IA
NT
Features
■
■
■
■
1 % tolerance from 1.02 megohms to
10 megohms
RoHS compliant*
Power rating at 70 °C: CRH0603 - 0.10 W,
CRH0805 - 0.125 W, CRH1206 - 0.25 W
Suitable for all types of soldering
processes
*R
oH
S
CO
M
■
■
Three layer contacting process with
nickel barrier helps prevent leaching and
provides excellent solderability
Paper tape on reel for automatic
placement
PL
CRH0603/CRH0805/CRH1206 - Chip Resistors
Electrical Characteristics
Characteristic
Power Rating @ 70 °C
Operating Temperature Range
Derated to 0 Load at
Maximum Working Voltage
Maximum Overload Voltage
Resistance Range (E-96 + E-24)
Temperature Coefficient
50 V
100 V
Model
CRH0603
1/10 W
Model
CRH0805
1/8 W
-55 °C to +125 °C
+125 °C
100 V
200 V
200 V
400 V
Dimensional Drawing
I1
I1
Characteristic Data
Model
CRH1206
1/4 W
Tests per IEC115-1
Load Life (1000 hours)
Load Life Humidity
(1000 hours)
Short Time Overload
∆R
Max.
±1 %
±1 %
±1 %
1.02 megohms - 10 megohms
±200 ppm/°C
H
For Standard Values Used in Capacitors, Inductors, and Resistors,
click here.
I2
I2
L
Chip Dimensions
Dimension
L
W
H
I1
I2
Model
CRH0603
1.60±0.10
(0.063±0.004)
0.80±0.10
(0.031±0.004)
0.45±0.10
(0.018±0.004)
0.30±0.20
(0.012±0.008)
0.30±0.20
(0.012±0.008)
Model
CRH0805
2.00±0.15
(0.079±0.006)
1.25±0.15
(0.049±0.006)
0.50±0.10
(0.020±0.004)
0.40±0.20
(0.016±0.008)
0.40±0.20
(0.016±0.008)
Model
CRH1206
3.20±0.25
(0.126±0.010)
1.60±0.15
(0.063±0.006)
0.60±0.15
(0.024±0.006)
0.50±0.25
(0.020±0.010)
0.50±0.20
(0.020±0.010)
DIMENSIONS ARE:
MM
(INCHES)
W
Resistor (Ru0
2
)
(Jumper chip is
a conductor)
Overcoat
Alumina Substrate
Internal Electrode (Ag-Pd)
Secondary Electrode (Nickel Plated)
External Electrode
(see Part Numbering - may be
ordered as solder-plated
or tin-plated)
Derating Curve
Rated power in percentage (%)
100
80
60
40
20
0
-55
0
70
(°C) Ambient temperature
125
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
*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.
CRH0603/CRH0805/CRH1206 - Chip Resistors
Soldering Profile for RoHS Compliant Chip Resistors and Arrays
275
<1>
Maximum of 20 seconds between
260 °C peak
<1>
255 °C
+255 °C and +260 °C
225
220 °C
Temperature (°C)
190 °C
175
150 °C
60 - 90
seconds
Ramp Down
6 °C/second
125
60 - 120 seconds
10 seconds minimum
75
Ramp Up
3 °C/second maximum
25
0
50
100
150
Time (seconds)
200
250
300
Packaging Dimensions (Conforms to EIA RS-481A)
4.0 ± 0.1
(.157 ± .004)
B
A
3.5 ± 0.05
(.138 ± .002)
8.0 ± 0.2
(.315 ± .008)
2.0
(.080)
13.0 ± 0.5
(.512 ± .020)
80.0 ± 1.0
(3.150 ± .040)
2.0 ± 0.05
(.079 ± .002)
1.0 ± 0.2
(.040 ± .020)
4.0 ± 0.1
(.157 ± .004)
Maximum 1 mm (.040) thick
*Cumulative tolerance over 10 holes: ±0.2 mm
1.5 +0.1/-0
(.056 + .004/-0)
1.75 ± 0.1
(.059 ± .004)
20.5
(.807)
178.0 ± 2.0
(7.008 ± .080)
Series
CRH0603
A
1.9 ± 0.2
(.075 ± .008)
B
1.1 ± 0.2
(.043 ± .008)
10.0 ± 1.5
(.394 ± .059)
CRH0805
CRH1206
2.4 ± 0.2
(.094 ± .008)
3.57 ± 0.2
(.161 ± .008)
1.65 ± 0.2
(.065 ± .008)
2.00 ± 0.2
(.079 ± .008)
DIMENSIONS ARE:
MM
(INCHES)
Marking on reel: Part number, quantity, resistance value and tolerance, date code.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
CRH0603/CRH0805/CRH1206 - Chip Resistors
Resistor Markings
CRH0805
CRH1206
CRH0603
EIA-96 Marking
Marking Explanation
E-96: 4 digits, first three digits are
significant, fourth digit is number of
zeros to follow.
Letter R is decimal point.
0603 E-96: EIA-96 marking (see table
below).
E-96 marking
Value = 44.2K ohms
1 % marking
Value = 12.4K ohms
EIA-96 Marking for CRH0603, 1 %
Code
01
02
03
04
05
06
07
08
09
10
11
12
R Value
100
102
105
107
110
113
115
118
121
124
127
130
Code
13
14
15
16
17
18
19
20
21
22
23
24
R Value
133
137
140
143
147
150
154
158
162
165
169
174
Code
25
26
27
28
29
30
31
32
33
34
35
36
R Value
178
182
187
191
196
200
205
210
215
221
226
232
Code
37
38
39
40
41
42
43
44
45
46
47
48
R Value
237
243
249
255
261
267
274
280
287
294
301
309
Code
49
50
51
52
53
54
55
56
57
58
59
60
R Value
316
324
332
340
348
357
365
374
383
392
402
412
Code
61
62
63
64
65
66
67
68
69
70
71
72
R Value
422
432
442
453
464
475
487
499
511
523
536
549
Code
73
74
75
76
77
78
79
80
81
82
83
84
R Value
562
576
590
604
619
634
649
665
681
698
715
732
Code
85
86
87
88
89
90
91
92
93
94
95
96
R Value
750
768
787
806
825
845
866
887
909
931
953
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=10
0
B=10
1
C=10
2
D=10
3
E=10
4
F=10
5
How To Order
CRH 1206 - F W - 1024 E LF
Model
(CRH = Chip Resistor High Value)
Size
• 0603
• 0805
• 1206
Resistance Tolerance
F = ±1 %
TCR (ppm/°C)
W = ±200
Resistance Value
±1 %, 1.02 megohms through 10 megohms ......First three digits are significant, fourth digit represents number of zeros to follow
(example: 1024 = 1.02 megohms).
Packaging
E = Paper Tape (5,000 pcs.) on 7 ” Plastic Reel
Termination
LF = Tin-plated (RoHS compliant)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
REV. 02/08
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