*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
CRP Series - Precision Chip Resistors
Electrical Characteristics
Dimensional Drawing Construction
Derating Curve
DIMENSIONS ARE: MM
(INCHES)
Features
■0.1 % tolerance from 100 ohms to
360K ohms
■RoHS compliant*
■Three layer contacting process with
nickel barrier helps prevent leaching and
provides excellent solderability
■Suitable for most types of soldering
processes
■Paper tape on reel for automatic
placement
Characteristic Model Model Model
CRP0603 CRP0805 CRP1206
Power Rating @ 70 °C 1/10 W 1/8 W 1/4W
Operating Temperature Range -55 °C to +125 °C
Derated to Zero Load at +125 °C
Maximum Working Voltage 50 V 150 V 200 V
Maximum Overload Voltage 100 V 300 V 400 V
Resistance Range: (E-96 + E-24 Values) 100 ohms to 360K ohms
Temperature Coefficient ±50 PPM/°C 100 ohms to 35.7K ohms 100 ohms to 100K ohms 100 ohms to 100K ohms
±100 PPM/°C 36K ohms to 100K ohms 102K ohms to 360K ohms 102K ohms to 360K ohms
Chip Dimensions
Dimension Model Model Model
CRP0603 CRP0805 CRP1206
L1.60 ± 0.10 2.00 ± 0.15 3.10 ± 0.15
(0.063 ± .004) (0.079 ± .006) (0.122 ± .006)
W0.80 ± 0.10 1.20 ± 0.15 1.60 ± 0.15
(0.031 ± .004) (0.047 ± .006) (0.063 ± .006)
H0.45 ± 0.15 0.50 ± 0.10 0.50 ± 0.15
(0.018 ± .006) (0.020 ± .004) (0.020 ± .006)
I10.35 ± 0.25 0.40 ± 0.20 0.50 ± 0.30
(0.014 ± .010) (0.016 ± .008) (0.020 ± .012)
I20.40 ± 0.20 0.40 ± 0.20 0.50 ± 0.25
(0.016 ± .008) (0.016 ± .008) (0.020 ± .010)
Characteristic Data
Tests per IEC115-1 ∆R Max.
Load Life (1000 Hours) ±(0.5 % + 0.05 ohms)
Load Life Humidity (1000 Hours ±(0.5 % + 0.05 ohms)
Short Time Overload ±(0.5 % + 0.05 ohms)
L
W
HI2
I1
Overcoat
Inner ElectrodeResistive Element
Ceramic Substrate
Sn Plating
Ni Plating
100
80
60
40
20
0
Rated power in percentage (%)
-55 070 125
(°C) Ambient temperature
*RoHS COMPLIANT
Asia-Pacific:
TEL +886-2 25624117
FAX +886-2 25624116
Europe:
TEL +41-41 7685555
FAX +41-41 7685510
The Americas:
TEL +1-951 781-5500
FAX +1-951 781-5700
www.bourns.com
For Standard Values Used in Capacitors,
Inductors, and Resistors, click here.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Soldering Profile for RoHS Compliant Chip Resistors and Arrays
CRP Series - Precision Chip Resistors
25
75
125
175
225
275
0 50 100 150 200 250 300
Time (seconds)
Temperature (°C)
60 - 120 seconds
60 - 90
seconds
260 °C peak
190 °C
150 °C
220 °C
Ramp Down
6 °C/second
255 °C
Maximum of 20 seconds between
+255 °C and +260 °C
Ramp Up
3 °C/second maximum
10 seconds minimum
<1>
<1>
Packaging Dimensions (Conforms to EIA RS-481A)
Marking on reel: Part number, quantity, resistance value and tolerance, date code.
1.5 +0.1/-0
(.056 + .004/-0)
Maximum 1 mm (.040) thick
*Cumulative tolerance over 10 holes: ±0.2 mm
1.75 ± 0.1
(.059 ± .004)
4.0 ± 0.1
(.157 ± .004)
2.0 ± 0.05
(.079 ± .002)
8.0 ± 0.2
(.315 ± .008)
3.5 ± 0.05
(.138 ± .002)
A
B
4.0 ± 0.1
(.157 ± .004) 20.5
(.807)
13.0 ± 0.5
(.512 ± .020)
2.0
(.080)
1.0 ± 0.2
(.040 ± .020)
11.4 ± 2.0
(.449 ± .079)
80.0 ± 1.0
(3.150 ± .040)
178.0 ± 2.0
(7.008 ± .080)
Dimension Model Model Model
CRP0603 CRP0805 CRP1206
A1.9 ± 0.2 2.4 ± 0.2 3.6 ± 0.2
(.075 ± .008) (.094 ± .008) (.142 ± .008)
B1.1 ± 0.2 1.65 ± 0.2 2.0 ± 0.2
(.043 ± .008) (.065 ± .008) (.079 ± .008)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
CRP Series - Precision Chip Resistors
EIA-96 Marking for CRP0603, 0.1 %
Code R Value Code R Value Code R Value Code R Value Code R Value Code R Value Code R Value Code R Value
01 100 13 133 25 178 37 237 49 316 61 422 73 562 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 EIA-96 part marking scheme. The third character is a letter multiplier:
Y=10-2 X=10-1 A=100B=101C=102D=103E=104F=105
CRP0603
EIA-96 Marking
0.1 % marking
Value = 12.4K ohms
Marking Explanation
E-24:
• 3 digits; first two digits are significant, third digit is number of zeroes to follow.
E-96:
• 0603 size, EIA-96 marked per table below.
• 0805 and 1206 size, marked with 4 digits. First three digits are significant, fourth digit
is number of zeroes to follow.
Resistor Markings
How To Order
CRP 0603 - B Z - 7871 E LF
Model
(CRP = Precision Chip Resistor)
Size
0603 = 0603 Size
0805 = 0805 Size
1206 = 1206 Size
Resistance Tolerance
B = ±0.1 %
TCR (PPM/°C)
Z = ±50 PPM/°C, 100 ohms through 35.7K ohms (0603 size); 100 ohms through 100K ohms (0805 and 1206 size)
X = ±100 PPM/°C, 36K ohms through 360K ohms (0603 size); 102K ohms through 360K ohms (0805 and 1206 size)
Resistance Value
First three digits are significant, fourth digit represents number of zeroes to follow (example: 7871 = 7.87K ohms)
Packaging
E = 5,000 pieces on 180 mm (7 inch) reel
Termination
LF = Tin-plated (RoHS compliant)
REV. 02/08
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Bourns:
CRP0603-BZ-1652ELF CRP0805-BX-2003ELF CRP0805-BZ-1000ELF CRP0805-BZ-1001ELF CRP0805-BZ-
1002ELF CRP1206-BX-2003ELF CRP1206-BZ-1000ELF CRP1206-BZ-1001ELF CRP1206-BZ-1002ELF CRP1206-
BZ-2670ELF CRP0805-BX-1243ELF CRP0603-BW-4992ELF CRP0603-BZ-1001ELF CRP0603-BZ-1002ELF
CRP0603-BZ-1003ELF CRP0603-BZ-1211ELF CRP0603-BZ-1212ELF CRP0603-BZ-1501ELF CRP0603-BZ-
2491ELF CRP0603-BZ-4121ELF CRP0603-BZ-4641ELF CRP0603-BZ-4991ELF CRP0603-BZ-5622ELF CRP0603-
BZ-7870ELF CRP0805-BZ-5621ELF CRP1206-BZ-2001ELF CRP1206-BZ-3651ELF CRP1206-BZ-3831ELF
CRP1206-BZ-4221ELF CRP1206-BZ-3481ELF CRP0805-BZ-6340ELF CRP0805-BZ-2212ELF CRP0805-BZ-
4321ELF CRP0603-BZ-7681ELF
