|
特性项目
CHARACTERISTICS
|
规格值
SPECIFICATIONS
|
测试方法
TESTMETHODS
|
|
直流电阻值
DC RESISTANCE
JIS-C-5202 5.1
|
±5% （J级）
±2%（ G级）、±10% （K级）
|
温室25℃
TA 25℃
|
|
温度特性
TEMPEPATURE
COEFFICIENT
JIS-C-5202 5.2
|
R≥10Ω ±300PPM/℃
10Ω＞R＞5Ω ±500PPM/℃
R＜5Ω 不规定
|
R2-R1 1/℃
R1（T2-T1）
R1：常温（T1）阻抗值
RESISTANCE VALUE AT ROOM
TEMPERATURE（T1）
R2：常温+100℃（T2）阻抗值
RESISTANCE VALUE AT ROOM
TEMPERATURE+100℃（T2）
|
|
绝缘电压
DIELECTRIC
WITHSTANDING
VOLTAGE
JIS-C-5202 5.7
|
涂装不可烧损，绝缘不可破坏
NO EVIDENCE OF FLASHOVER
MECHANICAL AMAGE，ARCING
OF INSULATION BREAKDOWN
|
电阻两端导线置于金属V型槽上，依特性表之电压规定加60秒
RESISTORS SHALL BE CLAMPED IN THE
TROUGH OF A90°METALLIC V-BLOCK
AND SHALL BE TESTED AT SPECIFIED IN
THE ABOVE LIST FOR 60 SECONDS
|
|
绝缘阻抗
INSULATION
RESISTANCE
JIS-C-5202 5.6
|
1000MΩ MIN
|
以DC500V测试待测体于V型槽上之导线及其表面涂装印加60秒
WITHSTANDING TEST AND SHALL BE
MEASURED AT DC 500V.RESISTOR SHALL
BN PREPARED AC SAME METHOD OF DIELECTRIC
|
|
热冲击
THERMAL SHOCK
|
ΔR≤±（2%RO+0.1Ω）
|
额定电压印加30分钟后，于8-12秒以内置于-30±℃之温度30分钟
AFTER APPLICATION OF RATED POWERR
FOR 30MINUTES，30MINUTES EXPOSURE TO
-30±5℃ AMBIENT TEMPERATURE
|
|
耐湿性
H***DITY
JIS-C-5202 7.5
|
ΔR≤±（2%RO+0.1Ω）
|
温度40±2℃，相对湿度90-95%与恒温恒湿箱中不加电压，连续放置1000小时
TEMPERATURE RESISTANCE CHANGE AFTER
A 1000HOURS EXPOSURE IN AH***DITY
TEST CHAMBER CON-TROLLED AT 40±2℃
AND 90-95%RELATIVE H***DITY
|
|
短时过负荷
SHORT IMET
OVERLOAD
|
ΔR≤±（2%RO+0.1Ω）
|
额定功率×10倍，5秒
POWER RATED×10TIMES，5S
|
|
湿度寿命
TEMPERATURE
COEFFICIENT JIS-C-5202 5.2
|
ΔR≤±（5%RO+0.1Ω）
|
温度40±2℃，相对湿度90-95%与恒温箱中,加额定直流电压测试1.5小时，停止0.5小时连续放置1000小时
|
|
温室寿命
LOAD LIFE
JIS-C-5202 7.10
|
ΔR≤±（5%RO+0.1Ω）
|
PERMANENT RESISTANCE CHANGE AFTER
1000HOURS OPERATING AT RCWV,WITH DUTY
CYCLE OF 1.5HOURS ON,0.5HOURS OFF AT 25℃±2℃.
|
|
耐热性
RESISTANCE TO
SOLDERING HEAT
JIS-C-5202 6.4
|
ΔR≤±（1%RO+0.05Ω）
|
将电阻两端导线浸入锡炉约3.2到4.8MM
依下表规定实施
DIP THE LEADS OF THE RESISTOR INTO
SN STOVE THE DEPTH IS 3.2～4.8MM,THE
TEMPERATURE AND THE TIME AS THE TABLE
TEMPERATURE DIP TIME
350℃±10℃ 3.0±0.5 SEC
260℃±5℃ 10±1 SEC
|
|
焊锡性
SOLDERABILITY
JIS-C-5202 6.5
|
焊锡覆盖面积95%以上
95%COVERAGE MIN.
|
锡炉温度:260±5℃
浸炉时间:10±0.5 SEC
TEST TEMPERATURE OF SOLDER: 260±5℃
DWELL TIME IN SOLDER:10±0.5SEC
|
|
不燃性
NONINFLAMMAB-
ILITY
|
不可燃烧(无明火产生)
NONINFLAMMAB
|
分别按5.10.16倍额定功率加交流负荷5分钟
LOAD 5MIN ACCORDING TO 5 TIME 10 TIME
16 TIME POWER RATED AND A.C
|
