PRECISION THIN FILM CHIP ARRAYS
Exceptional performance & stability!
TC to 5ppm, TC tracking to 2ppm
Tolerance to 0.05%,matching to 0.01%
4 resistors per array reduces mounting costs
Custom schematics and multiple values available
STF SERIES
TYPICAL PERFORMANCE CHARACTERISTICS
SPECIFICATIONS
RESISTORSCAP
ACITORS
C
OILSDELAY LINES
STF1 STF2
Resistance Range
1
24.9W to 100KW 100W to 24KW
Absolute Tolerance ±0.1%, 0.25%, 0.5%, 1% ±0.05%, 0.1%, 0.25%
Optional MatchingTolerance 0.1%, 0.25%, 0.5% 0.01%, 0.02%, 0.05%, 0.1%
Optional Marking 4-digit resistance code available
RCD
Type
Con-
g
Wattage per
Resis.Element
Wattage per
Package
Working
Voltage
Resis.
Range
Absolute
TC
(ppm/°C)
Tracking
TC (Opt.)
L ±.01
[.25]
W±.008
[.2]
P±.008
[.2]
H
Max
T typ.
STF1 A 15.6mW .0625W 50V
24.9W to
2KW
±10ppm,
±15ppm
15ppm
.126 [3.2] .063 [1.6]
.031
[.80]
.026
[.65]
.012
[.30]
24.9W to
100KW
±25ppm,
±50ppm
15, 25,
50ppm
STF2 A 62mW 0.25W 80V
100W to
24KW
±5ppm,
±10ppm,
±25ppm
2, 5,
10ppm
.197 [5] .197 [5]
.050
[1.27]
.039 [1]
.032
[0.8]
Operating Temp. Range -55°C to +155°C
Short time Overload (2.5X rated W, 5 sec) ±0.05%
Resistance to Solder Heat (260°C, 10 sec) ±0.05%
Moisture Res. (90-95% RH, 40°C,100 hrs) ±0.1%
Temp. Cycling (-65 to +125°C, 5 cycles) ±0.1%
Load Life (1000 hrs at rated W
25
) ±0.1%
Insulation Resistance 10,000 Megohm
FA115C Sale of this product is in accordance with GF-061. Specications subject to change without notice.
Cong. A (custom circuits avail.)
1
↑
↓
P
← →
L
W
→ ←
T
H
↓
↑
→ ←
RoHS
Term.W
is RoHS
compliant
& 260°C
compatible
DIMENSIONS
RCD Type A B C D
STF1 0.8 1.0 0.45 0.35
STF2 3.0 1.5 0.635 0.635
→ ←
C
SUGGESTED PAD LAYOUT (mm)
B
↑
↓
↑
↓
→ ←
D
A
P/N DESIGNATION:
Termination: W= RoHS (Tin plated Ni)
STF2 A - 1002 - B 52 T W
RCD Type
Packaging: B = Bulk, T = Tape & Reel
Cong: A
Tolerance Code: A=0.05%, B= 0.1%,C=.25%,D=.5%,F=1%
Option (leave blank if standard)
Res.Code 3 sig. gures & multiplier
(1000=100W, 1001=1KW, 1002 = 10KW, etc)
Ratio Tolerance: Y=0.01%, Q=0.02%, A=0.05%, Z=0.1%,
C=0.25%, D=0.5% (leave blank if not required)
TC: 50=50ppm, 525=50ppm abs/25ppm track, 25=25ppm, 225=25ppm
abs/25ppm track, 215=25ppm abs/15ppm track, 210=25ppm abs/10ppm
track, 205=25ppm abs/5ppm track, 10=10ppm, 115=10ppm abs/15ppm track,
110=10ppm abs/10ppm track, 105=10ppm abs/5ppm track,102=10ppm
abs/2ppm track,5=5ppm, 52=5ppm abs/2ppm track
DERATING CURVE
Resistors may be operated up to full rated power with consideration of
mounting density, pad geometry, PCB material, and ambient temperature.
-55 50 60 70 80 90 100 110 120 130 140 150 160
AMBIENT TEMPERATURE (°C)
100
80
60
40
20
0
% OF RATED POWER
155
*Limited resistance range
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
1
Consult factory for extended range