
Efficient Bullet-Style Temperature Sensor for Hot Water Control Systems
Sepecification | R25°C (kΩ) | B25/50°C(K) | Disspation constant | Thermal time constant | Operating temperature range |
SJMF-280-301 | 0.3 | 2800 | (In still air) 2.1~15mW/ºC |
(In stilll air) 25~65S |
-30ºC~250ºC |
SJMF-338/350-202 | 2 | 3380/3500 | |||
SJMF-327/338/345/347-502 | 5 | 3270/3380/3450/3470 | |||
SJMF-327/338/343/347-103 | 10 | 3270/3380/3435/3470 | |||
SJMF-345/355/395-103 | 10 | 3450/3550/3950 | |||
SJMF-395-203 | 20 | 3950 | |||
SJMF-399-233 | 23 | 3990 | |||
SJMF-395/399/405-473 | 47 | 3950/3990/4050 | |||
SJMF-395/399/405/420-503 | 50 | 3900/3950/3990/4050/4200 | |||
SJMF-395/399/405/420-104 | 100 | 3950/3990/4050/4200 | |||
SJMF-390/410/420/425-204 | 200 | 4200/4250 | |||
SJMF-4400-474 | 470 | 4050 | |||
SJMF-445/453-140 | 1400 | 4450/4530 |
Bullet-type NTC Temperature Sensor
The bullet-type NTC thermistor sensor is designed with a robust NTC thermistor element housed in a bullet-shaped casing, ideal for precision temperature measurement in various applications. This sensor is particularly suitable for tight spaces and can be easily inserted into systems where direct contact with liquids or gases is necessary.
It is commonly used in automotive engine systems, HVAC equipment, medical devices, and industrial machinery. The sensor’s housing, cable length, and connector types can be customized to meet specific requirements. Various cable insulation options, such as PFA and PTFE, are available.
Key Features
- Compact Design: The bullet-shaped housing is ideal for space-constrained applications.
- High Precision: Accurate temperature measurement with a reliable NTC thermistor element.
- Versatile Applications: Suitable for automotive, HVAC, medical, and industrial systems.
- Customization Options: Adjustable cable length, insulation materials (PFA, PTFE), and connector types.
- Durability: Designed for harsh environments with options for high-temperature resistance.
- Easy Installation: Simple integration into systems with direct contact needs.
Specifications
- Resistance Tolerance: ±1%, ±2%, ±3%, ±5%
- Temperature Range: -30°C to +250°C
- Dissipation Constant: 2.1-15 mW/°C (In still air)
- Thermal Time Constant: 25-65seconds (In still air)
Bullet-type NTC Temperature Sensor is can be used in :
- Water Heaters: Ensures accurate temperature control for consistent hot water supply. This is the most widely used application of the bullet-type sensor.
- Gas Stoves: Monitors and regulates burner temperature for safe and efficient cooking.
- Automotive Applications: Commonly used as engine coolant and oil temperature sensors in vehicles.
- Industrial Equipment: Suitable for monitoring temperatures in various machinery.
- Household Appliances: Commonly found in toasters, coffee makers, and irons.
Why Choose Minsing’s NTC Temperature Sensor?
With 30 years of manufacturing expertise, Minsing is a trusted factory known for producing reliable and high-performance thermistors and temperature sensors. Our extensive experience ensures that each product undergoes rigorous quality checks, meeting the highest standards. By partnering with Minsing, you benefit from:
- ISO9001 Certification: Assurance of high-quality manufacturing practices.
- IATF16949 Certification: Compliance with international automotive quality management systems.
- Custom Solutions: We offer tailored solutions to fit your specific requirements.

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