TELEPHONE: 814-362-5536 FAX: 814-362-8883
134
SPEER ELECTRONICS, INC.
TYPE L C D d l
(reference) (maximum)
MF 55 0.256 0.281 0.091 ± 0.012
6.3 7.1 2.3± 0.3
MF 60 0.374 0.437 0.138 ± 0.016
9.5 11.1 3.5 ± 0.4
MF 65 0.610 0.721 0.217 ± 0.020 0.031 ± 0.002 1.500 ± 0.125
15.5 18.3 5.5 ± 0.5 0.80 ± 0.05 38.1 ± 3.2
TYPE POWER MAX MAX DWV OPER RESISTANCE RANGE (Ω) E-96
RATING WORKING OVERLOAD TEMP.
@70°C VOLTAGE VOLTAGE RANGE
MF55D 1.0Ω-22.1MΩ10Ω-5.9MΩ24.3Ω-1.0MΩ24.3Ω-750KΩ
MF55C 0.25W 250V 500V 500V 1.0Ω-2.21MΩ10Ω-5.9MΩ30.1Ω-1.0MΩ30.1Ω-750KΩ
MF55E 30.1-1.0MΩ30.1-1.0MΩ30.1Ω-1.0MΩ30.1Ω-750KΩ
MF60D -55°C 1.0Ω-33.2MΩ10Ω-10MΩ----------- -----------
MF60C 0.50W +155°C 1.0Ω-5.6MΩ10Ω-10MΩ47.5Ω-1.5MΩ47.5Ω-1.0MΩ
MF60E 47.5Ω-2.0MΩ47.5Ω-2.0MΩ47.5Ω-1.5MΩ47.5Ω-1.0MΩ
MF65D 350V 700V 700V 1.0Ω-6.81MΩ10Ω-5.11MΩ----------- -----------
MF65C 1.0 W 1.0Ω-6.81MΩ10Ω-5.11MΩ47.5Ω-2.49MΩ47.5Ω-1.0MΩ
MF65E 47.5Ω-5.11MΩ47.5Ω-4.64MΩ7.5Ω-2.49MΩ47.5Ω-2.0MΩ
LEADED RESISTOR
MF
PRECISION METAL FILM
LEADED GENERAL PURPOSE
- Units meet or exceed the requirements
of MIL-R-10509
- Suitable for automatic machine insertion
- Blue - Gray body color
±1% ±0.5% ±0.25% ±0.10%
STANDARD APPLICATIONS
0.024 ± 0.002 1.18 ± 0.12
0.60 ± 0.05 30.0 ± 3.0
DIMENSIONS (in/mm)
ORDERING AND SPECIFYING INFORMATION
MF55 D 24R3 B T52
TYPE TCR* RESISTANCE TOLERANCE PACKAGING
MF55 D=±100 ppm* XXXX B=±0.1% MF55 - T26A, T52, VT, VTP, VTE,
C=±50 ppm 3 Significant figures C=±0.25% M10, M25, U
MF60 E=±25 ppm + D=±0.5% MF60 - T52, M125, M15
Multiplier F=±1.0% MF65 - T521
MF65 R indicates decimal NONE: Bulk
point on values < 100 Ω
-
* Please Note: for MF55D + MF60D values over 2.21MΩ + TCR is ± 300 ppm/°C
LEADED
COMPONENTS
TELEPHONE: 814-362-5536 FAX: 814-362-8883
135
SPEER ELECTRONICS, INC.
PARAMETER CHARACTERISTIC LIMITS TEST METHOD
TEMPERATURE COEFFICIENT
(ppm / °C) max ± 25(E) ± 50 (C) ± 100 (D)
Short-time Overload ±(0.15% + 0.05Ω)±(0.15% + 0.05Ω)±0.30% + 0.05Ω) 2.5 x RCWV, 5 seconds
Resistance to Solder Heat ±(0.20% + 0.05Ω)±(0.20% + 0.05Ω±(0.20% + 0.05Ω) MIL-STD-202, Method 210
Moisture Resistance ±(0.50% + 0.05Ω)±(0.50% + 0.05Ω)±(1.00% + 0.05Ω) MIL-STD-202,Method 106
Load Life ±(0.50% + 0.05Ω)±(0.50 + 0.05Ω)±(1.00% + 0.05Ω) MIL-STD-202,Method 108 70°C, 1000 hours
Failure Rate 2000 hrs at Std Load Life followed by 8000 hrs
at cycled 1/2 RCWV
Temperature Cycling ±(0.30% + 0.05Ω)±(0.30% + 0.50Ω)±(0.30% + 0.05Ω)- 55°C, 25°C, 25°C: 5 cycles
Vibration ±(0.10% + 0.05Ω)±(0.10% + 0.05Ω)±(0.10% + 0.05Ω) MIL-STD-202, Method 214
Terminal Strength 2 # min 5 # min 5 # min MIL-STD-202, Method 211
Current Noise < 1.0µv/v/decade MIL-STD-202, Method 308
Voltage Coefficient < 20 ppm/v MIL-STD-202, Method 301
MF 60
MF 55
MF 65
70
60
50
40
30
20
10
0 25 50 75 100
POWER RATING (%)
LEADED RESISTOR
MF
PRECISION METAL FILM
SURFACE TEMP. RISE (°C)
PERFORMANCE CHARACTERISTICS
<100 ppm / 1000 hrs
LEADED
COMPONENTS
