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Silicon temperature sensor

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Description

The structure of the KTY84 temperature sensor chip is based on the principle of diffusion resistance, and the main component is silicon. Silicon is inherently stable and has a practical linear temperature coefficient within the measurement range, ensuring the accuracy of temperature measurement. So this type of resistor has the characteristics of high accuracy, high reliability, wide measurement range, small volume, rapid response, strong stability, and positive temperature coefficient. Our existing products include KTY84-130 and KTY84-150.

Technical parameters

Electrical parameters

SN		Electrical parameter	Symbol	Test conditions	Min	Standard value	Max	Unit
1	KTY84/130	25℃Resistance	R25	Constant temperature25±0.05℃	577	603	629	Ω
1	KTY84/130	100℃Resistance	R100	Constant temperature100±0.05℃	970	1000	1030	Ω
2	KTY84/150	25℃Resistance	R25	Constant temperature25±0.05℃	565	603	641	Ω
2	KTY84/150	100℃Resistance	R100	Constant temperature100±0.05℃	950	1000	1050	Ω

Electrical parameters2

SN	Electrical parameters	Symbol	Test conditions	Min	Standard value	Max	Unit
5	Dissipation coefficient	δ	In still air	1.5	/	/	mW/℃
6	Thermal time constant	т	In still air	/	/	7	s
7	Insulation resistance	/	DC=100V	100	/	/	MΩ
8	Maximum operating current	Imax	/	/	/	8	mA
9	Rated working current	In	/	/	5	/	mA
10	Rated power	Pmax	/	/	/	50	nW
11	Working temperature	Ta	-40-210℃
12	Storage time	Tmin	2 years (room temperature, relative humidity<60%)

R-T characteristic parameter table

Environmental temperature		Remperature coefficient	KTY84-130，KTY84/130
Centigrade	Fahrenheit degree	（%/K）	（Ω）			Temperature measurement error
Centigrade	Fahrenheit degree	（%/K）	MIN	TYP	MAX	（K）
-40	-40	0.99	340	359	379	±6.48
-30	-22	0.98	370	391	411	±6.36
-20	-4	0.96	403	424	446	±6.26
-10	14	0.93	437	460	483	±6.16
0	32	0.91	474	498	522	±6.07
10	50	0.88	514	538	563	±5.98
20	68	0.85	555	581	607	±5.89
25	77	0.83	577	603	629	±5.84
30	88	0.8	599	626	652	±5.79
40	104	0.79	645	672	700	±5.69
50	122	0.78	694	722	750	±5.59
60	140	0.75	744	773	801	±5.47
70	158	0.73	797	826	855	±5.34
80	176	0.71	852	882	912	±5.21
90	194	0.69	910	940	970	±5.06
100	212	0.67	970	1000	1030	±4.9
110	230	0.65	1029	1062	1096	±5.31
120	248	0.63	1089	1127	1164	±5.73
130	266	0.61	1152	1194	1235	±6.17
140	284	0.58	1216	1262	1309	±6.63
150	302	0.55	1282	1334	1385	±7.1
160	320	0.53	1350	1407	1463	±7.59
170	338	0.52	1420	1482	1544	±8.1
180	356	0.51	1492	1560	1628	±8.62
190	374	0.49	1566	1640	1714	±9.15
200	392	0.48	1641	1722	1803	±9.71
210	410	0.47	1719	1807	1894	±10.28

R-T characteristic parameter table

Environmental temperature		Temperature coefficient	KTY84-150
Centigrade	Fahrenheit degree	（%/K）	（Ω）			Temperature measurement error
Centigrade	Fahrenheit degree	（%/K）	MIN	TYP	MAX	（K）
-40	-40	0.84	332	359	386	±8.85
-30	-22	0.83	362	391	419	±8.76
-20	-4	0.82	394	424	455	±8.70
-10	14	0.8	428	460	492	±8.63
0	32	0.79	464	498	532	±8.61
10	50	0.77	503	538	574	±8.58
20	68	0.75	544	581	618	±8.55
25	77	0.74	565	603	641	±8.54
30	88	0.73	587	626	665	±8.53
40	104	0.71	632	672	713	±8.50
50	122	0.7	679	722	764	±8.46
60	140	0.68	729	773	817	±8.42
70	158	0.66	781	826	872	±8.37
80	176	0.64	835	882	929	±8.31
90	194	0.63	891	940	989	±8.25
100	212	0.61	950	1000	1050	±8.17
110	230	0.6	1007	1062	1117	±8.66
120	248	0.58	1067	1127	1187	±9.17
130	266	0.57	1128	1194	1259	±9.69
140	284	0.55	1191	1262	1334	±10.24
150	302	0.54	1256	1334	1412	±10.80
160	320	0.53	1322	1407	1492	±11.37
170	338	0.52	1391	1482	1574	±11.96
180	356	0.51	1461	1560	1659	±12.58
190	374	0.49	1533	1640	1747	±13.20
200	392	0.48	1607	1722	1837	±13.85
210	410	0.47	1683	1807	1931	±14.51

Precautions during installation and use

1. Cannot be connected in series or parallel;

2. When installing and wiring, attention should be paid to not placing force on the wires and leaving a certain margin;

3. Special locations should be installed with attention to protection to avoid damaging the sensor;

4. Do not strike the sensor during the entire installation process;

5. After installation, use an ohmmeter to measure the room temperature resistance based on the ambient temperature to determine whether its function is normal;

6. If there is an abnormal temperature during operation, the silicon sensor lead should be removed, and a normal sensor should be connected to the instrument to determine whether it is a silicon sensor fault or an instrument fault, and then corresponding measures should be taken.

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Description

Technical parameters

Electrical parameters

SN		Electrical parameter	Symbol	Test conditions	Min	Standard value	Max	Unit
1	KTY84/130	25℃Resistance	R25	Constant temperature25±0.05℃	577	603	629	Ω
1	KTY84/130	100℃Resistance	R100	Constant temperature100±0.05℃	970	1000	1030	Ω
2	KTY84/150	25℃Resistance	R25	Constant temperature25±0.05℃	565	603	641	Ω
2	KTY84/150	100℃Resistance	R100	Constant temperature100±0.05℃	950	1000	1050	Ω

Electrical parameters2

SN	Electrical parameters	Symbol	Test conditions	Min	Standard value	Max	Unit
5	Dissipation coefficient	δ	In still air	1.5	/	/	mW/℃
6	Thermal time constant	т	In still air	/	/	7	s
7	Insulation resistance	/	DC=100V	100	/	/	MΩ
8	Maximum operating current	Imax	/	/	/	8	mA
9	Rated working current	In	/	/	5	/	mA
10	Rated power	Pmax	/	/	/	50	nW
11	Working temperature	Ta	-40-210℃
12	Storage time	Tmin	2 years (room temperature, relative humidity<60%)

R-T characteristic parameter table

Environmental temperature		Remperature coefficient	KTY84-130，KTY84/130
Centigrade	Fahrenheit degree	（%/K）	（Ω）			Temperature measurement error
Centigrade	Fahrenheit degree	（%/K）	MIN	TYP	MAX	（K）
-40	-40	0.99	340	359	379	±6.48
-30	-22	0.98	370	391	411	±6.36
-20	-4	0.96	403	424	446	±6.26
-10	14	0.93	437	460	483	±6.16
0	32	0.91	474	498	522	±6.07
10	50	0.88	514	538	563	±5.98
20	68	0.85	555	581	607	±5.89
25	77	0.83	577	603	629	±5.84
30	88	0.8	599	626	652	±5.79
40	104	0.79	645	672	700	±5.69
50	122	0.78	694	722	750	±5.59
60	140	0.75	744	773	801	±5.47
70	158	0.73	797	826	855	±5.34
80	176	0.71	852	882	912	±5.21
90	194	0.69	910	940	970	±5.06
100	212	0.67	970	1000	1030	±4.9
110	230	0.65	1029	1062	1096	±5.31
120	248	0.63	1089	1127	1164	±5.73
130	266	0.61	1152	1194	1235	±6.17
140	284	0.58	1216	1262	1309	±6.63
150	302	0.55	1282	1334	1385	±7.1
160	320	0.53	1350	1407	1463	±7.59
170	338	0.52	1420	1482	1544	±8.1
180	356	0.51	1492	1560	1628	±8.62
190	374	0.49	1566	1640	1714	±9.15
200	392	0.48	1641	1722	1803	±9.71
210	410	0.47	1719	1807	1894	±10.28

R-T characteristic parameter table

Environmental temperature		Temperature coefficient	KTY84-150
Centigrade	Fahrenheit degree	（%/K）	（Ω）			Temperature measurement error
Centigrade	Fahrenheit degree	（%/K）	MIN	TYP	MAX	（K）
-40	-40	0.84	332	359	386	±8.85
-30	-22	0.83	362	391	419	±8.76
-20	-4	0.82	394	424	455	±8.70
-10	14	0.8	428	460	492	±8.63
0	32	0.79	464	498	532	±8.61
10	50	0.77	503	538	574	±8.58
20	68	0.75	544	581	618	±8.55
25	77	0.74	565	603	641	±8.54
30	88	0.73	587	626	665	±8.53
40	104	0.71	632	672	713	±8.50
50	122	0.7	679	722	764	±8.46
60	140	0.68	729	773	817	±8.42
70	158	0.66	781	826	872	±8.37
80	176	0.64	835	882	929	±8.31
90	194	0.63	891	940	989	±8.25
100	212	0.61	950	1000	1050	±8.17
110	230	0.6	1007	1062	1117	±8.66
120	248	0.58	1067	1127	1187	±9.17
130	266	0.57	1128	1194	1259	±9.69
140	284	0.55	1191	1262	1334	±10.24
150	302	0.54	1256	1334	1412	±10.80
160	320	0.53	1322	1407	1492	±11.37
170	338	0.52	1391	1482	1574	±11.96
180	356	0.51	1461	1560	1659	±12.58
190	374	0.49	1533	1640	1747	±13.20
200	392	0.48	1607	1722	1837	±13.85
210	410	0.47	1683	1807	1931	±14.51

Precautions during installation and use

1. Cannot be connected in series or parallel;

2. When installing and wiring, attention should be paid to not placing force on the wires and leaving a certain margin;

3. Special locations should be installed with attention to protection to avoid damaging the sensor;

4. Do not strike the sensor during the entire installation process;

5. After installation, use an ohmmeter to measure the room temperature resistance based on the ambient temperature to determine whether its function is normal;

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