B57421V2471J62 EPCOS Inc, B57421V2471J62 Datasheet - Page 12

THERMISTOR NTC 470 OHM 5% 0805

B57421V2471J62

Manufacturer Part Number
B57421V2471J62
Description
THERMISTOR NTC 470 OHM 5% 0805
Manufacturer
EPCOS Inc
Series
B574**V2r
Type
NTCr

Specifications of B57421V2471J62

Resistance In Ohms @ 25°c
470
Resistance Tolerance
±5%
B Value Tolerance
±3%
B25/50
3940K
B25/85
3980K
B25/100
4000K
Operating Temperature
-55°C ~ 125°C
Power - Max
210mW
Mounting Type
Surface Mount
Package / Case
0805 (2012 Metric)
Thermistor Type
NTC
Resistance
470ohm
Beta Value (k)
4000
Svhc
No SVHC (18-Jun-2010)
Beta Value Lower Limit Temperature
25°C
Operating Temperature Max
+125°C
Operating Temperature Min
-55°C
Tolerance
5 %
Termination Style
SMD/SMT
Operating Temperature Range
- 55 C to + 125 C
Dimensions
1.25 mm W x 2 mm L x 1.3 mm H
Power Rating
210 mW
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
B0/50
-
B25/75
-
Lead Length
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
B57421V2471J 62
B57421V2471J062
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.
Page 12 of 20
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

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