NTC Thermistors
Type RL20
Uncoated Disc With
Radial Leads
Description
Point-matched disc thermistor with bare lead-wires.
Features
• Low cost solid state sensor
• Wide operating temperature range:
-58°F to 302°F (-50°C to 150°C)
• Resistance tolerances down to ±2%
• Suitable for PCB and probe mountings
• High sensitivity to changes in temperature
• Available in a wide range of material systems
• Suitable for temperature measurement, control and
compensation
• Excellent mechanical strength
Amphenol
Advanced Sensors
• Also available with epoxy coating
• Available on tape and reel to EIA RS-468A for
automatic insertion
Type RL20 Specifications
Type Number
RL2004-16.4-59-M
Ro@25°C Material Beta
B
δ
τ
Ω
Systems 25/85
in mm (mW/K) (sec.)
25
D5.9 3096 .130 3.30
6.5
20
RL2007-32.8-59-M
50
D5.9
3096
.160 4.06
6.5
30
RL2003-62.4-73-K
100
D7.3
3468
.120 3.05
6.5
20
RL2004-93.6-73-K
150
D7.3
3468
.130 3.30
6.5
20
RL2004-89.1-85-K
150
D8.5
3772
.130 3.30
6.5
20
RL2006-125-73-K
200
D7.3
3468
.150 3.81
6.5
20
RL2006-119-85-K
200
D8.5
3772
.150 3.81
6.5
20
RL2007-156-73-K
250
D7.3
3468
.160 4.06
6.5
30
RL2008-187-73-K
300
D7.3
3468
.170 4.32
6.5
30
RL2008-178-85-K
300
D8.5
3772
.170 4.32
6.5
30
RL2003-289-95-K
500
D9.5
3965
.120 3.05
6.5
20
RL2005-434-95-K
750
D9.5
3965
.140 3.56
6.5
20
RL2006-578-95-K
1K
D9.5
3965
.150 3.81
6.5
20
RL2004-582-97-K
1K
D9.7A
3972
.130 3.30
6.5
20
RL2006-873-97-K
1.5K
D9.7A
3972
.150 3.81
6.5
20
2K
D9.7A
3972
.160 4.06
6.5
30
RL2005-1148-103-K
2K
D10.3
4073
.140 3.56
6.5
20
RL2006-1600-103-K
2786
D10.3
4073
.150 3.81
6.5
20
RL2008-2010-103-K
3.5K
D10.3
4073
.170 4.32
6.5
30
RL2005-2203-120-K
4K
D12.0
4356
.140 3.56
6.5
20
RL2006-2753-120-K
5K
D12.0
4356
.150 3.81
6.5
20
RL2007-1164-97-K
Type Number
Ro@25°C Material Beta
B
δ
τ
Ω
Systems 25/85
in mm (mW/K) (sec.)
RL2008-4131-120-K
7.5K
D12.0 4356 .170 4.32
6.5
30
RL2004-4429-122-K
8K
D12.2
4365
.130 3.30
6.5
20
RL2012-5506-120-K
10K
D12.0
4356
.210 5.33
7.2
50
RL2005-5536-122-K
10K
D12.2
4365
.140 3.56
6.5
20
RL2007-8304-122-K
15K
D12.2
4365
.160 4.06
6.5
30
RL2010-11K-122-K
20K
D12.2
4365
.190 4.83
7.0
35
RL2005-10.7K-140-K
20K
D14.0
4615
.140 3.56
6.5
20
RL2003-13.2K-150-K
25K
D15.0
4728
.120 3.05
6.5
20
RL2006-13.3K-140-K
25K
D14.0
4615
.150 3.81
6.5
20
RL2007-16K-140-K
30K
D14.0
4615
.160 4.06
6.5
30
RL2004-18.4-150-K
35K
D15.0
4720
.130 3.30
6.5
20
RL2004-21.6K-138-K
40K
D13.8
4561
.130 3.30
6.5
20
RL2005-27K-138-K
50K
D13.8
4561
.140 3.56
6.5
20
RL2006-26.3K-150-K
50K
D15.0
4720
.150 3.81
6.5
20
RL2004-26K-155-K
50K
D15.5
4783
.130 3.30
6.5
20
RL2008-39.6K-150-K
70K
D15.0
4220
.170 4.32
6.5
30
RL2007-40.6K-138-K
75K
D13.8
4561
.160 4.06
6.5
30
RL2007-44.5K-155-K
85K
D15.5
4783
.160 4.06
6.5
30
RL2010-54.1K-138-K
100K
D13.8
4561
.190 4.83
7.0
35
RL2008-52.3K-155-K
100K
D15.5
4783
.170 4.32
6.5
30
Amphenol
Advanced Sensors
0.220 in max
(5.6 mm)
0.156 in
(4 mm)
1.5 in (38 mm) min
26 awg tinned copper
B thickness
refer to table
Options
• Other resistances and tolerances at other
temperatures available.
• Resistances tolerance codes: G = 2%
– J = 5%
– K = 10%
– L = 15%
– M = 20%
• Alternative lead lengths, lead materials,
insulations
• The - “K” suffix is the same as the “DI” suffix in
earlier catalogs.
www.amphenol-sensors.com
© 2014 Amphenol Corporation. All Rights Reserved. Specifications are subject to change without notice.
Other company names and product names used in this document are the registered trademarks or
trademarks of their respective owners.
AAS-920-413A-04/2014
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