Radial Leaded Glass Encapsulated Bead NTC thermistor 10K Ohm Beta B(25/50) 3950K, Temperature Measurement Range -40C to +300C

Name: Radial Glass Bead NTC 300C 10K Ohm Beta 3950K - AMWEI Thermistor Sensor
Brand: AMWEI
Availability: InStock

AMWEI Product Number: AMF58B-103F3950

Radial Glass Bead NTC Shape and Dimension

Radial Glass Bead NTC Thermistor

Glass body diameter D: 1.3±0.2 mm
Glass body Length L1: 2.8 mm Max
Dumet Lead Wire (copper-clad FeNi) length L2: 65±5 mm
Dumet Lead Wire Diameter Φd: 0.2 ±0.05 mm:

D	L1	L2	Φd±0.05
1.3±0.2 mm	2.8 mm Max	65±5 mm	0.2 mm

Radial Glass Bead NTC 10K Ohm 3950K Application

For high temperature measurement upto 300C. Typical application in industrial process control, motors, heating and air conditioning (HVAC) , medical industry, 3D printing, food processing, etc.

Radial Glass Bead NTC Thermistor Electric Characteristics Data

Resistance at 25C R25: 10K ohm+/-1%
Beta Value B(25/50): 3950K+/-1%
Optional R25 resistance tolerance, ±1%(F), ±2%(G), ±3%(H), or ±5%(J)
Dissipation Factor: 0.5 mw/℃ min.
Thermal Time Constant (in still air): 6.5 seconds max.
Insulation resistance: room temperature, 50VDC, 60 Seconds, 10 MΩ min.
Operating temperature range: -40 to +300C.

NTC 10K Ohm 3950K Resistance vs. Temperature RT Data

Temperature Centigrade	Resistance (KΩ)	Temperature Centigrade	Resistance (KΩ)	Temperature Centigrade	Resistance (KΩ)
-40C	283.3811 KΩ	80C	1.2429 KΩ	200C	0.0671 KΩ
-35C	209.0590 KΩ	85C	1.0594 KΩ	205C	0.0613 KΩ
-30C	156.8160 KΩ	90C	0.9069 KΩ	210C	0.0562 KΩ
-25C	118.9527 KΩ	95C	0.7797 KΩ	215C	0.0516 KΩ
-20C	90.9311 KΩ	100C	0.6730 KΩ	220C	0.0474 KΩ
-15C	69.9035 KΩ	105C	0.5831 KΩ	225C	0.0436 KΩ
-10C	53.9812 KΩ	110C	0.5071 KΩ	230C	0.0403 KΩ
-5C	41.8540 KΩ	115C	0.4425 KΩ	235C	0.0372 KΩ
0C	32.5807 KΩ	120C	0.3874 KΩ	240C	0.0344 KΩ
5C	25.4687 KΩ	125C	0.3402 KΩ	245C	0.0319 KΩ
10C	20.0003 KΩ	130C	0.2996 KΩ	250C	0.0296 KΩ
15C	15.7850 KΩ	135C	0.2646 KΩ	255C	0.0275 KΩ
20C	12.5266 KΩ	140C	0.2343 KΩ	260C	0.0256 KΩ
25C	10.0000 KΩ	145C	0.2080 KΩ	265C	0.0238 KΩ
30C	8.0338 KΩ	150C	0.1851 KΩ	270C	0.0222 KΩ
35C	6.4976 KΩ	155C	0.1655 KΩ	275C	0.0207 KΩ
40C	5.2921 KΩ	160C	0.1483 KΩ	280C	0.0194 KΩ
45C	4.3415 KΩ	165C	0.1332 KΩ	285C	0.0182 KΩ
50C	3.5882 KΩ	170C	0.1200 KΩ	290C	0.0170 KΩ
55C	2.9688 KΩ	175C	0.1083 KΩ	295C	0.0160 KΩ
60C	2.4693 KΩ	180C	0.0980 KΩ	300C	0.0150 KΩ
65C	2.0645 KΩ	185C	0.0889 KΩ
70C	1.7348 KΩ	190C	0.0808 KΩ
75C	1.4649 KΩ	195C	0.0735 KΩ

Radial Glass Bead NTC Thermistor Mechanical Test

Test	Standard	Test Conditions and methods	Requirements
Soldering & Solderability	IEC60068-2-20 Test Ta	Temperature: 230±5 ℃， 2-2.5mm away from ceramic body On: 2±0.5 Seconds.	The terminations shall be evenly tinned
Resistant to soldering heat	IEC60068-2-20 Test Tb	Temperature: 260±5℃, 2-2.5mm away from ceramic body On：10±1 Seconds.	No visible damage, ΔR25/R25≤2%
Lead wire tensile	IEC60068-2-21 Test U	Test Ua: Force 10N, On 10 Seconds; Test Ub: Bending 90C, Force 5N, Twice.	No break off, ΔR25/R25≤2%

Radial Glass Bead NTC Thermistor Reliability Data

Test	Standard	Test Conditions	ΔR25/R25 (typical)	Remarks
Low temperature storage	IEC 60068-2-1	Storage at low category temperature: -40C, Time: 1000 hours	≤3%	No visible damage
Storage in dry heat	IEC 60068-2-2	Storage at upper category temperature: 250C, Time: 1000 hours	≤3%	No visible damage
Storage in damp heat, steady state (Humidity test)	IEC 60068-2-3	Temperature: 40C, Humidity:90%-95% RH, Duration: 1000 hours	≤3%	No visible damage
Temperature cycling	IEC 60068-2-14	1. -30C/30 minutes 2. 80C/5minutes 3. 250C/30 minutes 4. 80C/5minutes. Number of cycles: 5 Cycles	≤3%	No visible damage

Note
Contact of NTC thermistors with any liquids and solvents shall be prevented. It must be ensured that no water enters the NTC thermistors (e.g. through plug terminals).
Avoid dewing and condensation unless thermistor is specified for these conditions.