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MF1/4CC4992F

Description
Metal Film Resistors - Through Hole 49.9K 1% 50PPM
CategoryPassive components   
File Size205KB,2 Pages
ManufacturerKOA Speer
Websitehttp://www.koaspeer.com/
Environmental Compliance
Download Datasheet Parametric View All

MF1/4CC4992F Overview

Metal Film Resistors - Through Hole 49.9K 1% 50PPM

MF1/4CC4992F Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerKOA Speer
Product CategoryMetal Film Resistors - Through Hole
RoHSDetails
Resistance49.9 kOhms
Power Rating250 mW (1/4 W)
Tolerance1 %
Temperature Coefficient50 PPM / C
Minimum Operating Temperature- 55 C
Maximum Operating Temperature+ 155 C
Voltage Rating250 V
Diameter2.3 mm
Length7.1 mm
Termination StyleAxial
QualificationAEC-Q200
PackagingBulk
ProductMetal Film Resistors General Purpose
TypeSemi-Precision General Purpose Metal Film Leaded Resistor
Package / Case2.3 mm x 7.1 mm
TechnologyMetal Film
Mounting StylePCB Mount
Lead Diameter0.6 mm
Factory Pack Quantity1000
MF, MFS, RK
general purpose metal film leaded resistor
EU
features
Semi-precision metal film resistors
Meets requirements of MIL-R-22684
Suitable for automatic machine insertion
MFS two times the power rating of the standard body type
Products with lead-free terminations meet EU RoHS
and China RoHS requirements
AEC-Q200 Qualified: MF1/4, MFS1/4, MFS1/2
resistors
dimensions and construction
L
D
Trimming Line
Ceramic Core
d
l
Type
MFS1/4
L (ref.)
.126±.008
(3.2±0.2)
.248±.02
(6.3±0.5)
.248±.02
(6.3±0.5)
.354±.04
(9.0±1.0)
.610±.02
(15.5±0.5)
.248±.02
(6.3±0.5)
.374±.04
(9.5±1.0)
.610±.04
(15.5±1.0)
Dimensions
inches
(mm)
C (max.)
D
d (nom.)
.133
(3.4)
.280
(7.1)
.280
(7.1)
.437
(11.1)
.721
(18.3)
.280
(7.1)
.437
(11.1)
.720
(18.3)
.066
(1.7
+.007
-.004
+0.2
)
-0.1
l*
.018
(0.45)
.024
(0.6)
.024
(0.6)
.024
(0.6)
.031
(0.8)
.024
(0.6)
.024
(0.6)
.031
(0.8)
1.50±.118
(38.0±3.0)
0.94 min.
(24.0 min.)
1.50±.118
(38.0±3.0)
1.10±.118
(28.0±3.0)
Marking
Resistive
Film
End
Cap
Lead
Wire
MF1/4
MFS1/2
.091±.012
(2.3±0.3)
.091±.012
(2.3±0.3)
.138±.016
(3.5±0.4)
.217±.02
(5.5±0.5)
.091±.012
(2.3±0.3)
.138±.016
(3.5±0.4)
.217±.02
(5.5±0.5)
Insulation Coating
C
Derating Curve
100
80
% Rated Power
60
40
20
0
-60 -40 -20
-55
Surface Temperature Rise
70
Temperature Rise (°C)
MF1/2
MF1
RK1/4
RK1/2
MFS1/2
MF1/2
MF1
MFS1/4
MF1/4
60
50
40
30
20
10
0
0
25
50
75
0
80 100 120 140 160
155
70
Ambient Temperature
(°C)
20
40
60
100
RK1
% Rated Power
* Lead length changes depending on taping and forming.
ordering information
MF
Type
MF
MFS
RK
1/4
Power
Rating
1/4: 0.25W
1/2: 0.50W
1: 1W
L
T.C.R.
E: ±25
C: ±50
D: ±100
L: ±200
G: ±250
B: ±350
C
Termination
Material
C: SnCu
T52
Taping and Forming
1/4: T26, T52, VT, VTP,
VTE, MT, M, U,
M10, M12.5
1/2: T26, T52, VTP,
VTE, M12.5, M15
1: T521
R
Packaging
A: Ammo
R: Reel
R20
Nominal
Resistance
+2%: 2 significant
figures + 1 multiplier
+0.5%,+1%:
3 significant figures
+ 1 multiplier
“R” indicates
decimal on value
<100Ω
J
Tolerance
B: ±0.1%
C: ±0.25%
D: ±0.5%
F: ±1%
G: ±2%
J: ±5%
For further information on
packaging, please refer to
Appendix C.
applications and ratings
Minimum
Absolute Absolute
Resistance Range (Ω)
Power
Operating
Part
Dielectric
T.C.R.
Maximum Maximum
Rating
Temperature
Designation
Withstanding (ppm/°C)
(B±0.1%) (C±0.25%) (D±0.5%) (F±1.0%) (G±2.0%) (J±5.0%)
Working Overload
@ 70°C
Range
Voltage
Voltage
Voltage
E-24
E-96
E-96
E-24 E-192 E-24 E-96
E-24
-55°C
MFS1/4C
C: ±50
49.9 -
to
300V
0.25W
10 - 1M
250V
500V
562k
MFS1/4D
D: ±100
+155°C
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
11/15/17
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
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