Name: Temperature Sensor For Air Conditioning
■ Features
| Band: Veteng | Use: For temperature sensing |
| Product model: VT0502FA020 | Product working temp range: - 40℃ ~ +80℃ |
|
Agency recognition: UL ROHS |
NTC thermistor working Temp.rage: - 40℃ ~ +125℃
|
■ Product Drawing
■ Material List
| Item | Material | datasheet | Quantity |
| 1 | NTC Thermistor |
R25=5KΩ±1% B25/50=3950K±1%) |
1PCS |
| 2 | Shell |
8*30 White PBT |
1PCS |
| 3 | Epoxy | G-208W-3A: GU-02W-3B White | / |
| 4 | Wire | UL2464 24AWG 2C TS 300V 80℃ White | 1PCS |
● The Shell, component, wire, connector, and their color, size, shape, and processing methods， all can
be customized according to your design
● The special shape of the shell and component , we can cooperate with the design and manufacture of
new molds
● If you need some samples, please contact us
■ Electrical Characteristic
| NO. | Item | Symbol | Test Conditions | Min. | Nor. | Max. | Unit |
| 1 |
Resistance at 25℃ |
R25 | Ta=25℃±0.05℃
PT≦0.1mW |
4.95 | 5.00 | 5.05 | KΩ |
| 2 | Resistance at 50℃ | R50 |
Ta=50℃±0.05℃ PT≦0.1mW |
/ | 1.794 | / | KΩ |
| 3 | B Value | B25/50 | 3853.887* LnK | 3910.5 | 3950.0 | 3989.5 | K |
| 4 | Thermal Dissipation Constant | δ |
Ta=25℃ In air |
/ | 5.0 | / | m W/℃ |
| 5 | Response Time | τ |
25℃→85℃ T1=25+(85-25)*63.2%=62.92℃ |
/ | / | 25 | Sec |
| 6 | Hi-Pot Test | / | AC1500V 3Sec | / | / | 2.0 | mA |
| 7 | Insulation test | / | DC500V 1Sec | 100 | / | / | MΩ |
● The resistance, B value and other parameters can be selected as your requirements
■ Mechanical Tests
| NO. | Item | Pass Criteria | Test Conditions |
|---|---|---|---|
| 1 |
Pull Test |
Appearance no obvious damage |
Fasten body with a load applied to each lead 9.8N for 10 sec |
| 2 |
Drop Test |
At the height of 1 meters, the product falls freely and falls to the 10mm thick oak board, 5 times |
■ Reliability Tests
| NO. | Item | Pass Criteria | Test Conditions |
|---|---|---|---|
| 1 | High Temperature Storage |
⊿R/R25≤±3% ⊿B/B≤±3% DC500V 1Sec AC3750V 1Sec |
80±5℃，1000±24H |
| 2 | Low Temperature Storage |
-30±5℃，1000±24H
|
|
| 3 | Constant temperature and humidity test |
40±2℃，90%～95% RH, 1000H±24H
|
|
| 4 | Temperature impact test(in air) |
–30℃×30min→25℃×5min→80℃×30min→25℃×5min，Cycle 10 times
|
|
■ Storage Conditions
1 Ambicnt Temperature: -10℃～+40℃
2 Relative Humidity: ≦75%RH
3 Keep away from corrosive atmosphere and sunlight
4 Period of Storage: 1 year
■ Product Application Conditions
1 Maximum service temperature and maximum power in application should not exceeds specification listed in Product Specification;
2 Much be handled with care when moving and installing the product;
3 Product should not be used when deformed or rusty casing is observed on product;
4 Product should not be used when broken housing ,or excessive deformation on housing is observed;
5 Avoid excessive temperature fluctuation when operating the product in its operational temperature range;
6 Do not apply excessive shock and vibration on product;
7 Do not pull or bend the lead wire excessively;
8 Do not use in any ambient with corrosiven gas (CO2,NH3,Sox,Nox);
Do not use in any ambient with electrolytic solution with brine,acid,alkaline and organic
9 Do not use in environment with water.high moisture,and high corrosive solution;
10 Current throught NTC element will cause self-heating,and may affect the measurement;
11 This product belongs to surface appressed type sensor temperature, when using, need to make bottom plane fully and heating;
● We are so happy to answer any questions. send a message or E-mail to us. We will respond as soon as possible.
● Ordering process：Confirm the product and datasheet → Send samples → Confirm samples and quotes → Test passed → Order+ payment → Manufacture+payment → Deliver
● Because the temperature sensors are custom products, can only be ordered in bulk and not retail
● For other NTC temperature sensors not listed on this website, please contact us, Yes, direct procurement from China is so easy
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