CRH - Bourns

PL
IA
N
T
Features
M
■ 1 % tolerance from 1.02 megohms to
*R
oH
S
CO
10 megohms
This series is currently available,
but not recommended for new
designs. See Product
Obsolescence Memo for details.
■ 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
CRH0603/CRH0805/CRH1206 - Chip Resistors
Electrical Characteristics
Characteristic Data
Characteristic
Power Rating @ 70 °C
Model
CRH0603
Model
CRH0805
Model
CRH1206
1/10 W
1/8 W
1/4 W
Operating Temperature Range
-55 °C to +125 °C
Derated to 0 Load at
ΔR Max.
Test
Load Life (1000 hours)
< ±1 %
Short Time Overload
< ±0.5 %
Thermal Shock
< ±0.5 %
+125 °C
Maximum Working Voltage
50 V
100 V
200 V
Maximum Overload Voltage
100 V
200 V
400 V
Resistance Range (E-96 + E-24)
Dimensional Drawing
1.02 megohms - 10 megohms
Temperature Coefficient
I1
±200 ppm/°C
For Standard Values Used in Capacitors, Inductors, and Resistors, click here.
I1
H
Chip Dimensions
Dimension
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)
L
W
H
I1
I2
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:
MM
(INCHES)
I2
I2
Resistor (Ru02)
(Jumper chip is
a conductor)
Alumina Substrate
Internal Electrode (Ag-Pd)
Secondary Electrode (Nickel Plated)
External Electrode
(see Part Numbering - may be
ordered as solder-plated
or tin-plated)
Rated power in percentage (%)
Derating Curve
100
80
60
40
20
0
-55
0
70
W
L
125
(°C) Ambient temperature
*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.
Overcoat
Features (Continued)
■ Three layer contacting process with
nickel barrier helps prevent leaching and
provides excellent solderability
■ Paper tape on reel for automatic
placement
CRH0603/CRH0805/CRH1206 - Chip Resistors
Soldering Profile for RoHS Compliant Chip Resistors and Arrays
275
<1> Maximum of 20 seconds between
260 °C peak
+255 °C and +260 °C
<1> 255 °C
225
Temperature (°C)
220 °C
190 °C
60 - 90
seconds
175
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
Packaging Dimensions (Conforms to EIA RS-481A)
1.0 ± 0.2
(.040 ± .020)
4.0 ± 0.1
(.157 ± .004)
2.0 ± 0.05
(.079 ± .002)
B
A
3.5 ± 0.05
(.138 ± .002)
2.0
(.080)
8.0 ± 0.2
(.315 ± .008)
4.0 ± 0.1
(.157 ± .004)
1.5 +0.1/-0
(.056 + .004/-0)
13.0 ± 0.5
(.512 ± .020)
80.0 ± 1.0
(3.150 ± .040)
1.75 ± 0.1
(.059 ± .004)
Maximum 1 mm (.040) thick
*Cumulative tolerance over 10 holes: ±0.2 mm
Series
20.5
(.807)
A
B
CRH0603
1.9 ± 0.2
(.075 ± .008)
1.1 ± 0.2
(.043 ± .008)
CRH0805
2.4 ± 0.2
(.094 ± .008)
1.65 ± 0.2
(.065 ± .008)
CRH1206
3.57 ± 0.2
(.161 ± .008)
2.00 ± 0.2
(.079 ± .008)
178.0 ± 2.0
(7.008 ± .080)
10.0 ± 1.5
(.394 ± .059)
DIMENSIONS:
MM
(INCHES)
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.
CRH0603/CRH0805/CRH1206 - Chip Resistors
Resistor Markings
CRH0805
CRH1206
Marking Explanation
• E-96: 4 digits, first three digits are
significant, fourth digit is number of
zeros to follow.
CRH0603
EIA-96 Marking
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 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=100 B=101 C=102 D=103 E=104 F=105
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)
REV. 09/15
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.