B57421V2102J062 EPCOS Inc, B57421V2102J062 Datasheet - Page 12
B57421V2102J062
Manufacturer Part Number
B57421V2102J062
Description
Thermistors - NTC
Manufacturer
EPCOS Inc
Type
NTCr
Datasheet
1.B57471V2223J062.pdf
(20 pages)
Specifications of B57421V2102J062
Resistance
1 KOhms
Tolerance
5 %
Termination Style
SMD/SMT
Dimensions
1.25 mm W x 2 mm L x 1.3 mm H
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Reflow soldering
Recommended temperature characteristic for reflow soldering following J-STD-020C
Profile feature
Average ramp-up rate
(T
Preheat
- Temperature min (T
- Temperature max (T
- Time (t
Time maintained above:
- Temperature min (T
- Time (t
Peak/ classification
temperature (T
Time within 5 C of actual
peak temperature (t
Ramp-down rate
Time 25 C to peak
temperature
Note: All temperatures refer to topside of the package, measured on the package body surface.
Please read Cautions and warnings and
Important notes at the end of this document.
Temperature measurement and compensation
SMD NTC thermistors, case size 0805 (2012)
Smax
to Tp)
Smin
L
)
to t
Smax
p
)
)
p
Smin
L
)
Smax
)
)
)
Sn-Pb eutectic assembly
3 C/ second max.
100 C
150 C
60 ... 120 seconds
183 C
60 ... 150 seconds
220 C ... 240 C
10 ... 30 seconds
6 C/ second max.
6 minutes max.
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Pb-free assembly
3 C/ second max.
150 C
200 C
60 ... 180 seconds
217 C
60 ... 150 seconds
240 C ... 260 C
20 ... 40 seconds
6 C/ second max.
8 minutes max.
B574**V2