B57421V2681J62 EPCOS Inc, B57421V2681J62 Datasheet - Page 3
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B57421V2681J62
Manufacturer Part Number
B57421V2681J62
Description
THERMISTOR NTC 680 OHM 5% 0805
Manufacturer
EPCOS Inc
Series
B574**V2r
Type
NTCr
Specifications of B57421V2681J62
Package / Case
0805 (2012 Metric)
Resistance In Ohms @ 25°c
680
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
Description Of Terminals
Leadless
Mounting Style
Surface Mount
Pin Count
2
Resistance @ 25c
680Ohm
Thermal Time Constant
10s
Percentage Of Resistance Tolerance @ 25c
±5
Product Length (mm)
2mm
Product Depth (mm)
1.25mm
Resistance
680 Ohms
Tolerance
5 %
Termination Style
SMD/SMT
Operating Temperature Range
- 55 C to + 125 C
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
B57421V2681J 62
B57421V2681J062
B57421V2681J062
Reliability data
SMD NTC thermistors are tested in accordance with IEC 60068. The parts are mounted on a
standardized PCB in accordance with IEC 60539-1.
Test
Storage in
dry heat
Storage in damp
heat, steady state
Rapid temperature
cycling
Endurance
Solderability
Resistance drift
after soldering
Temperature Measurement
SMD NTC Thermistors with Nickel Barrier Termination, Size 0805
Standard
IEC
60068-2-2
JIS C 0021
IEC
60068-2-3
JIS C 0022
IEC
60068-2-14
JIS C 0025
IEC
60068-2-58
JIS C 0054
Test conditions
Storage at upper
category temperature
T: (125
t: 1000 h
Temperature of air: (40
Relative humidity of air:
(93 +2/–3) %
Duration: 56 days
Lower test temperature: – 55 C
Upper test temperature: 125 C
Number of cycles: 100
P
T: (65
t: 1000 h
Solderability:
(215
(235
Resistance to soldering heat:
(260
Reflow soldering profile
Wave soldering profile
max
: 210 mW
3) C / (3
5) C / (2
5) C / (10
2) C
2) C
55
05/02
0,3) s
0,2) s
1) s
2) C
(typical)
< 2 %
< 2 %
< 2 %
< 2 %
< 1 %
R
25
/R
25
Remarks
95 % of
terminations
wetted
B574**
V 4**