RP102N301B-TR-FE 查看數據表（PDF） - RICOH Co.,Ltd.
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RP102N301B-TR-FE Datasheet PDF : 30 Pages
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RP102x
NO.EA-141-160705
Power Dissipation (SOT-23-5)
This specification is at mounted on board. Power Dissipation (PD) depends on conditions of mounting on
board. This specification is based on the measurement at the condition below:
(Power Dissipation (SOT-23-5) is substitution of SOT-23-6.)
Measurement Conditions
Environment
Board Material
Board Dimensions
Copper Ratio
Through-holes
Standard Test Land Pattern
Mounting on Board (Wind velocity=0m/s)
Glass cloth epoxy plastic (Double sided)
40mm * 40mm * 1.6mm
Top side: Approx. 50%, Back side: Approx. 50%
0.5mm * 44pcs
Measurement Result
Power Dissipation
Thermal Resistance
Standard Test Land Pattern
420mW(Tjmax=125C)
525mW(Tjmax=150C)
ja = (125-25C)/0.42W= 263C/W
(Ta=25C)
Free Air
250mW(Tjmax=125C)
400C/W
600
525
40
500
On Board
400 420
300 250
200
Free Air
100
0
0
25
50
75 85 100 125 150
Ambient Temperature (°C)
Power Dissipation
Measurement Board Pattern
IC Mount Area (Unit: mm)
The above graph shows the Power Dissipation of the package based on Tjmax=125C and Tjmax=150C.
Operating the IC in the shaded area in the graph might have an influence it's lifetime.
Operating time must be within the time limit described in the table below, in case of operating in the shaded area.
Operating Time
Estimated years
(Operating four hours/day)
2,300 hours
1.5years
27
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