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LA73 Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers

Part No. LA73
Description  THERMAL SENSORS
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Maker  ETC2 [List of Unclassifed Manufacturers]
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本カタログに掲載の仕様は予告なく変更する場合があります。御注文及び御使用前に、納入仕様書などで内容を御確認下さい。
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
www.koanet.co.jp
■性能 Performance
■負荷軽減曲線 Derating Curve
100
80
60
40
20
0
-60 -40 -20
0
20
40 60
70
-55
80 100 120
125
140
周囲温度 Ambient temperature(℃)
■温度特性例 Example of Temperature Characteristics
■抵抗温度特性近似式 Approximate Expression for Resistance-Temperature Characteristics
(代表値であり保証値ではありません。Values are not guaranteed but typical.)
RT=R25(C0+C1T+C2T2)RT:T℃での抵抗値
RT:Resistance value at T℃
R25:25℃での抵抗値
R25:Resistance value at 25℃
T:周囲温度(℃)
T:Ambient temperature(℃)
C0, C1, C2:定数
C0, C1, C2:Constants
40
30
20
10
0
-10
-20
-30
-40
-75
-50
-25
0
25
50
75
100
125
3600
3000
2000
1000
周囲温度 Ambient Temperature(℃)
T.C.R.
(×10−6/K)
試験項目
規格値 Performance Requirements
試験方法
Test Items
ΔR±(%+0.1Ω)
Test Methods
保証値 Limit
代表値 Typical
抵抗値
規定の許容差内
―25℃
Resistance
Within specified tolerance
抵抗温度係数
規定値内
―+25℃ / +75℃
T.C.R.
Within specified T.C.R.
過負荷(短時間)
1:1J, 2A, 2B
0.5:1J, 2A, 2B
定格電圧×2.5倍又は最高使用電圧×2倍(どちらか低い方)を5秒印加
Overload(Short time)
3:1E
0.5:1E
Rated voltage×2.5 or max. working vol.×2 for 5s, whichever is lower.
はんだ耐熱性
1:1J, 2A, 2B
0.5:1J, 2A, 2B
Resistance to soldering heat
3:1E
0.5:1E
260℃±5℃, 10s±1s
温度急変
1:1J, 2A, 2B
0.5:1J, 2A, 2B
−55℃(30min.)/+125℃(30min.)100 cycles
Rapid change of temperature
3:1E
0.5:1E
耐湿負荷
3:1J, 2A, 2B
1.5:1J, 2A, 2B
40℃±2℃, 90%∼95%RH, 1000h 定格電圧負荷 Rated voltage load
Moisture resistance
5:1E
2:1E
1.5時間 ON / 0.5時間 OFFの周期 1.5h ON / 0.5h OFF cycle
70℃での耐久性
3:1J, 2A, 2B
1.5:1J, 2A, 2B
70℃±2℃, 1000h 定格電圧負荷 Rated voltage load
Endurance at 70℃
5:1E
2:1E
1.5時間 ON / 0.5時間 OFFの周期 1.5h ON / 0.5h OFF cycle
T.C.R.
C0
C1
C2
(×10−6/K)
3000
0.926
0.00294
1.1×10−7
3300
0.918
0.00325
4.1×10−7
3600
0.910
0.00359
1.7×10−7
■使用上の注意 Precautions for Use
この抵抗器は電力印加による自己発熱により、抵抗値が変化します。その為、自己発熱を考慮して御使用下さい。
機器組立工程における静電気の発生、印加により抵抗器が損傷する場合がありますので御注意下さい。
The resistance value of this resistor changes by its self-heating by power applied. Therefore, it is recommended to use it by taking its self
heat-generation into consideration.
Care must be taken that the resistors may be damaged by occurrence or application of the static electricity in equipment assembling processes.
周囲温度70℃以上で使用される場合は、上図負荷軽減曲線に従って、定
格電力を軽減してご使用下さい。
For resistors operated at an ambient temperature of 70℃ or above, a power
rating shall be derated in accordance with the above derating curve.




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