• Weldable type with copper plated lead wire available
• Values below 1Ω or above 10MΩ are available by special request, please ask for details
DERATING CURVE
Percent Rated Load (%)
100
80
db
0
-10
-20
40
20
0
20 40
70 100 120 155
Ambient Temperature (°C)
-30
-40
0-5
CF Series
CURRENT NOISE
µV/v
0.32
0.1
0.03
0.01
0.003
100
1K 10K 100K 1M
Normal Resistance (Ω)
TEMPERATURE COEFFICIENT
ppm/°C
0
-200
-400
-600
-800
-1000
10
100 1K 10K 100K 1M
Normal Resistance (Ω)
PART NUMBERING SYSTEM
2
9
Series
1
1
0
Ohms
K
R
E
E
L
Package Code
SERIES, WATTAGE, SIZE, VOLTAGE, DIMENSIONS, AND AVAILABLE PACKAGING
d
–0.05
Code:
/REEL
/AP
Package:
Bulk
Tape and Reel
Ammo Pack
H –3
L
Voltage (max.)
W.V.
O.V.
500
1,000
200
400
250
350
500
700
H –3
D
Dimensions (mm)
D max.
H
5.0
28
1.85
28
2.5
3.5
28
28
Series
294
299
291
293
Watts
1W
1/8W
1/4W
1/2W
Size
Small
Standard
Standard
Standard
L max.
12
3.5
6.8
10
d
0.7
0.45
0.54
0.54
Standard Quantities Available
Bulk
Tape and Reel Ammo Pack
1,000
3,000
1,000
1,000
5,000
2,000
1,000
1,000
5,000
3,000
1,000
1,000
STANDARD VALUES (Ω)
0.5
1.0
1.1
1.2
1.3
1.5
1.6
1.8
2.0
2.2
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
100
110
120
130
150
160
180
200
220
240
270
300
330
360
390
430
470
510
560
620
680
750
820
910
1K
1.1K
1.2K
1.3K
1.5K
1.6K
1.8K
2K
2.2K
2.4K
2.7K
3K
3.2K
3.3K
3.6K
3.9K
4.3K
4.7K
5.1K
5.6K
6.2K
6.8K
7.5K
8.2K
9.1K
10K
11K
12K
13K
15K
16K
18K
20K
22K
24 K
27K
30K
33K
36K
39K
43K
47K
51K
56K
62K
68K
75K
82K
91K
180K 390K 820K 1.8M 3.9M 8.2M
200K 430K 910K 2M 4.3M 9.1M
10M
15M
22M
100K 220K 470K 1M 2.2M 4.7M
110K 240K 510K 1.1M 2.4M 5.1M
120K 270K 560K 1.2M 2.7M 5.6M
130K 300K 620K 1.3M 3M 6.2M
150K 330K 680K 1.5M 3.3M 6.8M
160K 360K 750K 1.6M 3.6M 7.5M
XICON PASSIVE COMPONENTS • (800) 628-0544
XC-600034
Specifications are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on producer documentation.
Date Revised: 9/28/05
Cement Power Resistors
CHARACTERISTICS
Characteristics
DC. Resistance
Limits
Must be within the specified
tolerance.
Test Methods
( JIS C 5201-1 )
CF Series
5.1 The limit of error of measuring apparatus
shall not exceed allowable range or 5% of
resistance tolerance
5.2 Natural resistance change per temp.
degree centigrade.
R
2
-R
1
x106 (PPM/°C)
R
1
(t
2
-t
1
)
R
1
: Resistance value at room temperature (t
1
)
R
2
: Resistance value at room temp.plus 100°C (t
2
)
5.5 Permanent resistance change after the
application of a potential of 2.5 times RCWV
for 5 seconds.
5.6 Resistors shall be clamped in the trough of
a 90° metallic V-block and shall be tested at
DC potential respectively specified in the
above list for 60 +10/ -0 seconds.
5.7 Resistors shall be clamped in the trough
of a 90° metallic V-block and shall be tested
at AC potential respectively specified in the
table 1 for 60 + 10/-0 seconds.
6.1
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.
6.4 Permanent resistance change when leads
immersed to 3.2 to 4.8 mm from the body in
350 °C ± 10°C solder for 3 ± 0.5 seconds
6.5 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
7.4 Resistance change after continuous
5 cycles for duty shown below:
Step
Temperature
1
-55°C ±3°C
2
Room temp.
3
+155°C ±2°C
4
Room temp.
∆R/R
±3%
±5%
7.9 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
7.10 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
Resist. Range
Temperature
coefficient
< 10
Ω
11Ω ~ 99K
100K ~ 1M
1.1M ~ 10M
T.C.R. (PPM / °C)
0
0
0
0
~
~
~
~
±350
-450
-700
-1500
Short time
overload
Resistance change rate is
± (1 % + 0.05Ω) Max. with no
evidence of mechanical damage
Insulation
Resistance
Insulation resistance is
10,000 MΩ Min
Dielectric
withstanding
voltage
No evidence of flashover
mechanical damage,arcing or
insulation break down.
Terminal
strength
No evidence of mechanical
damage.
Resistance to
soldering heat
Resistance change rate is
± (1% + 0.05Ω) Max. with no
evidence of mechanical damage.
Solderability
95 % coverage Min.
Temperature
cycling
Resistance change rate is
± (1% + 0.05Ω) Max. with no
evidence of mechanical damage.
Time
30 mins
10~15 mins
30 mins
10~15 mins
Resistance value
Load life in
humidity
Normal Type
< than 100KΩ
>100KΩ
Resistance value
Load life
Normal Type
< than 56KΩ
> 56KΩ
∆R/R
±2%
±3%
XICON PASSIVE COMPONENTS • (800) 628-0544
XC-600034
Specifications are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on producer documentation.
Date Revised: 9/28/05
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
[i=s]This post was last edited by Beifang on 2018-12-26 13:57[/i] 1. Rapid IoT, a bridge between the past and the future. Usually, IoT development tools are in the form of development boards, but NXP ...
The electromagnetic compatibility protection design should adopt a comprehensive approach to systematically predict the electromagnetic compatibility of arc welding equipment. When designing, the prod...
Different from traditional door locks, smart door locks are locks that have been launched in the domestic market in recent years. They are more intelligent and simple in terms of user security, identi...
When installing Ubuntu or Debian, it is recommended to use EMMC storage as it has a large capacity. 1. Download the debian system and modify related configurations a. Download the system wget -c [url]...
System structure and control principle
Boost + full-bridge inverter and output
LC filter
is one of the most commonly used topologies for high-power programmable AC power supply. As show...[Details]
KGI Securities predicts that with the gradual construction of 5G infrastructure and Apple's launch of the 5G version of the iPhone starting from 2020, the second wave of mobile phone replacement will...[Details]
1 Introduction I2C bus is a serial bus launched by Philips. The entire system only relies on the data line (SDA) and the clock line (SCL) to achieve perfect full-duplex data transmission, that is...[Details]
01
SVPWM algorithm
The voltage space vector modulation method (SVPWM) is a commonly used PWM algorithm. Different from the ordinary sinusoidal PWM method, it starts from the perspective o...[Details]
China Energy Storage Network:
The energy Internet pilot based on industry integration should "make full use of the renewable resources and communication functions of the energy Internet and f...[Details]
This strategic layout places Wi-Fi HaLow at the center of Taiwan's wireless network industry
Taipei, Taiwan, April 25, 2024 - Morse Micro, a global leader in Wi-Fi HaLow chips, today...[Details]
1. How to use an oscilloscope to test and analyze the reliability of a designed product?
A: Oscilloscopes have long been one of the most effective tools for testing electronic circuits. B...[Details]
Hands-free passive keyless entry (PKE) is quickly becoming a mainstream application for automotive remote keyless entry and is becoming a common option on new models. This method eliminates the need t...[Details]
LEDs
have been used in electronic systems for many years, primarily as indicator lights for electronic devices. Recent advances in
brightness
and color depth mean that LEDs can now be...[Details]
A key consideration and success factor for any metering and medical measurement application is the analog-to-digital converter (ADC) module. Meters and monitors convert real-world signals, which ar...[Details]
Project Practice 1: Bootloader 1. Project Introduction In previous examples and practices, we all used st-link debugging download to burn the program. You may have realized the disadvantages of thi...[Details]
With
the popularity of
cassette players
, more and more people own cassette players. However, while listening to beautiful music with headphones, some shortcomings are also felt. Since ...[Details]
April 8, 2011, Beijing
Recently, Texas Instruments (TI) announced the launch of the MSP430AFE2xx series of metering analog front-end (AFE) ultra-low-power 16-bit microcontrollers for metering ...[Details]
With the continuous improvement of people's living standards and the development of intelligent home appliances, the smart home appliance market will continue to accelerate in the future, and t...[Details]