B57540G145F EPCOS Inc, B57540G145F Datasheet - Page 30

• Manufacturer Part Number: B57540G145F
• Description: THERMISTOR NTC 1.4M OHM 1% RAD
• Manufacturer: EPCOS Inc
• Series: B57540r
• Type: NTCr

Specifications of B57540G145F

• Resistance In Ohms @ 25°c: 1.4M
• Resistance Tolerance: ±1%
• B Value Tolerance: ±2%
• B25/85: 4557K
• B25/100: 4581K
• Operating Temperature: -55°C ~ 200°C
• Power - Max: 18mW
• Lead Length: 14.45" (367.00mm)
• Mounting Type: Through Hole
• Package / Case: Bead, Glass
• Resistance: 1.4 MOhms
• Tolerance: 1 %
• Termination Style: Radial
• Operating Temperature Range: - 55 C to + 200 C
• Power Rating: 18 mW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• B0/50: -
• B25/50: -
• B25/75: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 495-2126

R/T No.
T ( C)
R/T No.
T ( C)
Please read Important notes and
Cautions and warnings at the end of this document.
Temperature measurement
Glass-encapsulated sensors
140.0
145.0
150.0
155.0
160.0
165.0
170.0
175.0
180.0
185.0
190.0
195.0
200.0
205.0
210.0
215.0
220.0
225.0
230.0
235.0
240.0
245.0
250.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0
B57540G0303J000
8415
B
R
B57540G0503F000
8403
B
R
5164300
3554000
2481000
1755400
1257900
912250
669140
496110
371580
281010
214470
0/100
0/100
nom
nom
[ ]
[ ]
691.8
613.4
545.3
486.0
434.2
388.9
349.1
314.1
283.2
255.9
231.7
210.2
191.1
174.0
158.8
145.1
132.9
121.9
111.9
103.0
= 3970 K, R
= 3970 K, R
94.92
87.60
80.96
R
R
4851600
3354100
2351700
1670800
1202000
874960
644070
479140
360040
273130
209080
min
min
25
25
[ ]
[ ]
629.8
557.6
495.0
440.6
393.2
351.7
315.3
283.3
255.2
230.3
208.3
188.8
171.4
155.9
142.1
129.8
118.7
108.7
= 30000 , T
= 50000 , T
99.79
91.73
84.45
77.87
71.91
R
R
5477000
3753800
2610300
1840000
1313800
949550
694210
513070
383120
288890
219870
max
max
Page 30 of 60
[ ]
[ ]
753.8
669.1
595.5
531.3
475.2
426.1
382.9
344.8
311.2
281.5
255.1
231.6
210.8
192.1
175.4
160.5
147.1
135.0
124.1
114.3
105.4
R
R
97.33
90.02
= 25 C,
= 25 C,
10.0
10.1
10.2
10.3
10.4
10.5
10.6
10.7
10.8
10.9
10.9
11.0
11.1
11.2
6.1
5.6
5.2
4.8
4.4
4.1
3.7
3.4
3.1
2.8
2.5
9.0
9.1
9.2
9.3
9.4
9.6
9.7
9.8
9.9
R
R
R
R
R
R
/R
/R
R
R
/R
/R
R
R
[ %]
[ %]
R
R
=
=
5%
1%
3.7
3.8
4.0
4.1
4.2
4.4
4.5
4.7
4.8
5.0
5.1
5.3
5.5
5.6
5.8
5.9
6.1
6.3
6.5
6.6
6.8
7.0
7.2
0.8
0.8
0.7
0.7
0.7
0.6
0.6
0.6
0.5
0.5
0.5
T[ C]
T[ C]
2.4
2.4
2.3
2.3
2.2
2.2
2.1
2.1
2.0
2.0
2.0
1.9
1.9
1.9
1.8
1.8
1.7
1.7
1.7
1.6
1.6
1.6
1.6
7.6
7.3
7.1
6.8
6.5
6.3
6.1
5.9
5.7
5.5
5.3
(%/K)
(%/K)
B57540
G540