TEMPERATURE SENSITIVE
PRECISION WIREWOUND RESISTORS
TCR’S FROM +80 TO +6000 PPM
RESISTORSꢀCAPACITORSꢀCOILSꢀDELAY LINES
Term.W is
RoHS
compliant
& 260°C
compatible
RoHS
ATB SERIES-AXIAL LEAD, EPOXY
ATS SERIES-AXIAL LEAD, SILICONE
PTB SERIES- RADIAL LEAD, EPOXY
ꢀ Industry’s widest range of positive TCR resistors!
ꢀ Available on exclusive SWIFT TM delivery program!
ꢀ Additional sizes available--most popular shown below
ꢀ Choice of 15 standard temperature coefficients per Table 1
RCD’s AT and PT Series resistors offer inherent wirewound
reliability and precision performance in all types of temperature
sensing or compensating circuits. Sensors are wound with
various alloys to achieve wide range of temperature sensitivity.
ATS SERIES 350°C RATING
ATB SERIES 175°C RATING
RCD ATB Series are typically multi-layer bobbin-wound enabling
higher resistance values. Encapsulated in moisture-proof epoxy,
Series ATB meets the environmental requirements of MIL-R-93.
Operating temperature range is -55°C to +175°C. Standard
tolerances are
RCD ATS Series offer precision wirewound resistor performance
at economical pricing. Ceramic core and silicone coating
provide high operating temperature. The coating ensures
maximum protection from environmental and mechanical
damage (envir.
±0.1%, ±0.25%,
performance per
±0.5%, ±1%.
MIL-PRF-26).
Body
Length
±.031 [.8] ±.015 [.4]
Body
Diameter Diameter
(typ)
Lead
4500ppm
Resis.
Range
Body
Length
±.031 [.8] ±.015 [.4]
Body
Diameter Diameter
Lead
4500ppm
Resis.
Range
RCD
Type
Wattage
@ 25°C
RCD
Type
Wattage
@ 25°C
(typ)
ATS110 .250 [6.35] .093 [2.36] .020 [.51]
ATS125 .406 [10.3] .093 [2.36] .020 [.51]
ATS135 .500 [12.7] .188 [4.78] .032 [.81]
ATS145 .812 [20.6] .188 [4.78] .032 [.81]
ATS150 .500 [12.7] .218 [5.54] .040 [1.02]
ATS155 .625 [15.9] .250 [6.35] .040 [1.02]
ATS160 .875 [22.2] .312 [7.92] .040 [1.02]
ATS170 1.220 [31.0] .312 [7.92] .040 [1.02]
ATS175 1.780 [45.2] .375 [9.53] .040 [1.02]
.5
1.0
3.0
3.5
3.5
4.0
5.0
7.0
10.0
1Ω - 300Ω
1Ω - 1KΩ
1Ω - 1.5K
1Ω - 3K
ATB200 .250 [6.35] .100 [2.54] .020 [.51]
ATB202 .250 [6.35] .125 [3.18] .025 [.635]
ATB204 .375 [9.53] .142 [3.60] .025 [.635]
ATB206 .375 [9.53] .187 [4.75] .025 [.635]
ATB100 .350 [8.89] .250 [6.35] .032 [.81]
ATB101 .500 [12.7] .250 [6.35] .032 [.81]
ATB102 .750 [19.1] .250 [6.35] .032 [.81]
ATB104 .750 [19.1] .375 [9.53] .032 [.81]
.05
.10
.12
.15
.25
.33
.50
.60
1Ω - 3K
1Ω - 5K
1Ω - 8K
1Ω - 15K
1Ω - 20K
1Ω - 30K
1Ω - 76K
1Ω - 114K
1Ω - 2K
1Ω - 3K
1Ω - 4K
1Ω - 5K
1Ω - 10K
PTB SERIES 175°C RATING
RCD PTB Series offer the same reliability and precision
performance as the ATB series
except in a radial lead design.
TABLE 1. SERIES ATB, ATS, ATB RESISTANCE RANGE
Body
Length
±.031 [.8]
Lead
Diameter Spacing
(typ.) ±.015 [.4]
Lead
4500ppm
Resis.
Range
Temp.
Coef.
(ppm/°C)
T.C.
Tolerance
(ppm/°C)
RCD
Type
Body Dia.
±.015 [.4]
Watts
@25°C
Resis. Range Multiplier
( x 4500ppm Res. Range)
PTB401 .312 [7.92] .250 [6.35] .025 [.64] .200 [5.08] .25
PTB406 .500 [12.7] .375 [9.53] .032 [.81] .200 [5.08] .33
1Ω - 15K
1Ω - 40K
+80
+100
+140
+180
+400
+650
+1000
+1400
+2600
±20
±20
±40
±40
±40
5.3
In order to determine the
available resistance range
for each TC, use the
multiplier times the 4500
ppm resistance range.
5.3
5.0
2.0
4.5
2.0
3.0
3.2
3.3
2.0
2.7
.4
P/N DESIGNATION:
RCD Type
ATS135 - 1000 - F B 452
W
±50
Example: a resistor with a
TC of +3200 ppm can be
manufactured with a
Resis.Code ≤1%: 3 signif. figures & multiplier,
(1R00=1Ω,10R0=10Ω,1000=100Ω,1001=1K, etc.)
Resis.Code 2%-10%: 2 signif. figures & multiplier,
(1R0=1Ω, 100=10Ω, 101=100Ω, 102=1K, etc.)
±100
±200
±200
±200
±300
±80
±300
±300
±400
resistance value twice as
high as the same resistor
with a TC of 4500 ppm.
A resistor with a TC of
+6000 ppm can only reach
a third of the resistance
value available with 4500
ppm wire.
Tolerance @ 25°C: J=5%, H=3%, G=2%,
F=1%, D=0.5%, C=0.25%, B=0.1%
+3200
+3500
Packaging: B = Bulk, T = Tape & Reel (axial lead only)
+3850 (Pt)
+3900 (Cu)
+4500 (NiFe)
+6000 (Ni)
Temperature Coefficient: 80 = 80ppm; 100ppm and
higher, use 3 digit code: 101 =100ppm, 452 =4500 ppm, etc.
.083
1.00
.33
Termination W= lead-free, Q= tin/lead (leave blank if either is acceptable,
in which case RCD will select based on lowest price and quickest delivery
RCD Components Inc., 520 E. Industrial Park Dr., Manchester, NH, USA 03109
Tel: (603) 669-0054 Fax:(603) 669-5455 E-mail:sales@rcdcomponents.com www.rcdcomponents.com
FA079 Sale of this product is in accordance with GF-061. Specifications subject to change without notice.
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