功率電路（大於5瓦） wa specificatio per ● iec 115-1 115-4 features ● flameproof multi-layer coating meets ul-94v-0 ● flameproof feature meets overload test ul-1412 ● color code per mil & eia standards ● special tin plated electrolytic copper lead wire wire wound resisto general specificatio type no. power rating at 70° c max. working voltage max. overload voltage min. resistance max. resistance resistance tolerance standard resistance values temperature coefficient, ppm / ° c wa01s 1w 350v 600v 0.1r 390ω ±2% e-24 ±300 wa01s 1w 350v 600v 0.1r 390ω ±5% e-24 ±300 wa02s 2w 350v 700v 0.1r 449ω ±2% e-24 ±300 wa02s 2w 350v 700v 0.1r 449ω ±5% e-24 ±300 wa03s 3w 350v 700v 0.1r 549ω ±2% e-24 ±300 wa03s 3w 350v 700v 0.1r 549ω ±5% e-24 ±300 wa04s 4w 350v 700v 0.1r 1kω ±2% e-24 ±300 wa04s 4w 350v 700v 0.1r 1kω ±5% e-24 ±300 wa05s 5w 450v 800v 0.1r 1k5ω ±2% e-24 ±300 wa05s 5w 450v 800v 0.1r 1k5ω ±5% e-24 ±300 wa06s 5w 450v 800v 0.1r 1k5ω ±2% e-24 ±300 wa06s 5w 450v 800v 0.1r 1k5ω ±5% e-24 ±300 wa051 1/2w 350v 600v 0.1ω 390ω ±2% e-24 ±100 wa051 1/2w 350v 600v 0.1ω 390ω ±2% e-24 ±300 wa051 1/2w 350v 600v 0.1ω 390ω ±5% e-24 ±100 wa051 1/2w 350v 600v 0.1ω 390ω ±5% e-24 ±300 wa01 1w 350v 600v 0.1ω 449ω ±2% e-24 ±100 wa01 1w 350v 600v 0.1ω 449ω ±2% e-24 ±300 wa01 1w 350v 600v 0.1ω 449ω ±5% e-24 ±100 wa01 1w 350v 600v 0.1ω 449ω ±5% e-24 ±300 wa02 2w 350v 700v 0.1ω 549ω ±2% e-24 ±100 wa02 2w 350v 700v 0.1ω 549ω ±2% e-24 ±300 更多详情请电话：010-62552280 索要规格书 可免费提供样品测试 本产品的功率特性为中功率，标称阻值是390r449r549r1k1k5r，额定功率为1w2w3w4w5w1/2w（w），温度系数为ptc，允许偏差是±2%±5%，品牌为wa系列fitohm，制作工艺为陶瓷绝缘功率型，外形是圆柱