S
CO
LO & MP
LI
GE
AN
N
T
FR
EE
oH
HA
*R
Applications
n Power rating up to 3 watts @ 70 °C
n Digital meters
n High power surge withstanding
n Consumer electronics
n RoHS compliant*
n LED lighting
n Halogen free**
n Industry control boards
n Thick film technology
01B
n Power supplies
n AEC-Q200 compliant
n Sulfur-resistant design (ASTM-B809)
PL
IA
NT
**
Features
*R
oH
S
CO
M
CHP-A Series Ultra-High Power Chip Resistors
CHP0805A
CHP1206A
CHP2512A
0.33 W
0.5 W
0.75 W
3W
200 V
250 V
250 V
300 V
500 V
500 V
FR
AD
Power Rating @ 70 °C
Model
CHP0603A
LE
Characteristic
EE
Electrical Characteristics
Operating Temperature Range
-55 °C to +155 °C
+155 °C
Maximum Working Voltage
75 V
Maximum Overload Voltage
125 V
Resistance Tolerance
Ro VER LEA
HS SI D F
CO ON RE
M SA E
PL R
IA E
NT
*
Derated to Zero Load at
±1 %, ±5 %
Temperature Coefficient
10 ohms to 1 megohm
(±1 %, E24 & E96 Series)
±100 ppm/°C
±100 ppm/°C
±100 ppm/°C
±100 ppm/°C
10 ohms to 1 megohm
(±5 %, E24 Series)
±200 ppm/°C
±200 ppm/°C
±200 ppm/°C
±200 ppm/°C
Note: Solder pad and trace size should be evaluated and board surface temperature should not exceed +105 °C when applying
full rated power.
For Standard Values Used in Capacitors, Inductors and Resistors, click here.
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
* RoHS Directive 2015/863, Mar 31, 2015 and Annex.
** Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br)
and Chlorine (Cl) content is 1500 ppm or less.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
CHP-A Series Ultra-High Power Chip Resistors
Product Dimensions
Model
L
W
C
D
T
CHP0603A
1.60 ± 0.10
(.063 ± .004)
0.80 ± 0.10
(.031 ± .004)
0.30 ± 0.20
(.012 ± .008)
0.30 ± 0.20
(.012 ± .008)
0.45 ± 0.10
(.018 ± .004)
CHP0805A
2.00 ± 0.10
(.079 ± .004)
1.25 ± 0.10
(.049 ± .004)
0.40 ± 0.20
(.016 ± .008)
0.40 ± 0.20
(.016 ± .008)
0.50 ± 0.10
(.020 ± .004)
CHP1206A
3.10 ± 0.10
(.122 ± .004)
1.60 ± 0.10
(.063 ± .004)
0.50 ± 0.25
(.020 ± .010)
0.50 ± 0.25
(.020 ± .010)
0.55 ± 0.10
(.022 ± .004)
6.40 ± 0.20
(.252 ± .008)
3.10 ± 0.20
(.122 ± .008)
0.45 ± 0.25
(.018 ± .010)
1.80 ± 0.25
(.071 ± .010)
1.10 ± 0.20
(.043 ± .008)
CHP2512A
DIMENSIONS:
L
L
100
100
C
W
C
C
T
C
T
D
MM
(INCHES)
D
D
D
Recommended Solder Pad Layout
Model
W
L
A
B
L
CHP0603A
0.90
(.035)
1.00
(.039)
3.00
(.118)
CHP0805A
1.30
(.051)
1.15
(.045)
3.50
(.138)
CHP1206A
1.80
(.071)
1.30
(.051)
4.70
(.185)
CHP2512A
3.70
(.146)
2.45
(.096)
7.60
(.299)
L
A
A
B
B
DIMENSIONS:
MM
(INCHES)
Surge Performance
Peak Power (Watts)
1000
100
10
CHP2512A
CHP1206A
1
0.1
0.0001
CHP0805A
CHP0603A
0.001
0.01
0.1
1
Pulse Duration (Seconds)
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
CHP-A Series Ultra-High Power Chip Resistors
Construction
Environmental Characteristics
OVERCOAT
(BLACK)
Moisture Sensitivity Level�����������������������������������������������������������1
CONDUCTOR
Derating Curve
RESISTIVE
ELEMENT
Power Ratio (%)
Sn PLATING
Ni PLATING
CERAMIC SUBSTRATE
Rated Voltage
The rated voltage is calculated by the following formula:
100
-55
V= P X R
V: Rated Voltage (V)
P: Rated Power (W)
R: Resistance Value (W)
70
155
Ambient Temperature (°C)
Soldering Profile
275
Maximum of 20 seconds between
+255 °C and +260 °C
260 °C peak
255 °C
Temperature (°C)
225
220 °C
190 °C
90 - 150
seconds
175
Ramp Down
6 °C/second
150 °C
125
60 - 120 seconds
10 seconds minimum
75
Ramp Up
3 °C/second maximum
25
0
50
100
150
Time (seconds)
200
250
300
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
CHP-A Series Ultra-High Power Chip Resistors
How to Order
CHP 0603 A F X - 1002 E LF
Model
CHP = High Power Surge Resistor
Size
0603 = 0603 Size
0805 = 0805 Size
1206 = 1206 Size
2512 = 2512 Size
Feature
A = AEC-Q200 Compliant
Resistance Tolerance
F = ±1 %
J = ±5 %
TCR (See Electrical Characteristics chart)
W = ±200 PPM/°C
X = ±100 PPM/°C)
Resistance Value
1 % Tolerance:
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