Cal-Chip
Electronics, Incorporated
RM S
ERIES
Thick Film Chip Resistors - RM Series
“Fixed Chip Resistors” manufactured for more compact electronic com-
ponents and automatic mounting system.
These Chip Resistors have electrical stability and mechanical stress
due to used reliable metal glazed paste printed on Alumina substrate.
Resistors will reduce your cost and save developmental time.
F
EATURES
1. Very small, thin and light weight.
2. Both flow soldering and reflow soldering are applicable.
3. Owing to the reduced lead inductance, the high frequency
characteristic is excellent.
4. Suitable size and packaging for surface mount assembly.
P
ART
N
UMBERING
(EX) 0805 5% 10ohm
RM
1
10
2
J
3
100
4
CT
5
1. Code Designation:
Thick Film Chip Resistors
2. Dimensions:
RM02
RM06
RM12
RM20
0.6x0.3mm;
1.6x.8mm;
3.2x1.6mm;
5.0x2.5mm;
RM04
RM10
RM14
RM25
1.0x0.5mm;
2.0x1.25mm;
3.2x2.65mm;
6.3x3.1mm
3. Resistance Tolerance:
F: ±1%; J: ±5%
4. Nominal Resistance:
5% - 3 Digit
1st 2 significant 3rd
is multiplier (10x)
000 = jumper “0” ohm
1% - 4 digit
1st 3 significant
4th multiplier (10x)
CT = Tape and reel*
5. Packaging:
*Note: Calchip has completed the Lead-Free transition. All parts shipped with or without the "custom designator" LF at the end
of the part number will be Lead-Free. Lead-Free material will still continue to have an LF at the end of the Lot Code and a green
RoHS symbol on the label. Please contact your sales associate if you require non-RoHS material.
Cal-Chip
Electronics, Incorporated
RM S
ERIES
Thick Film Chip Resistors
P
ERFORMANCE
C
HARACTERISTICS
(Tested per MIL-STD-202
Oper. Temp. -55c ~ 125c)
Type
RM04
Package
Size
0402
Power Rating
(Watts)
1/16 @ 70°C
Maximum
Working
Voltage
50V
Maximum
Overload
Voltage
100V
Resistance
Temperature
Coefficient
±500ppm/°C
±200ppm/°C
±200ppm/°C
±400ppm/°C
±200ppm/°C
±200ppm/°C
±100ppm/°C
±400ppm/°C
±200ppm/°C
±200ppm/°C
±100ppm/°C
±400ppm/°C
±200ppm/°C
±200ppm/°C
±100ppm/°C
±400ppm/°C
±200ppm/°C
±200ppm/°C
±100ppm/°C
±400ppm/°C
±200ppm/°C
±100ppm/°C
±400ppm/°C
±200ppm/°C
±100ppm/°C
Resistance
Range
.1Ω
- 9.1Ω
10Ω - 10 M
10Ω - 1 M
.1Ω
- 9.1Ω
1 M - 10 M
10Ω - 10 M
10Ω - 1 M
.1Ω
- 9.1Ω
1 M - 10 M
10Ω - 20 M
10Ω - 1 M
.1Ω - 9.1Ω
1 M - 10 M
10Ω - 20 M
10Ω - 1 M
.1Ω - 9.1Ω
1 Μ
- 10 M
10Ω - 10 M
10Ω - 1 M
.1Ω - 9.1Ω
10Ω - 10 M
10Ω - 1 M
.1Ω - 9.1Ω
10Ω
- 10 M
10Ω
- 1 M
Tolerance
±5% / 1%
±5%
±1%
±5% / 1%
±1%
±5%
±1%
±5% / 1%
±1%
±5%
±1%
±5% / 1%
±1%
±5%
±1%
±5% / 1%
±1%
±5%
±1%
±5% / 1%
±5%
±1%
±5% / 1%
±5%
±1%
Current
Rating
of Jumper
3
1A max.
RM06
0603
1/10 @ 70°C
50V
100V
1A max.
RM10
0805
1/8 @ 70°C
150V
300V
2A max.
RM12
1206
1/4 @ 70°C
200V
400V
2A max.
RM14
1210
1/3 @ 70°C
200V
400V
3A max.
RM20
2010
1/2 @ 70°C
200V
400V
3A max.
RM25
2512
1 @ 70°C
200V
400V
3A max.
D
IMENSIONS
Type
RM04
RM06
RM10
RM12
RM14
RM20
RM25
Body Length (L)
0.39+.004/-.002 (1.0+0.10/-0.05)
.063±.004 (1.60±0.10)
.078±.008 (2.00±0.20)
.122±.004 (3.10±0.10)
.122±.004 (3.10±0.10)
.197±.008 (5.00±0.20)
.248±.008 (6.30±0.20)
Body Width (W)
.020+.004/-.002 (0.50+.10/-0.05)
.031+.006/-.002 (0.80+0.15/-0.05)
.049±.008 (1.25±0.20)
.061±.004 (1.55±0.10)
.100±.004 (2.55±0.10)
.098±.008 (2.50±0.20)
.124±.008 (3.15±0.20)
Body Height (H)
.014±.002 (0.35±0.05)
.018±.004 (0.45±0.10)
.018±.004 (0.45±0.15)
.021+.004/-.002 (0.55+0.10/-0.05)
.021+.004/-.002 (0.55+0.10/-0.05)
.021±.004 (0.55±0.10)
.021±.004 (0.55±0.10)
Top Terminator (a)
.008±.004 (0.20±0.10)
.010±.004 (0.25±0.10)
.016±.008 (0.40±0.20)
.018±.008 (0.45±0.20)
.018±.008 (0.45±0.20)
.020±.008 (0.50±0.20)
.020±.008 (0.50±0.20)
Inches (mm)
Bottom Terminator (b)
.010+.008/-.004 (0.25+0.20/-0.10)
.012+.008/-.004 (0.30+0.20/-0.10)
.012+.008/-.004 (0.30+0.20/-0.10)
.012+.008/-.004 (0.30+0.20/-0.10)
.012+.008/-.004 (0.30+0.20/-0.10)
.020±.008 (0.50±0.20)
.020±.008 (0.50±0.20)
N
OTES
1. RM04 J & F are not marked
2. Zero Ohm (0.05 max.) jumper available in all sizes
3. EIA, E24 and E96 resistance ranges apply
4. Higher and lower values available. Consult Factory.
Cal-Chip
M
ARKING
Electronics, Incorporated
E-24
Value
100
110
120
130
150
160
180
200
220
240
270
300
330
360
390
430
470
510
560
620
680
750
820
910
E-96
Value
100
110
121
133
147
162
178
196
215
237
261
287
316
348
383
422
464
511
562
619
681
750
825
909
Code
01
05
09
13
17
21
25
29
33
37
41
45
49
53
57
61
65
69
73
77
81
85
89
93
Value
102
113
124
137
150
165
182
200
221
243
267
294
324
357
392
432
475
523
576
634
698
768
845
931
Code
02
06
10
14
18
22
26
30
34
38
42
46
50
54
58
62
66
70
74
78
82
86
90
94
Value
105
115
127
140
154
169
187
205
226
249
274
301
332
365
402
442
487
536
590
649
715
787
866
953
RM S
ERIES
Code
03
07
11
15
19
23
27
31
35
39
43
47
51
55
59
63
67
71
75
79
83
87
91
95
Value
107
118
130
143
158
174
191
210
232
255
280
309
340
374
412
453
499
549
604
665
732
806
887
976
Code
04
08
12
16
20
24
28
32
36
40
44
48
52
56
60
64
68
72
76
80
84
88
92
96
Thick Film Chip Resistors
Resistance value in three digit designation system is marked on the
glasscoat. Illustrated is a resistor of 15KΩ. Four digit resistance desig-
nation system is applied to RM12 and E-96 Series. For example, 1502
designated 15KΩ. (The last digit specifies the number of zeros.)
1.
For E-24 Series (±5%-J
and
±10%-K Tolerances)
In 0603, 0805, 1206, 1210, 2010 and 2512 sizes:
3 DIGIT SYSTEM
- First two digits are significant and
third digit is multiplier, “R” indicates decimal on values
under 10 ohms.
Examples:
100 = 10 ohms
102 = 1k ohms
470 = 47 ohm
103 = 10k ohms
101 = 100 ohms
104 = 100k ohms
105 = 1 megohms
2.
For E-96 Series (±1%-F Tolerance)
In 0805, 1206, and 1210sizes:
4 DIGIT SYSTEM
- First three digits are significant and
fourth digit is multiplier, “R” indicates decimal on values
under 10 ohms.
Examples:
10R0 = 10 ohms
1003 = 100k ohms
1000 = 100 ohms
1004 = 1 megohms
1001 = 1k ohms
1052 = 10.5k ohms
1002 = 10k ohms
2213 = 221k ohms
For E-96 Series (±1%-F Tolerance) in 0603 size
3 DIGIT SYSTEM
(Due to space restrictions)
*For 1%, a 3-digit alpha-numeric marking system is
used as follows.
3.
A
10
0
B
10
1
C
10
2
D
10
3
E
10
4
F
10
5
X
10
-1
P
ERFORMANCE
C
HARACTERISTICS
I
TEMS
Moisture Resistance, Thermal Shock
Low Temperature Exposure
Load Life
Load Life in Moisture
Vibration
Resistance to Soldering Heat
Solderability
Heat Resistance
Adhesion Curing
Dry Heat
Pull
Board Bending
S
PECIFICATIONS
, R
EQUIREMENT
±(1%+0.05Ω), No Mechanical Damage
±(3%+0.1Ω), No Mechanical Damage
<1 meg ±(3%+0.1Ω),
≥1
meg ±5%
<1 meg ±(3%+0.1Ω),
≥1
meg ±5%
±(1%+0.05Ω), No Mechanical Damage
±(1%+0.05Ω), No Mechanical Damage
min. 95% coverage
±(1%+0.05Ω)
±(3%+0.1Ω), No Mechanical Damage
±(1%+0.05Ω), No Mechanical Damage
±(1%+0.05Ω), No Mechanical Damage
No Insulation Breakdown
±(1%+0.05Ω), No Evidence of Arc
1,000 meg minimum
+0/-100ppm/V (above 1K±)
T
ESTED PER
EIA J-RC-2690A
-55°C to +125°C, 5 cycles
-55°C, 1,000 Hours
70°C, rated voltage, 1.5hr on/0.5hr off, 1,000 hrs
40°C, 95% R.H., 1.5hr on/0.5hr off, 1,000 hrs
10-55 Hz, 3 direction, each 2 hours
270°C, 10 seconds
230°C, 3 seconds, flux applied
1
+150°C, 10 minutes
-125°C, 1,000 hours
500G load, 30 seconds
1/45mm bend, 10 seconds
500V, 1 minute
2 1/2 times rated voltage, 5 seconds
500V, 1 minute
Rated Voltage & 1/10 times rated voltage
T
YPICAL
Within ±0.2%
Within ±0.5%
See Graph
See Graph
Within ±0.1%
See Graph
More than 97%
Within ±0.3%
Within ±0.5%
Within ±0.2%
Within ±0.2%
Above 900V
Within ±0.4%
Above 10
6
meg
Within -90ppm/V
Terminal Strength
Dielectric Withstanding Voltage
Short Time Overload
Insulation Resistance
Voltage Coefficient
M
ATERIALS
Feature
Substrate
Resistive Film
Coating
Terminations
Material
Alumina Porcelain
Ruthenium-Oxide Film
Boro-Silicated Acid Lead Glass
100% matte Tin (Electrical Plated) over
Nickel (Electrical Plated) over
AG-PD (Silver Palladium[Glaze Printed])
Remarks (Reference Only)
Purity 90% min.
20 Microns Thick
20 Microns Thick
3 Microns Thick
3 Microns Thick
8 Microns Thick
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