zt490leep ywyn Corporation, zt490leep Datasheet - Page 12

• Manufacturer Part Number: zt490leep
• Description: Low Power 5v 250kbps/10mbps Rs485e Transceivers
• Manufacturer: ywyn Corporation

Zywyn Green Packages are Pb-free and RoHS compliance.
Green Package SMD IR Refl ow Profi le Information
Zywyn Corporation
IR Reflow Profile Conditions
Average Ramp-Up Rate
(T
Pre-heat
Time maintained above:
Peak/Classification
Temperature (T
Time within 5
Temperature (t
Ramp-Down Rate
Time 25
Temperature
- Temperature Min (T
- Temperature Max (T
- Time (T
- Temperature (T
- Time (t
Smax
Z ywyn
to T
o
Profile Feature
C to Peak
L
Smin
)
P
)
to t
o
C of actual Peak
P
P
)
)
Smax
L
)
)
Smin
Smax
)
)
12
JESD Pb-free Assembly
3
6
60~180 seconds
60~150 seconds
o
8 minutes max.
20~40 seconds
o
C/seconds max.
255
C/second max.
o
150
200
217
C+5/-0
o
o
o
C
C
C
o
C
Specifi cations subject to change without notice
August 2007
ZT4xxE
rev. 1.5