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SPMD250STP Datasheet(PDF) 25 Page - STMicroelectronics

Part # SPMD250STP
Description  2.5 A bipolar stepper motor drive module
PDF  29 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SPMD250STP Datasheet(HTML) 25 Page - STMicroelectronics

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SPMD250STP
Thermal operating conditions
25/29
Equation 6
The following table gives the thermal resistance of some commercially available heath-sinks
that fit on the SPMD250STP module.
Table 5.
Thermal resistance
Manufacturer
Part number
Rth (°C/W)
Mounting
Thermalloy
6177
3
Horizontal
Thermalloy
6152
4
Vertical
Thermalloy
6111
10
Vertical
Fischer
SK18
3
Vertical
Assman
V5440
4
Vertical
Assman
V5382
4
Horizontal
Rth
hs
R
th
R
th
tot
⋅
R
th
R
th
tot
–
----------------------------
53.9
⋅
53.9
–
-----------------
17.7
°C
==
=



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