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Temperature sensor Amphenol JS8746C-0.20 designed for performance in demanding temperature monitoring

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Temperature sensor Amphenol JS8746C-0.20 designed for performance in demanding temperature monitoring

Resistance @ 25℃ : 10kΩ

Operating Temperature : -40℃~+125℃

B Constant (25℃/100℃) : -

B Constant (25℃/85℃) : 3977K

B Constant (25℃/75℃) : -

B Constant Tolerance : -

B Constant (25℃/50℃) : -

Description : 10kΩ NTC Thermistors RoHS

Mfr. Part # : JS8746C-0.20

Model Number : JS8746C-0.20

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Product Overview

The JS8746 Harsh Environment Temperature Sensor is engineered for critical temperature monitoring in demanding applications, particularly within the transportation sector (land, sea, and air). Designed to ensure the integrity of goods during transit, this sensor is vital for maintaining temperature-controlled environments, especially for sensitive items like medical products where strict temperature adherence is a statutory requirement. The sensor is specifically developed to address the challenges of the marine environment, offering robust protection against corrosive elements such as salt solutions, ozone, UV radiation, and cleaning detergents. Its advanced design and materials ensure reliable performance and compliance with stringent measurement and performance expectations for HVAC control systems in container shipping.

Product Attributes

Brand: Amphenol Advanced Sensors
Product Line: JS8746 Harsh Environment Temperature Sensor
Housing Material: Stainless steel hard shell
Corrosion Resistance: Class A2 or better according to ISO3506
Cable Type: Double insulated, multicore copper conductors, tin-coated
Crimp Caps Material: Tin-coated brass with integral strain relief
Environmental Protection: IP68
Resistance to: Salt solutions, Ozone, UV, marine environment cleaning detergents
Inert to: Trace levels of airborne R134a refrigerant

Technical Specifications

Part Number	L / mm	K / mm	Tolerance 0-70C / C	Resistance at 25C (nominal)	B25/85 (nominal)	Temperature Range (C)	Time Constant (seconds)	Withstand Voltage (kV rms)
JS8746A-0.20	1000	50	0.20	10,000	3977K	-40 to 125	20 or less	2.5
JS8746B-0.20	2000	50	0.20
JS8746C-0.20	3000	50	0.20
JS8746A-0.15	1000	50	0.15
JS8746B-0.15	2000	50	0.15
JS8746C-0.15	3000	50	0.15
Conductors cross-sectional area				0.25 mm (23 AWG) min	Configured as 19mm x 0.14mm
HACT Exposure				+14 days	Equates to 14 years of marine environment exposure

Thermal Equilibrium Resistance Versus Temperature Properties (0.2C Tolerance between 0C and 70C)

Temp C	R nom /	R min /	R max /	R Tol - %	R Tol + %	Temp Tol + C	Temp Tol - C
-40	333560	328250	338930	-1.59	1.61	0.24	-0.24
-35	241070	237420	244750	-1.51	1.53	0.24	-0.24
-30	176080	173550	178630	-1.44	1.45	0.23	-0.23
-25	129930	128160	131700	-1.36	1.37	0.23	-0.23
-20	96807	95560	98061	-1.29	1.30	0.22	-0.22
-15	72809	71922	73699	-1.22	1.22	0.22	-0.22
-10	55253	54617	55890	-1.15	1.15	0.21	-0.21
-5	42292	41834	42751	-1.08	1.09	0.21	-0.21
0	32639	32382	32897	-0.79	0.79	0.15	-0.15
5	25391	25139	25642	-0.99	0.99	0.20	-0.20
10	19902	19711	20093	-0.96	0.96	0.20	-0.20
15	15713	15567	15860	-0.93	0.93	0.20	-0.20
20	12493	12380	12606	-0.90	0.90	0.20	-0.20
25	10000	9912.2	10088	-0.88	0.88	0.20	-0.20
30	8055.9	7987.3	8124.6	-0.85	0.85	0.20	-0.20
35	6530.0	6475.9	6584.1	-0.83	0.83	0.20	-0.20
40	5324.6	5281.8	5367.5	-0.80	0.80	0.20	-0.20
45	4366.5	4332.4	4400.7	-0.78	0.78	0.20	-0.20
50	3600.5	3573.1	3627.9	-0.76	0.76	0.20	-0.20
55	2984.6	2962.5	3006.7	-0.74	0.74	0.20	-0.20
60	2486.6	2468.7	2504.5	-0.72	0.72	0.20	-0.20
65	2081.8	2067.2	2096.4	-0.70	0.70	0.20	-0.20
70	1751.1	1739.1	1763.0	-0.68	0.68	0.20	-0.20
75	1479.6	1468.8	1490.3	-0.72	0.73	0.22	-0.22
80	1255.6	1246.0	1265.2	-0.77	0.77	0.24	-0.24
85	1070.0	1061.4	1078.6	-0.81	0.81	0.25	-0.26
90	915.55	907.82	923.29	-0.84	0.85	0.27	-0.27
95	786.43	779.50	793.39	-0.88	0.88	0.29	-0.29
100	678.07	671.84	684.32	-0.92	0.92	0.31	-0.31
105	586.75	581.16	592.38	-0.95	0.96	0.33	-0.34
110	509.52	504.48	514.58	-0.99	0.99	0.35	-0.36
115	443.94	439.40	448.51	-1.02	1.03	0.38	-0.38
120	388.06	383.97	392.19	-1.06	1.06	0.40	-0.40
125	340.29	336.59	344.02	-1.09	1.10	0.42	-0.42

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