文档介绍：传感器
SENSORS
MEASUREMENT
CONTROL
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Temperature measurement NTC Thermistor
Epoxy-encapsulated sensors MEB-503E3950
SPECIFICATION
1、Scope
This specification deals with shape,dimensions,characteristics,inspection standard etc.
2、Specifications
Item: Thermistor,No.: MEB-503E3950L87
Characteristics
Item Test Condition Min. Mid. Max. Unit
Resistance at 25℃ 37℃± ℃ KΩ
B value B25/50 3910 3950 3989 K
Insulation resistance DC100v 100 / / MΩ
Thermal time constant In still air / / 3 S
Thermal dissipation constant In still air / / mW/℃
Maximum power rating 25℃ / / 50 mW/℃
Operating temperature range / -30 / 110 ℃
、Material of parts
Head: Epoxy resin encapsulated
Leads : enameled wire
Dimensions-mm
D ± ~ TBD
L 1 ± 2 ~ 4 TBD
L ±1 87 ~ 100 TBD
L 2 ±1 3 TBD
d± ~ TBD
3、Reliability
Item Specification Method of Examination
1 High temp. storage 1000Hours under 100℃
2 Low temp. storage *△R25/R25＜± 1% 1