2920L250DR Littelfuse Inc, 2920L250DR Datasheet - Page 2
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2920L250DR
Manufacturer Part Number
2920L250DR
Description
PTC RESETTABLE 15V 2.5A SMD 2920
Manufacturer
Littelfuse Inc
Series
POLYFUSE® 2920Lr
Specifications of 2920L250DR
Package / Case
2920
R Min/max
0.035 ~ 0.085 Ohm
Voltage - Max
15V
Time To Trip
10s
Current - Hold (ih) (max)
2.5A
Current - Trip (it)
5A
Current - Max
40A
Hold Current
2.5 Amps
Trip Current
5 Amps
Current Rating (max)
40 Amps
Resistance
0.085 Ohms
Maximum Voltage
15 VoltsDC
Termination Style
SMD/SMT
Mounting Style
SMD/SMT
Current Rating
40 Amps
Dimensions
6.73 mm L x 4.8 mm W
Operating Temperature Range
- 40 C to + 85 C
Holding Current
2.5A
Tripping Current
5A
Initial Resistance Max
0.085ohm
Operating Voltage
15VDC
Ptc Fuse Case
2920
Initial Resistance Min
0.035ohm
Resistance R1
0.085ohm
Length
7.36mm
Rohs Compliant
Yes
External Depth
1mm
Fuse Terminals
SMD Caps
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
2920L250DR
F2873TR
F2873TR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
2920L250DR
Manufacturer:
LITTLEFUSE
Quantity:
40 000
Company:
Part Number:
2920L250DR
Manufacturer:
LITTLEFUSE
Quantity:
55 000
Company:
Part Number:
2920L250DR
Manufacturer:
Murata
Quantity:
21 550
Part Number:
2920L250DR
Manufacturer:
LITTELFUSE/力特
Quantity:
20 000
The average time current curves and Temperature Rerating curve performance is affected
by a number or variables, and these curves provided as guidance only. Customer must
verify the performance in their application.
2920L Series
Temperature Rerating
Average Time Current Curves
Part Number
2920L075/60
2920L200/24
2920L300/15
1000
2920L030
2920L050
2920L075
2920L100
2920L125
2920L150
2920L185
2920L200
2920L250
2920L260
2920L300
0.10
100
10
1
0.1
Current in Amperes
1
-40°C
0.45
0.76
2.27
2.80
3.02
3.14
3.78
3.64
4.53
4.20
1.13
1.13
1.66
1.89
POLY-FUSE
-20°C
0.40
0.67
2.01
2.47
2.68
2.77
3.35
3.25
4.02
3.85
1.01
1.01
1.47
1.68
10
Surface Mount > 2920L Series
2920L
0.35
0.59
0.88
0.88
2.17
2.34
2.42
2.93
2.91
3.51
3.44
1.29
1.46
1.76
0°C
100
®
Revised: February 13, 2011
Resettable PTCs
Ambient Operation Temperature
23°C
0.30
0.50
0.75
0.75
2.00
2.00
2.50
2.60
3.00
3.00
1.10
1.25
1.50
1.85
52
Hold Current (A)
Temperature Rerating Curve
170%
150%
130%
110%
40°C
90%
70%
50%
30%
10%
0.25
0.42
0.62
0.62
0.91
2.08
2.26
2.52
2.69
1.04
1.25
1.54
1.66
1.73
-40 -30 -20
Please refer to www.littelfuse.com/series/2920L.html for current information.
50°C
0.23
0.38
0.56
0.56
0.83
0.94
2.08
2.26
2.50
1.13
1.39
1.50
1.56
1.88
-10
0
10
Specifications are subject to change without notice.
60°C
0.20
0.33
0.50
0.50
0.73
0.83
2.31
1.00
1.22
1.32
1.38
1.65
1.95
1.99
Temperature (°C)
20
30
40
70°C
0.29
0.44
0.44
0.64
0.73
0.87
2.12
0.17
1.07
1.16
1.20
1.45
1.75
1.74
50
60
© 2010 Littelfuse, Inc.
70
85°C
0.14
0.23
0.34
0.34
0.50
0.56
0.74
0.85
0.90
0.98
1.48
1.34
1.83
1.13
80 85