NKNP1/2W 1W 2W 3W 5W 2% 无感绕线电阻

項目

item

規格值

performance

試驗方法(依據jis c 5202)

test methods (conform to jis c 5202)

溫度係數

temperature coefficient

±300ppm/℃以內。

within±300ppm/℃

5.2項參照  comply with 5.2

r0:室溫(t0)所測量之電阻值。

r1:室溫+100℃(t1)後所測量之電阻值。

r0: resistance value at room temp. (t0).

r1: resistance value at room temp. plus 100℃(t1).

短時間過負荷

short time overload

±(2%+0.05ω)以內。

不得有機械的損傷。

within±(2%+0.05ω)

no evidence of mechanical damage.

5.5項參照  comply with 5.5

額定電力的10倍, 5秒。

10 times of rated wattage for 5 seconds

絕緣抵抗

insulation resistance

1,000mω以上。

1,000mωor more

5.6項參照  comply with 5.6

置於v型槽方法。

施加直流電壓500v 60秒。

v-block method

resistor shall be tested at dc 500v for 60 seconds.

耐電壓

dielectric withstanding voltage

無電弧放電、燒損及絕緣破壞等異狀。

no evidence of flashover mechanical damage, arcing or insulation breakdown.

5.7項參照  comply with 5.7

常壓,置於v型槽方法。

施加個別規定之交流電壓60秒。(見表-1)

constant pressure, v-block method

resistor shall be tested at ac potential respectively for 60 seconds.(see table-1)

斷續過負荷

pulse overload

±(2%+0.05ω)以內。

within±(2%+0.05ω)

5.8項參照  comply with 5.8

額定電壓x 4倍, 10000回(1秒on, 25秒off)。

rated voltage x 4 times, 10000 cyc.(1s on, 25s off)

端子強度

terminal strength

端子不得斷裂及鬆弛。

no evidence of mechanical damage.

6.1項參照  comply with 6.1

引張強度：25n(2.5kgf),保持10秒。

tensile strength: 25n(2.5kgf), for 10 seconds.

扭轉強度：360°交互迴轉5回。

torsional strength: rotated through 360°, 5 rotations.

項目

item

規格值

performance

試驗方法(依據jis c 5202)

test methods (conform to jis c 5202)

焊錫耐熱性

resistance to soldering heat

±(2%+0.05ω)以內。

不得有機械的損傷。

within±(2%+0.05ω)

no evidence of mechanical damage.

6.4項參照  comply with 6.4

350±10℃, 3+0.5/-0秒,試驗後放置3小時。

350±10℃, 3+0.5/-0s

after test leave for 3h.

焊錫附著性

solderability

導線至少95%以上新錫覆蓋。

covered with new solder by 95% at least.

6.5項參照  comply with 6.5

焊錫溫度：235±5℃。

浸錫時間：5±0.5秒。

test temperature of solder: 235±5℃

dipping time in solder:5±0.5s

耐溶劑性

resistance to solvent

塗裝及色碼不得脫落。

no deterioration of protective coating and markings.

6.9項參照  comply with 6.9

放入異丙醇溶劑之超音波機內，保持3分鐘。

specimens shall be immersed in a bath of isopropyl alcohol completely for 3 minutes with ultrasonic.

溫度循環

temperature cycle

±(2%+0.05ω)以內。

不得有機械的損傷。

within±(2%+0.05ω)

no evidence of mechanical damage.

7.4項參照  comply with 7.4

低溫側：-55℃/30分,室溫：10～15分鐘

高溫側：+85℃/30分,室溫：10～15分鐘

5回

low side：-55℃/30min, room temp.：10 to 15min

high side：85℃/30min, room temp.：10 to 15min

5 cycles

耐濕負荷壽命

load life in humidity

±(5%+0.05ω)以內。

within±(5%+0.05ω)

7.9項參照  comply with 7.9

40±2℃,濕度90～95%, 1000小時

定格電壓(90分鐘on, 30分鐘off)

40±2℃, 90 to 95%rh, 1000h

rated voltage (90 min on, 30 min off)

負荷壽命

load life

±(5%+0.05ω)以內。

within±(5%+0.05ω)

7.10項參照  comply with 7.10

70±3℃,1000小時

定格電壓(90分鐘on, 30分鐘off)

70±3℃,1000h

rated voltage (90 min on, 30 min off)

不燃性

incombustibility

沒有出現火炎。

no evidence of flame.

7.12項參照  comply with 7.12

16倍額定電力，5分鐘。

16 times of rated wattage for 5 min.