Metal Glaze™ Cylindrical
Surface Mount
Power Resistors
CHP Series
•
•
•
•
•
Up to 2 watts
Up to 1000 volts
0.2 ohm to 2.2 megohm range
RoHS-compliant version available
150°C maximum operating temperature
Solder over nickel
barrier
Metal Glaze™ thick
film element fired
at 1000°C to solid
ceramic substrate
High
temperature
dielectric
coating
Electrical Data
IRC
Type
Indus-
try
Foot-
print
Size
Code1
Maximum
Power Rating
Working
Voltage²
Maximum
Voltage
Resistance
Range (ohms)³
0.1 to 0.99
CHP 1/8
1206
B&C
1/4W @ 70°C
200
400
1.0 to 1.0 M
20 to 348K
CHP 1/2
2010
D&E
1/2W @ 70°C
300
600
0.1 to 0.99
1.0 to 348K
0.1 to 0.99
CHP 1
2512
F
1W @ 70°C
350
700
1.0 to 2.21M
20 to 348K
CHP 2
3610
H
2W @ 25°C
1.33W @ 70°C
0.2 to 0.99
500
1000
1.0 to 2.21M
²Not to exceed
√
P x R
Product
Category
Low Range
Standard
Tight Tolerance
Low Range
Standard
Low Range
Standard
Tight Tolerance
Low Range
Standard
Tolerance
(±%)³
1, 2, 5
1, 2, 5
0.25, 0.5
1, 2, 5
1, 2, 5
1, 2, 5
1, 2, 5
0.25, 0.5
1, 2, 5
1, 2, 5
TCR
(ppm/°C)³
100
50, 100
50, 100
100
50, 100
100
50, 100
50, 100
100
50, 100
¹See page 8 for product dimensions, recommended solder pads, and standard packaging.
³Consult factory for tighter TCR, tolerance, or resistance values.
Environmental Data
Characteristics
Temperature Coefficient
Thermal Shock
Low Temperature Operation
Short Time Overload
High Temperature Exposure
Resistance to Bonding
Exposure
Solderability
Moisture Resistance
Life Test
Terminal Adhesion Strength
Maximum Change
As specified
±0.5% + 0.01 ohm
±0.25% + 0.01 ohm
±0.5% + 0.01 ohm
±1% for R>100K ohm
±0.5% + 0.01 ohm
±0.25% + 0.01 ohm
95% minimum coverage
±0.5% + 0.01 ohm
±0.5% + 0.01 ohm
±1% + 0.01 ohm
no mechanical damage
±1% + 0.01 ohm
no mechanical damage
General Note
IRC reserves the right to make changes in product specification without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to print.
A subsidiary of
TT electronics plc
CHP Series Issue July 2009 Sheet 1 of 3
Test Method
MIL-R-55342E Par 4.7.9 (-55°C + 125°C)
MIL-R-55342E Par 4.7.3 (-65°C + 150°C, 5 cycles)
MIL-R-55342E Par 4.7.4 (-65°C @ working voltage)
MIL-R-55342E Par 4.7.5
2.5 x
√
for 5 seconds
MIL-R-55342E Par 4.7.6 (-150°C for 100 hours)
MIL-R-55342E Par 4.7.7 (Reflow soldered to board at 260°C for 10 seconds)
MIL-STD-202, Method 208 (245°C for 5 seconds)
MIL-R-55342E Par 4.7.8 (10 cycles, total 240 hours)
MIL-R-55342E Par 4.7.10 (2000 hours at 70°C intermittent)
1200 gram push from underside of mounted cchip for 60 seconds
Chip mounted in center of 90mm long board, deflected 1mm so as to
exert pull on chip contacts for 5 seconds
© 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
Metal Glaze™ Cylindrical
Surface Mount
Power Resistors
Physical Data
L
C
W
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
1206
2010
2010
2512
3610
Dimensions (Inches and (mm))
Actual Size
L
0.128 ± 0.007
(3.25 ± 0.18)
0.128 ± 0.007
(3.25 ± 0.18)
0.200 ± 0.010
(5.08 ± 0.25)
0.200 ± 0.010
(5.08 ± 0.25)
0.251 ± 0.010
(6.38 ± 0.25)
0.367 ± 0.010
(9.32 ± 0.25)
W
0.057 ± 0.006
(1.45 ± 0.15)
0.063 ± 0.010
(1.60 ± 0.25)
0.079 ± 0.006
(2.01 ± 0.15)
0.105 ± 0.006
(2.67 ± 0.15)
0.079 ± 0.006
(2.01 ± 0.15)
0.105 ± 0.006
(2.67 ± 0.15)
C
0.020 ± 0.010
(0.51 ± 0.25)
0.020 ± 0.010
(0.51 ± 0.25)
0.030 ± 0.010
(0.761 ± 0.25)
0.040 ± 0.015
(1.02 ± 0.38)
0.040 ± 0.010
(1.02 ± 0.25)
0.050 ± 0.010
(1.27 ± 0.25)
Recommended Solder Pad Dimensions (Reflow):
F
A
C
A
B
E
D
Size
Code
B&C
D
E
F
H
Industry
Footprint
1206
2010
2010
2512
3610
Dimensions (Inches and mm))
A
0.076
(1.93)
0.111
(2.82)
0.170
(4.32)
0.121
(3.07)
0.170
(4.32)
B
0.093
(2.36)
0.126
(3.20)
0.160
(4.06)
0.126
(3.20)
0.160
(4.06)
C
0.058
(1.47)
0.096
(2.44)
0.072
(1.83)
0.127
(3.23)
0.213
(5.41)
D
0.098
(2.49)
0.152
(3.86)
0.132
(3.35)
0.183
(4.65)
0.273
(6.93)
E
0.032
(0.81)
0.040
(1.02)
0.044
(1.12)
0.040
(1.02)
0.044
(1.12)
F
0.211
(5.36)
0.318
(8.08)
0.412
(10.46)
0.369
(9.37)
0.553
(14.05)
© 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 2 of 3
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
Reel
Diameter*
7″
13″
7″
13″
7″
2512
13″
3610
13″
5,000 max.
1,500 max.
24mm
4mm
Quantity
Per Reel
2,500 max.
10,000 max.
1,500 max.
5,000 max.
1,500 max.
12mm
4mm
Carrier Tape
Width
8mm
12mm
Component
Pitch
4mm
4mm
*The 13″ reel is considered standard and will be supplied unless otherwise specified.
Power Derating Curve
100
CHP 1/8, 1/2, 1
Repetitive Surge Curve
1000
CHP 2
CHP 1
100
% of Rated Power
80
60
CHP 2
40
20
0
Peak Power (watts)
CHP 1/8
10
30
40
50 60
70
80
90 100 110 120 130 140 150
1
0.0001
.1msec
Ambient Temperature (°C)
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 significantly greater than shown above.
Contact factory for recommendations.
Ordering Data
Sample Part No.
IRC Type
(CHP 1/8, CHP 1/2, CHP 1, or CHP 2)
CHP 1
- 100
2203
F
13
LF
Temperature Coefficient
(50 ppm, 100 ppm)
Resistance Value
(100 ohms and greater - First 3 significant 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
© 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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