CO
M
G E & PL I
AN
N
FR
T*
EE
**
HS
LO
Ro
HA
01B
Features
Applications
■ Thick film technology
■ Power supplies
■ Power rating up to 3 watts @ 70 °C
■ Digital meters
■ High power surge withstanding
■ Consumer electronics
■ RoHS compliant*
■ LED lighting
■ Halogen free**
■ Industry control boards
CHP Series Ultra-High Power Chip Resistors
Electrical Characteristics
Model
Characteristic
Power Rating @ 70 °C
CHP0603
CHP0805
CHP1206
CHP2512
0.33 W
0.5 W
0.75 W
3W
Operating Temperature Range
-55 °C to +155 °C
Derated to Zero Load at
Maximum Working Voltage
1 ohm to 1 megohm
0.1 ohm to 0.91 ohm
Maximum Overload Voltage
1 ohm to 1 megohm
0.1 ohm to 0.91 ohm
+155 °C
75 V
–
200 V
–
250 V
–
250 V
1652 mV
125 V
–
300 V
–
500 V
–
500 V
3695 mV
Resistance Tolerance
±1 %, ±5 %
Temperature Coefficient
1 ohm to 9.76 ohms
(±1 %, E24 & E96 Series)
±200 ppm/°C
±150 ppm/°C***
±100 ppm/°C
±100 ppm/°C
10 ohms to 1 megohm
(±1 %, E24 & E96 Series)
±100 ppm/°C
±100 ppm/°C
±100 ppm/°C
±100 ppm/°C
1 ohm to 1 megohm
(±5 %, E24 Series
±200 ppm/°C
±200 ppm/°C
±200 ppm/°C
±200 ppm/°C
0.1 ohm to 0.91 ohm
(±1 %, E24 Series)
–
–
–
±100 ppm/°C
0.1 ohm to 0.91 ohm
(±5 %, E24 Series)
–
–
–
±200 ppm/°C
***TCR code assigned as “X” - see How to Order chart.
Note: Solder pad and trace size should be evaluated and board surface temperature
should not exceed +105 °C when applying full rated power.
Additional Information
Click these links for more information:
For Standard Values Used in Capacitors, Inductors and Resistors, click here.
PRODUCT TECHNICAL INVENTORY SAMPLES
SELECTOR LIBRARY
CONTACT
Asia-Pacific: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA: Tel: +36 88 885 877 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
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 Series Ultra-High Power Chip Resistors
Product Dimensions
Model
L
W
C
D
L
T
CHP0603
1.60 ± 0.10
0.80 ± 0.10
0.30 ± 0.20
0.30 ± 0.30
0.45 ± 0.10
(0.063 ± 0.004) (0.031 ± 0.004) (0.012 ± 0.008) (0.012 ± 0.008) (0.018 ± 0.004)
CHP0805
2.00 ± 0.10
1.25 ± 0.10
0.40 ± 0.20
0.40 ± 0.20
0.50 ± 0.10
(0.079 ± 0.004) (0.049 ± 0.004) (0.016 ± 0.008) (0.016 ± 0.008) (0.020 ± 0.04)
CHP1206
3.10 ± 0.10
1.60 ± 0.10
0.50 ± 0.25
0.50 ± 0.25
0.55 ± 0.10
(0.122 ± 0.004) (0.063 ± 0.004) (0.020 ± 0.010) (0.020 ± 0.010) (0.022 ± 0.004)
CHP2512
6.40 ± 0.20
3.10 ± 0.20
0.45 ± 0.25
1.80 ± 0.25
1.10 ± 0.20
(0.252 ± 0.008) (0.122 ± 0.008) (0.018 ± 0.010) (0.071 ± 0.010) (0.043 ± 0.008)
DIMENSIONS:
100
W
C
C
T
D
MM
(INCHES)
D
Recommended Solder Pad Layout
Model
A
B
L
CHP0603
0.90
(0.035)
1.00
(0.039)
3.00
(0.118)
CHP0805
1.30
(0.051)
1.15
(0.045)
3.50
(0.138)
CHP1206
1.80
(0.071)
1.30
(0.051)
4.70
(0.185)
CHP2512
3.70
(0.146)
2.45
(0.096)
7.60
(0.299)
L
A
B
DIMENSIONS:
MM
(INCHES)
Surge Performance
Peak Power (Watts)
1000
100
10
CHP2512
CHP1206
1
0.1
0.0001
CHP0805
CHP0603
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 Series Ultra-High Power Chip Resistors
Construction
Environmental Characteristics
Moisture Sensitivity Level ...........................................................1
OVERCOAT
(BLACK)
CONDUCTOR
Derating Curve
RESISTIVE
ELEMENT
Power Ratio (%)
Sn PLATING
Ni PLATING
CERAMIC SUBSTRATE
Rated Voltage
The rated voltage is calculated by the following formula:
V= P X R
100
-55
V: Rated Voltage (V)
P: Rated Power (W)
R: Resistance Value (Ω)
70
155
Ambient Temperature (°C)
Soldering Profile
275
Maximum of 20 seconds between
260 °C peak
+255 °C and +260 °C
255 °C
225
Temperature (°C)
220 °C
190 °C
175
90 - 150
seconds
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 Series Ultra-High Power Chip Resistors
How to Order
CHP 0603 - F X - 1002 E LF
Model
CHP = High Power Surge Resistor
Size
0603 = 0603 Size
0805 = 0805 Size
1206 = 1206 Size
2512 = 2512 Size
Resistance Tolerance
F = ±1 %
J = ±5 %
TCR (See Electrical Characteristics chart)
W = ±200 PPM/°C
X = ±100 PPM/°C (also includes CHP0805: 1 ohm to 9.76 ohms = ±150 PPM/°C)
Resistance Value
1 % Tolerance:
155 °C (30 min.) --> 25 °C (2~2 min.)
1.5 hours at rated voltage followed by a pause of 0.5 hour at 70 ± 2 °C;
Cycle repeated for 1000 hours
40 ±2 °C with 90~95 % relative humidity;
DC rated voltage for 1.5 hours “ON”, 0.5 hour “OFF”;
Cycle repeated for 1000 hours
Resistance to Solder
Heat
260 ±5 °C for 10 ±1 seconds
Solderability
After immersing flux, dip in 245 ±2 °C molten solder bath for 3 ± 0.5 seconds
Board Flex
Bending 2 mm
Test Limits ΔR
1 % Tolerance ≤ ±1 %
5 % Tolerance ≤ ±2 %
1 % Tolerance ≤ ±0.5 %
5 % Tolerance ≤ ±1 %
1 % Tolerance ≤ ±1 %
5 % Tolerance ≤ ±3 %
1 % Tolerance ≤ ±1 %
5 % Tolerance ≤ ±3 %
1 % Tolerance ≤ ±0.5 %
5 % Tolerance ≤ ±1 %
At least 95 % of termination
must be covered with solder..
1 % Tolerance ≤ ±0.5 %
5 % Tolerance ≤ ±1 %
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 Series Ultra-High Power Chip Resistors
Typical Part Marking
±5 % (E24):
301
CHP0603, CHP0805, CHP1206, CHP2512
Resistance value is expressed by 3 digits. The first two digits represent the significant figures of the nominal
resistance value in ohms; the third digit represents the exponent for a base of 10.
Example: 301 = 30 x 101 = 300 ohms
±1 % (E24/E96): CHP0805, CHP1206, CHP2512
Resistance value is expressed by 4 digits. The first three digits represent the significant figures of the nominal
resistance value in ohms; the third digit represents the exponent for a base of 10.
1542
Example: 1542 = 154 x 102 = 15.4K ohms
±1 % (E24):
222
CHP0603
Resistance value is expressed by 3 digits. The first two digits represent the significant figures of the nominal
resistance value in ohms; the third digit represents the exponent for a base of 10.
Example: 222 = 22 x 102 = 2.2K ohms
±1 % (E96):
01B
CHP0603
Resistance value is expressed by 2 digits followed by an alpha character multiplier. (Refer to marking table below.)
Example: 01B = 100 x 101 = 1K ohms
Code R Value
Code
R Value
Code
R Value
Code
Code
R Value
01
100
13
133
25
178
37
R Value Code
237
49
R Value
316
Code R Value
61
422
73
562
Code R Value
85
750
02
102
14
137
26
182
38
243
50
324
62
432
74
576
86
768
03
105
15
140
27
187
39
249
51
332
63
442
75
590
87
787
04
107
16
143
28
191
40
255
52
340
64
453
76
604
88
806
05
110
17
147
29
196
41
261
53
348
65
464
77
619
89
825
06
113
18
150
30
200
42
267
54
357
66
475
78
634
90
845
07
115
19
154
31
205
43
274
55
365
67
487
79
649
91
866
08
118
20
158
32
210
44
280
56
374
68
499
80
665
92
887
09
121
21
162
33
215
45
287
57
383
69
511
81
681
93
909
10
124
22
165
34
221
46
294
58
392
70
523
82
698
94
931
11
127
23
169
35
226
47
301
59
402
71
536
83
715
95
953
12
130
24
174
36
232
48
309
60
412
72
549
84
732
96
976
This table shows the first two digits for the three-digit E96 part marking scheme. The third character is a letter multiplier:
A=100 B=101 C=102 D=103 E=104 F=105 G=10-6 H=10-7 X=10-1 Y=10-2 Z=10-3
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 Series Ultra-High Power Chip Resistors
Packaging Dimensions (Conforms to EIA RS-481A)
CHP0603, CHP0805, CHP1206:
CHP2512:
2.00 ± 0.05
(.079 ± .002)
4.00 ± 0.10
(.157 ± .004)
1.50 +0.10/-0
DIA.
(.059 +.004/-0)
14.9
(.587)
MAX.
16.7
(.657)
MAX.
2.0 ± 0.5
(.079 ± .020)
1.75 ± 0.10
(.069 ± .004)
13.0 ± 0.5
(.512 ± .020)
W
60.0 ± 0.5
(2.36 ± .020)
F
B
4.00 ± 0.10
(.157 ± .004)
A
Model
Tape Type
MIN.
Pieces
per Reel
CHP0603
CHP0805
Paper
5,000
CHP1206
CHP2512
Plastic
3,000
20
(.787)
CHP0603, CHP0805, CHP1206:
10.0 ± 1.5
(.394 ± .059)
CHP2512:
13.8 ± 1.5
(.543 ± .059)
A
B
1.10 ± 0.20
(.043 ± .008)
1.90 ± 0.20
(.075 ± .008)
1.65 ± 0.20
(.065 ± .008)
2.40 ± 0.20
(.094 ± .008)
2.00 ± 0.20
(.079 ± .008)
3.60 ± 0.20
(.142 ± .008)
3.50 ± 0.20
(.138 ± .008)
6.70 ± 0.20
(.264 ± .008)
DIMENSIONS:
178.0 ± 2.0
(7.008 ± .080)
W
F
8.00 ± 0.30
(.315 ± .012)
3.50 ± 0.05
(.138 ± .002)
12.00 ± 0.30
(.472 ± .012)
5.50 ± 0.05
(.217 ± .002)
MM
(INCHES)
REV. 05/29/20
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.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
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Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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