ULTRA PRECISION METAL FILM RESISTORS
RESISTORS CAPACITORS COILS DELAY LINES
PMF SERIES
RoHS
Term.W is
RoHS
compliant
& 260°C
compatible
Tolerances to ±0.01%, TC’s to ±3ppm/°C
Exceptional performance levels
Extremely low noise, reactance, voltage coefficient
All sizes available on Tape & Reel
OPTIONS
Option S: miniature size
Option ER: 100 hour burn-in (full rated W
25°C
)
Also available: matched sets, axial and vertical cut &
formed leads, hi-rel screening, special marking, hermetic
seal, non-standard values, increased power & voltage, etc.
Customized components are an RCD speciality!
RCD’s PMF Series meets the need for ultra-precision performance
when product reliability is a must. Stability levels (comparable to
those of precision wirewound resistors), coupled with the
excellent high-frequency performance of film resistors, makes
the PMF Series the universal choice. State-of-the-art deposition
and trim equipment enables the industry’s widest resistance
range. The exceptional performance of this series provides new
opportunities for circuit designers to obtain the utmost in long
term reliability without the need for post circuit trimming.
←
H
→←
L
→
↓
↑
d
→
D
←
Inch [mm]
DERATING:
Derate W and V per graph when ambient temp exceeds 85°C
85°
% OF RATED POWER
DIMENSIONS
RCD
Type
PMF1/20
PMF1/10
PMF1/8S
PMF1/8
L ± .032
[.8]
.150 [3.8]
.280 [7.1]
.280 [7.1]
.380 [9.6]
.380 [9.6]
.578 [14.7]
.736 [18.7]
D ± .025
[.6]
.065 [1.7]
.105 [2.7]
.105 [2.7]
.140 [3.5]
.140 [3.5]
.189 [4.8]
.250 [6.35]
d ± .003
[.08]
.018 [.45]
.025 [.6]
.025 [.6]
.025 [.6]
.025 [.6]
.025 [.6]
.031 [.8]
H (Min.)
.94 [24]
1.1 [28]
1.1 [28]
1.25 [32]
1.25 [32]
1.22 [31]
1.25 [32]
120
100
80
60
40
20
0
30
50
70
90
110
130
AMBIENT TEMPERATURE (°C)
150
PMF1/4S
PMF1/4
PMF1/2
TYPICAL PERFORMANCE
Temp.Coefficient (-20 to +85°C,
25ppm/°C (std), 15ppm,
Ref 25°C)
10ppm, 5ppm, 3ppm
Thermal Shock (-55~ +85°C, 5cyc 1/2hr)
0.02%
Moisture Resist. (MIL-STD-202, M.106)
0.08%
Resistance to Solder Heat (260°C, 10S)
0.02%
Short Time Overload (2.5x RCWV, 5S,
0.01% (.02% Opt.S)
NTE 1.5xVR)
Life (1000 hrs., full power)
0.02% (.05% Opt.S)
Shelf Life (Max. per year)
50 P P M
Dielectric Strength
500V (300V PMF1/20)
Operating Temperature
-55 to +150°C
SPECIFICATIONS
RCD
Type
PMF1/20
PMF1/10
PMF1/8S
PMF1/8
PMF1/4S
PMF1/4
PMF1/2
Wattage
@ 85°C
1/20
1/10
1/8
1/8
1/4
1/4
1/2
Voltage
Rating*
200
250
250
300
300
350
400
Resistance
R an g e
10
Ω
to 604K
10
Ω
to 1.5Meg
10
Ω
to 1.5Meg
10
Ω
to 2 Meg
10
Ω
to 2 Meg
10
Ω
to 5 Meg
10
Ω
to 10 Meg
* Maximum working voltage determinedby E =
column above.
PR, E should not exceed value listed in
P/N DESIGNATION:
PMF1/10
RCD Type
Options:
S, ER, etc. (leave blank if standard)
Resis. Code:
3 signif. figures & multiplier,
e.g. 1R00= 1Ω, 10R0=10Ω, 1000= 100Ω, 1001=1KΩ,
1002=10KΩ, 1003=100KΩ, 1004=1MΩ,1005=10MΩ
Tolerance Code:
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
- 1001
-
Q
B
5 W
MATCHED SETS AND NETWORKS
RCD’s experience in matching resistors for sets and networks
can result in an economical solution for many circuits. Cost
savings up to 50% can be achieved by allowing relatively loose
absolute tolerances but tight matching requirements by pair or
set. Resistance matching is available to 0.01% and T.C.
tracking to ±1ppm/°C.
Temp. Coefficient:
(5=5ppm, 10=10ppm, 25=25ppm, 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
FA043B
Sale of this product is in accordance with GF-061. Specifications subject to change without notice.
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