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参数资料
| 型号： | SFH4257R-R |
| 元件分类： | 红外LED |
| 英文描述： | 2.4 mm, 1 ELEMENT, INFRARED LED, 860 nm |
| 封装： | ROHS COMPLIANT PACKAGE-2 |
| 文件页数： | 8/9页 |
| 文件大小： | 317K |
| 代理商： | SFH4257R-R |
2010-12-03
8
SFH 4257 R
Ltbedingungen
Vorbehandlung nach JEDEC Level 2
Soldering Conditions
Preconditioning acc. to JEDEC Level 2
Reflow Ltprofil für bleifreies Lten
(nach J-STD-020-D.01)
Reflow Soldering Profile for lead free soldering
(acc. to J-STD-020-D.01)
Pb-Free (SnAgCu) Assembly
Profile Feature
Recommendation
Max. Ratings
Ramp-up Rate to Preheat*
)
25°C to 150°C
2°K / sec
3°K / sec
Time t
s from TSmin to TSmax
(150°C to 200°C
100s
min. 60sec max. 120sec
Ramp-up Rate to Peak*
)
T
Smax to TP
2°K / sec
3°K / sec
Liquidus Temperture T
L
217°C
Time t
L above TL
80sec
max. 100sec
Peak Temperature T
P
245°C
max. 260°C
Time t
P within 5°C of the specified peak
temperature T
P - 5K
20sec
min. 10sec max. 30sec
Ramp-down Rate*
T
P to 100°C
3°K / sec
6°K / sec maximum
Time 25°C to Peak temperature
max. 8 min.
All temperatures refer to the center of the package, measured on the top of the component
* slope calculation
ΔT/Δt: Δt max. 5 sec; fulfillment for the whole T-range
0
s
OHA04525
50
100
150
200
250
300
50
100
150
200
250
300
t
T
C
S
t
P
t
Tp
240 C
217 C
245 C
25 C
L
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