Aluminum Housing Automotive Car Auto NTC Thermistor Temperature Sensor
Description
Out-car NTC Thermistor Aluminum Shell Temperature Sensor designed for automotive application such as air conditioning, heating seat , out-car temperature sensing with features that high stability, long term operation , high accuracy and low cost.Epoxy coated housing can transfer temperature to PCB via UL rated cable accurately.
Features
► High fexiable
► High precision
► Aluminum housing
► Small order acceptted
► Quick response
Application
► Household
► Air conditioner
► Fridge
► Printer
► Washing Machine
Dimension
Material Explanation
NO | Material Name | Item/PN | |||||||||||||||||||||||||||||||||||||||
2-1. | Thermistor | R25=2.2KΩ±1% B25/50=3950K±1% MF52 | |||||||||||||||||||||||||||||||||||||||
2-2. | Lead Wire | UL2651#24AWG*2C 105℃ 300V Black | |||||||||||||||||||||||||||||||||||||||
2-3. | Epoxy Resin | J105/J106B/J05X G108/GU01 Black | |||||||||||||||||||||||||||||||||||||||
2-4. | Shell | Φ5.0×35+30.0 Aluminium Housing |
Part Number
① NTC Thermistor Mark;
② Nomanial resistor is value at 25degree,unit is Ohm,previous two digital representation significant digitsofresistance, third digital representation the number of zero;
③ Resistance tolerance(%);
Sign | E | F | G | H | J | K | X | ||||||||||||||||||||||||||||||
resistance | ±0.5 | ±1.0 | ±2.0 | ±3.0 | ±5.0 | ±10 | Special |
④ B Value constant sign In general, it is value of 25/50Deg,other conditions will remark and explain;
⑤ B Value tolerance sign(%);
Sign | E | F | G | H | J | K | X | ||||||||||||||||||||||||||||||||
B Value | ±0.5 | ±1.0 | ±2.0 | ±3.0 | ±5.0 | ±10 | Special |
⑥ Temperature code of B value caculating;
Sign | A | B | C | D | E | F | G | H | M | N | X | |||||||||||||||||||||||||||||||||
Two temp. spots | 25/50 | 25/ 85 | -20/25 | 0/25 | 0/50 | 0/100 | 5/25 | 25/75 | 25/100 | 100/200 | Special B |
⑦ Length Sign,unit is mm ;
⑧ Head shape sign ;
Sign | A | B | C | ||||||||||||||||||||||
Shape | Shell embedment type | Epoxy resin encapsulate type | Special |
⑨ Difinition code sign
Sign | C | J | T | W | R | X | ||||||||||||||||||||||||||||||||||
Item | Standard | Glue Shell | Shell | Wire | Tube | Special |
Electrical Performances
NO | Item | Sign | Test Conditions | Min. | Normal value | Max. | Unit |
4-1. | Resistance at 25℃ | R25 | Ta=25±0.05℃ PT≦0.1mw | 2.178 | 2.200 | 2.222 | kΩ |
4-2. | B Value | B25/50 | 3910.5 | 3950 | 3989.5 | k | |
4-3. | Dissipation factor | σ | Ta=25±0.5℃ | 2.5 | / | / | mw/℃ |
4-4. | Time constant | τ | Ta=25±0.5℃ | / | / | 20 | sec |
4-5. | Insulation resistance | / | 500VDC | 100 | / | / | MΩ |
4-6. | Withstand voltage test | / | 1500V AC (3mA) | 5 | / | / | Sec |
4-7. | Operating temp.range | / | / | -10 | / | 105 | ℃ |
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 | -10±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 | Drop test | Free fall into concrete floor from height 1m ,10 cycle. | |
5-7 | Vibration test | Frequency range:10~55HZ Total amplitude 1.52mm 1 cycle 1 min ,direction and time X,Y,Z axs 2Hr each. | |
5-8 | Bending test | Bend 180°binding site wire and epoxy resin.Back and forth 10 times |