OPEN-AIR LOW VALUE CURRENT SHUNT RESISTORS
RESISTORSꢀCAPACITORSꢀCOILSꢀDELAY LINES
0.001Ω to 0.15Ω, 1 WATT to 5 WATT
New narrow profile design
offers significant space
savings!
Term.W is
RoHS
compliant
& 260°C
compatible
OA SERIES
RoHS
ꢀ Industry’s widest range and lowest cost!
ꢀ Tolerances to ±0.5%, TC’s to ±20ppm
ꢀ Available on exclusive SWIFT TM delivery program!
ꢀ Option S: Axial lead (unformed element)
ꢀ Option E: Low Thermal EMF
RCD’s OA series offers cost-effective performance for a wide range of
current shunt/sense applications. The non-insulated open-air design
features non-inductive performance and excellent stability/overload capacity.
Numerous design modifications and cutom styles are available...
current ratings up to 100A, surface mount designs, military screening/
burn-in, marking, insulation, intermediate values, etc. Custom shunts
have been an RCD specialty over 30 years! Contact factory for assistance.
ꢀ Option A: Stand-offs formed into lead wires
ꢀ Optional pin diameters and pin spacing
Option ‘A’ Stand-offs:
B2
For stand-off, specify Opt. A
(e.g. OA2BA, OA5AA). Resis. value
is measured at bottom of stand-off.
Solderable to within
.062” [1.57] of element.
Stand-off
width = C+.01”
[.25] min
.11±.04
[2.8±1]
Resis. value measured
.062” [1.57] from element.
.125±.062
[3.2± 1.6]
Typical*
.150”
Min.
.15 [3.8]
A
min.
A
C
Typical shape depicted--actual shape may vary within envelope given.
Overall length not to exceed Dim.A +.12” [3]. Dimensions in inches [mm].
* Most values are .125 [3.2] wide, lowest 2W-5W are .187 [4.75] wide,
highest 1W-2W values are .062 [1.6] wide
Note 1: resis.
value is tested
3/8” from body
D
Note 1
Note 1
Option ‘S’ Straight Axial Lead Design (lead length = 1.25” [31.8] min)
SPECIFICATIONS
RCD Power
Type Rating1 With Std.Lead With Opt. Lead
Current Rating1
Resistance A (lead spacing) ±.040 [1]
C (lead diameter)
Standard Optional
B Max.2
D Max.
Range
Standard
Optional2
OA1A
OA1B
OA2A
OA2B
OA3A
OA5A
1W
1W
2W
2W
3W
5W
14A
17A
22A
24A
26A
32A
17A
14A
24A
22A
24A
40A
.001Ω-.08Ω .40 [10.5] .2"[5], .275" [7] .35 [8.9]2 20AWG 18AWG (Opt. 18) 1.20 [30.5]
.001Ω-.08Ω .45 [11.4] .2"[5], .275" [7] .30 [7.6]2
18AWG 20AWG (Opt .20) 1.20 [30.5]
.001Ω-.1Ω
.001Ω-.1Ω
.40 [10.5] .2"[5], .275" [7] .70 [17.8]2 20AWG 18AWG (Opt. 18) 1.95 [49.5]
.60 [15.2] .2"[5], .275" [7] .60 [15.2]2 18AWG 20AWG (Opt .20) 1.95 [49.5]
.001Ω-.12Ω .60 [15.2] .2"[5], .275" [7] .90 [22.9]2 18AWG 20AWG (Opt .20) 2.50 [63.5]
.0025Ω-.15Ω .80 [20.3] .2"[5], .275" [7] 1.0 [25.4]2 18AWG 16AWG (Opt. 16) 2.94 [74.7]
1Units not to exceed wattage or current rating, whichever is less. Current rating is based on standard lead diameter, increased ratings available.
2Dim.B applies only to parts formed to the standard lead spacing (increase accordingly for options 80 & 27). Custom pin spacings are available.
STANDARD RESISTANCE VALUESAND CODES
Intermediate values available, most popular values listed in bold:
.001Ω (R001), .0015Ω (R0015), .002Ω (R002), .0025Ω (R0025), .003Ω(R003),
.005Ω (R005), .0068Ω (R0068), .0075Ω (R0075), .0082Ω (R0082), .01Ω (R010 if
≤1%,R01 ≥2%), .012Ω (R012), .015Ω (R015), .02Ω(R020 if ≤1%, R02≥2%),
.022Ω (R022), .025Ω (R025), .03Ω (R030 if ≤1%, R03 ≥2%), .033Ω (R033),
.04Ω (R040 if≤1%, R04 ≥2%), .05Ω (R050≤1%, R05≥2%), .068Ω(R068),
.07Ω (R070 if ≤1%, R07 ≥2%), .075Ω (R075), .08Ω (R080 if≤1%, R08 ≥2%),
.1Ω (R100 if≤1%, R10 ≥2%).
TYPICAL OPERATING CHARACTERISTICS:
TEMPERATURE RANGE: -55 to +275°C
DERATING: derate power & current rating by 0.4%/°C above 25°C
OVERLOAD: 5 x rated power for 5 seconds
LOAD LIFE @ 25°C (1000 hrs): 1%∆R
MOISTURE No Load (1000 hrs): 1% ∆R
INDUCTANCE: <10nH
TEMP. CYCLING -40°C to+125°C (1000 cycles): 1% ∆R
OA2A
- R001 - J B
W
P/N DESIGNATION:
TOLERANCE AND T.C. OPTIONS
RCD Type
Temp. Coef. (ppm/°C)
Resistance Range
Tol. Range
Design Options: S=unformed, E= low
thermal EMF, A=standoffs. Leave blank if std.
Typical
Best Avail.*
.001 to .0049Ω
(OA5A=.0025 to .005Ω)
Lead Spacing Option: 80=.2” [5mm],
3% to 10%
1% to 10%
1% to 10%
900ppm
200ppm
27=.275”[7mm]. Leave blank if std.
Lead Diameter Option: 20=20AWG, 18=18AWG,
16=16AWG. Leave blank if standard.
Resis.Code (see table): R01, R010, R100, etc.
.005 to .0099Ω
(OA5A=.006 to .015Ω)
600ppm
200ppm
100ppm
50ppm
.010 to .024Ω (OA5A=.016
to .025Ω)
Tolerance Code: D=0.5%, F=1%, G=2%, H=3%,J=5%, K=10%
Packaging: B = bulk (standard)
.025 to .049Ω
.05 to .10Ω
1% to 10%
1% to 10%
100ppm
50ppm
30ppm
20ppm
TC (see table for options): 20=20ppm, 30=30ppm, 50=50ppm, 101=100ppm,
201=200ppm, 301=300ppm. (leave blank if standard)
* TC options vary depending on size and value (consult factory for availability)
Termination: W=Lead-free, Q=Tin/Lead (leave blank if either is acceptable)
-
-
-
-
RCD Components Inc, 520 E.Industrial Park Dr, Manchester, NH, USA 03109 rcdcomponents.com Tel: 603 669 0054 Fax: 603 669 5455 Email:sales@rcdcomponents.com
FA007D Sale of this product is in accordance with GF-061. Specifications subject to change without notice.
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