2

Type DK

Specifications

Chip thermistor in DO-35 glass package

Options

• Other resistance values within the ranges

shown; e.g. code DKA302*2 for 3000

Ω

±2% at 77°F (25°C)

• Reference temperatures in the range 0°F

to 302°F (-18°C to 150°C)

• Operation to 572°F (300°C) (no solder

coating on wires)

• Wire lengths 0.16 in to 1.26 in (4 mm to

32 mm)

±0.04 in (±1 mm) for DK-N; up to 1.02 in

(26 mm) for DK-H

Coding

Replace * in the codes shown below as

follows:

• Axial, loose-packed: N

• Axial, bandoliered: B

• Radial, loose-packed: H

• Surface mount, loose-packed: M

R25

Ω

Material

system

B 25/85 K

Code

R25 ±2%

Code

R25 ±3%

Code

R25 ±5%

Code

R25 ±10%

2000

2

3540 ±1%

DKA202*2

DKA202*3

DKA202*5

DKA202*10

5000

2

3540 ±1%

DKA502*2

DKA502*3

DKA502*5

DKA502*10

10,000

2

3540 ±1%

DKA103*2

DKA103*3

DKA103*5

DKA103*10

10,000

5A

3730 ±2%

DKC103*3

DKC103*5

DKC103*10

12,000

5A

3730 ±2%

DKC123*2

DKC123*3

DKC123*5

DKC123*10

10,000

3

3960 ±1%

DKF103*2

DKF103*3

DKF103*5

DKF103*10

20,000

3

3960 ±1%

DKF203*2

DKF203*3

DKF203*5

DKF203*10

30,000

3

3960 ±1%

DKF303*2

DKF303*3

DKF303*5

DKF303*10

50,000

3

3960 ±1%

DKF503*2

DKF503*3

DKF503*5

DKF503*10

100,000

3

3960 ±1%

DKF104*2

DKF104*3

DKF104*5

DKF104*10

200,000

G

4263 ±2%

DKG204*5

DKG204*10

500,000

D

4573 ±2%

DKD504*5

DKD504*10

1,000,000

D

4573 ±2%

DKD105*5

DKD105*10

Data

• Operating temperature: -40°F to 482°F (-40°C to 250°C)

• Thermal time constant: 7 seconds (cooling in air)

• Dissipation factor: 3.0 mW/K

• Mass: 0.2 g

• Packing/MOQ: 1000/box (loose),

5000/reel (bandoliered)

NTC Type DK wires should not be bent within 0.08 in (2 mm) of glass body

0.1 in (2.8 mm)

nominal

DK-N

0.08 in (2 mm)

maximum

0.02 in (0.5 mm)

nominal

0.08 in (2

mm)

nominal

0.16 in (4 mm)

maximum

1.06 in (27 mm)

minimum

0.2 in (4.2 mm)

maximum

Inside radius

0.05 in (1.2

mm)

nominal

0.8 in (19.5 mm) ±1

Ø 0.02 in (0.5 mm)

DK-H

See separate tables for resistance-temperature data..

Consult factory for additional tolerance requirements.