Are non-linear resistors utilize a semiconductor electronic ceramic element mainly composed of Zinc Oxide and its resistors change as a function of the applied voltage.it s called Varistor or Transient surge absorbers FEATURES (18V~1.8KV) ( ns) (0A/cm 2 ) Widely voltage range 18V~1.8KV Fast response to the rapidly increase ( Excellent non-linearity voltage Symmetric V-l characteristics 2 Great withstanding surge current (0A/cm ) No follow-on current Long life ns) HOW TO ORDER F NR 0 K 180 T Fenghua Non Linear Resistor (mm) Element Diameter 0 07 7 Tolerance K % M % Varistor 180=18 181=18 182=18 0 1 2 Packing code B Bulk T Tape&Reel CHARACTERISTICS pre breakdown region nomal operating region upturn region 3 VOLTAGE 2 12~13 = cm 1=kv =1- cm -8-7 -6 - -4-3 -2-1 1 2 3 4 Current(A) Fig1 Current Characteristic
LEAD STYLE Fig.A Fig.B Fig.C Code Configuration 4.8Max 4.8Max A straight long 3..0max.0Min d 4.8 4. B Outside Crimped short C Vertical Crimped Fig.D Fig.E Fig.F D straight short E F Outside Crimped Long Inside Crimped short 3.0Max.0Min d 4.8Min 4.8Max 4. QUANTITY& MEASURE Quantity/ Plastic bag Code A.E Bluk B.F.E Tape 0K 0 0PCS PCS 07K 0 0PCS PCS K 0PCS 0PCS K 1 0PCS 0PCS K PCS 0PCS K PCS 32K K
Part Code 180 2 270 330 390 470 680 8 1 121 11 181 1 221 241 271 301 331 361 391 431 471 11 61 621 681 71 781 821 911 2 112 0k 4. 4.6 4.7 4.9 4.8 4.9.0.2 4.1 4.3 4. 4.8 4.3 4.4 4. 4.6 4.9.0.1.2.4.7 07k 4. 4.6 4.7 4.9 4.8 4.9.0.2 4.1 4.3 4. 4.8 4.3 4.4 4. 4.6 4.9.0.1.2.4.7 7.1 7.3 k 4.6 4.7 4.8.0.3.4..6 4.7 4.9.1.4.0.0.0.2.4..8 6.2 6. 6.8 6.8 6.8 7.3 7.6 8.0 8.1 8.3 8.8 9.3 9.9 k 4.6 4.7 4.8.0.3.4..6 4.7 4.9.1.4.0.0.0.2.4..8 6.2 6. 6.8 6.8 6.8 7.3 7.6 8.0 8.1 8.3 8.8 9.3 9.9 k.4..6.8.9 6.1 6.4 6.6 6.9 7.2 7.2 7.2 8.0 8.0 8.4 8. 8.7 9.2 9.7.3 32k.6.7.8 6.1 6.3 6.6 6.8 7.1 7.4 7.4 7.9 8.2 8.2 8.6 8.7 8.9 9.4 9.9. k.6.7.8 6.1 6.3 6.6 6.8 7.1 7.4 7.4 7.9 8.2 8.2 8.6 8.7 8.9 9.4 9.9. k 4.6 4.9.0.2..6.7.8 4.9.1.3.6.2.2.3.4.6.7 6.2 6.4 6.7 7.0 7.0 7.0 7.8 7.8 8.2 8.3 8. 9.0 9..1 T Thickness (max) ( Unit:mm) DIMENSION Part Code 0K 07K K K K K 32K K MAX 7. 9. 17. 24 30 38 48 MAX 19 /22 28/30 33 43 2 1 1 7. 1 7. 1 1 1 1 18 1 18 1 0.0 0.0 0.8 0.0 0.8 0.0 0.0 1. 0.0 1. 0.0 1. 0.0 A B d C
TAPING SPECIFICATION h P2 P D0 2.0 W L w 0 w1 H 0 H d P 0 F P1 D0 t Unit:mm Symbol Series 7 D 7.0Max 9.0Max.0Max 17.0Max d 0.0 0.0 0.8 0.0 0.8 0.0 P 12.7 12.7 30.0 P 0 12.7 12.7 P 1 3.8 0.70 3.8 0.70 3.7 0.70 3.8 0.70 P 2 6.3 1.30 6.3 1.30 7. 1.30 7. 1.30 D 0 4.0 0.2 4.0 0.2 4.0 0.2 4.0 0.2 W 18 18 18 18 W 0 12. MIN 12. MIN 12. MIN 12.MIN W 1 9.0 9.0 9.0 9.0 W 2 3.0 MAX 3.0 MAX 3.0 MAX 3.0 MAX H H 0 1 1 1 1 h 0 2.0 0 2.0 0 2.01 0 2.01 t 0.3 0.3 0.3 0.3 L 9.0 9.0 9.0 9.0 F.0.0 7. 7.
K SERIES SPECIFIATION Part Number Maximun operating Varistor Maximun clamping Withstanding Surge Current (8/ S ) Energy 2ms Rated Wattage ( (1K Hz) Capacitance (Reference AC DC VmA Vc IP (A) 1 Time (A) (J) (W) ( PF) FNR-0K180 11 18 16.2 19.8 1 0.01 10 FNR-0K2 18 22 19.8 24.2 48 1 0. 0.01 1 FNR-0K270 17 22 27 24.3 29.7 1 0.01 FNR-0K330 26 33 29.7 36.3 73 1 0.8 0.01 900 FNR-0K390 31 39 3.1 42.9 86 1 0.9 0.01 0 FNR-0K470 30 38 47 42.3 1.7 4 1 1.1 0.01 4 FNR-0K 3 4 6.4 61.6 123 1 1.3 0.01 FNR-0K680 6 68 61.2 74.8 1 1 1.6 0.01 3 FNR-0K8 6 82 73.8 90.2 1 1.8 2 FNR-0K1 8 90 1 17 2.2 FNR-0K121 7 1 8 132 2 2. 170 FNR-0K11 9 1 1 13 16 2 4.0 0 FNR-0K181 11 1 180 162 198 31 4. 1 FNR-0K1 130 170 180 2 3.0 80 FNR-0K221 0 180 2 198 242 380 70 FNR-0K241 1 2 216 264 41 6. 70 FNR-0K271 17 2 270 243 297 47 8.0 6 FNR-0K301 2 270 330 8.0 FNR-0K331 2 27 330 297 363 80 8. FNR-0K361 230 3 324 396 6.0 FNR-0K391 2 3 390 31 429 67.0 FNR-0K431 27 3 430 387 473 74 12.0 4 FNR-0K471 38 470 423 17 8 13.0 FNR-0K11 3 41 49 61 84.0 39 FNR-0K61 3 4 4 616 9.0 39
K Series V-I Curve Impluse Lifetime Ratings (2 time: minutes internal up to times 2 minutes internal 6 up to times seconds internal) 1 90 80 70 30 1 9 8 7 6 4 Current(A) Impulse width us) 0 0 900 800 700 0 0 1 90 80 70 30 Current(A) Impulse width us)
FNR-07K180 FNR-07K2 FNR-07K270 FNR-07K330 FNR-07K390 FNR-07K470 FNR-07K FNR-07K680 FNR-07K8 FNR-07K1 FNR-07K121 FNR-07K11 FNR-07K181 FNR-07K1 FNR-07K221 FNR-07K241 FNR-07K271 FNR-07K301 FNR-07K331 FNR-07K361 FNR-07K391 FNR-07K431 FNR-07K471 FNR-07K11 FNR-07K61 FNR-07K621 FNR-07K681 AC 11 17 30 3 7 9 11 130 0 1 17 2 230 2 27 3 3 38 4 DC 18 22 26 31 38 4 6 6 8 1 1 170 180 2 2 27 3 3 38 41 4 61 (W) 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. VmA 18(16.2~19.8) 22(19.8~24.2) 27(24.3~29.7) 33(29.7~36.3) 39(3.1~42.9) 47(42.3~1.7) 6(.4~61.6) 68(61.2~74.8) 82(73.8~90.2) (90~1) 1(8~132) 1(13~16) 180(162~198) (180~2) 2(198~242) 2(216~264) 270(243~297) (270~330) 330(297~363) 3(324~396) 390(31~429) 430(387~473) 470(423~17) (49~61) (4~616) 6(8~682) 680(612~748) Vc 36 43 3 6 77 93 1 13 13 16 2 3 3 39 4 0 9 6 7 77 8 9 11 IP (A) 3 3 3 3 3 3 3 3 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 (J) 0.9 1.1 1.4 1.7 2.1 2. 3.1 3.6 4.2 4.8.9 8.0.0 13.0 13.0 13.0 17.0 22.0.0 22.0 2 2 2 2 2 2 (PF) 30 2800 0 13 11 9 700 0 4 3 2 2 170 1 1 130 130 1 90 80 7 7K SERIES SPECIFIATION Maximun operating Maximun clamping Energy 2ms ( (1K Hz) Capacitance (Reference Part Number Rated Wattage Varistor Withstanding Surge Current (8/ S ) 1 Time (A)
7K Series V-I Curve Impluse Lifetime Ratings (2 time: minutes internal up to times 2 minutes internal 6 up to times seconds internal) FNR-7K180 to FNR-7K680 1 90 80 70 30 1 9 8 7 6 4 Current(A) Impulse width us) FNR-7K8 to FNR-7k681 0 0 900 800 700 0 0 90 80 70 30 Current(A) Impulse width us)
FNR-K180 FNR-K2 FNR-K270 FNR-K330 FNR-K390 FNR-K470 FNR-K FNR-K680 FNR-K8 FNR-K1 FNR-K121 FNR-K11 FNR-K181 FNR-K1 FNR-K221 FNR-K241 FNR-K271 FNR-K301 FNR-K331 FNR-K361 FNR-K391 FNR-K431 FNR-K471 FNR-K11 FNR-K61 FNR-K621 FNR-K681 FNR-K71 FNR-K781 FNR-K821 FNR-K911 FNR-K2 FNR-K112 AC DC (W) VmA Vc IP (A) (A) (J) (PF) K SERIES SPECIFIATION 11 17 30 3 7 9 11 130 0 1 17 2 230 2 27 318 3 38 4 4 48 6 680 18 22 26 31 38 4 6 6 8 1 1 170 180 2 2 27 3 3 38 41 4 61 6 670 74 8 89 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 (90~1) 1(8~132) 1(13~16) 180(162~198) (180~2) 2(198~242) 2(216~264) 270(243~297) (270~330) 330(297~363) 3(324~396) 390(31~429) 430(387~473) 470(423~17) (49~61) (4~616) 6(8~682) 680(612~748) 7(67~8) 780(702~88) 8(738~902) 9(819~1) 0(900~1) 1(990~12) 36 43 3 6 77 93 1 13 13 16 2 3 3 39 4 0 9 6 7 77 8 9 11 12 1290 13 16 181 0 0 0 0 0 0 0 0 2.1 2. 3.0 4.0 4.6. 7.0 8.2 8.4.0.0 23.0 2 30.0 32.0.0 3.0 39.0 32.0 2.0 8.0 8.0 8.0 8.0 8.0.0 7 78.0 84.0 9 70 00 0 0 20 2 1800 1 1800 1 1 900 700 0 4 3 3 3 270 2 230 180 130 130 1 1 1 90 80 Maximun operating Maximun clamping Energy 2ms ( (1k Hz) Capacitance (Reference Part Number Rated Wattage Varistor Withstanding Surge Current (8/ S ) 18(16.2~19.8) 22(19.8~24.2) 27(24.3~29.7) 33(29.7~36.3) 39(3.1~42.9) 47(42.3~1.7) 6(.4~61.6) 68(61.2~74.8) 82(73.8~90.2) 1 Time
K Series V-I Curve Impluse Lifetime Ratings Surge Current (A) Current() Impulse width( s) Surge Current (A) Current() Impulse width ( s) Surge Current (A) Current() Impulse width ( s)
FNR-K180 FNR-K2 FNR-K270 FNR-K330 FNR-K390 FNR-K470 FNR-K FNR-K680 FNR-K8 FNR-K1 FNR-K121 FNR-K11 FNR-K181 FNR-K1 FNR-K221 FNR-K241 FNR-K271 FNR-K301 FNR-K331 FNR-K361 FNR-K391 FNR-K431 FNR-K471 FNR-K11 FNR-K61 FNR-K621 FNR-K681 FNR-K71 FNR-K781 FNR-K821 FNR-K911 FNR-K2 FNR-K112 FNR-K182 AC DC VmA Vc IP (A) (A) (J) (PF) K SERIES SPECIFIATION 11 17 30 3 7 9 11 130 0 1 17 2 230 2 27 318 3 38 4 4 48 6 680 0 18 22 26 31 38 4 6 6 8 1 1 170 180 2 2 27 3 3 38 41 4 61 6 670 74 8 89 6 (90~1) 1(8~2) 1(13~16) 180(162~198) (180~2) 2(198~242) 2(216~264) 270(243~297) (270~330) 330(297~363) 3(324~396) 390(31~429) 430(387~473) 470(423~17) (49~61) (4~616) 6(8~682) 680(612~748) 7(67~8) 780(702~88) 8(738~903 9(819~1) 0(900~1) 1(990~12) 1800(16~1980) 36 43 3 6 77 93 1 13 13 16 2 3 3 39 4 0 9 6 7 77 8 9 11 12 1290 13 16 181 2970 0 0 0 0 0 0 0 0 4.0.0 7. 8.6.0 1.0 18.0 2 32.0 39.0 4.0 2.0 2.0 7 78.0 84.0 9 97.0 4.0 4.0 4.0 117.0 130.0 13 3.0 1 169.0 182.0 312.0 18000 0 00 70 0 3 2900 2 1900 12 0 0 900 7 6 6 0 4 4 380 34 2 2 230 230 180 1 1 (W) Maximun operating Maximun clamping Energy 2ms ( (1K Hz) Capacitance (Reference Part Number Rated Wattage Varistor Withstanding Surge Current (8/ S ) 18(16.2~19.8) 22(19.8~24.2) 27(24.3~29.7) 33(29.7~36.3) 39(3.1~42.9) 47(42.3~1.7) 6(.4~61.6) 68(61.2~74.8) 82(73.8~90.2) 1 Time
K Series V-I Curve Impluse Lifetime Ratings FNR-K680 FNR-K FNR-K470 FNR-K390 FNR-K330 FNR-K270 FNR-K2 FNR-K180 Surge Current (A) Current() Impulse width ( s) Surge Current (A) Current( ) Impulse width ( s)
FNR-K180 FNR-K2 FNR-K270 FNR-K330 FNR-K390 FNR-K470 FNR-K FNR-K680 FNR-K8 FNR-K1 FNR-K121 FNR-K11 FNR-K181 FNR-K1 FNR-K221 FNR-K241 FNR-K271 FNR-K301 FNR-K331 FNR-K361 FNR-K391 FNR-K431 FNR-K471 FNR-K11 FNR-K61 FNR-K621 FNR-K681 FNR-K71 FNR-K781 FNR-K821 FNR-K911 FNR-K2 FNR-K112 FNR-K182 AC DC (W) VmA Vc IP (A) (A) (J) (PF) K SERIES SPECIFIATION 11 17 30 3 7 9 11 130 0 1 17 2 230 2 27 318 3 38 4 4 48 6 680 0 18 22 26 31 38 4 6 6 8 1 1 170 180 2 2 27 3 3 38 41 4 61 6 670 74 8 89 6 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 36 43 3 6 77 93 1 13 13 16 2 3 3 39 4 0 9 6 7 77 8 9 11 12 1290 13 16 181 2970 0 0 0 0 0 0 0 0 1 13.0.0 24.0 30.0 3.0.0 27.0 33.0 2.0 78.0 9 97.0.0 117.0 13 13 1 169.0 182.0 19.0 19.0 19.0 19.0 8.0 227.0 234.0 247.0 280.0 299.0 3.0.0 18000 00 00 17000 0 10 7000 0 4800 3800 0 0 0 1800 10 1 1 1 0 900 900 800 700 0 4 4 4 3 3 (90~1) 1(8~2) 1(13~16) 180(162~198) (180~2) 2(198~242) 2(216~264) 270(243~297) (270~330) 330(297~363) 3(324~396) 390(31~429) 430(387~473) 470(423~17) (49~61) (4~616) 6(8~682) 680(612~748) 7(67~8) 780(702~88) 8(738~903 9(819~1) 0(900~1) 1(990~12) 1800(16~1980) Maximun operating Maximun clamping Energy 2ms ( (1K Hz) Capacitance (Reference Part Number Rated Wattage Varistor Withstanding Surge Current (8/ S ) 18(16.2~19.8) 22(19.8~24.2) 27(24.3~29.7) 33(29.7~36.3) 39(3.1~42.9) 47(42.3~1.7) 6(.4~61.6) 68(61.2~74.8) 82(73.8~90.2) 1 Time
K Series V-I Curve Impluse Lifetime Ratings Surge Current (A) Current() Impulse width ( s) Surge Current (A) Current( ) Impulse width ( s) Surge Current (A) Current( ) Impulse width( s)
( ) HOW TO SELECT A VARISTOR(ONLY REFERENCE) A: V =a v/b c 1mA a 1.2 v b 0.8 c 0.9 A:Varistor voltage Varistor should be more than the operating voltage in over protective circuit,the formula is shown as the following. V =a v/b c 1mA a-power ripple coefficient usually 1.2 v-dc (significant value only AC power) b-tolerance usually take 0.8 c-ageing coefficient usually take 0.9 B: % B:Withstanding surge current In general, withstanding surge current is max, Pulse current value which determined by test conditions such as wave- shape,amplitude and intermal time, when the amplitude decrease to % of the initial, it should be increased to 2 times of the initial in order to keep the life longer, the surge current which is sbsorbed by the varistor should be less than max. withstanding surge current
APPLICATIONS MODEL MODEL MODEL MODEL MODEL NUMBER NUMBER NUMBER NUMBER NUMBER Recommended mm 7mm mm mm mm Applications FNR-0 K180 FNR-0 K2 FNR -0 K270 FNR -0 K330 FNR -0 K390 FNR- 07 K180 FNR -07 K2 FNR -07 K270 FNR -07 K330 FNR -07 K390 FNR- K180 FNR - K2 FNR - K270 FNR - K330 FNR - K390 FNR- K180 FNR - K2 FNR - K270 FNR - K330 FNR - K390 FNR - K180 FNR - K2 FNR - K270 FNR - K330 FNR - K390 Protection of various kinds of semiconductors Protection of automobile equipment Absorption of switching surge from various kinds o f relays and electro-magnetic valves (DC below 48V) Protection of electronic equipment from electrostatic discharge FNR -0 K470 FNR -07 K470 FNR - K470 FNR - K470 FNR - K470 FNR -0 K FNR -07 K FNR - K FNR - K FNR - K DC 48V FNR -0 K680 FNR -07 K680 FNR - K680 FNR - K680 FNR - K680 FNR -0 K8 FNR -0 K1 FNR -07 K8 FNR -07 K1 FNR - K8 FNR - K1 FNR - K8 FNR - K1 FNR - K8 FNR - K1 Telephone. Communication line (DC 48V) : DC48V FNR -0K121 FNR -07 K121 FNR - K121 FNR - K121 FNR - K121 FNR -0 K11 FNR -07 K11 FNR - K11 FNR - K11 FNR - K11 FNR -0 K181 FNR -07 K181 FNR - K181 FNR - K181 FNR - K181 AC V Line-Line Applications (Japan) FNR -0 K1 FNR -07 K1 FNR - K1 FNR - K1 FNR - K1 FNR -0 K221 FNR -07 K221 FNR - K221 FNR - K221 FNR - K221 FNR -0 K241 FNR -0 K271 FNR -07 K241 FNR -07 K271 FNR - K241 FNR - K271 FNR - K241 FNR - K271 FNR - K241 FNR - K271 AC V to 1V, Line-Line Applications (Japan.,u.s.,Canada) AC V 1V FNR -0 K301 FNR -07 K301 FNR - K301 FNR - K301 FNR - K301 FNR -0 K331 FNR -0 K361 FNR -07 K331 FNR -07 K361 FNR - K331 FNR - K361 FNR - K331 FNR - K361 FNR - K331 FNR - K361 Telephone Line Application (2V Insulation Resistance Test Applicable) FNR -0 K391 FNR -07 K391 FNR K391 FNR - K391 FNR - K391
MODEL MODEL MODEL MODEL MODEL NUMBER NUMBER NUMBER NUMBER NUMBER Recommended mm 7mm mm mm mm Applications FNR-0 K431 FNR -0 K471 FNR-07 K431 FNR-07 K471 FNR- K431 FNR- K471 FNR- K431 FNR- K471 FNR- K431 FNR- K471 AC-2V Line-Line Applications ACV to 2V. Line-Ground Applications Ac-2 Ac to 2 FNR-0 K61 FNR-07 K61 FNR-07 K621 FNR-07 K681 FNR- K61 FNR- K621 FNR- K681 FNR- K61 FNR- K621 FNR- K681 FNR- K61 FNR- K621 FNR- K681 AC 2V Line-Line Applications U.K., Australia, Middle East Countries AC 2V FNR- K71 FNR- K781 FNR- K71 FNR- K781 FNR- K71 FNR- K781 AC 380V, Line-Line Ground Applications AC 380V FNR- K821 FNR- K821 FNR- K821 FNR- K911 FNR- K911 FNR- K911 AC 41V, Line-Line line-ground Applications AC 41V FNR- K2 FNR- K112 FNR-1 4 K2 FNR- K112 FNR- K2 FNR- K112 AC 480V, Line-Line Ground Applications AC 480V FNR- K182 FNR- K182 Line Ground Applications ( For AC 1V Withst anding Test ) AC 1V (SELECT OF FUSE in conformity to FNR Varistor) If conform with diameter): Part Number FNR0K series FNR07K series FNRK series FNRK series FNRK series Fuse rating 1 To 2 A 2 to 3A 3 to A 3 to A to 1A If conform with Max Peak current): Max. Peak Current8/ S 1 time (A) Up to 0 01 to 0 1 to 00 Fuse rating 3A A A
ELECTRICAL PERFORMANCE TEST : ~3 :4%~8% Standardl Test Conditions:Tempreture: ~3,humidity:4%~8% Item Test method Performance Varistor In DC 1mA (only products voltage at DC ma) would be setted to varistor`s voltage in %. % Tolerance: % Leakage current Please see standard Clamping The max voltage between two terminals with the specified standard impulse current. Please see standard Max peak current 8/ S % Use 8/ S wave form,according to following current no damage after shock one times in single direction every five minutes,voltage change percentage % Varistor changed percentage % energy No camage after shock with 2ms square wave, Varistor voltage changed percentage % Varistor changed percentage % Temperature coefficient of varistor Varistor changed percentage on Specified temperature. 0.0% Capacitance 1KHz, 1V Condition:1KHz,1V Bear of voltage Condition:VAC The distance of leads terminal and crust is 1 min. Request: No break out and damage; No hit into product and flying arc.
(Machine characteristic test) N S Lead terminal tensilestrength Condition: Pull:N; 1S Request:No break out and damage Bend:N; 90, two times Solder ability T=23 t= 0.S Condition:Test Tb,Method 1; Request:Solder Solder in trough method T=23 t= 0.S Thesignof melted-resistant solvent Condition:Mixture with 70% 1.1.2 three chlorin, 1.2.2 fluorinethane and 30% cymene-alcohol; room temperature, dip min;clean times on positive and negative direction with absorbent cotton, total times;cleaning speed: 2 times/s -% V/V % Request:Clear Sign. -% V/V % Solder ability Condition:2 1S -% V/V % IL A Request:No break out and damage -% V/V % IL A Hz~Hz~Hz Vibration Condition:sine wave; Hz~Hz~Hz Scaning time once:1 min Whole view picture:1.mm 3 direction, total 6h. -% V/V % Request:No break out and damage -% V/V % -% V/V % 2 Impact Condition:390m/S 6ms 3 Direction, total 0 times. Request:No break out and damage -% V/V %
-% V/V % Temp cycle test Request:No break out and damage -% V/V % -% V/V % Heat burthen ~ Condition:8 Inflicted voltage:vdc Burthen quomodo:continuous; Circular measure time:0h Total testing time:0h Measure after coming back in 1h~2h. Request:No break out and damage andsignisclear; -% V/V % Stockpile in high temperature Circular measure time:0h Total testing time:0h Measure after coming back in 1h~2h. -% V/V % Request:No break out and damage -% V/V % Weather oder Condition: Dry and heat:8 2 16h Low temperature - 3 2h -% V/V % Request:No break out and damage -% V/V % Circular wet and heat:db,a cycle,24h, level; Steady state hot and damp 4 samples not with voltage, and other 4 samples with percent of maximal continuous voltage Strict degree:96h Request:No break out and damage. Limited voltage changed rate +% Varistor voltage changed rete %