RJM
型精密圆柱状金属膜电阻器
RJM HIGH PRECISION MELF RESISTORS
■构造图
CONSTRUCTION
(mm)
■外½尺寸
■ 产品特点
FEATURES
●SMD 表面贴装
●防½湿多层包装
●½温度系数
●高精度、高稳定度
●可焊性极½的端子
●采用蓝色或绿色涂料包封,色环标志,
编带包装或散装包装
尺寸(size)
RJM73P0102
RJM74P0204
RJM74M0204
RJM75P0207
RJM76M0207
RJM77M0411
RJM78M0617
DIMENSIONS
(mm)
L±0.3
2.2
3.5
3.5
5.7
5.7
8.7
10.7
L1max
1.2
1.7
1.7
3.5
3.5
5.5
6.5
D±0.2
1.1
1.4
1.4
2.2
2.2
3.1
4.1
D1max
1.1
1.5
1.5
2.3
2.3
3.3
4.3
Kmax
0.5
1.0
1.0
2.0
2.0
2.5
3.0
■降功率曲线
●SMDstructure
●Conformalmulti-layercoatingmoistureproof
●LowTCR
●Highprecision,high stability
●Excellent solderabiliytermination
●Blue or green flame-retardantcoating
ColourCodeTapingReelorBulk
■ 应用范围 APPLICATIONS
● 适用于电子仪器和仪表,设备,½电、空调、
音响等电器
●电子衡器
● Electricinstruments,equipments,TV,
audio,air-conditioningandother
electricalequipment
●Electronicweighingapparatus
DERATING CURVE
■焊盘尺寸
PADSIZE
TYPE
RJM74P0102
RJM74P0204
RJM74M0204
RJM75P0207
RJM76M0207
RJM77M0411
RJM78M0617
RECOMMENDED SOLDER PAD DIMENSIONS
■ 执行标准 REFERENCESTANDARDS
GB/T5729-2003
SJ/T 10571-1994
SJ/T 10572-1994
SJ/T 10573-1994
SJ/T 10574-1994
C (mm)
1.2
1.6
1.6
3.1
3.1
5.1
6.1
A (mm)
1.3
1.3
1.3
1.8
1.8
2.5
3.2
B (mm)
1.7
1.7
1.7
2.5
2.5
3.5
4.5
M (mm)
3.0
4.2
4.2
6.8
6.8
9.5
11.9
RJM
型精密圆柱状金属膜电阻器
RJM HIGH PRECISION MELF RESISTORS
■ 技术参数 TECHNICALSPECIFICATIONS
型号
Type
额 定 功 最大工½电 绝缘电压
率 (W)
Power
Rating
阻值范围
Resistance
Range(Ω)
电阻温度系
数
(+25~85℃)
TCR(ppm/℃
)
精度
额定功率
PowerRating
Ambient
Temperature
½用温度范围
Operating
Temperature
压Max
Working
Voltage(V)
Insulate
Voltage(V)
Tolerances 环境温度
RJM73P0102
0.2
0.25
0.4
0.5
1
2
3
150
250
250
300
350
400
500
200
350
350
500
500
500
500
0.22~1M
0.1~2M
0.1~2M
0.1~22M
0.1~22M
0.1~22M
0.1~22M
RJM74P0204
±5
±10
±15
±25
±50
±100
RJM74M0204
±0.05%
±0.1%
±0.25%
±0.5%
±1%
±5%
-55~70℃
-55~125℃
RJM75P0207
RJM76M0207
RJM77M0411
RJM78M0617
■ 性½指标 PERFORMANCE
试验项目 Test ltem
可焊性 Soldeability
短时过½½ Shorttimeoverload
温度冲击Thermal shock
耐焊接热 Leaching
耐湿Resistance to moisture
70℃耐久性Endurance at 70℃
性½要求 Specifications
≥95%
△R≤±(0.5%R+0.05Ω)
△R≤±(0.5%R+0.05Ω)
△R≤±(0.5%R+0.05Ω)
△R≤±(0.5%R+0.05Ω)
△R≤±(1%R+0.1Ω)
试验变化 Test method
235±5℃
2.5V
R
,
2±0.5s
5s
-65~150℃,5cycles
260±10℃, 10±1s
-10~65℃, RH>90%, 240H
70±2℃, P
R
1000H
■ 订货示例 How To Order
例如Example
RJM74P0204
B
精度
Tolerance
7
T
包装方式
Pakaging
1001
标称阻值
Nominal Value
产品型号
Type
温度系数
TCR
RJM73P0102
RJM74P0204
RJM74M0204
RJM75P0207
RJM76M0207
RJM77M0411
RJM78M0617
W:±0.05%
B:±0.1%
C:±0.25%
D:±0.5%
F:±1%
J:±5%
7:±5ppm
6:±10ppm
5:±15ppm
3:±25ppm
2:±50ppm
1:±100ppm
塑料袋plastic
bags
编带tape
1001=1KΩ
1122=11.2KΩ
1R00=1Ω
0R495=0.495Ω
1114=1.11MΩ
2205=22MΩ