shiyan@aolittel-china.com
Stainless Steel Housing Brass Ring Thermistor NTC Temperature Sensor 100KOhm 3950 For Water Heater And Coffee Maker
Applications
Vehicle coolant sensor
Electric water heater
Small appliance controls such as boilers, coffee makers, etc.
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Features
Stainless steel casing
Excellent in corrosion resistance
Small tip dimensions
Fast time response for fluid immersion applications
Alternative casing, wire materials are available on request.
Dimensional drawing (mm)
| NO. | Material | Specifications | Texture of material |
| 1. |
Sensing element
|
R25=100KΩ±1% B25/50=3950K±1% | |
| 2. | Housing |
3 step bullet housing with brass ring ∮6.8*3.4+∮4.0*23 |
SUS |
| 3. | Epoxy resin | NZ-4 high temp glue black | |
| 4. | Heat Shrinkable tube | ∮1.0*10MM+2 | |
| 5. | Cable | UL1332 26AWG2C TS Black | PVC |
| 6. | Cable cover | TPE | Cu |
| 7. | Connector | 2P White | PVC |
Electrical Performances
| Serial number | Item | Symbol | Test Conditions | Min. | Nor. | Max. | Unit |
| 1. | Resistance At 25℃ | R25 |
Ta=0±0.05℃ PT≦0.1mw |
99 | 100 | 101 | kΩ |
| 2. | B Value | B25/50 | 3910.5 | 3950 | 3989.5 | k | |
| 3. | Thermal Dissipation Constant | δ | T1=85±0.2℃,Ta=25±1℃ | / | 3.0 | / | mw/℃ |
| 4. |
Thermal Time Constant (in water) |
τ | Ta=25±0.5℃ 25℃-50℃/63.2% | / | 2 | / | sec |
| 5. | Insulation test | / | 300VDC 1Sec | 100 | / | / | MΩ |
| 6. | Withstand Test | / | AC1050V 3mA 2Sec | / | / | 5 | Sec |
| 7. | Product Working Temp.Range | / | / | -30 | / | +180 | ℃ |
How to select the right thermistor / temperature sensor ?
1. Resistance Value
2. Resistance Temperature Characteristics
3. Resistance Tolerance and Temperature Tolerance
4. Operating Temperature
5. Mounting and Assembly
6. Configuration
7. Cost
8. Special Requirement
Resistance Value
NTC thermistors are typically specified or referenced with a resistance value at 25 °C. However, it is equally important to consider the minimum and maximum resistance values at the extremes of the operating temperature range.
Resistance Temperature Characteristics
Thermistors may be specified with either a temperature tolerance or a resistance tolerance at either a single temperature point or over a temperature range
Configuration
NTC thermistors come in several forms: bare discs, bare chips, glass coated beads, radial leads, thin film, surface mount, etc. The leaded styles are available with different housings, lead lengths, and encapsulation.
Mounting
Depending on application, mounting methods vary from screw mounts, pipe straps, tape or glued in. Please contact our sales representative for more information.
Special Requirement
Should special requirement such as space limitation, harsh environment, response time be considered, please be sure to let our sales representative know.
