B57231 EPCOS, B57231 Datasheet

B57231

Manufacturer Part Number

B57231

Description

(B572xx) SMD NTC Thermistors

Manufacturer

EPCOS

Datasheet

1.B57231.pdf (3 pages)

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SMD NTC thermistors with nickel barrier termination

Applications

Features

Options

Alternative resistance ratings, resistance tol.

Delivery mode

Cardboard tape, 180-mm reel, PU: 10000 pcs

Climatic category (IEC 60068-1)

Max. power at 25 C (on PCB)

Resistance tolerance

Rated temperature

B value tolerance

Dissipation factor (on PCB)

Thermal cooling time constant (on PCB)

Heat capacity

100

150

220

330

470

10 k

1) Depends on mounting situation

1,0 k

1,5 k

2,2 k

3,3 k

4,7 k

Temperature Measurement

SMD NTC Thermistors with Nickel Barrier Termination, Size 0402

Temperature measurement and compensation in

– mobile phone applications (e.g. battery pack, TCXO, LCD)

– data systems

– automotive electronics

Multilayer SMD NTC with inner electrodes

Ni barrier termination (Ag/Ni/Sn)

High accuracy:

B value tolerance down to

Excellent long-term ageing stability in high-temperature

and high-humidity environment

Superior resistance stability during soldering (change < 1 %)

No. of R/T

characteristic

8501

8502

5 % in resistance,

1,5 % available on request

3470

3940

25/50

5 % and B value tol. < 3 % available on request

B/B

3540

3980

25/85

05/02

3550

4000

55/125/56

150

approx. 2,5

approx. 3,0

approx. 7,5

25/100

5 %,

3 %

0,5±0,05

10 %

Ordering code

B57211V2101+060

B57211V2151+060

B57211V2221+060

B57211V2331+060

B57211V2471+060

B57221V2102+060

B57221V2152+060

B57221V2222+060

B57221V2332+060

B57221V2472+060

B57221V2103+060

Dimensions in mm

Approx. weight 4,5 mg

Termination

mW/K

mJ/K

0,6 max.

B572**

TNT0395-Q

V 2**

Related parts for B57231

B57231 Summary of contents

Page 1

Temperature Measurement SMD NTC Thermistors with Nickel Barrier Termination, Size 0402 SMD NTC thermistors with nickel barrier termination Applications I Temperature measurement and compensation in – mobile phone applications (e.g. battery pack, TCXO, LCD) – data systems – automotive electronics ...

Page 2

... T: ( 1000 h Solderability: (215 0,3) s (235 0,2) s Resistance to soldering heat: (260 ( Reflow soldering profile 49 05/02 B572** V 2** Ordering code B57231V2103+060 B57231V2153+060 B57231V2223+060 B57231V2333+060 B57231V2473+060 R /R Remarks 25 25 (typical) < < < < terminations wetted < ...

Page 3

... Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed. This brochure replaces the previous edition. For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representa- tives. Due to technical requirements components may contain dangerous substances. For information on the type in question please ...

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