EEWORLDEEWORLDEEWORLD

Part Number

Search

MFS1/4DCVTA1273F

Description
Fixed Resistor, Metal Film, 0.25W, 127000ohm, 250V, 1% +/-Tol, 100ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT
CategoryPassive components    The resistor   
File Size266KB,2 Pages
ManufacturerKOA Speer
Websitehttp://www.koaspeer.com/
Environmental Compliance
Download Datasheet Parametric View All

MFS1/4DCVTA1273F Overview

Fixed Resistor, Metal Film, 0.25W, 127000ohm, 250V, 1% +/-Tol, 100ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT

MFS1/4DCVTA1273F Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerKOA Speer
package instructionAXIAL LEADED
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresSEMI PRECISION
structureTubular
JESD-609 codee2
Lead diameter0.45 mm
Installation featuresTHROUGH HOLE MOUNT
Number of terminals2
Maximum operating temperature155 °C
Minimum operating temperature-55 °C
Package diameter1.7 mm
Package length3.2 mm
Package formAxial
method of packingAMMO PACK
Rated power dissipation(P)0.25 W
Rated temperature70 °C
GuidelineAEC-Q200
resistance127000 Ω
Resistor typeFIXED RESISTOR
surface mountNO
technologyMETAL FILM
Temperature Coefficient100 ppm/°C
Terminal surfaceTin/Copper (Sn/Cu) - hot dipped
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
Competition paper standard requirements
[i=s]This post was last edited by paulhyde on 2014-9-15 09:21[/i]...
dtcxn Electronics Design Contest
2021 ON Semiconductor Avnet RSL10 Bluetooth SoC Development and Design Competition First Post
After receiving all the development boards, I will start recording this DIY routine from the RSL10-002GEVB board today.Outer box:Unpacking:The front photo of the board:The back of the board:Keep all t...
7905 onsemi and Avnet IoT Innovation Design Competition
MSP430 cannot RESET
Hey guys, I encountered a problem when using MSP430F149. It can't be reset when in use, even if I use it manually.But when I turn off the power for 5 minutes and then restart it, it can be reset and e...
icedog1 Microcontroller MCU
Which section of the forum is the VGA section?
I have searched the forum for a whole morning, but I still can't find any special topics about VGA. Is it because it has disappeared? I am so depressed. Can someone give me a link? I want to find info...
secretgarden FPGA/CPLD
Regarding the spi issue, please give me some guidance
I am a novice in embedded systems. I have an s3c2410 board. My teacher asked me to use spi to program wifi. There is no information about spi in the instructions. I searched on Baidu and found out tha...
rayqin Embedded System
MSP430 full series routines
MSP430 full series d simulation routines...
ljp_03071628 Microcontroller MCU

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 618  1032  1921  929  1698  13  21  39  19  35 
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