metal oxide varistors tnr cat. no. e1006k ? features @ newly developed non-flammable material (harogen free) is used for outer coating. @ the new outer coating will meet ul flammability test. @ at the over voltage test, the new material shall deter burning caused by the high temperature, arc and the large surge current when tnr shall blow up. @ general specifications are same as that of v series, large surge capability tnr. ? applications @ protection for semiconductors from over voltage. @ protection for electronic instruments from lightning surge. @ absorption of on-off surge from motors and relays. ? part numbering system when the surge energy much higher than the rated maximum energy is applied to the varistors, it may blow up and catch fire. our newly developed tnr se series is to prevent from being caught fire even very high surge energy is applied. thus electric appliance using our tnr se series can be much safer. operating temperature range: -40 k +85 c storage temperature range: -50 k +125 c tnr se design code tolerance of varistor voltage k : p 10% varistor voltage (example. 221=220v(=22 b 10 1 ) series name size code 10 : f 10mm element diameter 14 : f 14mm element diameter 20 : f 20mm element diameter metal oxide varistor "tnr" (1/5)
metal oxide varistors tnr cat. no. e1006k ? ratings and characteristics ? dimensions [mm] model number (v) (w) (a) (v) 2msec. (j) 8/20 m sec. (a) maximum peak current maximum energy rated wattage maximum clamping voltage capacitance typical varistor voltage v1ma maximum allowable voltage dc. (v) ac. (vrms) (pf) TNR10SE221K tnr10se241k tnr10se271k tnr10se431k tnr10se471k tnr10se621k tnr14se221k tnr14se241k tnr14se271k tnr14se431k tnr14se471k tnr14se621k tnr20se221k tnr20se241k tnr20se271k tnr20se431k tnr20se471k tnr20se621k 140 150 175 275 300 385 140 150 175 275 300 385 140 150 175 275 300 385 180 200 225 350 385 505 180 200 225 350 385 505 180 200 225 350 385 505 3,500/1 time 2,500/2 times 6,000/1 time 5,000/2 times 5,000/1 time 4,500/2 times 10,000/1 time 7,000/2 times 7,500/1 time 6,500/2 times 27.5 30.0 35.0 55.0 60.0 67.0 55.0 60.0 70.0 110.0 125.0 136.0 110.0 120.0 135.0 215.0 250.0 273.0 0.4 0.6 1.0 25 50 100 360 395 455 710 775 1,025 360 395 455 710 775 1,025 360 395 455 710 775 1,025 220 (198 k 242) 240 (216 k 264) 270 (247 k 303) 430 (387 k 473) 470 (423 k 517) 620 (558 k 682) 220 (198 k 242) 240 (216 k 264) 270 (247 k 303) 430 (387 k 473) 470 (423 k 517) 620 (558 k 682) 220 (198 k 242) 240 (216 k 264) 270 (247 k 303) 430 (387 k 473) 470 (423 k 517) 620 (558 k 682) 450 400 350 240 220 180 850 800 700 460 420 330 2,500 2,300 2,000 1,300 1,200 900 d t e h l w f d model number d max. h max. t max. l min. f d p 0.05 w p 1.0 TNR10SE221K tnr10se241k tnr10se271k tnr10se431k tnr10se471k tnr10se621k tnr14se221k tnr14se241k tnr14se271k tnr14se431k tnr14se471k tnr14se621k tnr20se221k tnr20se241k tnr20se271k tnr20se431k tnr20se471k tnr20se621k 13.0 14.0 17.5 18.5 22.5 24.5 17.5 18.5 22.0 24.0 27.5 29.5 6.9 8.2 11.5 6.9 8.2 11.5 7.4 8.7 12.0 20 20 20 0.8 0.8 0.8 7.5 7.5 10.0 e p 1.0 2.0 2.1 2.3 3.1 3.3 4.2 2.0 2.1 2.3 3.1 3.3 4.2 2.2 2.3 2.5 3.3 3.5 4.4 (2/5)
metal oxide varistors tnr cat. no. e1006k ? v-i curve v-i characteristics is same as that of v series. please see v-i curve of v series. cross reference table tnr se series tnr v series TNR10SE221K tnr10se241k tnr10se271k tnr10se431k tnr10se471k tnr10se621k tnr14se221k tnr14se241k tnr14se271k tnr14se431k tnr14se471k tnr14se621k tnr20se221k tnr20se241k tnr20se271k tnr20se431k tnr20se471k tnr20se621k tnr10v221k tnr10v241k tnr10v271k tnr10v431k tnr10v471k tnr10v621k tnr14v221k tnr14v241k tnr14v271k tnr14v431k tnr14v471k tnr14v621k tnr20v221k tnr20v241k tnr20v271k tnr20v431k tnr20v471k tnr20v621k (3/5)
metal oxide varistors tnr cat. no. e1006k ? general specifications ? reliability characteristics test conditions specifications item standard test condition varistor voltage maximum allowable voltage maximum peak surge current energy rating rated wattage maximum clamping voltage capacitance voltage temparature coefficient insulation 20 p 5 c , 65 p 20% rh unless specified. however, if it does not affect test result, the condition can be 20 p 15 c , 65 p 20% rh also. the voltage between the two terminals measured at 1ma dc is called varistor voltage. the measurement shall be made as fast as possible to aviod heat effection. maximum continuous ac voltage (50 k 60hz ac) and maximum dc voltage which can be applided. maximum surge current (8/20 m sec. pulse wave to be applied once, or twice, 2 minute apart) for varistor voltage change within p 10% of the initial value. maximun energy (2msec. square wave to be applied once) for varistor voltage change within p 10% of the initial value. maximum power (50 k 60hz ac power to be applied for 1,000 hours at 85 p 2 c ) for varistor voltage change within p 10% of the initial value. maximum voltage across varistor when 8/20 m sec. rated current surge is applied. varistor's capacitance at 1khz, standard test condition. v1ma : actual varistor voltage short circuit the two leads of varistor, and put the varistor body into lead balls (1.6mm diameter) leaving 2mm epoxy coating outside. then, apply 2.5kvrms between the leads and the lead balls for 60 p 5 seconds. satisfy the specification satisfy the specification satisfy the specification satisfy the specification satisfy the specification satisfy the specification for reference only. within p 0.05%/ c the varistor shall withstand with no abnormality. v1ma at 85 c v1ma at 25 c 1 v1ma at 25 c 60 b 100 (%/ c ) b test conditions specifications item heat cycle high temperature exposure humidity resistivity high temperature operation subject varistor to the following tempmrature cycles. -40 c for 30 minutes normal room temperature for 10 minutes 85 c for 30 minutes normal room temperature for 10 minutes. this completes one cycle. the cycle shall be repeated 50 times total. after the cycles, the varistor shall be stored at normal room temperature for one hour. then check the varistor voltage and the appearance. store varistor at 125 c for 1,000 hours. after that, store the varistor at normal room temperature for one hour. then check the varistor voltage. store at 40c, 90 k 95% rh for 1,000 hours. after that, store the varistor at normal room temperature for one hour. then cheek the varistor voltage. apply maximum applied voltage to varistor at 85 c for 1,000 hours. after that, store the varistor at normal room temperature for one hour. then check the varistor voltage. d v1ma [p 5% no appearance abnormality. d v1ma [p 5% d v1ma [p 5% d v1ma [p 10% operating temperature range: -40 k +85 c storage temperature range: -50 k +125 c (4/5)
metal oxide varistors tnr cat. no. e1006k ? mechanical characteristics test conditions specifications item soldering heat resistivity solderability lead pull strength lead bend strength vibration resistivity flammability test store varistor at normal room temperature. dip the varistor leads to solder, at 350 p 10 c for 3 p seconds, up to 2.0 k 2.5 mm from the varistor body. after that, store the varistor at normal room temperature for 30 miniutes, and measure the varistor voltage. dip varistor leads to methanol solutin (jis k 1501, about 25%) of rosin (jis z 5902) for 5 k 10 seconds. then, dip the lead to solder (jis z 3282 h60a or h63a) at 225 k 240 c , up to 2.0 k 2.5mm from the varistor body for 5 p 0.5 seconds. then, check the solderability. fix varistor body, and suspend specified weight toward direction of lead axis. the varistor shall be secured with its terminal kept vertical and the force specified below shall be applied in the axial direction. the terminal shall gradually be bend by 90 in one direction then back to original position. the damage of the terminal shall be visually examined. mount varistor body on vibrator, and conduct follwing vibration test. peak-to-peak amplitude : 1.5mm vibration frequency range : 10hz k 55hz sweeping time: approximately one minute for 10hz 55hz 10hz direction and duration of vibration : three directions of x, y and z. two hours each. six hours total. the varistor shall be subjected to 60 second applications of test flame. burner : bunsen gas burner 9000kcal / m 3 diameter of flame nozzle : f 9.5 mm position : the specimen shall be fixed horizontal. point of application shall be approximately center of the specimen. d v1ma [p 5% vc : actual varistor voltage no mechanical damages at least, 95% of the surface dipped to solder shall be coverd by new solder. no abnormality such as disconnection. d v1ma [p 5% no remarkable damage as remarkable the inner ceramic element or terminal open. no remarkable appearance abnormality. d v1ma p 5% no catching fire, and no flaming drops. lead diameter f 0.6mm, f 0.8mm force 10 n lead diameter f 0.6mm, f 0.8mm force 2.5 n 1 0 (5/5)
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