PRECISION METAL FILM RESISTORS
RESISTORS CAPACITORS COILS DELAY LINES
MF SERIES
RoHS
Term.W is
RoHS
compliant
& 260°C
compatible
Wide resistance range: 1.0Ω to 22.1 Meg
TC ±25 to ±100ppm standard, matching to 10ppm
Precision quality, excellent stability, low cost
Meets performance requirements of MIL-R-10509 and
EIA RS-460 (screening per Mil-PRF-55182 available)
Extremely low noise, reactance, voltage coefficient
Available on exclusive
SWIFT
TM
delivery program!
All sizes available on Tape & Reel
OPTIONS
Custom marking, formed leads, matched sets, burn-in,
increased power/voltage/pulse capability, flameproof, etc.
Military-grade performance at commercial grade price!
RCD MF Series metal film resistors have been designed to meet or
surpass the performance levels of MIL-R-10509 characteristics D,
C, and E. The film is a nickel-chrome alloy, evaporated onto a high
grade substrate using a high vacuum process to ensure low TC’s
and superb stability. The resistors are coated or encased with a
high-temp epoxy to ensure utmost moisture and solvent protection.
Stringent controls are used in each step of production to ensure
‘built-in’ reliability and consistent quality. Resistors are available
with alpha-numeric or color band marking.
←
H
1
→←
L
→
RCD Type
MF50
MF55
MF60
MF65
MF70
MF75
L (Max.)
.168 [4.3]
.285 [7.2]
.404 [10.3]
.598 [15.2]
.724 [18.4]
1.114 [28.3]
D (Max.)
.075 [1.9]
.102 [2.6]
.160 [4.06]
.211 [536]
.264 [6.7]
.409 [10.4]
↓
↑
d
→
D
←
DERATING
% OF RATED W AND V
100
80
60
40
20
0
30
50
70
90
110
130
150
AMBIENT TEMPERATURE (°C)
170
190
d (Max.)
.020 [.5]
.026 [.66]
.026 [.66]
.028 [.7]
.032 [.8]
.032 [.8]
H
1
(Min.)
1.00 [25]
1.00 [25]
1.10 [28]
1.18 [30]
1.18 [30]
1.30 [33]
1
Longer leads available
RCD
Type
MF50
MF55
MF60
MF65
MF70
MF75
MIL
TYPE
1
RN50
RN55
RN60
RN65
RN70
RN75
Wattage Rating
@ 70°C
1/8W
1/4W
1/2W
3/4W
1W
2W
Maximum
Working Voltage
200V
250V
300V
350V
400V
500V
2
TC R
2
Standard Resistance Range
1%
10
Ω
to 1.0M
Ω
1.0
Ω
to 22.1M
Ω
10
Ω
to 1.0M
Ω
2.5
Ω
to 5.1M
Ω
10
Ω
to 1.0M
Ω
10
Ω
to 10M
Ω
20
Ω
to 5.1M
Ω
10
Ω
to 15M
Ω
20
Ω
to 10M
Ω
20
Ω
to 15M
Ω
20
Ω
to 10M
Ω
PPM/°C
3
100, 50, 25
100, 50
25
100, 50
25
100, 50
25
100, 50
25
100, 50
25
.5% , .25% , .1%
10
Ω
to 562K
10
Ω
to 1.2M
Ω
10
Ω
to 1.2M
Ω
10
Ω
to 1.5M
Ω
10
Ω
to 1.5M
Ω
20
Ω
to 5.1M
Ω
20
Ω
to 5.1M
Ω
20
Ω
to 10M
Ω
20
Ω
to 10M
Ω
20
Ω
to 10M
Ω
20
Ω
to 10M
Ω
1
MIL type given for reference only and does not imply MIL qualification or exact interchangeability.
3
TC is measured at -20 to +85°C, referenced to 25°C. TC’s to 10ppm available.
Rated voltage = (PR)
1/2
or Max. Voltage Rating, whichever is less.
PERFORMANCE CHARACTERISTICS*
Load Life (1000 hrs, full Mil equiv power @25°C)
Short Time Overload
(2.5x RCWV, 5 Sec, NTE 1.5x VR)
Temp. Cycling (-55 to +85°C, 5 cycles, 1/2 hr)
Moisture Resistance (MIL-STD-202, M.106)
Effect of Solder (260°C, 10 Sec)
Low Temperature Operation (-65°, 1 hr)
Shock, Vibration (per MIL-PRF-55182)
Dielectric Strength (up to 1KV available)
Operating Temp. Range
0.10%
0.05%
0.10%
0.10%
0.02%
0.02%
0.01%
500V (MF50=300V)
-65 to +175°C
P/N DESIGNATION:
RCD Type
MF55
- 1002 -
B T 25 W
Option Code:
assigned by RCD
(leave blank if standard)
Resis. Code:
3 signif. digits & multiplier,
e.g. R100= 0.1Ω, 1R00= 1Ω, 10R0=10Ω, 1000=100Ω,
1001=1K, 1002=10K, 1003=100K, 1004=1M, 1005=10M
Tolerance Code:
F= 1%, D= 0.5%, C= 0.25%, B= 0.1%
Packaging:
B = Bulk, T = Tape & Reel
Temperature Coefficient:
25= 25ppm, 50= 50ppm, 101= 100ppm
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
* Data is representative of typical performance levels from 10Ω−100K
(consult factory for performance data outside this range).
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
FA068A
Sale of this product is in accordance with GF-061. Specifications subject to change without notice.
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