B57421V2473H062 EPCOS Inc, B57421V2473H062 Datasheet - Page 12

• Manufacturer Part Number: B57421V2473H062
• Description: Thermistors - NTC 0805 47K H62 B-4000 NTC Thermistor
• Manufacturer: EPCOS Inc
• Type: NTCr

Specifications of B57421V2473H062

• Description Of Terminals: Leadless
• Mounting Style: Surface Mount
• Pin Count: 2
• Resistance @ 25c: 47kohm
• Thermal Time Constant: 10s
• Percentage Of Resistance Tolerance @ 25c: ±3
• Product Length (mm): 2mm
• Product Depth (mm): 1.25mm
• Lead Free Status / RoHS Status: Supplier Unconfirmed

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