Type DK
0.02 in (0.5 mm)
0.08 in (2 mm)
maximum
nominal
DK-N
Specifications
Chip thermistor in DO-35 glass package
1.06 in (27 mm)
0.2 in (4.2 mm)
minimum
maximum
Options
DK-H
• Other resistance values within the ranges
shown; e.g. code DKA302*2 for 3000 Ω
±2% at 77°F (25°C)
0.08 in (2
mm)
nominal
0.16 in (4 mm)
maximum
0.1 in (2.8 mm)
Inside radius
0.05 in (1.2
mm)
Ø 0.02 in (0.5 mm)
nominal
• Reference temperatures in the range 0°F
to 302°F (-18°C to 150°C)
nominal
• Operation to 572°F (300°C) (no solder
coating on wires)
0.8 in (19.5 mm) ±1
• Wire lengths 0.16 in to 1.26 in (4 mm to
32 mm)
NTC Type DK wires should not be bent within 0.08 in (2 mm) of glass body
±0.04 in (±1 mm) for DK-N; up to 1.02 in
(26 mm) for DK-H
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
Coding
Replace * in the codes shown below as
follows:
• Axial, loose-packed: N
• Mass: 0.2 g
• Axial, bandoliered: B
• Packing/MOQ: 1000/box (loose),
5000/reel (bandoliered)
• 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
3540 ±1% DKA502*2
3540 ±1% DKA103*2
3730 ±2%
DKA202*3
DKA502*3
DKA103*3
DKC103*3
DKC123*3
DKF103*3
DKF203*3
DKF303*3
DKF503*3
DKF104*3
DKA202*5
DKA502*5
DKA103*5
DKC103*5
DKC123*5
DKF103*5
DKF203*5
DKF303*5
DKF503*5
DKF104*5
DKG204*5
DKD504*5
DKD105*5
DKA202*10
DKA502*10
DKA103*10
DKC103*10
DKC123*10
DKF103*10
DKF203*10
DKF303*10
DKF503*10
DKF104*10
DKG204*10
DKD504*10
DKD105*10
5000
2
10,000
10,000
12,000
10,000
20,000
30,000
50,000
100,000
200,000
500,000
1,000,000
2
5A
5A
3
3730 ±2% DKC123*2
3960 ±1% DKF103*2
3960 ±1% DKF203*2
3960 ±1% DKF303*2
3960 ±1% DKF503*2
3960 ±1% DKF104*2
4263 ±2%
3
3
3
3
G
D
D
4573 ±2%
4573 ±2%
See separate tables for resistance-temperature data..
Consult factory for additional tolerance requirements.
2
AMPHENOL [ Amphenol ]
