B57891M472K EPCOS Inc, B57891M472K Datasheet - Page 21

• Manufacturer Part Number: B57891M472K
• Description: THERMISTOR NTC 4.7K OHM 10% RAD
• Manufacturer: EPCOS Inc
• Series: B57891r
• Type: NTCr

Specifications of B57891M472K

• Resistance In Ohms @ 25°c: 4.7K
• Resistance Tolerance: ±10%
• B Value Tolerance: ±3%
• B25/100: 3980K
• Operating Temperature: -40°C ~ 125°C
• Power - Max: 200mW
• Lead Length: 1.42" (36.00mm)
• Mounting Type: PCB, Through Hole
• Package / Case: Molded Disc
• Resistance: 4.7 KOhms
• Tolerance: 10 %
• Termination Style: Radial
• Operating Temperature Range: - 40 C to + 125 C
• Dimensions: 3.5 mm Dia. x 36 mm L
• Lead Spacing: 2.5 mm
• Power Rating: 200 mW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• B0/50: -
• B25/50: -
• B25/75: -
• B25/85: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: B57891M 472K; B57891M0472K000

Symbols and terms
Symbol
A
AWG
B
B
C
I
N
P
P
P
P
R
R
R
R
R
T
t
T
T
T
T
T
T
V
V
V
V
Please read Cautions and warnings and
Important notes at the end of this document.
Temperature measurement and compensation
Leaded NTC thermistors, lead spacing 2.5 mm
R
R
T
A
max
min
op
R
surf
25/100
25
diss
el
max
ins
op
test
th
ins
P
R
S
T
B
R
/R
/R
B
R
English
Area
American Wire Gauge
B value
B value determined by resistance
measurement at 25 C and 100 C
Heat capacitance
Current
Number (integer)
Maximum power at 25 C
Power dissipation
Electrical power
Maximum power within stated
temperature range
Resistance tolerance caused by
spread of B value
Insulation resistance
Parallel resistance
Rated resistance
Resistance tolerance
Series resistance
Resistance at temperature T
(e.g. R
Temperature
Temperature tolerance
Time
Ambient temperature
Upper category temperature
Lower category temperature
Operating temperature
Rated temperature
Surface temperature
Voltage
Insulation test voltage
Operating voltage
Test voltage
25
= resistance at 25 C)
Page 21 of 23
German
Fläche
Amerikanische Norm für Drahtquerschnitte
B-Wert
B-Wert, ermittelt durch Widerstands-
messungen bei 25 C und 100 C
Wärmekapazität
Strom
Anzahl (ganzzahliger Wert)
Maximale Leistung bei 25 C
Verlustleistung
Elektrische Leistung
Maximale Leistung im
angegebenenTemperaturbereich
Widerstandstoleranz, die durch die
Streuung des B-Wertes verursacht wird
Isolationswiderstand
Parallelwiderstand
Nennwiderstand
Widerstandstoleranz
Serienwiderstand
Widerstand bei Temperatur T
(z.B. R
Temperatur
Temperaturtoleranz
Zeit
Umgebungstemperatur
Obere Grenztemperatur
(Kategorietemperatur)
Untere Grenztemperatur
(Kategorietemperatur)
Betriebstemperatur
Nenntemperatur
Oberflächentemperatur
Spannung
Isolationsprüfspannung
Betriebsspannung
Prüfspannung
25
= Widerstand bei 25 C)
B57891M
M891