• 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
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