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CR0402-AS Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Sulfur-Resistant Thick Film Chip Resistors
*RoHS COMPLIANT
LEAD FREE
Features
n RoHS compliant*
n Small package dimensions
n Power rating at 70 °C = 1/16 W
n Three layer termination process with nickel
barrier helps prevent leaching and provides
excellent solderability
n Suitable for most types of soldering
processes
n Standard packaging on paper tape and reel
n Sulfur-resistant design
CR0402-AS Series - Sulfur-Resistant Thick Film Chip Resistors
General Characteristics
Characteristic
Power Rating @ 70 °C per Resistor
Resistor Tolerance
LVEREAoRDHSSFIORCNEOSEMAPRLEIANT*
Resistance Range - 1 % Tolerance (E24 + E96)
Resistance Range - 5 % Tolerance (E24),
Zero-ohm Jumper
Temperature Coefficient of Resistance (TCR)
1 % Tolerance
5 % Tolerance
Zero-ohm Jumper
Maximum Overload Voltage
Maximum Working Voltage
Operating Temperature Range
Storage Conditions
Derating Temperature
Packaging (Paper Tape)
Zero-ohm Jumper:
Current Rating
Maximum Resistance
CR0402-AS
0.063 W
±1 %, ±5 %
10 ohms to 1 megohm
1 ohm to 10 megohms,
0 ohms
±100 ppm/°C
±200 ppm/°C**
N/A
50 V
100 V
-55 to +155 °C
+5 ~ +40 °C, 25~75 % RH, 1 year
+70 °C
10,000 pcs. per reel
1 A per element
50 milliohms
**TCR for 1 ohm to 9.1 ohm resistance range, 5 % tolerance is ±300 ppm/°C.
Environmental Characteristics
Specification
Test Method (JIS C 5201-1)
Short Time
Overload
Soldering Heat
Temperature
Cycling
Moisture Load
Life
Load Life
Sulfur Test
Rated voltage x 2.5, 5 seconds
+260 °C ±5 °C, 10 ±1 seconds
-55 °C (30 minutes) - normal (2~3 minutes)
+125 °C (30 minutes) - normal (2~3 minutes), 5 cycles
+40 °C, 90~95 % RH, 1000 hours,
1.5 hours ON, 0.5 hours OFF
+70 °C, 1000 hours,
1.5 hours ON, 0.5 hours OFF
3 ppm H2S, +50 °C, 90~95 % RH, 100 hours
NOTE: Zero-ohm jumper ≤100 milliohms.
Characteristics
±(2 % +0.1 ohm)
±(1 % +0.05 ohm)
±(1 % +0.05 ohm)
±(3 % +0.1 ohm)
±(3 % +0.1 ohm)
±(5 % +0.1 ohm)
Soldering Profile
275
<1> Maximum of 20 seconds between
+255 °C and +260 °C
<1> 255 °C
225
175
150 °C
220 °C
190 °C
60 - 90
seconds
260 °C peak
Ramp Down
6 °C/second
125
60 - 120 seconds
10 seconds minimum
75
Ramp Up
3 °C/second maximum
25
0
50
100
150
200
250
300
Time (seconds)
How To Order
CR 0402 - F X - 1002 G AS
Chip
Resistor
Size
• 0402
Tolerance
• F=1%
• J=5%
TCR (ppm/°C)
• X = ±100
• W = ±200
• / = N/A (for Jumper)
Resistance Code
• For 1 % Tolerance
<100 ohms:
“R” designates decimal point
(example: 24R3 = 24.3 ohms)
≥100 ohms:
First three digits are significant,
fourth digit represents number of
zeros to follow
(example: 8252 = 82.5K ohms)
• For 5 % Tolerance
<10 ohms:
“R” designates decimal point
(example: 4R7 = 4.7 ohms)
≥10 ohms:
First two digits are significant,
third digit represents number of
zeros to follow
(example: 474 = 470K ohms;
000 = Zero-ohm jumper)
Packaging
• G = Paper Tape
(10,000 pcs. on 7-inch plastic reel)
Special Characteristics
• AS = Sulfur-resistant, Tin-plated terminations
(RoHS compliant)
For Standard Values Used in Capacitors,
Inductors, and Resistors, click here.
Construction
Resistor (Ru02)
(Jumper chip is
a conductor)
Overcoat
Alumina Substrate
Internal Electrode
Secondary Electrode (Nickel Plated)
External Electrode (Sn)
* 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.