Features
n RoHS compliant*
n Power rating at 70 °C: CR0603 - 0.10 W,
CR0805 - 0.125 W, CR1206 - 0.25 W
n Tight tolerances of bottom electrode
width
n Suitable for all types of soldering processes
n Three layer contacting process with
nickel barrier prevents leaching and
provides excellent solderability
n Paper tape on reel for automatic
placement
CR0603/CR0805/CR1206 - Chip Resistors
*RoHS Directive 2002/95/EC Jan. 27, 2003 including
annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data
sheet can and do vary in different applications and
actual device performance may vary over time.
Users should verify actual device performance in their
specific applications.
Electrical Characteristics
DIMENSIONS: MM
(INCHES)
*RoHS COMPLIANT
LEAD FREE
*RoHS COMPLIANT
VERSIONS
AVAILABLE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
Characteristic Model CR0603 Model CR0805 Model CR1206
Power Rating @ 70 °C 1/10 W 1/8 W 1/4 W
Operating Temperature Range -55 °C to +155 °C
Derated to 0 Load at +155 °C
Maximum Working Voltage 50 V 150 V 200 V
Maximum Overload Voltage 100 V 300 V 400 V
10ohms≤R≤1Mohms
±100 PPM/°C
Resistance Range: 1 %
E-96 + E-24 1Mohms<R≤10Mohms
±200 PPM/°C
10ohms≤R≤10Mohms
±200 PPM/°C
Resistance Range: 5 %
E-24 1ohm≤R<10ohms
10Mohms<R≤20Mohms
±400 PPM/°C
Zero Ohm Jumper <0.05 ohm
Rated / Maximum Current 1 A / 2.5 A 2 A / 5 A 2 A / 5 A
AEC-Q200: Contact Bourns to conrm availiability.
For Standard Values Used in Capacitors, Inductors, and Resistors, click here.
Chip Dimensions
Model Model Model
Dimension CR0603 CR0805 CR1206
L 1.60±0.10 2.00±0.15 3.20±0.25
(0.063±0.004) (0.079±0.006) (0.126±0.010)
W 0.80±0.10 1.25±0.15 1.60±0.15
(0.031±0.004) (0.049±0.006) (0.063±0.006)
H 0.45±0.10 0.50±0.10 0.60±0.15
(0.018±0.004) (0.020±0.004) (0.024±0.006)
I1 0.30±0.20 0.40±0.20 0.50±0.25
(0.012±0.008) (0.016±0.008) (0.020±0.010)
I2 0.30±0.20 0.40±0.20 0.50±0.20
(0.012±0.008) (0.016±0.008) (0.020±0.010)
Derating Curve
Characteristic Data
Dimensional Drawings
L
H
I2I2W
I1
I1
100
80
60
40
20
0
Rated Power (%)
Ambient Temperature (°C)
-55 070155
Overcoat
Resistor (Ru02)
(Jumper chip is
a conductor)
Alumina Substrate
Internal Electrode (Ag)
Secondary Electrode (Nickel Plated)
External Electrode
(tin-plated)
01R
CR0603/CR0805/CR1206 - Chip Resistors
Performance Characteristics
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
Test Procedure Method Specication Test Limits DR
1 % 5 %
DC Resistance -- MIL-STD-202 303
EIA RS-396 4.4 MIL-R-55342D 4.7.2 ≤±1 % ≤±5.0 %
Low Temperature
Operation
-55 °C, 1 hour “OFF”;
45 minutes "ON"
MIL-R-55342D 4.7.4
EIA RS-396 4.6 MIL-R-55342D 4.7.4 ≤±(0.5 % + 0.05 Ω) ≤±(1.0 % + 0.05 Ω)
Short time
Overload
Rated Voltage x 2.5,
5 seconds:
CR0603: 100 V max.
CR0805: 300 V max.
CR1206: 400 V max.
MIL-R-55342D 4.7.5
EIA RS-396 4.7 MIL-R-55342D 4.7.5 ≤±(1 % + 0.05 Ω) ≤±(2 % + 0.05 Ω)
High Temperature
Exposure +125 °C, 1000 hours MIL-R-55342D 4.7.6
EIA RS-396 4.8 MIL-R-55342D 4.7.6 ≤±(1.0 % + 0.05 Ω) ≤+(2.0 % + 0.1 Ω)
Resistance to
Solder Heat 260 °C, 10 seconds MIL-R-55342D 4.7.7 MIL-R-55342D 4.7.7 ≤±(0.5 % + 0.05 Ω) ≤±(1.0 % + 0.05 Ω)
Moisture Resis-
tance 90-98 % RH, 10 cycles MIL-STD-202 106D
EIA RS-396 4.9 MIL-R-55342D 4.7.8 ≤±(0.5 % + 0.05 Ω) ≤±(2.0 % + 0.05 Ω)
Load Life +70 °C; 1.5 hours “ON”,
0.5 hours “OFF”; 1000 hours
MIL-STD-202 108
Condition D
EIA RS-396 4.12
MIL-R-55342D 4.7.10 ≤±(1.0 % + 0.05 Ω) ≤±(3.0 % + 0.1Ω)
Solderability +235 °C; 3 seconds MIL-STD-202 208
EIA RS-396 4.11 MIL-R-55342D 4.7.11 ≥95 % of area covered
Terminal Strength Pull Test MIL-R-55342D 4.7.12 MIL-R-55342D 4.7.12 ≥500 g
Current Noise Quan-Tech Model 315B MIL-STD-202 308 MIL-R-55342D 6.6
R≤1 kW; 1 mV/V max.
R≤10 kW; 3 mV/V max.
R≤100 kW; 6 mV/V max.
R≤1 MW; 10 mV/V max.
Humidity, Steady
State
+40 °C; 90-95 % RH,
1344 hours
MIL-STD-202 103B
Condition D -- ≤±(2.5 % + 0.05 Ω) ≤±(2.5 % + 0.05 Ω
Salt Spray 96 hours MIL-STD-202 101D
Condition A -- ≤±(1.0 % + 0.2 Ω) ≤±(1.0 % + 0.1 Ω
Vibration 10-2000 Hz, 6 hours MIL-STD-202 201A -- ≤±(0.5 % + 0.1 Ω) ≤±(1.0 % + 0.1 Ω
Voltage Coefcient -- MIL-STD-202 309 -- ≤100 ppm/V
Insulation Resis-
tance
Test potential: 500V
CR0603: 100 V
MIL-STD-202 302
Condition B -- ≥1 GΩ
Dielectric With-
standing Voltage -- MIL-STD-202 301 -- CR0805, CR1206: ≥500 V
CR0603: ≥300 V
Drop Test 1 m MIL-STD-202 203B -- ≤±(0.5 % + 0.1 Ω) ≤±(1 % + 0.1 Ω
Bending Test 5 mm/90 mm, 10 seconds -- -- ≤±(1 % + 0.05 Ω) ≤±(1 % + 0.05 Ω)
Thermal Shock
-55 °C for 30 minutes,
+155 °C for 30 minutes,
5 cycles
IEC 60115-1-4.19 -- ≤±(0.5% + 0.05 Ω) ≤±(1 % + 0.05 Ω)
Resistance to Dry
Heat 125 ±5 °C for 96 ±4 hours IEC 60115-1-4.23.2 -- ≤±(1 % + 0.05 Ω) ≤±(2 % + 0.1 Ω)
CR0603/CR0805/CR1206 - Chip Resistors
Soldering Prole for RoHS Compliant Chip Resistors and Arrays
25
75
125
175
225
275
050 100 150 200 250 300
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)
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)
B
4.0 ± 0.1
(.157 ± .004)
2.0 ± 0.05
(.079 ± .002)
A
8.0 ± 0.2
(.315 ± .008)
3.5 ± 0.05
(.138 ± .002)
4.0 ± 0.1
(.157 ± .004)
20.5
(.807)
13.0 ± 0.5
(.512 ± .020)
2.0
(.080)
1.0 ± 0.2
(.040 ± .020)
10.0 ± 1.5
(.394 ± .059)
80.0 ± 1.0
(3.150 ± .040)
178.0 ± 2.0
(7.008 ± .080)
DIMENSIONS: MM
(INCHES)
Series A B
CR0603 1.9 ± 0.2 1.1 ± 0.2
(.075 ± .008) (.043 ± .008)
CR0805 2.4 ± 0.2 1.65 ± 0.2
(.094 ± .008) (.065 ± .008)
CR1206 3.57 ± 0.2 2.00 ± 0.2
(.161 ± .008) (.079 ± .008)
Marking on reel: Part number, quantity, resistance value and tolerance, date code.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
CR0603/CR0805/CR1206 - Chip Resistors
Resistor Markings Marking Explanation
• E-24:3digits,rsttwodigitsare
signicant,thirddigitisnumberof
zeros.
Letter R is decimal point.
• E-96:4digits,rstthreedigitsare
signicant,fourthdigitisnumberof
zeros.
Letter R is decimal point.
0603 E-96: EIA-96 marking (see table
below).
CR0603 CR0805 CR0603
CR0805 CR1206 EIA-96 Marking
CR1206
E-24 marking E-96 marking 1 % marking
Value = 10K ohms Value = 44.2K ohms Value = 12.4K ohms
EIA-96 Marking for CR0603, 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rst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=100 B=101 C=102 D=103 E=104 F=105
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
CR0603/CR0805/CR1206 - Chip Resistors
How To Order
CR 1206 - F X - 8252 E LF
Model
(CR = Chip Resistor)
Size
• 0603
• 0805
• 1206
Resistance Tolerance
F = ±1 % ................Usewith“X”TCRcodeonlyforvaluesfrom10ohmsthrough1megohm;
Usewith“W”TCRcodeonlyforvaluesfrom1megohmthrough10megohms.
J = ±5 % .................Usewith“W”TCRcodeforvaluesfrom10ohmsthrough10megohms;
Usewith“Z”TCRcodeforvaluesabove10megohmsthrough20megohms;
Usewith“/”TCRcodeforzeroohm(jumper)andvaluesfrom1ohmthrough9.1ohms.
TCR (ppm/°C)
X = ±100
W = ±200
Z = ±400
/=Usedwith“J”ResistanceTolerancecodeforzeroohm(jumper)andvaluesfrom1ohmthrough9.1ohms.
Resistance Value
For 1 % Tolerance:
<100 ohms...............“R” represents decimal point (example: 24R3 = 24.3 ohms).
≥100 ohms...............Firstthreedigitsaresignicant,fourthdigitrepresentsnumberofzerostofollow(example: 8252 = 82.5k ohms).
For 5 % Tolerance:
<10 ohms.............“R” represents decimal point (example: 4R7 = 4.7 ohms).
≥10 ohms.............Firsttwodigitsaresignicant,thirddigitrepresentsnumberofzerostofollow(example: 474 = 470k ohms; 000 = Jumper).
Packaging
E = Paper Tape (5,000 pcs.) on 7 ” Plastic Reel
Termination
LF = Tin-plated (RoHS Compliant)
REV. 11/16
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.