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Ametherm SL322R025 Cross High Power Inrush Current Limiter MF73T-1 2/25 NTC Thermistor 2Ohm 25A 3300uF 5W 35mm Dia

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Ametherm SL322R025 Cross High Power Inrush Current Limiter MF73T-1 2/25 NTC Thermistor 2Ohm 25A 3300uF 5W 35mm Dia

Model Number : MF73T-1 2/25

Certification : CQC,TUV

MOQ : 500PCS

Price : US Dollar 2 to 5 Per Pieces

Payment Terms : T/T, Western Union

Supply Ability : 1000,000 Pieces Per Month

Delivery Time : 1-4 Weeks

Packaging Details : Bulk

Type : MF73T-1 2/25 High Power NTC Thermistor

Part Number : MF73T-1 2/25

Resistance @ 25°C : 2Ω±20%

B-value : 2600±10%

Maximum steady-state current : 25A

Max.Capacitance : 3300uF @240Vac

Dissipation Constant : 45mW/℃

Thermal time constant : 280 Sec

Operating Temp : -40℃ ~ 200℃

Max. Rated Power : 5.0W

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Ametherm SL322R025 Cross High Power Inrush Current Limiter MF73T-1 2/25 NTC Thermistor 2Ohm 25A 3300uF 5W 35mm Dia

Description

Power NTC Thermistor The MF73T-1 series Power NTC Thermistors provide inrush current suppression for sensitive electronics such as power supplies,UPS,inverters etc. Connecting a MF73T-1 in series with the power source will limit the current surges typically created at turn on.

________________________________________________________________________Ametherm SL322R025 Cross High Power Inrush Current Limiter MF73T-1 2/25 NTC Thermistor 2Ohm 25A 3300uF 5W 35mm Dia Download_______

Application


• High power switching power supplies, Power conversion, UPS power.
• High power battery charger, electric vehicle battery charger.
• High power LED light, high power electronic energy saving lamps and other lamps.

Specification for MF73T-1 2/25

Product Name High Power Inrush Current Limiter NTC Thermistor
Part Number MF73T-1 2/25
Dimension

Ametherm SL322R025 Cross High Power Inrush Current Limiter MF73T-1 2/25 NTC Thermistor 2Ohm 25A 3300uF 5W 35mm Dia

D=41mm max F: 18±1.5mm
L1:min.25mm T: 12mm Max.
d: 2.0±0.05
Lead material Tin plated copper wire
Coating Silicone resin
Zero Power Resistance at 25C 2Ω±20%
B Value 25/50 2600±10%
Maximum steady-state current 25A
Max. Capacitance 240Vac 3300uF
Thermal dissipation Coefficient 45mW/℃
Thermal time constant 280 Sec
Withstand voltage 500V/AC 1min No breakdown or flashover
Insulation resistance 500V/DC 1min ≥500MΩ
Operating temperature -40℃ ~ 200℃
Maximum rated power 5.0W

Matters need attention

1 This product USES: Inhibition of surge current;

2 When the soldering iron welding, the welding place at least 2 mm space from coating layer and the welding temperature should be lower than 360 ℃, welding time < 3 ses
3Storage temp:-10℃ ~ 40℃;storage humidity :≤75% RH;
4 Avoid air corrosion or sunlight
5 Remake sealed storage after package opening.

6 Shelf life: 1 year

Characteristics


• Small size, high power, reliable surge current protection.
• High material constant (B value),
• Low residual resistance
• High steady state current, long lasting, high reliability
• Convenient for PCB installation, wide operating range

MF73T-1 Series NTC Thermistor Part numbering

Ametherm SL322R025 Cross High Power Inrush Current Limiter MF73T-1 2/25 NTC Thermistor 2Ohm 25A 3300uF 5W 35mm Dia

MF73T-1 Series NTC Thermistor Dimension (mm)

Ametherm SL322R025 Cross High Power Inrush Current Limiter MF73T-1 2/25 NTC Thermistor 2Ohm 25A 3300uF 5W 35mm Dia

D15 D20 D25 D30 D35
Chip Dimensions ø 15 ø 20 ø 25 ø 30 ø 35
(Dmax) 17.5 22.5 29 36 41
Overall Diameter (mm)
(Tmax) 6 7 8 8.5 10
Thickness (mm)
(F ± 1.5) 7.5 10 10 10 * 18 18
Pitch (mm)
(d ± 0.05) 0.8 1 1 1.2 * 1.6 1.8 * 2.0
Dia of Leads (mm)
(L) min 25 25 25 25 25
Length of Leads (mm)
(L1) min 17 17 17
Length of Leads (mm)
Standard Leads (I) (II) (II) (II) (II)
Figure Inside kink Straight Straight Straight Straight
Optional Leads (II) (III) (III)
Figure Straight Outside kink Outside kink
Weight (g). 3.1 6.2 8.8 20.5 28.8
Approx

Illustration:In general, the long bent lead wire is used, see figure II * Standard

MF73T-1 Series NTC Thermistor Technical Specifications

Working Temperature: -55~200℃

Part NO.
MF73T-1
Res +20%
(Ω)
Max. Steady
State Current
lmax (A)
Approx. R
of MaxCurrent
Rmax (Ω)
ø15mm Chip Diameter MF73T-1 Series NTC Thermistor
Max Rated Power Pmax (W): 3.5
Dissipation Coefficient (mW/†C): ≥ 22
Thermal Time Constant (S): ≤ 75
1.3/10 1.3 10 0.034
1.5/10 1.5 10 0.036
2.5/9.5 2.5 9.5 0.044
5/8 5 8 0.058
6/7 6 7 0.069
7/7 7 7 0.078
8/7 8 7 0.084
10/7 10 7 0.098
12/6 12 6 0.116
15/6 16 6 0.129
20/6 20 6 0.136
30/5 30 5 0.165
47/4 47 4 0.257
120/2.5 120 2.5 0.652

Part NO.
MF73T-1
Res +20%
(Ω)
Max. Steady
State Current
lmax (A)
Approx. R
of MaxCurrent
Rmax (Ω)
ø20mm Chip Diameter MF73T-1 Series NTC Thermistor
Max Rated Power Pmax (W): 5.0
Dissipation Coefficient (mW/†C): ≥ 28
Thermal Time Constant (S): ≤ 110
0.7/16 0.7 16 0.026
1/16 1 16 0.027
1.5/15 1.5 15 0.030
2/14 2 14 0.035
2.5/13 2.5 13 0.038
3/12 3 12 0.040
4/12 4 12 0.043
4.7/12 4.7 12 0.046
5/12 5 12 0.047
6/11 6 11 0.052
6.8/10 6.8 10 0.055
7/9 7 9 0.056
10/8 10 8 0.085
12/7.5 12 7.5 0.098
15/7 15 7 0.112
18/7 18 7 0.123
20/7 20 7 0.132

Part NO.
MF73T-1
Res +20%
(Ω)
Max. Steady
State Current
lmax (A)
Approx. R
of MaxCurrent
Rmax (Ω)
ø25mm Chip Diameter MF73T-1 Series NTC Thermistor
Max Rated Power Pmax (W): 7.0
Dissipation Coefficient (mW/†C): ≥ 30
Thermal Time Constant (S): ≤ 130
0.5/22 0.5 22 0.017
0.7/22 0.7 22 0.017
1/20 1 20 0.021
1.5/19 1.5 19 0.024
2/18 2 18 0.026
2.5/16 2.5 16 0.029
3/15.5 3 15.5 0.032
4/15 4 15 0.039
4.7/14 4.7 14 0.044
5/14 5 14 0.047
6.8/12 6.8 12 0.061
7/11 7 11 0.064
8/10 8 10 0.079
10/10 10 10 0.084
12/9 12 9 0.102
15/8 15 8 0.117
18/8 18 8 0.132
20/8 20 8 0.132

Part NO.
MF73T-1
Res +20%
(Ω)
Max. Steady
State Current
lmax (A)
Approx. R
of MaxCurrent
Rmax (Ω)
ø30mm Chip Diameter MF73T-1 Series NTC Thermistor
Max Rated Power Pmax (W): 8.0
Dissipation Coefficient (mW/†C): ≥ 40
Thermal Time Constant (S): ≤ 190
0.5/30 0.5 30 0.013
1/30 1 30 0.014
1.5/25 1.5 25 0.016
2/23 2 23 0.019
2.5/20 2.5 20 0.023
3/19.5 3 19.5 0.026
4/19 4 19 0.031
4.7/18 4.7 18 0.035
5/17 5 17 0.037
6.8/16 6.8 16 0.043
7/15 7 15 0.044
8/14 8 14 0.049
10/13 10 13 0.056
12/12 12 12 0.067
15/11 15 11 0.078
18/10 18 10 0.092
29/9 20 9 0.113

Part NO.
MF73T-1
Res +20%
(Ω)
Max. Steady
State Current
lmax (A)
Approx. R
of MaxCurrent
Rmax (Ω)
ø35mm Chip Diameter MF73T-1 Series NTC Thermistor
Max Rated Power Pmax (W): 9.0
Dissipation Coefficient (mW/†C): ≥ 55
Thermal Time Constant (S): ≤ 280
0.5/32 0.5 32 0.01
1/32 1 32 0.011
1.5/28 1.5 28 0.013
2/25 2 25 0.017
2.5/23 2.5 23 0.020
3/22 3 22 0.023
4/21 4 21 0.026
4.7/20 4.7 20 0.029
5/19 5 19 0.030
6.8/18 6.8 18 0.035
7/17 7 17 0.037
8/16 8 16 0.041
10/15 10 15 0.045
12/14 12 14 0.051
15/13 15 13 0.060
18/11 18 11 0.072
20/10 20 10 0.089

Product Tags:

negative temperature coefficient thermistor

      

ntc thermistor sensor

      
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