KNP/RX21 线绕阻燃涂漆电阻器
KNP/RX21 WIREWOUND NONFLAME RESISTORS
●品名 (PART NUMBER)
依据其种类,分别标明型号、额定功耗、精度、标称阻值和形状。
ACCORDING TO THE TYPES OF RESISTORS,THE POWER RATED, RESISTANCETOLERANCE,RESISTANCEVALCE,SHAPES.
例: KNP/RX21 1W 10Ω ±5%(J 级)
型号 额定功耗 标称阻值 精度
e.g: KNP/RX21 1W 10Ω ±5%(J 级)
TYPE RATED POWER RESISTANCE TOLERANCE
●使用环境温度:-55℃~+125℃
Operating ambient temperature-55℃~+125℃
●FEATURES ● 特性
◎ Super heat dissipation,small linear ◎ 耐热性优,电阻温度系数TCR
temperature coefficient. 小,呈直线变化
◎ Instant overload capability,low noise ◎ 短时间超负载,低噪音,阻值
wifhout annual shift on nesistance unlue 精度无变化
◎ Flameproof,light weight paint Color ◎ 不燃性,重量轻,涂漆颜色为
Of Fwhite Noncombustible 灰白色,不燃性面漆
● KNP/RX21 线绕阻燃涂漆电阻器结构图
● KNP/RX21 WIREWOUND NONFLAME RESISTORS CONSTRUCTION
KNP/RX21 线绕阻燃涂漆电阻器
KNP/RX21 WIREWOUND NONFLAME RESISTORS
●外形尺寸 DIMENSIONS
型号
Type 电阻尺寸mm
(Resistor dimension Max) 阻值范围
Resistance Range 绝缘电压
(直流或交流峰值)
Insulation
Voltage(DcorAC
peakvalue)
ΦD±0.5 L±1.5 I±2 Φd±0.05 KNP / RX21
KNP-1/2W 3.5 9.5 25 0.55 0.1~300Ω 350V
KNP-1W 5 13 25 0.65 0.1~470Ω
KNP-2W 5.5 16 25 0.75 0.1~1KΩ
KNP-3 7.5 19 22 0.75 0.1~1.5KΩ 550V
KNP-5W 9.5 25 22 0.75 0.1~4.7KΩ
●降功耗曲线
WIREWOUND RESISTORS POWER DERATING CURVE
KNP/RX21 线绕阻燃涂漆电阻器
KNP/RX21 WIREWOUND NONFLAME RESISTORS
● 性能 CHARACTERISTICS
项目CHARACTERISTCS 规格值SPECIFCATIONS 测试方法TEST METHODS
JIS5202
电阻温度系数(TCR 或αr)RESISTORS
TEMPERATURECOEFFICIENT R≥10Ω ±300PPM/℃
10Ω>R>5Ω ±500PPM/℃
R<5Ω 不规定 5.2 条件B
短时过负荷
SHORT TIME OVERLOAD ΔR≤±2%RO+0.005Ω 额定功率×10 倍,5 秒钟POWER RATED×10TIMES,5S
焊接耐热性
RESISTANCETOSOLDERING HEAT ΔR≤±1%RO+0.005Ω 6.4
耐湿负荷寿命
LOAD LIFE IN HUMIDITY ΔR≤±5%RO+0.1Ω 7.9
耐温负荷寿命
LOAD LIFE ΔR≤±5%RO+0.1Ω 7.10
不燃性
NONINFLAMMABILITY 不可燃烧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 ANDA.C
● 包装方法 PACKING:
功率 POWER
型号数量 TYPE Q’TY KNP-1/2W
PCS KNP-1W
PCS KNP-2W
PCS KNP-3W
PCS KNP-5W
PCS
B(或P)型
散装
B(P) TYPE 单元包装数(盒)
CELL PACKING QTY 5000 3000 2000 1000 500
整箱数
FULL BOX QTY 50000 30000 20000 10000 5000
T 型(编带)
T BYTE 单元包装数(盒)
CELL PACKING QTY 2000 1000 1000 500 250
整箱数
FULL BOX QTY 20000 10000 10000 5000 2500
KNP/RX21 线绕阻燃涂漆电阻器
KNP/RX21 WIREWOUND NONFLAME RESISTORS
● 性能测试方法:PERFORMANCE TEST METHODS
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 THETROUGH OF A90°METALLIC V-BLOCKAND SHALL BE TESTED AT SPECIFIED INTHE 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 BEMEASURED AT DC 500V.RESISTOR SHALLBN PREPARED AC SAME METHOD OFDIELECTRIC
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 POWERRFOR 30MINUTES,30MINUTES EXPOSURE TO-30±5℃ AMBIENT TEMPERATURE
耐湿性
HUMIDITY
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 AFTERA 1000HOURS EXPOSURE IN AHUMIDITYTEST CHAMBER CON-TROLLED AT 40±2℃AND 90-95%RELATIVE HUMIDITY
KNP/RX21 线绕阻燃涂漆电阻器
KNP/RX21 WIREWOUND NONFLAME RESISTORS
● 性能测试方法:PERFORMANCE TEST METHODS
特性项目
CHARACTERISTICS 规格值
SPECIFICATIONS 测试方法
TEST METHODS
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 AFTER1000HOURS OPERATING AT RCWV,WITH DUTY
CYCLE OF 1.5HOURS ON,0.5HOURS OFF AT25℃±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 INTOSN STOVE THE DEPTH IS 3.2~4.8MM,THETEMPERATURE 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 SECTEST TEMPERATURE OF SOLDER: 260±5℃DWELL TIME IN SOLDER:10±0.5SEC
不燃性
NONINFLAMMABILITY 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 10TIME16 TIME POWER RATED AND |
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