SRP120 TE Connectivity, SRP120 Datasheet - Page 4

• Manufacturer Part Number: SRP120
• Description: FUSE, PTC RESET, 15V, 1.2A, STRAP
• Manufacturer: TE Connectivity
• Series: SRPr

Specifications of SRP120

• Holding Current: 1.2A
• Tripping Current: 2.7A
• Initial Resistance Max: 0.16ohm
• Operating Voltage: 15VDC
• Ptc Fuse Case: Strap
• Initial Resistance Min: 0.085ohm
• Resistance R1: 0.22ohm
• Rohs Compliant: No

Table B2 - Thermal Derating for Strap Battery Devices [Hold Current (A) at Ambient Temperature (°C)]
Part Number
125˚C Typical Activation
LR4
LR4-170UF
LR4-190F
LR4-190SF
LR4-260F
LR4-260SF
LR4-380F
LR4-380XF
LR4-450F
LR4-550F
LR4-600F
LR4-600XF
LR4-730F
LR4-880SSF
LR4-900F
LR4-1300SSF
SRP
SRP120F
SRP120LF
SRP120SF
SRP175F
SRP175LF
SRP175SF
SRP175SSF
SRP200F
SRP350F
SRP420F
Figure B1 - Thermal Derating Curve
200
180
160
140
120
100
80
60
40
20
– 50
0
– 40
E
D
C
B
A
Maximum Ambient Temperature
-40°C
Amps
2.5
2.8
2.8
3.8
3.8
5.4
5.4
6.5
7.6
8.7
8.7
10.5
12.3
12.7
17.9
1.9
1.9
1.9
2.5
2.5
2.5
2.5
3.1
5.3
6.3
– 30
-20°C
2.2
2.5
2.5
3.4
3.4
4.9
4.9
5.8
6.9
7.8
7.8
9.5
11.0
11.4
16.2
1.7
1.7
1.7
2.2
2.2
2.2
2.2
2.8
4.8
5.7
– 20
– 10
0°C
2.0
2.3
2.3
3.1
3.1
4.4
4.4
5.3
6.2
7.1
7.1
8.6
9.8
10
14.5
1.5
1.5
1.5
2.0
2.0
2.0
2.0
2.5
4.3
5.1
0
20°C
1.7
1.9
1.9
2.6
2.6
3.8
3.8
4.5
5.5
6.0
6.0
7.3
8.8
9.0
13.0
1.2
1.2
1.2
1.75
1.75
1.75
1.75
2.0
3.5
4.2
Temperature (°C)
10
25°C
1.64
1.86
1.86
2.54
2.54
3.64
3.64
4.38
5.32
5.86
5.86
7.13
8.3
8.5
12.4
1.17
1.17
1.17
1.68
1.68
1.68
1.68
1.97
3.44
4.11
20
30
40°C
1.4
1.6
1.6
2.2
2.2
3.3
3.3
3.9
4.7
5.2
5.2
6.3
7.4
7.5
11.1
1.0
1.0
1.0
1.4
1.4
1.4
1.4
1.7
3.0
3.6
40
50°C
1.3
1.5
1.5
2.0
2.0
3.0
3.0
3.6
4.3
4.7
4.7
5.7
6.8
6.8
10.3
0.9
0.9
0.9
1.3
1.3
1.3
1.3
1.5
2.7
3.3
50
60°C
1.2
1.4
1.4
1.9
1.9
2.8
2.8
3.3
4.0
4.4
4.4
5.4
6.2
6.2
9.5
0.8
0.8
0.8
1.2
1.2
1.2
1.2
1.4
2.5
3.0
60
70
70°C
1.0
1.2
1.2
1.7
1.7
2.5
2.5
2.9
3.6
3.9
3.9
4.7
5.5
5.5
8.6
0.6
0.6
0.6
1.0
1.0
1.0
1.0
1.2
2.1
2.6
E
80
80°C
0.9
1.1
1.1
1.4
1.4
2.3
2.3
2.6
3.2
3.4
3.4
4.2
4.8
4.9
7.7
0.5
0.5
0.5
0.9
0.9
0.9
0.9
1.0
1.8
2.2
C
A
D
B
90
A = LR4
B = SRP
C = LTP
D = VTP , VLP
E = VLR
85°C
0.8
1.0
1.0
1.3
1.3
2.1
2.1
2.4
3.0
3.2
3.2
4.0
4.5
4.5
7.2
0.4
0.4
0.4
0.8
0.8
0.8
0.8
0.9
1.7
2.1
...
Cont'd
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