0
3、00 V 1 500 V (telecommunication) (signalling) . MOV (high transient voltage) . 2 MOV , (hybrid) . , MOV . MOV . 2 MOV . (mountings) MOV . MOV . 2. . . KS C IEC 61643 1： 2003 1 ： IEC 60068 1： 1998 1 ： IEC 60068 2 6： 1995 2 ： Fc： ( ) IEC 60068 2 14： 1984 2 ： N： IEC 60068 2 20： 1979 2 ： T： IEC 60068 2
4、29： 1979 2 ： Eb ： IEC 60068 2 52： 1987 2 ： Kb： , ( , ) IEC 60068 2 78： 1996 2 78： ： / 3. , 3.1 MOV . 3.1.1 (single pulse peak current) ITMMOV C IEC 61643 331： 2006 2 8/20 s . , (line voltage) . 3.1.2 (multiple pulse peak current) ITSMMOV 8/20 s . 3.1.3 (multiple pulse peak current derating against p
5、ulse width) (rectangular pulse) . , , 106, 105, 104, 103, 102, 10 . 3.1.4 (temperature derating curve) . , , . 3.1.5 (single pulse maximum energy) WTM , 2 ms (IEC 60060). 3.1.6 (maximum continuous voltage) VM( 1 ) 3.1.6.1 (maximum continuous a.c. voltage) VM(AC) ( 5 % ) 3.1.6.2 (maximum continuous d
6、.c. voltage) VM(DC) 3.1.7 (maximum continuous power dissipation) PM 3.2 MOV 3.2.1 (standby current) ID 1. (leakage current) . 2. 1 MOV (clamping voltage) VC(3.2.3 ) . 3.2.2 (nominal varistor voltage) VN (IN) (duration) MOV ( 1 ). MOV . , 1 mA . , 40 ms . (nominal value) 10 % . 3.2.3 (clamping voltag
7、e) VC (IP) MOV ( 1 ) C IEC 61643 331： 2006 3 1 MOV V I 3.2.4 (capacitance) CV MOV 3.2.5 (equivalent series inductance) LV MOV 3.2.6 (pulse current) IN 3.3 MOV (symbol) 4. 4.1 4.1.1 4.1.1.1 , ： 5 55 ： 40 85 4.1.1.2 86 106 kPa(IEC 60068 1 ) 4.1.1.3 25 93 % (IEC 60068 1 IEC 60068 2 78 ). 4.1.1.4 , (spe
8、cification) (component) (IEC 60068 2 6 ). 4.1.2 MOV 4.1.2.1 (solvent resistance) MOV ( , C IEC 61643 331： 2006 4 ). 4.1.2.2 (solderability) (wire) (tag terminations) (solder) (wet) , (de wet) (IEC 60068 2 20 ) . 4.1.3 4.1.3.1 48 62 Hz . 4.1.3.2 . 10 % . 4.2 MOV , . . . 4.2.1 ： IEC 60068 2 14 IEC 600
9、68 2 78 (salt spray) ： IEC 60068 2 52 (abnormal) ： IEC 60068 2 6 IEC 60068 2 29 ( ) 4.2.2 MOV , 5. MOV (basic function and MOV component descriptio n) ( ) (ceramic) . (KS C IEC 61643 1 ) . , (resin) . (wire) (braket) . (SPD；surge protective device) MOV , . 6. (identification) 6.1 ZnO . , (6.2) (6.3)
10、 (file) . 6.2 , . , . MOV , . 6.3 MOV (during) . C IEC 61643 331： 2006 5 . (procedure) (modality) (process) 7. (marking) ZnO MOV (part number) , . (batch) (serial test results) , . 8. (testing and measuring methods) 8.1 (standard design test criteria) 8.3 8.4 MOV . . MOV , MOV MOV . MOV . 8.2 MOV 8.
11、3 8.4 MOV . . ： (2510) ： 85 % ： 86 106 kPa 8.3 8.3.1 ( ITM) MOV MOV ( 2 ). , 8/20 s . C IEC 61643 331： 2006 6 PS DC R3 R1 R2 , S1 R4 ( ). CT C . S2 DUT (MOV) L CRO ： . 4 (four point) Kelvin contact (differential oscilloscope), (short lead) . 2 ( IP) ( VC) 8.3.2 ( ITSM) MOV MOV ( , VM 10 % .) , . ( ,
12、 ) ( 2 ). , 8/20 s . KS C IEC 61643 1 MOV I, II, III . A . 8.3.3 ( VM) 8.4.2 . 8.4 8.4.1 ( VC) MOV (IP) , MOV ( 2 ). . , 8/20 s . KS C IEC 61643 1 MOV A 1.2/50, 8/20 . 8.4.2 ( ID) . , . , ( ) ( 3 ). . , (across) . (reading) . C IEC 61643 331： 2006 7 PS V A 3 8.4.3 ( VN) MOV ( 4 ). (IN) 400 ms . 1 mA
13、 . , ( ) . . P V A 4 ( VN) 8.4.4 ( CV) MOV . , . 25 1 kHz 0.1 V . 8.5 8.5.1 (ageing test) , . LV TV MOV 110 % . 8.5.2 (definition of the sample being tested) MOV (customer) . MOV . MOV (lot) 10 . 1 000 . , 5 % . , 1 2 . 120 % . 10 C IEC 61643 331： 2006 8 2 . 9. (fault and failure mode) MOV . 9.1 (de
14、gradation fault mode) MOV 90 % . (basis of failure criteria) , . 1mA . 9.1.1 (short circuit failure mode) 1 V MOV (permanently) 100 . 9.1.2 (high clamping voltage failure mode) MOV 110 % . 9.2 (fault mode determination of rating test failures) 9.2.1 (degradation fault mode) MOV (VN； 8.4.3 ) 90 % . (
15、basis of failure criteria) , . 1 mA . 9.2.2 (short circuit fault mode) 1 V MOV 100 ( 10 mA) . 9.2.3 (high clamping voltage fault mode) MOV (VC； 8.4.1 ) 110 % . C IEC 61643 331： 2006 9 A() KS C IEC 61643-1 MOV A.1 KS C IEC 61643 1 (SPD) . I, II III . MOV / . KS C IEC 61643 1 . KS C IEC 61643 1 MOV .
16、A.2 MOV KS C IEC 61643 1 MOV (combi nation) MOV . , MOV KS C IEC 61643 1 / (fraction) . MOV (depend). (2015) , MOV (higher temperature microclimate) . KS C IEC 61643 1 , MOV MOV (preferred ratings) . A.2.1 I (class I preconditioning and operating duty cycle test) A.2.1.1 I (class I preconditioning)
17、UC 5 3 (burst) . 5 50 60 s , 2530 . . 0 (positive zero crossing) . 14 30 (30, 60, 90, 120 60 ) . (front time) 1.2 s (half value time) 50 s . 8/20, (crest value) IN MOV . A.2.1.2 I (class I operating duty cycle test) Iimp (peak current value； Ipeak) 10 ms (Q) . Ipeak Q Q/Ipeak 0.5 ms . Ipeak, 0.5 ms
18、. , Ipeak, 10/350 . (preconditioning) 0.1 Ipeak, 0.25 Ipeak, 0.5 Ipeak, 0.75 Ipeak Ipeak . . UC . (positive peak) . 30 . MOV . MOV . A.2.2 II (class II preconditioning and operating duty cycle test) A.2.2.1 II (class II preconditioning) II I (A.2.1.1 ). A.2.2.2 II (class II operating duty cycle test
19、) C IEC 61643 331： 2006 10 , 8/20, (crest value) Imax MOV . 0.1 Imax, 0.25 Imax, 0.5 Imax, 0.75 Imax Imax . . UC . (positive peak) . 30 . MOV . MOV . A.2.2.3 III (class III operating duty cycle test) 1.2/50, UOC . 8/20, Isc . UOC Isc UOC/Isc 2 . . III UOC 1.2/50, 8/20 I (A.2.1.1 ). 0.1UOC, 0.25UOC, 0.5UOC, 0.75UOC UOC . . UC . (positive peak) . (negative peak) . 30 . MOV . MOV . C IEC 61643 331： 2006 11 1 KS C IEC 60060 1： 2001 1 ： 2 KS C IEC 61000 4 5： 2003 (EMC) 4 ： 5 ： 3 KS C IEC 61180 1： 2006 1 ： , 4 KS C IEC 61051 1： 2005 1 ： 5 KS C IEC 61051 2： 2005 2 ： 6 IEC 61051 2 1(1)
