EEWORLDEEWORLDEEWORLD

Part Number

Search

MF1/4CCM12.5A2263F

Description
Fixed Resistor, Metal Film, 0.25W, 226000ohm, 250V, 1% +/-Tol, 50ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT
CategoryPassive components    The resistor   
File Size266KB,2 Pages
ManufacturerKOA
Environmental Compliance  
Download Datasheet Parametric View All

MF1/4CCM12.5A2263F Overview

Fixed Resistor, Metal Film, 0.25W, 226000ohm, 250V, 1% +/-Tol, 50ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT

MF1/4CCM12.5A2263F Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Objectid1273340211
package instruction,
Reach Compliance Codecompliant
Country Of OriginJapan, Mainland China, Taiwan
ECCN codeEAR99
YTEOL6.55
Other featuresSEMI PRECISION
JESD-609 codee2
Manufacturer's serial numberMF
Installation featuresTHROUGH HOLE MOUNT
Number of terminals2
Maximum operating temperature155 °C
Minimum operating temperature-55 °C
Package shapeTUBULAR PACKAGE
method of packingAMMO PACK
Rated power dissipation(P)0.25 W
Rated temperature70 °C
GuidelineAEC-Q200
resistance226000 Ω
Resistor typeFIXED RESISTOR
surface mountNO
technologyMETAL FILM
Temperature Coefficient50 ppm/°C
Terminal surfaceTin/Copper (Sn/Cu)
Terminal shapeWIRE
Tolerance1%
Operating Voltage250 V
general purpose metal film leaded resistor
EU
features
Semi-precision metal film resistors
The discharge path resistor is recognized by UL 1676 and
c-UL (CAS-C22.2 No.1-M94). (File No. E159326) (RK only)
Meets requirements of MIL-R-22684
Suitable for automatic machine insertion
MFS two times the power rating of the standard body type
Marking: Blue-gray body color with color-coded bands
Products with lead-free terminations meet EU RoHS
and China RoHS requirements
AEC-Q200 Qualified: MF1/4, MFS1/4, MFS1/2
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±0.4
(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
Insulation Coating
C
.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)
Derating Curve
100
80
% Rated Power
60
40
20
0
-60 -40 -20
-55
Surface Temperature Rise
70
Temperature Rise (°C)
60
50
40
MF1/4
30
20
10
0
0
25
50
75
100
MFS1/2
MF1/2
MF1
MFS1/4
MF1/2
MF1
RK1/4
RK1/2
RK1
0
80 100 120 140 160
70
155
Ambient Temperature
(°C)
20
40
60
% Rated Power
* Lead length changes depending on taping and forming.
ordering information
New Part #
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 signifi-
cant 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
0.25W
300V
10 - 1M
250V
300V
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.
12/18/12
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
109
resistors
MF, MFS, RK
[RVB2601 Creative Application Development] User Experience 08 -- RTC Application
[i=s]This post was last edited by sonicfirr on 2022-4-16 10:22[/i]After NTP timing is successful, the creative project continues to enable RTC and initializes RTC using the time obtained by NTP so tha...
sonicfirr XuanTie RISC-V Activity Zone
RF circuit board anti-interference design
[align=left][color=#111111][backcolor=rgb(255, 255, 255)][font=宋体][size=14px] Article source: tuwen [/size][/font][/backcolor][/color][/align] [align=left][color=#111111][backcolor=rgb(255, 255, 255)]...
木犯001号 PCB Design
Regarding the interruption issue, urgent... Thank you!
I wrote an interrupt program using 2410. I found that when the while loop is an empty loop, the interrupt is normal and the interrupt function can be entered normally every time. However, after I adde...
sgy1350611007 Embedded System
Why does the keyboard interrupt of Philips P89C668 keep restarting?
I am using Philips P89C668, and I wrote a keyboard display program. When I use the emulator, there is no problem with pressing the keyboard. But when I load the program into the chip and run it, I pre...
laoqiao Embedded System
It's time to show some real technology for ESP32
How to upload a video? ? ? ? Upload a picture. .[b][color=#5E7384]This content was created by EEWORLD forum user [size=3]youxinweizhi[/size]. If you need to reprint or use it for commercial purposes, ...
youxinweizhi MicroPython Open Source section
Ethernet board information (PCB, SCH protel file)
[color=#008000]Since my hard drive is broken, I don't have the schematic diagram at home now. I found a PCB diagram from the email. It seems that the version is a bit old, but the circuit is absolutel...
songbo MCU

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 945  2543  157  65  759  20  52  4  2  16 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号