4-TERMINAL SURFACE MOUNT
RESISTORS CAPACITORS COILS DELAY LINES
SF SERIES
RoHS
Term.W is
RoHS
compliant
& 260°C
compatible
Industry’s widest range! Values from .001Ω-5KΩ,
tolerances to ±0.01%, TC’s to 5ppm, 1W to 3W
Excellent for current sensing applications
Available on exclusive
SWIFT
TM
delivery program!
OPTIONS
Option X: Low inductance design
Option P: Increased pulse capability
Option E: Low thermal EMF design
Also available: burn-in, leaded version, custom-marking,
increased current rating, matched sets, etc.
Resistance
(ohms)
.001 - .0049
.005 - .0099
.01 - .024
.025 - .049
.05 - .099
.1 - .99
1 Ohm and above
Available
Tolerances
1% - 10%
.5% - 10%
.25% - 10%
.1% - 10%
.05 - 10%
.02% - 10%
.01% - 10%
Standard Temp Coef.
(Optional TC)
600ppm/°C
(300, 200, 100, 50ppm)
600ppm/°C
(200, 100, 50, 25ppm)
200ppm/°C
(100, 50, 25ppm)
150ppm/°C
(100, 50, 25ppm)
90ppm/°C
(50, 25, 15ppm)
50ppm/°C
(25, 15, 10ppm)
30ppm/°C
(20, 10, 5ppm)
RCD’s Series SF resistors feature an all-welded “Kelvin” 4-
terminal design in a surface mount package, reducing the
effects of lead resistance. High -temperature case provides
excellent environmental protection. Series SF utilizes the
same technology as our popular Series LVF leaded
resistors with over 30 years of proven experience.
RCD
Type
S F1
SFG2
Wattage
@ 25°C
1W
2W - 3W*
Max.
Current
10A
15A
Resistance
R an g e
.001 to 4K
.001 to 5K
* SFG2 capable of 3W dissipation with consideration of pcb layout and pad geometry
SF1
←
.350 [8.89]
→
SIDE VIEW
←
.275 [7]
→
END
VIEW
.050
→
[1.25]
←
V
1
V
2
↓
.125
[3.18]
.03 [.76]
→
↓
←
.270
→
[6.86]
↑
.10
[2.54]
TYPICAL PERFORMANCE SPECIFICATIONS
Operating Temp.
Dielectric Strength
Short-time Overload
Moisture Resistance
High Temp. Exposure
Load Life (1000 hours)
Temperature Cycling
Shock and Vibration
-55° to +175° C
250V Min.
5x rated W, 5 Sec
.5%
.2%
1%
.5%
.1%
.14 [3.6]
→
PAD LAYOUT
SFG2
←
.590 [15]
→
SIDE VIEW
←
.420
→
[10.7]
←
.827 [21] Max.
→
↑
.13
[3.3]
.09 [2.3]
→ ←
.33 [8.4]
→
PAD LAYOUT
DERATING CURVE
100
% OF RATED POWER
& CURRENT
P/N DESIGNATION:
RCD Type
(SF1 or SFG2)
Options:
X,E, etc (leave blank if standard)
75
50
25
0
25
50
75
100
125
150
175
AMBIENT TEMPERATURE (°C)
Resis. Code .01% -1%:
3 signif. figures & multiplier, R001=.001Ω,
R010=.01Ω, R100= .1Ω, 1R00=1Ω,10R0=10Ω, 1000=100Ω, 1001=1K
Resis. Code 2% - 10%:
2 signif. figures & multiplier, R001=.001Ω,
R01=.01Ω, R10= 0.1Ω, 1R0= 1Ω,100= 10Ω, 101=100Ω, 102= 1KΩ.
Use extra digits as needed (R0125, R0075, etc).
Tolerance Code:
K=10%, J=5%, H=3%, G=2%, F=1%,
D=0.5%, C=0.25%, B=0.1%, A=0.05%, Q=0.02%, T=0.01%
Packaging:
B = Bulk, T = Tape & Reel
Optional TC
(leave blank for std): 5=5ppm, 10=10ppm, 20 = 20ppm,
etc; 100ppm and above use 3-digit code: 101=100ppm, 201=200ppm, 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
rcdcomponents.com
Tel: 603
-
669
-
0054 Fax: 603
-
669
-
5455 Email:sales@rcdcomponents.com
FA060A Sale of this product is in accordance with GF-061. Specifications subject to change without notice.
25
21
21
21
21
21
21
21
21
.024 [.6]
↓
→
4321
4321
4321
←
.630 [16]
21
21
21
321
321
321
↑
.08 [2]
→
←
.22
→ ↑
[5.6]
.120 [3]
←
↓
C
1
C
2
SCHEMATIC
21
21
21
321
321
321
.250
←
[6.35]
→
END VIEW
↓
.260
[6.6]
↑
←→
.040
←→
.115
←
.35 [8.9]
→
Max.
→
4321
4321
4321
.12 [3]
←
.06 [1.5]
C
1
V
1
C
2
↓
.085
[2.16]
↑
V
2
→ ←
.062 [1.6]
SCHEMATIC
SF1
- R001 - J T
W
PCB Design
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