B57220K View Datasheet(PDF) - EPCOS AG

Part Name

Description

Manufacturer

B57220K

NTC thermistors for temperature measurement

EPCOS AG 

Temperature measurement and compensation

Leadless NTCs

B57220K

K220

Applications

Temperature measurement and

compensation

Features

Front surfaces silver-plated

For clamp contacting

UL approval (E69802)

Options

Alternative resistance ratings, rated

temperatures and resistance tolerances

available on request.

Delivery mode

Bulk

Dimensional drawing

∅d = 2.9 ±0.3 mm

th = 1.3 ±0.3 mm

Approx. weight 50 mg

General technical data

Climatic category

Max. power

Resistance tolerance

Rated temperature

Dissipation factor

Thermal cooling time constant

Heat capacity

(IEC 60068-1)

(at 25 °C)

(in air)

(in air)

Electrical specification and ordering codes

R20

Ω

2.5 k

R25

Ω

2056.9

No. of R/T

characteristic

1008

P25

∆RR/RR

TR

δth1)

τc1)

Cth1)

55/250/21

180

±5

20

approx. 2.5

approx. 12

approx. 30

mW

%

°C

mW/K

s

mJ/K

B25/100

K

3560 ±1.5%

Ordering code

B57220K0212A003

1) Depends on mounting situation

Please read Cautions and warnings and

Important notes at the end of this document.

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