SMD050-2 Tyco Electronics, SMD050-2 Datasheet - Page 9

• Manufacturer Part Number: SMD050-2
• Description: POLYSWITCH 0.50A HOLD SMD
• Manufacturer: Tyco Electronics
• Series: PolySwitch®r

Specifications of SMD050-2

• R Min/max: 0.350 ~ 1.400 Ohm
• Voltage - Max: 60V
• Time To Trip: 4s
• Current - Hold (ih) (max): 500mA
• Current - Trip (it): 1A
• Current - Max: 10A
• Package / Case: Non-Standard SMD
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: SMD050; SMD050CT

Table S2-B.Thermal Derating for
continued
Part Number
Lead-free SMD Series
Size 5050 mm/2018 mils
SMD030F-2018
SMD050F-2018
SMD100F-2018
SMD150F-2018
SMD200F-2018
Lead-free SMD Series
Size 7555 mm/2920 mils
SMD030F
SMD050F
SMD075F
SMD075F/60
SMD100F
SMD100F/33
SMD125F
SMD260F
SMD300F
Lead-free SMD2 Series
Size 8763 mm/3425 mils
SMD150F
SMD150F/33
SMD185F
SMD200F
SMD250F
Thermal Derating Curves for Surface-mount Devices*
*Refer to Telecom and Networking section for thermal derating of Telecom parts.
Raychem Circuit Protection
A = nanoSMD/microSMD/miniSMD & SMD
B = miniSMDE190
C = SMDH160
200
180
160
140
120
100
80
60
40
20
0
-40˚C
Maximum Ambient Temperature
– 60
0.48
0.86
1.59
2.21
2.81
0.44
0.73
1.11
1.11
1.59
1.48
1.89
3.82
4.13
2.30
2.30
2.54
3.01
3.72
– 40
-20˚C
Lead-free
B
A
C
0.42
0.77
1.43
1.97
2.54
0.39
0.65
0.99
0.99
1.43
1.35
1.68
3.41
3.75
2.04
2.04
2.29
2.67
3.31
– 20
Figure S1. Thermal Derating Curve
0.35
0.70
1.20
1.70
2.27
0.32
0.55
0.84
0.84
1.20
1.20
1.50
2.90
3.30
1.80
1.80
2.20
2.30
2.80
0˚C
Surface-mount Devices [Hold Current (A) at Ambient Temperature (°C)]
Figure S1. Thermal Derating Curve
Ambient Temperature (°C)
20˚C
0.30
0.55
1.10
1.50
2.00
0.30
0.50
0.75
0.75
1.10
1.10
1.25
2.60
3.00
1.50
1.50
1.85
2.00
2.50
0
25˚C
0.28
0.53
1.03
1.43
1.93
0.28
0.47
0.71
0.71
1.03
1.06
1.21
2.45
2.87
1.45
1.45
1.80
1.90
2.35
20
40˚C
0.24
0.48
0.94
1.26
1.73
0.26
0.43
0.63
0.63
0.94
0.98
1.04
2.19
2.62
1.23
1.23
1.55
1.66
2.09
40
50˚C
0.21
0.43
0.85
1.15
1.59
0.23
0.39
0.57
0.57
0.85
0.91
0.93
1.99
2.43
1.10
1.10
1.43
1.50
1.89
60
PolySwitch Surface-mount Resettable Devices
60˚C
80
0.17
0.38
0.72
1.00
1.46
0.19
0.33
0.49
0.49
0.72
0.83
0.85
1.70
2.25
0.99
0.99
1.31
1.30
1.60
C
A
B
100
70˚C
0.15
0.36
0.69
0.91
1.32
0.18
0.31
0.45
0.45
0.69
0.79
0.71
1.58
2.00
0.83
0.83
1.19
1.16
1.48
80˚C
0.12
0.29
0.61
0.79
1.19
0.17
0.28
0.39
0.39
0.61
0.73
0.61
1.38
1.87
0.70
0.70
1.06
0.99
1.28
Surface-mount
85˚C
0.10
0.26
0.57
0.73
1.12
0.15
0.26
0.36
0.36
0.57
0.69
0.55
1.28
1.78
0.63
0.63
1.00
0.91
1.18
125˚C
195
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