TEMPERATURE SENSITIVE
PRECISION WIREWOUND RESISTORS
TCR’S FROM +80 TO +6000 PPM
RoHS
Term.W is
RoHS
compliant
& 260°C
compatible
RESISTORS CAPACITORS COILS DELAY LINES
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
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.
performance per
MIL-PRF-26).
RCD
Type
B ody
Length
±.031 [.8]
B ody
Diameter
±.015 [.4]
.093 [2.36]
.093 [2.36]
.188 [4.78]
.188 [4.78]
.218 [5.54]
.250 [6.35]
.312 [7.92]
L ead
4500p p m
Wattage
Diameter
Resis.
@ 25°C
(typ)
R an g e
.020 [.51]
.020 [.51]
.032 [.81]
.032 [.81]
.040 [1.02]
.040 [1.02]
.040 [1.02]
.040 [1.02]
.040 [1.02]
.5
1.0
3.0
3.5
3.5
4.0
5.0
7.0
10.0
1Ω - 300
Ω
1Ω - 1K
Ω
1Ω - 1.5K
1Ω - 3K
1Ω - 2K
1Ω - 3K
1Ω - 4K
1Ω - 5K
1Ω - 10K
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
±0.1%, ±0.25%,
±0.5%, ±1%.
RCD
Type
B ody
Length
±.031 [.8]
B ody
Diameter
±.015 [.4]
L ead
Wattage
Diameter
@ 25°C
(typ)
.020 [.51]
.025 [.635]
.025 [.635]
.025 [.635]
.032 [.81]
.032 [.81]
.032 [.81]
.032 [.81]
.05
.10
.12
.15
.25
.33
.50
.60
4500p p m
Resis.
R an g e
1Ω - 3K
1Ω - 5K
1Ω - 8K
1Ω - 15K
1Ω - 20K
1Ω - 30K
1Ω - 76K
1Ω - 114K
ATS110 .250 [6.35]
ATS125 .406 [10.3]
ATS135 .500 [12.7]
ATS145 .812 [20.6]
ATS150 .500 [12.7]
ATS155 .625 [15.9]
ATS160 .875 [22.2]
ATB200 .250 [6.35] .100 [2.54]
ATB202 .250 [6.35] .125 [3.18]
ATB204 .375 [9.53] .142 [3.60]
ATB206 .375 [9.53] .187 [4.75]
ATB100 .350 [8.89] .250 [6.35]
ATB101 .500 [12.7] .250 [6.35]
ATB102 .750 [19.1] .250 [6.35]
ATB104 .750 [19.1] .375 [9.53]
ATS170 1.220 [31.0] .312 [7.92]
ATS175 1.780 [45.2] .375 [9.53]
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.
RCD
Type
B ody
L ead
L ead
4500p p m
Body Dia.
Watts
Length
Diameter Spacing
Resis.
±.015 [.4]
@25°C
±.031 [.8]
(typ.) ±.015 [.4]
R an g e
.25
.33
1Ω - 15K
1Ω - 40K
TABLE 1. SERIES ATB, ATS, ATB RESISTANCE RANGE
Temp.
T.C.
Coef.
Tolerance
(ppm/°C)
(ppm/°C)
+80
±20
+100
±20
+140
±40
+180
±40
+400
±40
+650
±50
+1000
±100
+1400
±200
+2600
±200
+3200
±200
+3500
±300
+3850 (Pt)
±80
+3900 (Cu)
±300
+4500 (NiFe)
±300
+6000 (Ni)
±400
Resis. Range Multiplier
( x 4500p p m R es. R an g e)
5.3
5.3
5.0
2.0
4.5
2.0
3.0
3.2
3.3
2.0
2.7
.4
.083
1.00
.33
In order to determine the
available resistance range
for each TC, use the
multiplier times the 4500
ppm resistance range.
Example
: a resistor with a
TC of +3200 ppm can be
manufactured with a
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.
PTB401 .312 [7.92] .250 [6.35] .025 [.64] .200 [5.08]
PTB406 .500 [12.7] .375 [9.53] .032 [.81] .200 [5.08]
P/N DESIGNATION:
RCD Type
ATS135 -
1000 -
F B
452
W
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.)
Tolerance @ 25°C:
J=5%, H=3%, G=2%,
F=1%, D=0.5%, C=0.25%, B=0.1%
Packaging:
B = Bulk, T = Tape & Reel (axial lead only)
Temperature Coefficient:
80 = 80ppm; 100ppm and
higher, use 3 digit code: 101 =100ppm, 452 =4500 ppm, etc.
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.
Programming Basics
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