Home /Products/NTC Thermistor/Custom Made Epoxy-encapsulated NTC Thermistor 2.7KOhm 3977K 1% 500mW For Coolant Temperature Sensor 2.1-2.7KOhm At 20C

Custom Made Epoxy-encapsulated NTC Thermistor 2.7KOhm 3977K 1% 500mW For Coolant Temperature Sensor 2.1-2.7KOhm At 20C

1000 Pieces
MOQ
Negotiable
Price
Custom Made Epoxy-encapsulated NTC Thermistor 2.7KOhm 3977K 1% 500mW For Coolant Temperature Sensor 2.1-2.7KOhm At 20C
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Features
Specifications
Type Of Sensor: NTC Thermistor
Mount: Through Hole
Number Of Pins: 2
Accuracy: 1%
Max Operating Temperature: 105C
Max Power Dissipation: 500mW
Min Operating Temperature: -40C
Head Diameter: Max. 4mm
Head Width: Max.5mm
Cable Length: 30mm
Highlight:

negative temperature coefficient thermistor

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ntc thermistor high temperature
Basic Infomation
Brand Name: Aolittel
Model Number: CWFD0272FC-35X
Payment & Shipping Terms
Packaging Details: Bulk,500pcs/Bag
Delivery Time: 2-4 Weeks
Payment Terms: T/T, Western Union
Supply Ability: 1,000,000 Pieces Per Month
Product Description

 

Custom Made Epoxy-encapsulated NTC Thermistor 2.7KOhm 3977K 1% 500mW For Coolant Temperature Sensor 2.1-2.7KOhm At 20C

 

 

Applications


Temperature measurement, sensing and control,temperature compensation in industrial and consumer
electronics.

 

__________________________________________________________________________Epoxy Coated Photocell 11mm Diameter Photoresistor Light Sensor GM11528 With Light Resistance 10-20 KOhm Download________

 

 

Description

 

These thermistors have a negative temperature coefficient.
The device consists of a chip with two solid copper tin plated leads. It is grey lacquered and color coded, but not insulated.

 

 

Features

 

• Accuracy over a wide temperature range
• High stability over a long life
• Excellent price/performance ratio

• Wide resistance range
• Cost-effective
• Tinned copper leads
 

 

MOUNTING


By soldering in any position.
Not intended for potted applications.

 

 

Dimension  (mm)

 

Custom Made Epoxy-encapsulated NTC Thermistor 2.7KOhm 3977K 1% 500mW For Coolant Temperature Sensor 2.1-2.7KOhm At 20C 1

 

NO Material Name Item/PN
a. Element R25=2.7KΩ±1% B25/85=3977K±1%
b. Coating Epoxy Resin (Black)
c. Lead Wire UL1332 AWG28 * 2C (Black)
 
 
Electrical Performances
 
NO Item Sign Test Conditions Min. Normal value Max. Unit
1. Resistance at 25℃ R25

Ta=25±0.05℃

PT≦0.1mw

 2.673 2.7 2.727 kΩ
2. B Value B25/85   3937 3977 4016 k
3. Dissipation factor σ Ta=25±0.5℃ 2.5   / mw/℃
4. Time constant τ Ta=25±0.5℃ / / 20 sec
5. Insulation resistance / 500VDC 100 / / MΩ
6. Withstand voltage / 1500V AC (3mA) 5 / / Sec
7. Operating temp.range / / -40 / +105 ℃
 
 
Detailed Photos
 
Custom Made Epoxy-encapsulated NTC Thermistor 2.7KOhm 3977K 1% 500mW For Coolant Temperature Sensor 2.1-2.7KOhm At 20C 2
 
 
Reliability Test
 
NO Item Technical requirements Test conditions and method
5-1. High temp. Test

DR/R25£±3%

 

DB/B£±3%

 

No change with withstand voltage,

Insalution performance.

Appearance without damage.

 100±5℃,power on 500±24 hrs,DC0.2mA
5-2. Low temp. tes -15±5℃,power on 500±24 hrs,DC0.2mA
5-3. Endure moisture test Store in environment 55±2℃,90%-95%RH for 240±24 hrs
5-4. Temp. cycle test –20℃×30min→Room temp.×10min→ in 100℃ water×30min→Room temp.×10min 10 cycles
5-5 Load electrify test Power on DC1mA, 500hrs in room temp. and humid.
5-6 Tensile tests Applying 2 kg force lasts 1 min.
5-7 Drop test Free fall into concrete floor from height 1M ,10 cycle.
5-8 Vibration test Frequency range:10～55HZ Total amplitude 1.52mm 1 cycle 1 min ,direction and time X,Y,Z axs 2Hr each.
5-9 Bending test Bend 180°binding site wire and epoxy resin.Back and forth 10 times

 

 

Resistance Vs. Temperature Table

 

R－T CONVERSION TABLE
R25=2.7KΩ±1% B25/85=3977K±1%
T/℃ Rmax Rcen Rmin T/℃ Rmax Rcen Rmin
-55 211.966 223.777 236.223 -18 21.618 22.303 23.006
-54 197.640 208.505 219.946 -17 20.470 21.106 21.760
-53 184.388 194.389 204.911 -16 19.389 19.981 20.588
-52 172.123 181.332 191.014 -15 18.371 18.921 19.486
-51 160.761 169.246 178.160 -14 17.411 17.923 18.448
-50 150.230 158.051 166.262 -13 16.507 16.983 17.471
-49 140.463 147.675 155.242 -12 15.654 16.097 16.551
-48 131.398 138.052 145.027 -11 14.850 15.262 15.684
-47 122.980 129.121 135.555 -10 14.092 14.475 14.867
-46 115.158 120.828 126.764 -9 13.376 13.732 14.097
-45 107.885 113.122 118.602 -8 12.700 13.032 13.371
-44 101.119 105.958 111.018 -7 12.062 12.371 12.686
-43 94.821 99.294 103.968 -6 11.459 11.746 12.040
-42 88.955 93.092 97.411 -5 10.890 11.157 11.429
-41 83.489 87.316 91.309 -4 10.351 10.600 10.853
-40 78.393 81.934 85.626 -3 9.843 10.074 10.309
-39 73.640 76.918 80.333 -2 9.361 9.576 9.795
-38 69.204 72.239 75.399 -1 8.906 9.106 9.310
-37 65.062 67.873 70.798 0 8.475 8.662 8.851
-36 61.193 63.797 66.505 1 8.068 8.241 8.417
-35 57.577 59.990 62.498 2 7.682 7.843 8.006
-34 54.195 56.433 58.756 3 7.316 7.466 7.618
-33 51.033 53.107 55.260 4 6.970 7.109 7.250
-32 48.073 49.996 51.992 5 6.642 6.771 6.902
-31 45.301 47.086 48.936 6 6.331 6.451 6.573
-30 42.706 44.362 46.077 7 6.036 6.148 6.261
-29 40.274 41.810 43.402 8 5.757 5.860 5.965
-28 37.994 39.420 40.896 9 5.492 5.588 5.685
-27 35.855 37.180 38.550 10 5.243 5.333 5.423
-26 33.850 35.080 36.351 11 5.001 5.084 5.167
-25 31.967 33.110 34.289 12 4.775 4.851 4.928
-24 30.199 31.261 32.356 13 4.559 4.630 4.702
-23 28.539 29.526 30.543 14 4.355 4.421 4.487
-22 26.980 27.896 28.841 15 4.161 4.222 4.283
-21 25.513 26.365 27.243 16 3.976 4.032 4.089
-20 24.135 24.927 25.742 17 3.801 3.853 3.905
-19 22.838 23.574 24.332 18 3.634 3.682 3.730
R－T CONVERSION TABLE
R25=2.7KΩ±1% B25/50=3950K±1%
T/℃ Rmax Rcen Rmin T/℃ Rmax Rcen Rmin
19 3.475 3.520 3.564 56 0.764 0.782 0.799
20 3.324 3.365 3.407 57 0.736 0.753 0.771
21 3.181 3.219 3.257 58 0.710 0.727 0.744
22 3.044 3.079 3.114 59 0.684 0.701 0.717
23 2.914 2.946 2.978 60 0.660 0.676 0.692
24 2.790 2.820 2.849 61 0.637 0.652 0.668
25 2.673 2.700 2.727 62 0.614 0.629 0.645
26 2.558 2.585 2.612 63 0.593 0.608 0.623
27 2.449 2.476 2.503 64 0.572 0.587 0.602
28 2.345 2.372 2.399 65 0.552 0.566 0.581
29 2.246 2.273 2.299 66 0.533 0.547 0.561
30 2.152 2.178 2.205 67 0.515 0.528 0.542
31 2.062 2.088 2.115 68 0.497 0.511 0.524
32 1.977 2.002 2.029 69 0.480 0.493 0.507
33 1.895 1.921 1.946 70 0.464 0.477 0.490
34 1.817 1.843 1.868 71 0.448 0.461 0.474
35 1.743 1.768 1.793 72 0.433 0.446 0.458
36 1.672 1.697 1.722 73 0.419 0.431 0.443
37 1.605 1.629 1.654 74 0.405 0.417 0.429
38 1.540 1.564 1.588 75 0.392 0.403 0.415
39 1.479 1.502 1.526 76 0.379 0.390 0.402
40 1.420 1.443 1.467 77 0.367 0.378 0.389
41 1.364 1.387 1.410 78 0.355 0.366 0.377
42 1.310 1.333 1.356 79 0.343 0.354 0.365
43 1.259 1.281 1.304 80 0.332 0.343 0.353
44 1.210 1.232 1.254 81 0.322 0.332 0.342
45 1.163 1.184 1.206 82 0.312 0.322 0.332
46 1.118 1.139 1.161 83 0.302 0.311 0.321
47 1.075 1.096 1.117 84 0.292 0.302 0.312
48 1.035 1.055 1.075 85 0.283 0.293 0.302
49 0.995 1.015 1.036 86 0.274 0.284 0.293
50 0.956 0.976 0.995 87 0.266 0.275 0.284
51 0.922 0.941 0.961 88 0.258 0.267 0.276
52 0.888 0.906 0.926 89 0.250 0.258 0.267
53 0.855 0.873 0.892 90 0.242 0.251 0.259
54 0.823 0.841 0.860 91 0.235 0.243 0.252
55 0.793 0.811 0.829 92 0.228 0.236 0.244
R－T CONVERSION TABLE
R25=2.7KΩ±1% B25/50=3950K±1%
T/℃ Rmax Rcen Rmin T/℃ Rmax Rcen Rmin
93 0.221 0.229 0.237        
94 0.215 0.222 0.230        
95 0.208 0.216 0.224        
96 0.202 0.210 0.217        
97 0.196 0.203 0.211        
98 0.191 0.198 0.205        
99 0.185 0.192 0.199        
100 0.180 0.187 0.193        
101 0.175 0.181 0.188        
102 0.170 0.176 0.183        
103 0.165 0.171 0.178        
104 0.160 0.166 0.173        
105 0.156 0.162 0.168        
106 0.151 0.157 0.164        
107 0.147 0.153 0.159        
108 0.143 0.149 0.155        
109 0.139 0.145 0.151        
110 0.135 0.141 0.147        
111 0.132 0.137 0.143        
112 0.128 0.133 0.139        
113 0.125 0.130 0.135        
114 0.121 0.127 0.132        
115 0.118 0.123 0.128        
116 0.115 0.120 0.125        
117 0.112 0.117 0.122        
118 0.109 0.114 0.119        
119 0.106 0.111 0.116        
120 0.104 0.108 0.113        
121 0.101 0.105 0.110        
122 0.098 0.103 0.107        
123 0.096 0.100 0.104        
124 0.093 0.098 0.102        
125 0.091 0.095 0.099        

 

 

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temperature sensor thermistor

thermistor temperature sensor

negative temperature coefficient thermistor

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