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 Thermistors

 NTC Thermistors   

MF52
Pearl-Shaped Precision NTC Thermistor for Temperature Measurement
The MF52 series of Pearl-Shaped NTC Thermistors is ethoxyline resin coated. The small size is made possible by new materials and manufacturing methods which provide the benefit of close tolerances and fast response. MF52 thermistors are available with 5 lead styles in standard or custom lengths.

Application
• Heating, Ventilation & Air Conditioning
• Temperature Regulation and Measurement
• Electronic Thermometers
• Liquid Level Sensing
• Automotive Electronics
• Medical Equipment and Apparatus
• Battery Packs and Portable Electronics

Characteristics
• Small Size and fast response
• Available tolerances: ±1%, ±2%, ±3% and ±5%
• Long-term Stability and Reliability
• Excellent Tolerance and Interchangeability
• Available in all popular resistance values
• Dissipation Constant ≥2.0mW/°C
• Time Constant of ≤7 seconds in still air
• Available in custom probes
• UL Listed E240991

MF52 > PDF Tech Info, Schematics and More

UL 1434
Buy From Digi-Key.com

 

Dimensions (mm)

  

A: Tin. Ag. nickel plated cu wire

Code
D
max
L1
max
L2
min
d
+/- 0.05
F
+/- 0.05
A1
2
3
25
0.3
2.0
A2
3
4
25
0.45
2.5


B: Enamelled cu wire

Code
D
max
L1
max
L2
min
L3 +/- 1
d
+/- 0.05
F
+/- 0.05
B1
2
3.5
Customer Specified
5
0.2
2.0
B2
3
4
Customer Specified
5
0.3
2.5


C: High temp fluorin-plastic wire
Code
D
max
L1
max
L2
min
L3+/- 1
d
+/- 0.05
F
+/- 0.05
C1
2
3.5
Customer Specified
5
0.4
  2.0
C2
3
4
Customer Specified
5
0.5
 2.5


D: PVC wire

Code
D
max
L1
max
L2
min
L3+/-1
d
+/- 0.05
F
+/- 0.05
D1
2
3.5
Customer Specified
5
0.26
2.5
D2
3
4
Customer Specified
5
0.32
2.5


E: Lead and head according to specification
Code
D
max
L1
max
L2
min
L3+/- 1
d
+/- 0.05
F
+/- 0.05
E1
Customer Specified
Customer Specified
Customer Specified
5
Customer Specified
2.5
E2
Customer Specified
Customer Specified
Customer Specified
5
Customer Specified
2.5


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
5.0
2.5
3.5

Specification
Main Techno-Parameter

Part No.
Rated Resistance
R25
(KΩ)
B Value
(25/50°C)
(K)
Rated Power(mw)
Dissi. Coef.
(mW/°C)
Thermal time Constant(S)
Operating Temp.(°C)
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°C

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.

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