EEWORLDEEWORLDEEWORLD

Part Number

Search

MF1/4ECVTPA5230C

Description
Fixed Resistor, Metal Film, 0.25W, 523ohm, 250V, 0.25% +/-Tol, 25ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT
CategoryPassive components    The resistor   
File Size98KB,2 Pages
ManufacturerKOA Speer
Websitehttp://www.koaspeer.com/
Environmental Compliance
Download Datasheet Parametric View All

MF1/4ECVTPA5230C Overview

Fixed Resistor, Metal Film, 0.25W, 523ohm, 250V, 0.25% +/-Tol, 25ppm/Cel, Through Hole Mount, AXIAL LEADED, ROHS COMPLIANT

MF1/4ECVTPA5230C Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerKOA Speer
package instructionAXIAL LEADED, ROHS COMPLIANT
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresSEMI-PRECISION
structureCylindrical
JESD-609 codee2
Lead diameter0.6 mm
Manufacturer's serial numberMF
Installation featuresTHROUGH HOLE MOUNT
Number of terminals2
Maximum operating temperature155 °C
Minimum operating temperature-55 °C
Package diameter2.3 mm
Package length6.3 mm
Package shapeTUBULAR PACKAGE
Package formAxial
method of packingAMMO PACK
Rated power dissipation(P)0.25 W
Rated temperature70 °C
resistance523 Ω
Resistor typeFIXED RESISTOR
seriesMF
surface mountNO
technologyMETAL FILM
Temperature Coefficient25 ppm/°C
Terminal surfaceTin/Copper (Sn/Cu) - hot dipped
Terminal shapeWIRE
Tolerance0.25%
Operating Voltage250 V
MF, MFS, RK
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
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)
.374±.04
(9.5±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)
.031
(0.8)
.031
(0.8)
1.50±.118
(38.0±3.0)
0.94 min.
(24.0 min.)
1.50±.118
(38.0±3.0)
1.18±.118
(30.0±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
30
20
10
0
0
25
50
75
100
MF1/2
MFS1/2,MF1/4,
MF1/2
(+2%&+5%)
MF1/4
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
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, M25
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-96 E-24 E-96
E-24
MFS1/4C
MFS1/4D
MFS1/4L
0.25W
300V
C: ±50
D: ±100
L: ±200
49.9 - 562k
10 - 1M
2.2 - 2.2M
250V
300V
-55°C
to
+155°C
1/13/09
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
99
resistors
TinyOS is ported on the second-generation wireless RF chip CC2530 with 51 as the core
Currently, TinyOS only supports the wireless RF SOC CC2430 with 51 as the core, but does not support TI's latest second-generation SOC chip CC2530. Moreover, the functions supported by CC2430 are stil...
hwwr 51mcu
Space vector control variable frequency power supply based on 68HC908MR16 single chip microcomputer
Abstract: This paper introduces a variable frequency power supply based on space vector PWM algorithm. The system uses the motor control chip 68HC908MR16 from MOTOROLA, and converts DC power into freq...
zbz0529 MCU
I suggest the moderator to either delete the so-called prediction questions or post them.
[i=s] This post was last edited by paulhyde on 2014-9-15 09:21 [/i] I don't know how many truly valuable predictions there are. I feel like some people are just trying to save money and make money! Ac...
bigcha Electronics Design Contest
I would like to ask where in Nanjing can I find a place to repair MCP2510 electronic components? There is a program inside, and I need to be able to copy it.
I would like to ask where in Nanjing can I find a place to repair MCP2510 electronic components? There is a program inside, and I need to be able to copy it. Contact number: 13338619152...
jonsir Industrial Control Electronics
[STM32]NUCLEO-G071RB Review
Recently, I had some time to browse ST's official website or ST's Chinese official website, and found the G0 series of microcontrollers recently launched by ST. STM32G0: A new generation of entry-leve...
huaiqiao stm32/stm8
Design of battery management system
The design of the battery management system is based on AD73360 and TMS320LF2407. A multi-channel data acquisition system is designed, and the software and hardware design method of the r-to-u circuit...
qwqwqw2088 Analogue and Mixed Signal

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 2330  737  2926  1942  2410  47  15  59  40  49 
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