Classification Reflow Profile for SMT components:
Classification Reflow Soldering Profile:
Profile Feature
Value
Ts min 150 °C
Ts max 200 °C
Preheat Temperature Min
Preheat Temperature Max
Preheat Time ts from Ts min to Ts max
Ramp-up Rate (TL to TP)
Tp
ts
max. 60 - 120 seconds
TC –5°C
tp
Max. Ramp Up Rate
3 °C/ second max.
217 °C
Max. Ramp Down Rate
Liquidous Temperature
TL
tL
Time tL maintained above TL
Peak package body temperature
Time within 5°C of actual peak temperaure
Ramp-down Rate (TL to TP)
Time 25°C to peak temperature
max. 60 seconds
see table
TL
tL
Tp
t p
Ts max
Preheat Area
max. 10 seconds
6 °C/ second max.
max. 220 seconds
Ts min
refer to IPC/ JEDEC J-STD-020E
tS
Package Classification Reflow Temperature:
Volume mm³
<350
Volume mm³
350-2000
Volume mm³
>2000
Properties
PB-Free Assembly | Package Thickness < 1.6 mm
260 °C
260 °C
250 °C
245 °C
260 °C
245 °C
245 °C
25
PB-Free Assembly | Package Thickness 1.6 mm - 2.5 mm 260 °C
Time 25°C to Peak
PB-Free Assembly | Package Thickness ≥ 2.5 mm
Applied cycles
250 °C
Time
2 cycles max.
refer to IPC/ JEDEC J-STD-020E
CREATED
CHECKED
GENERAL TOLERANCE
PROJECTION
METHOD
Würth Elektronik eiSos GmbH & Co. KG
EMC & Inductive Solutions
KaS
ZAn
DIN ISO 2768-1m
Max-Eyth-Str. 1
DESCRIPTION
74638 Waldenburg
Germany
Tel. +49 (0) 79 42 945 - 0
WL-SIMW SMD Infrared Ceramic
Waterclear
ORDER CODE
www.we-online.com
eiSos@we-online.com
15435385A9050
SIZE
REVISION
STATUS
DATE (YYYY-MM-DD)
BUSINESS UNIT
PAGE
001.000
Valid
2015-11-10
eiPal
7/9
3535
This electronic component has been designed and developed for usage in general electronic equipment only. This product is not authorized for use in equipment where a higher safety standard and reliability standard is especially required or where a failure of the product is reasonably expected to cause severe personal injury or death, unless the parties have executed an agreement specifically governing such use. Moreover Würth Elektronik eiSos GmbH
& Co KG products are neither designed nor intended for use in areas such as military, aerospace, aviation, nuclear control, submarine, transportation (automotive control, train control, ship control), transportation signal, disaster prevention, medical, public information network etc.. Würth Elektronik eiSos GmbH & Co KG must be informed about the intent of such usage before the design-in stage. In addition, sufficient reliability evaluation checks for safety
must be performed on every electronic component which is used in electrical circuits that require high safety and reliability functions or performance.
WURTH [ WURTH ELEKTRONIK GMBH & CO. KG, GERMANY. ]
