Dongguan Tianrui Electronics Co., Ltd
Dongguan Tianrui Electronics Co., Ltd
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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 |