SERIES, WATTAGE, VALUE RANGE, VOLTAGE, DIMENSIONS, AND AVAILABLE PACKAGING
Ød
H
L
H
D
Standard Quantities Available
Bulk
Tape and Reel Ammo Pack
1,000
5,000
2,000
1,000
5,000
1,000
1,000
3,000
1,000
Series
270
271
273
Watts
(W)
1/8
1/4
1/2
Value Ranges
(Ω)
10~10M
10~10M
10~10M
Voltage (V) (Max.)
W.V.
O.V.
200
400
250
500
350
700
Dimensions (mm) (Max.)
L±.50
D±.30
H±3
d±.05
3.5
1.85
28
0.45
6.8
2.5
28
0.54
10
3.5
28
0.54
XICON PASSIVE COMPONENTS • (800) 628-0544
XC-600046
Specifications are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on producer documentation.
Specifications are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on producer documentation.
Date Revised: 10/19/17
Metal Film Fixed Resistors
(RoHS Compliant)
CHARACTERISTICS
(Cont.)
Characteristics
Limits
Test Methods
( JIS C 5201-1 )
MF-RC Series
Terminal
strength
With no evidence of mechanical
damage.
Direct load
Resistance to a 2.5 kgs direct load for 10 secs.
in the direction of the longitudinal axis of the terminal leads.
Twist test :
Terminal leads shall be bent through 90° at a point of about
6mm from the body of the resistor and shall be rotated through 360°
about the original axis of the bent terminal in alternating direction
for a total of 3 rotations.
Permanent resistance change when leads
immersed to 3.2 to 4.8 mm from the body in
260 °C ± 3°C solder for 10 ± 0/-1 seconds
The area covered with a new , smooth
clean , shiny and continuous surface free
from concentrated pinholes.
Test temp. of solder : 245°C ± 3°C
Dwell time in solder : 2 ~ 3 seconds
Specimens shall be immersed in a bath of
trichroethane completely for 3 minutes with
ultrasonic.
Resistance change after continuous
5 cycles for duty shown below:
StepTemperature
Time
1
-55°C ±3°C
2
Room temp.
3
+155°C ±2°C
4
Room temp.
Resistance change after 1,000 hours
operating at RCWV with duty cycle of
(1.5 hours "on", 0.5 hour "off") in a humidity
test chamber controlled at 40°C ± 2°C
and 90 to 95 % relative humidity
Permanent resistance change after
1,000 hours operating at RCWV with duty
cycle of ( 1.5 hours "on", 0.5 hour "off" ) at
70°C ± 2°C ambient
Resistance to
soldering heat
Resistance change rate is
± (1% + 0.05Ω) Max. with no
evidence of mechanical damage.
Solderability
95 % coverage Min.
Resistance to
solvent
No deterioration of protective
coatings and markings.
Temperature
cycling
Resistance change rate is
± (1% + 0.05Ω) Max. with no
evidence of mechanical damage.
30 mins
10~15 mins
30 mins
10~15 mins
Load life in
humidity
Resistance value
Normal type
∆R/R
± 1.5 %
Load life
Resistance value
Normal type
∆R/R
± 1.5 %
XICON PASSIVE COMPONENTS • (800) 628-0544
XC-600046
Specifications are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on producer documentation.
From the processing principle, CNC engraving machine is a kind of drilling and milling combined processing. It is a typical mechatronics product and has a wide range of market applications in mold eng...
The kernel can pass a string command line when it starts to control the kernel startup process, for example: "console=ttyS2,115200 mem=64M@0xA0000000" Here it is specified that the console is serial p...
Aiming at the shortcomings of the current global positioning system (GPS) in the decoding of NMEA-0183 code and the correction circuit of its timing system, which is complex and difficult to improve t...
In the final analysis, the external interrupt of msp430 only needs two parts of configuration: 1. Pin configuration 2. Interrupt function configuration 1. Pin configuration (taking pin P2.1 as an exam...
The GPS receiver, wheel counter and electronic compass sensor data in the vehicle navigation system and the road network data provided by the navigation electronic map are processed comprehensively, a...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
0 Introduction
PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]
As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]
The Challenge:
Improving Siemens Wind
Turbine Controls
System software automated testing for regular releases, validating wind turbine control system components during the developme...[Details]
illustrate]
This method has
the characteristics of small
ROM
occupation
and fast operation speed, with a range of
2000
ßà
2099
,
a total of
...[Details]
1. Introduction
According to the definition of the International Electrotechnical Commission (IEC) and the American Instrument Society (ISA), fieldbus is a digital, two-way transmission, multi...[Details]
1. Introduction
PROFIBUS is an international, open asynchronous serial communication standard, which is widely used in manufacturing automation and process automation, buildings, transportatio...[Details]