PRECISION 4-TERMINAL RESISTORS,
2- TO 20-WATT CERAMIC ENCASED
RESISTORS CAPACITORS COILS DELAY LINES
RCD LVH10
.0025Ω 5%
Ω
Term.W is
RoHS
compliant
& 260°C
compatible
LVF & LVH SERIES
FEATURES:
RCD LVF10
.005Ω 1%
Ω
RoHS
Industry’s widest range of 4-terminal power resistors!
Standard tolerances to 0.1%, TC’s to 5ppm
Welded & fireproof construction
Available on exclusive
SWIFT
TM
delivery program!
4-terminal “Kelvin” design eliminates contributing error
due to lead resistance
Standard current ratings to 40A (up to 100A on custom basis)
For surface mount design up to 3W see SF series
Four-Terminal Current Sensing as low as 0.0005Ω
RCD’s Series LVF resistors feature a 4-terminal “Kelvin”
design to eliminate the effects of lead resistance. Precision
resistive element is potted inside a ceramic case for excellent
durability and environmental protection. Series LVF resistors
are well-suited for current sensing applications including test
instrumentation, power supplies, and power amplifiers.
Specify option E when circuits require low thermal EMF.
OPTIONS:
Option X: Non-inductive design
Option E: Low thermal EMF design
Numerous other options available including custom
marking, lead forming, lead diameter, burn-in, etc.
TEMPERATURE COEFFICIENT
Resis. Range
.0005 to .0049
Ω
.005 to .0249
Ω
.025 to .99
Ω
1 to 9.9
Ω
10
Ω
and up
Standard TC (ppm/°C, typ)
600 ppm
200 ppm
100 ppm
50 ppm
30 ppm
Optional TC
200, 100, 50
100, 50, 30
50, 30, 20
30, 20, 10
20, 10, 5
←
1.25 [31.8] typ.
→←
A
→
LVF
LVF
↑
←
D
→
.500
[12.7]
min.
↓
→
↑
.032 [.8] 2 & 3W,
.040 [1] 5 -20W, typ 4 pl
B
←
↑
C
↓
DERATING:
% RATED POWER/CURRENT
100
80
60
40
20
0
50
100
150
200
AMBIENT TEMPERATURE °C
250
300
↓
←
1.25 [31.8] typ.
→←
A
→
LVF
LVH
E
↓
↑
.032 [.8] 2 &3W,
.040 [1] 5 -20W
↓
↑
→
B
←
↑
C
↓
RCD
Type
LVF2S, LVH2S
LVF2, LVH2
LVF3, LVH3
LVF5, LVH5
LVF7, LVH7
LVF10, LVH10
LVF15, LVH15
LV20F, LVH20
Wattage
Rating
1
2
2
3
5
7
10
15
20
2
Max.
Max.
Working
Current
1, 3
Voltage
1, 2
100V
100V
150V
200V
350V
500V
540V
600V
15A
20A
25A
30A
35A
40A
40A
40A
Resistance
Range (
Ω
)
.0005 - 10K
.0005 - 15K
.001 - 25K
.001 - 30K
.001 - 50K
.001 - 100K
.001 - 100K
.002 - 200K
DIMENSIONS [Numbers in brackets are mm]
A
B
C
D (LVFonly) E (LVH only)
±.04 [1.0]
±.032 [.81]
±.032 [.8]
±.12 [3]
±.032 [.8]
.59 [15]
.25 [6.35]
.25 [6.35]
.45 [11.43]
.075 [1.9]
.70 [17.58]
.27 [6.8]
.27 [6.8]
.50 [12.7]
.075 [1.9]
.88 [22.4]
.31 [7.9]
.31 [7.9]
.56 [14.2]
.10 [2.54]
.88 [22.4]
.38 [9.7]
.35 [8.9]
.56 [14.2]
.10 [2.54]
1.42 [36] Max
.38 [9.7]
.35 [8.9]
1.00 [25.4]
.10 [2.54]
1.96 [50] Max
.38 [9.7]
.38 [9.7]
1.38 [35.0]
.10 [2.54]
1.96 [50] Max
.50 [12.7]
.50 [12.7]
1.38 [35.0]
.125 [3.17]
2.55 [65] Max
.50 [12.7]
.50 [12.7]
2.00 [50.8]
.125 [3.17]
3
Units not to exceed wattage, current, or voltage rating, whichever is less
1
Consult factory for increased ratings
Working Voltage = (PR)
1/2
, voltage not to exceed the maximum value listed
P/N DESIGNATION:
RCD Type
Option:
X, E (Leave blank if standard)
LVF5
- R005 - J B
W
SUGGESTED MOUNTING
Resis. Code
0.1%- 1% tol. use 3 signif. digits & multiplier,
R010=.01Ω, R100=.1Ω, 1R00=1Ω, 10R0=10Ω, 1000=100Ω,1001=1K.
2%-10% use 2 digits &multiplier, e.g. R01=0.01Ω, R10= 0.1Ω,
1R0=1Ω, 100=10Ω, 101=100Ω, 102=1K, etc.
Use extra digits as necess: R005, R0025, R0075, R012
Tolerance:
K=10%, J=5%, H=3%, G=2%, F=1%, D=0.5%, C=0.25%,B=0.1%
Packaging:
B = Bulk (standard)
Optional TC:
(leave blank if standard): 5= 5ppm, 10= 10ppm,
20= 20ppm, 30= 30ppm, 50=50ppm, 101= 100ppm, 201= 200ppm
Termination:
W= Lead-free, Q= Tin/Lead (leave blank if either is acceptable)
Bend leads approximately 1/8” from body. If operating at or
near rated power, standoffs are suggested to prevent
overheating of the PCB. Utilize heavy duty copper traces
adequate for intended current levels.
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
FA010C
Sale of this product is in accordance with GF-061. Specifications subject to change without notice.
54
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