ECONOMICAL 1 WATT TO 3 WATT
POWER FILM MELF RESISTORS
RESISTORS CAPACITORS COILS DELAY LINES
MPF SERIES
FEATURES
RoHS
Term.W is
RoHS
compliant
& 260°C
compatible
High power in small body size
Low cost MELF design
Wide resistance range: 0.1Ω to 10MΩ
Standard tolerance: ±5% (available to ±0.1%)
Inherent low inductance power film performance
RCD’s MPF Series utilize special filming processes and
highest grade materials to achieve high power density, yet
the economical MELF package enables pricing well below
rectangular counterparts. The multilayer coating offers
excellent environmental protection and dielectric strength,
and is resistant to industrial solvents, steam and humidity.
OPTIONS
Option P: Increased Pulse Capability
Option 37: Group A Screening per Mil-R-39008
Numerous design modifications are available (special
marking, matched sets, increased temperature, etc.)
L
W
D
Inch [mm]
SPECIFICATIONS
RCD
Type
MPF1
MPF2S
MPF2
MPF3S
MPF3
1
Wattage
Rating
1W
2W
2W
3W
3W
Voltage
Rating
1
300V
350V
400V
400V
400V
Resistance Range
2
0.1
Ω
to 1M
Ω
0.1
Ω
to 4.7M
Ω
0.1
Ω
to 6.8M
Ω
0.1
Ω
to 6.8M
Ω
0.1
Ω
to 10M
Ω
2
L Max.
.256 [6.5]
.375 [9.5]
.453 [11.5]
.453 [11.5]
.602 [15.3]
D Max.
.106
.146
.185
.185
.201
[2.7]
[3.7]
[4.7]
[4.7]
[5.1]
W (Min.)
.036 [.9]
.047 [1.2]
.056 [1.4]
.056 [1.4]
.064 [1.6]
Not to exceed
√
(PxR), increased working voltages available.
Extended range available
TYPICAL PERFORMANCE CHARACTERISTICS
Temperature Coefficient
200ppm/°C
≤
1M,
350ppm 1M-6.8M,
500ppm >6.8M)
-55 to +165°C
1.053%/°C >70°C
.714%/°C >25°C
500V
10,000Meg ohm
95% Min.
0.5% MPF1,2,3;
1% MPF2S, 3S
25ppm/V
0.3%
1%
2%
2% MPF1,2,3;
4% MPF2S, 3S
PULSE CAPABILITY
10000
Operating Temperature
MPF1, 2, 3 Power Derating:
MPF2S, 3S Power Derating:
Dielectric Strength
Insulation Resistance
Solderabilty
Short Time Overload (2.5xW 5S, not to
exceed 2x volt rating)
Voltage Coefficient
Resistance to Solder Heat (245°C,5S)
Temperature Cycling
Moisture Resistance
Load Life (1000 hours at rated W)
Peak Power (watts)
1000
100
MPF3P
MPF2P, 3SP
MPF2SP
MPF1P
10
1uS
10uS
100uS
1mS
10mS
100mS
Pulse Duration
Pulse capability is dependent on res. value, waveform, repetition rate,
current, etc. Chart is a general guide for Opt. P pulse resistant version,
single pulse, with peak voltage levels not exceeding 1KV MPF1, 1.5KV
MPF2S, 2KV MPF2, 2.5KV MPF3S, 3KV MPF3. Max pulse capability for
standard parts (w/o Opt.P) is 50% less. For improved performance and
reliability, a 30-50% pulse derating factor is recommended, or larger for
frequent pulses, high values, etc. (refer to #R-42). Verify selection by
testing under worst-case conditions. Increased pulse levels available.
P/N DESIGNATION:
RCD Type
MPF2S
- 102 - J
T W
APPLICATION NOTE
The temp. rise of SM resistors depends largely on heat conduction
through the end terminations, which can vary significantly
depending on PCB material and layout (i.e. pad size, trace area,
copper thickness, air convection, etc). Typical temperature rise at
full rated power is 100°C for MPF1,2,3 and 150°C for MPF2S & 3S
(based on DIN44050 PCB material with 500 sq. mil circuit traces
MPF1, 2, 2S and 1000 sq. mil MPF3,3S). It is recommended to
evaluate product in actual use conditions to ensure the proper
component and PCB layout is utilized.
Options:
P, 37 (leave blank if standard)
Resis. Code:
≤
1%:
3 signif. figures & multiplier,
e.g. R100= 0.1Ω, 1R00= 1Ω,1000= 100Ω, 1001= 1KΩ.
Resis. Code 2% - 10%:
2 signif. figures & multiplier,
e.g. R10=.1Ω, R15=.15Ω, 1R0=1Ω,100=10Ω, 102=1K, 103=10KΩ
Tolerance
: J= 5% (std), D=0.5%, F=1%, G=2%, K=10%
Packaging
: B = Bulk, T = Tape & Reel
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
FA026D
Sale of this product is in accordance with GF-061. Specifications subject to change without notice.
19
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