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CHP Datasheet, PDF (3/3 Pages) Welwyn Components Limited – Metal Glaze™ General Purpose Surface Mount Power Resistors | |||
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Metal Glaze⢠Cylindrical
Surface Mount
Power Resistors
Standard Reel Packaging per EIA-481:
IRC
Type
CHP 1/8
MRC 1/2
CHP 1/2
MRC 1
CHP 1
CHP 2
Size
Code
B
C
D
E
F
H
Industry
Footprint
1206
2010
2512
3610
Reel
Diameter*
7â³
13â³
7â³
13â³
7â³
13â³
13â³
Quantity
Per Reel
2,500 max.
10,000 max.
1,500 max.
5,000 max.
1,500 max.
5,000 max.
1,500 max.
*The 13â³ reel is considered standard and will be supplied unless otherwise speciï¬ed.
Carrier Tape
Width
8mm
12mm
12mm
24mm
Component
Pitch
4mm
4mm
4mm
4mm
Power Derating Curve
100
CHP 1/8, 1/2, 1
80
60
CHP 2
40
20
Repetitive Surge Curve
1000
CHP 2
CHP 1
100
CHP 1/8
10
0
30 40 50 60 70 80 90 100 110 120 130 140 150
Ambient Temperature (°C)
Ordering Data
1
0.0001
.1msec
0.0010
1msec
0.0100
10msec
0.1000
100msec
1.0000
10000msec
Surge or Pulse Duration (seconds)
Note: Use for repetitive pulses where the average power dissipation is
not to exceed the component rating at 70°C. Surge handling capacity
for low-repetitive surges may be signiï¬cantly greater than shown above.
Contact factory for recommendations.
Sample Part No.
CHP 1 - 100
IRC Type
(CHP 1/8, CHP 1/2, CHP 1, or CHP 2)
Temperature Coefï¬cient
(50 ppm, 100 ppm)
Resistance Value
(100 ohms and greater - First 3 signiï¬cant digits plus 4th digit multiplier)
Example: 100 ohms = 1000, 1000 ohms = 1001, 150,000 ohms = 1503
(Less than 100 ohms - "R" is used to designate decimal)
Example: 51 ohms = 51R0, 1 ohm = 1R00, 0.25 ohms = R250
Tolerance
(C = 0.25%, D = 0.5%, F = 1.0%; G = 2.0%; J = 5.0%)
Packaging Code*
(BLK = Bulk, 7 = 7" Reel, 13 = 13" Reel)
Lead Free Construction
2203 F
13 LF
© IRC Wire and Film Technologies Division ⢠4222 South Staples Street ⢠Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 ⢠Facsimile: 361 992 3377 ⢠Website: www.irctt.com
CHP Series Issue July 2009 Sheet 3 of 3
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