Internet Data Sheet
HYB18T512161BF–20/22/25/28/33
512-Mbit Double-Data-Rate-Two SDRAM
7.2
Package Thermal Characteristics
TABLE 35
Package thermal characteristics
JESD51
Theta_jA1)
Theta_jC2)
Industrial standard 1s0p
Board
2s0p
Air Flow
0 m/s
69
1 m/s
53
3 m/s
47
0 m/s
41
1 m/s
35
3 m/s
33
—
5
Rth[K/W]
1) Junction to Ambient thermal resistance. The value has been obtained by simulation using the conditions stated in the Industrial standard
JESD-51 standard.
2) Junction to Case thermal resistance. The value has been obtained by simulation.
Rev. 1.43, 2006-11
37
03292006-L40N-L04G