at431un-gre Aimtron Technology, at431un-gre Datasheet - Page 11

• Manufacturer Part Number: at431un-gre
• Description: 1.24v Low-voltage Adjustable Precision Shunt Regulator
• Manufacturer: Aimtron Technology

Preheat
Tsmax to T L
Time maintained above:
Peak Temperature(T P )
Time
Temperature (t P )
Ramp-down Rate
Time 25°C to Peak Temperature
-Temperature Min(Tsmin)
-Temperature Max (Tsmax)
-Time (min to max)(ts)
-Ramp-up Rate
-Temperature (T L )
-Time (t L )
within
Average ramp-up rate
Reflow Profiles
*All temperatures refer to topside of the package, measured on the package body surface.
7F, No.9, PARK AVENUE II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone]
2/8/2006 REV:1.1
Profile Feature
(T L to T P )
5°C
of
actual
Peak
or Pkg. volume ≥350mm
Pkg. thickness ≥2.5mm
Fax: [phone]
10-30 seconds
Large Body
225+0/-5°C
Sn-Pb Eutectic Assembly
3°C/second max.
6°C/second max.
60-120 seconds
60-150 seconds
6 minutes max.
100°C
150°C
183°C
3
1.24V Low-Voltage Adjustable Precision
or Pkg. volume <350mm
Pkg. thickness <2.5mm
11
10-30 seconds
Small Body
240+0/-5°C
Preliminary Product Information
WWW:
Email:
3
Pkg. thickness ≥2.5mm or
Pkg. volume ≥350mm
http://www.aimtron.com.tw
[e-mail]
10-30 seconds
Large Body
245+0/-5°C
Shunt Regulator
Pb-Free Assembly
3°C/second max.
3°C/second max.
3°C/second max.
60-180 seconds
60-150 seconds
8 minutes max.
150°C
200°C
217°C
AT431
3
or Pkg. volume ≥350mm
Pkg. thickness ≥2.5mm
20-40 seconds
Small Body
250+0/-5°C
3