Active Member
|
[China]
Address: NO.27,Jinlanling Street,Taigongling Village Dongguan 523829,Guangdong,China
Contact name:Eric
Aolittel Technology Co.,Ltd |
|
|
Universal Pearl-Shaped Precision Epoxy-resin Coated NTC Thermistor MF52A1 103F3950F 10KOhm For Temperature Measurement
Description
Ao littel MF52 series NTC Thermistor is small size ,ethoxyline resin coated with high precision and quick reaction .MF52 thermistors are available with 5 lead styles in standard or custom lengths,suitable for normal temperature sensors having self-subsistence due to strong lead strength & wide temperature range based on chip NTC.
______________________________________________________________________________
Download________
| NTC Thermistor Family Member | ||
| NO | Series | Description |
| 1 | MF72 | Power ICL |
| 2 | MF73T-1 | High power |
| 3 | MF73/MF74 | Super-high power |
| 4 | MF57 | For Automobile |
| 5 | MF11 | Compensation |
| 6 | CMF | Surface mount |
| 7 | MF51 | Radial glass |
| 8 | MF51E | Enamelled wire For thermometer |
| 9 | MF52 | Pearl type temp measurement |
| 10 | MF54 | Plastic resin doide type |
| 11 | MF55 | Thin film type |
| 12 | MF58 | Axial glass encapsulation |
| 13 | MF59 | MELF SMD Glass Shell |
| 14 | CWF | Precision NTC temp sensor |
Features
Long time stability and reliability
High B value
Nice consistency and interchangeability
Wide resistance range:0.1~500KΩ
Wide operating temperature range: -55 ~ +125℃
Provides extremely precise temperature sensing.
Compatible with 1005 (1.0mm x 0.5mm) size NTC Thermistor.
Produced with an automation line that was consistent from lead to packaging so that a product of uniform quality may be obtained at low cost in large quantities.
Since this product has strong lead intensity with original lead mounting technique, it is bent at the time of use and can withstand processing, etc., readily. Taping package can be supported.
Multiple leads materials selection including Tinned copper wire, Enamelled cu wire, Florin-plastic wire, PVC wire etc.
Customized leads length choice
Applications
Home appliance such as air conditioner, refrigerator, deep freezer,
soybean milk machine, bread machine, drinking machine.
Temperature regulation and measurement
Electronic thermometers
Liquid level sensing
Medical equipment and apparatus
Temperature control instrument.
Electronic present.
Electronic temperature humidity meter.
Automobile temperature measurement.
Electronic table calendar.
Battery pack and battery charger.
Specification
B25/50:3950K(3380K ~ 4150K)
Mounting Type:Through Hole
Operating Temperature:-55°C ~ 125°C
Package / Case:Bead
Packaging:Bulk
Power - Max:50mW
Resistance in Ohms @ 25°C: 10KOhm (1.5k ~ 220k)
| Part No. | Rated Resistance R25 (KΩ) | B Value (25/50℃) (K) | Rated Power(mw) | Dissi. Coef. (mW/℃) | Thermal time Constant(S) | Operating Temp.(℃) |
| MF523100 MF523270 MF523380 MF523470 MF523600 MF523950 MF524000 MF524050 MF524150 MF524300 MF524500 | 0.1-20 0.2-20 0.5-50 0.5-50 1-100 5-100 5-100 5-200 10-250 20-1000 20-1000 | 3100 3270 3380 3470 3600 3950 4000 4050 4150 4300 4500 | ≤ 50 | ≥ 2.0 In Still Air | ≤ 7 In Still Air | -55℃ - +125℃ |
Remark:
* B Value (25/50C) error is ±1% for components with rated
resistance tolerance of ±1% and ±2% for all others.
Notice:* The two ends of the lead wire cannot endure too big pull
because of the small size and soldered spot in series of MF52.*
Solder at least 5mm from the bottom of wire.
Dimension (Unit:mm)
A: Tin. Ag. nickel plated cu wire
| Code | D max | L1 max | L2 min | d +/- 0.05 | F +/- 0.5 |
| A1 | 2.5 | 4.0 | 25 | 0.3 | 1.7 |
| A2 | 3 | 4.5 | 25 | 0.45 | 2.2 |
B: Enamelled cu wire
| Code | D max | L1 max | L2 min | L3+/- 1 | d +/- 0.05 |
| B1 | 2 | 3.5 | Customer Specified | 3 | 0.2 |
| B2 | 3 | 4 | Customer Specified | 3 | 0.3 |
C: High temp fluorin-plastic wire
| Code | D max | L1 max | L2 min | L3+/- 1 | d +/- 0.05 |
| C1 | 3 | 7.5 | Customer Specified | 5 | 0.26 |
| C2 | 4 | 7.5 | Customer Specified | 5 | 0.32 |
E: Lead and head according to specification
| Code | D max | L1 max | L2 min | L3+/- 1 | d +/- 0.05 |
| E1 | Customer Specified | Customer Specified | Customer Specified | 5 | Customer Specified |
| E2 | Customer Specified | Customer Specified | Customer Specified | 5 | Customer Specified |
F: Tinned Lead-Frame Style
| Code | D max | L1 max | L2 +/- 1.5 | d max | F +/- 0.5 | Tmax |
| F | 3.8 | 9.5 | 17 | 0.5 | 2.5 | 3.5 |
Mechanical Requirements
| Item | Requirements | Test Method |
| 1.Solder-ability | The terminals shall be uniformly tinned, and its area≥95% | Dipping theNTC terminals to a depth of 15mm in a soldering bath of 245±5℃ and to the place of 6mm far from NTC body for 3±0.5s (See IEC68-2-20 /GB2423.28 Ta ) |
| 2.Resistance To Soldering Heat | No visible mechanical damage. ΔR/RN ≤20% (ΔR =∣RN-RN'∣) | Dipping the NTC terminals to a depth of 15mm in a soldering bath of 260±5℃ and to the place for 6mm below from NTC body for 3±0.5s.After recovering4-5h under 25±2℃. The rated zero power resistance value RN' shall be measured. (See IEC68-2-20 /GB2423.28 Tb) |
| 3.Strength of lead terminal | No break out ΔR/RN ≤20% (ΔR =∣RN-RN'∣) | Fasten the body and apply a force gradually to each lead until 10N and then keep for 10sec, Hold body and apply a force to each lead until 90°slowly at 5N in the direction of lead axis and then keep for 10sec, and do this in the opposite direction repeat for other terminal. After recovering 4~5h under 25±2℃, the rated zero power resistance value RN' shall be measured. (See IEC68-2-21/GB2423.29 Ua / Ub) |
Reliability Test
| Item | Requirements | Test Method |
| 1.Temp. Cycling Testing | No visible mechanical damage. ΔRN / RN ≤20% (ΔR =∣RN-RN'∣) | Ta:-40±3℃/ 30min→25±2℃/ 5min→ Tb:160±3℃/ 30min→25±2℃/ 5min Cycles: 5times After recovering 4~5 h under 25±2℃, the rated zero power resistance value RN' shall be measured. |
| 2.Electrical Cycling Testing | Ambient temp. Range:25℃±2℃. Cycles: 2,000times On / Off: 5 s / 55 s Test Current: 7A After recovering 4~5h under 25±2℃, the rated zero power resistance value RN' shall be measured. | |
| 3.LoadLife ( Endurance ) Testing | Ambient temp. Range:25℃±2℃; 7A/ 1,000±24h After recovering 4~5 h under 25±2℃, the rated zero power resistance value RN' shall be measured. | |
| 4. Humidity Testing | No visible mechanical damage. ΔRN / RN ≤20% (ΔR =∣RN-RN'∣) | Ambient temp. range : 40℃±2℃ R.H.:93±3% , Energized time:1000±24 h After recovering 4~5 h under 25±2℃, the rated zero power resistance value RN' shall be measured. |
Package
Bulk Packaging:
| Packing | Packing method |
| Bulk | 500pcs/polybag |
STORAGE CONDITIONS:
Do not exposing the components to the following conditions, otherwise, it may result in deterioration of characteristics.
1) Corrosive gas or deoxidizing gas.
2) Flammable and explosive gases.
3) Oil, water and chemical liquid.
4) Under the sunlight
