c
Temperature Accuracy: ±1¡C @ 25¡C
c
Dissipation Constant: 1.4 mW/¡C
c
Time Constant: 15 Seconds
c
Operating Range: Ð50¡C to +150¡C
Stock Mfr.Õs R
O
@ Temp. Coef. Material EACH
No. Type 25¡C %/¡C @ 25¡C
837-7006 RL0503-5820-97-MS 10 K Ð4.40 MS97 2.29
837-7008 RL0503-27.53K-120-MS 50 K Ð4.84 MS120 2.75
837-7010 RL0503-55.36K-122-MS 100 K Ð4.78 MS122 2.21
Thermometrics
Thermistors, Fuses, Sensors, and Current Limiters
676
b
ALLIED Call Your Nearest Allied Location (1-800-433-5700) For Quick Service
Visit ThermometricsÕ Website at www.thermometrics.com
Contains one each of 20 different types of current inrush limiters.
837-0681. A-681.................................................................................................................................................... EACH 42.00
Ro @ Max. Steady Approx. Max.
Stock Mfr.Õs 25¡C State Resist. Dia.
No. Type ±25% Current @ | Max. In.
(Ohms) (Amps) (½)
EACH
1-99 100-249
837-0011 CL-11* 0.7 12.0 0.030 0.770 1.92 1.37
837-0021 CL-21* 1.3 8.0 0.045 0.550 1.68 1.21
837-0030 CL-30 2.5 8.0 0.060 0.770 1.46 1.13
837-0040 CL-40 5.0 6.0 0.110 0.770 2.62 1.87
837-0050 CL-50 7.0 5.0 0.160 0.770 2.59 1.84
837-0060 CL-60 10.0 5.0 0.180 0.770 1.22 .97
837-0070 CL-70 16.0 4.0 0.270 0.770 1.93 1.38
837-0080 CL-80 47.0 3.0 0.490 0.770 1.75 1.25
837-0090 CL-90 120.0 2.0 1.180 0.930 2.83 2.02
837-0101 CL-101* 0.5 16.0 0.020 0.930 1.47 1.14
837-0105 CL-110 10.0 3.2 0.180 0.400 1.39 .93
837-0120 CL-120 10.0 1.7 0.340 0.400 1.72 1.23
837-0125 CL-130 50.0 1.6 0.760 0.450 2.46 1.74
837-0140 CL-140 50.0 1.1 0.890 0.450 2.46 1.76
837-0145 CL-150 5.0 4.7 0.110 0.550 2.48 1.78
837-0160 CL-160 5.0 2.8 0.200 0.550 2.26 1.62
837-0165 CL-170 16.0 2.7 0.330 0.550 2.48 1.78
837-0180 CL-180 16.0 1.7 0.490 0.550 2.02 1.45
837-0185 CL-190 25.0 2.4 0.410 0.550 2.48 1.78
837-0200 CL-200 25.0 1.7 0.490 0.550 2.48 1.78
*CL-11, CL-21 and CL-101 are approx.
1
/
3
the capacitance value of CL-10, CL-20 and CL-100.
Inrush Current Limiters
c
Protect Against High Peak Inrush Current, Especially in AC/DC Switching
Power Supplies
c
All Resistances ±25% @ 25¡C
c
All Parts Are Insulated with a Protective Coating
PTC Resettable Fuses
Minimum Limit Current: The minimum amount of current required by the PTC to guarantee switching at the minimum
ambient temperature. Maximum Limit Current: The maximum amount of current the PTC must be able to pass without
switching at the maximum ambient temperature. In addition to the PTF resettable fuse products, a series of UL recognized
PTC resettable fuses are also available as special order items. They are recognized under UL file E82830, category XGPU2
(thermistor type devices), the PTU series resettable fuse allows the design engineer to start product design with a UL
recognized component.
No Load
Oper. Resist.
Stock Mfr.Õs Volt @ 25¡C
No. Type VOP (±20%)
(½)
Min.
Limit
Current
(Amps)
0¡C 20¡C
Max.
Limit
Current
(Amps)
30¡C 55¡C
Max.
Dia.
In.
EACH
837-4025 RL5305-1.0-110-12-PTF 12 1.0 1.45 1.32 0.84 0.64 0.60 2.58 1.88
837-4004 RL4006-10-110-50-PTF 50 10.0 0.39 0.35 0.22 0.17 0.45 2.92 2.09
837-4007 RL4508-25-110-50-PTF 50 25.0 0.27 0.24 0.15 0.12 0.50 3.03 2.26
837-4010 RL3810-100-110-50-PTF 50 100.0 0.13 0.12 0.08 0.06 0.42 2.55 1.95
837-4020 RL4510-50-110-120-PTF 120 50.0 0.19 0.17 0.11 0.08 0.50 3.18 2.26
837-3070 RL6315-50-110-240-PTF 240 50.0 0.23 0.21 0.13 0.10 0.65 2.92 2.22
837-3074 RL6315-250-110-240-PTF 240 250.0 0.10 0.09 0.06 0.05 0.65 3.12 2.42
1-99 100-249
Standard Thermistors for
Temperature Measurement
c
Operating Range: Ð50¡C to +150¡C
c
D.C.: Dissipation Constant (mW/¡C)
c
T.C.: Time Constant (Seconds)
c
Accuracy: ±1¡C (0¡C - 120¡C)*.
Stock Mfr.Õs A Max. B Max. C Ref. D AWG. D.C. T.C.
R
25¡C
EACH
No. Type (In.) (In.) (In.) (Dia.) mW/¡C Sec.
837-7020 RL3005-574.0-103-SA 1000 0.32 0.14 0.25 24 (.020) 3.5 30 2.50
837-7028 RL1003-2871-103-SA 5000 0.11 0.11 0.10 26 (.016) 1.0 10 2.84
837-7030 RL1005-5744-103-SA 10000 0.11 0.13 0.10 26 (.016) 1.0 10 1.95
*Optional temperature accuracies are available upon request.
NTC Type DC95/EC95 Thermistors
Cryogenic Thermistor
ThermometricÕs cryogenic thermistors are extremely useful for liquid level detection in various cryogenic liquids. In this
application, the thermistor is slightly self-heated by passing a small current through the unit. The heat generated in the
unit is more easily dissipated when the thermistor is immersed in cryogenic fluid than when the fluid level falls below the
thermistor. The resulting change in thermistor temperature is easily detected by the change in resistance.
Dissipation Constant in mW/¡K
Electrical O
2
N
2
Input (mW)
1.0 2-4 2-7
10.0 5-15 4-14
Approximate
Nominal
Stock Mfr.Õs For Operation Temperature
Resistance
No. Type in Liquid Coefficient
(½) (%/¡K)
EACH
1-99 100
837-5150 RL1004-10K-0-S1 Oxygen (90¡K) 10.0 K Ð8.4 30.43 27.05
Nitrogen (77¡K) 31.5 K Ð10.4
Miniature Sensors 1¡C Accuracy
Stock Mfr.Õs Temperature
Res. @ 25¡C Tol. Curve
No. Type Range
EACH
1-99 100-249
239-9106 DC95F103V 10.0 K ±0.1¡C 0¡-70¡C F 10.13 9.29
239-9108 DC95F103W 10.0 K ±0.2¡C 0¡-70¡C F 2.66 2.37
239-9116 DC95F502W 5.0 K ±0.2¡C 0¡-70¡C F 3.45 3.09
239-9118 DC95G104W 100.0 K ±0.2¡C 0¡-70¡C G 3.76 3.35
239-0099 DC95H303W 30.0 K ±0.2¡C 0¡-70¡C H 2.39 2.19
EC95
239-9124 EC95F103W 10.0 K ±0.2¡C 0¡-70¡C F 3.30 2.94
239-9130 EC95G104V 100.0 K ±0.1¡C 0¡-70¡C G 10.13 9.29
239-9136 EC95H303W 30.0 K ±0.2¡C 0¡-70¡C H 3.76 3.35
The DC95/EC95 NTC thermistors are manufactured using proven materials and techniques, making it possible to obtain close
tolerances and resistance-temperature curve tracking at a low cost. The result is a rugged, stable, easy to handle device. All
DC95/EC95 thermistors are epoxy coated for stability and have a maximum diameter of 0.095". Each unit tracks a specified
curve to within ±0.1¡C or ±0.2¡C over the temperature range of 0¡C to 70¡C. The DC95/EC95 thermistors have higher
dissipation constants than glass-coated beads or probe-style thermistors and therefore can be used in circuits of moderate
power levels. The thermal time constant of chip-style thermistors is comparable to that of large glass probes. This series chip
thermistor is especially suitable for disposable and permanent medical product usage, as well as energy management systems,
appliances, industrial equipment and automotive applications. Maximum Power Level: 0.075 watt at 25¡C (derating to zero
watt at 100¡C). Dissipation Constant In Still Air: 1mW/¡C. Thermal Time Constant In Still Air: 10 sec. Although suitable for
applications in the temperature range of Ð80¡C to +150¡C, best stability is achieved at temperatures not exceeding 105¡C.
Additional temperature ranges are available as special order items. Narrower temperature ranges may be specified for effective
cost savings or to accomplish even tighter curve tracking tolerances as special order items. They are available in a large variety
of sensor configurations, housings, enclosures and mountings as special order items. Quantity price breaks are available.
Contact your local Allied sales representative.
DC95
Inrush Limiter Kit
11
