Cal-Chip
Electronics, Incorporated
RM S
ERIES
Thick Film Chip Resistors - RM Series
“Fixed Chip Resistors” manufactured for more compact electronic compo-
nents 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.
FEATURES
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.
PART NUMBERING
(EX) 0805 1 /10 watt 5% 10ohm
RM
1
10
2
J
3
100
4
CT
5
1. Code Designation:
Thick Film Chip Resistors
2. Dimensions:
RM04
RM10
RM14
RM25
1.0x.5mm;
RM06 1.6x.8mm;
2.0xl.25mm; RM12 3.2x1.6mm
3.2x2.65mm; RM20 5.0x2.5mm;
6.3x3.1 mm
3. Resistance Tolerance:
F: ±1%; J: ±5%
4. Nominal Resistance:
5% - 3 Digit
1st 2 significant 3rd
is multiplier (10x)
1% - 4 digit
1st 3 significant
4th multiplier (10x)
0000 = jumper “0” ohm
5. Packaging:
Bulk packaging: BP
Tape packaging: CT
59
Cal-Chip
Electronics, Incorporated
RM S
ERIES
Thick Film Chip Resistors
P
ERFORMANCE
C
HARACTERISTICS
(T
ESTED
Type
RM04
Package
Size
0402
Power Rating
(Watts)
1/16 @ 70°C
PER
MIL-STD-202)
Maximum
Overload
Voltage
100V
Resistance
Temperature
Coefficient
±250ppm/°C
±200ppm/°C
±200ppm/°C
±500ppm/°C
±500ppm/°C
±200ppm/°C
±100ppm/°C
±500ppm/°C
±500ppm/°C
±200ppm/°C
±100ppm/°C
±500ppm/°C
±500ppm/°C
±200ppm/°C
±100ppm/°C
±500ppm/°C
±500ppm/°C
±200ppm/°C
±100ppm/°C
±500ppm/°C
±200ppm/°C
±100ppm/°C
±500ppm/°C
±200ppm/°C
±100ppm/°C
Resistance
Range
2.2Ω - 9.1Ω
10Ω - 3.3M
10Ω - 1M
1.0Ω - 9.1Ω
1.1M - 5.6M
10Ω - 1M
10Ω - 1M
1.0Ω - 9.1Ω
1.1M- 10M
10Ω - 1M
10Ω - 1M
1.0Ω - 9.1Ω
1.1M - 10M
10Ω - 1M
10Ω - 1M
1.0Ω - 1.8Ω
4
2.2Ω - 9.1Ω
10Ω - 10M
10Ω - IM
1.0Ω - 8.2Ω
4
10Ω - 1M
10Ω - 1M
1.0Ω - 8.2Ω
4
5.6Ω - 1M
47.5Ω - 1M
Tolerance
±5%
±5%
±1%
±5%
±5%
±5%
±1%
±5%
±5%
±5%
±1%
±5%
±5%
±5%
±1%
±5%
±5%
±5%
±1%
±5%
±5%
±1%
±5%
±5%
±1%
Current
Rating
of Jumper
3
1A max.
Maximum
Working
Voltage
50V
RM06
0603
1/16 @ 70°C
50V
100V
1A max.
RM10
0805
1/10
1
@ 70°C
150V
300V
2A max.
RM12
1206
1/8
2
@ 70°C
200V
400V
2A max.
RM14
1210
1/4 @ 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 (.35±0.05)
.018±.004 (0.45±0.10)
.018±.004-(0.45±0.10)
.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)
Notes
Inches (mm)
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)
Bottom Terminator (b)
.010+.008/-.004 (0.25+0.20/-0.10)
.012+.008/-.004 (0.30+0.20/-O.10)
.012+.008/-.004 (0.30+0.20/-O.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)
1. RM04 J & F are not marked.
2. RM10 is dual rated at 1/10W, 1/8W.
3. RM12 is dual rated at 1/4W, 1/8W.
4. Zero ohm (0.05Ω max.) jumper available in all sizes.
5. E-12 resistance ranges apply.
6. Higher and lower values available.
Consult factory.
60
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
RM S
ERIES
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
E-96
Code Value
02
105
06
115
10
127
14
140
18
154
22
169
26
187
30
205
34
226
38
249
42
274
46
301
50
332
54
365
58
402
62
442
66
487
70
536
74
590
78
649
82
715
86
787
90
866
94
953
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 designation 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, ±2%-G, ±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:
10R = 10 ohms
102 = 1k ohms
470 = 47 ohm
103 = 10k ohms
101 = 100 ohms
104 = 100k ohms
105 = 1 megohms
For E-96 Series (±1%-F Tolerance)
In 0805, 1206, and 1210 sizes:
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)
2.
5% 3-Digit
0603*
0805
1206
1210
2010
2512
1% 4-Digit
0805
1206
1210
2010
2512
*For 1%, a 3-digit
alpha-numeric
marking system is
used.
3.
P
ERFORMANCE
C
HARACTERISTICS
Items
Moisture Resistance, Thermal Shock
Low Temperature Exposure
Load Life
Load Life in Moisture
Vibration
Resistance to Soldering Heat
Solderability
Adhesion Curing
Heat Resistance
Dry Heat
Pull
Terminal Strength
Board Bending
Dielectric Withstanding Voltage
Short Time Overload
Insulation Resistance
Voltage Coefficient
Specifications, Requirement
±(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±)
Tested 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
Typical
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
M
ATERIALS
Feature
Substrate
Resistive Film
Coating
Terminations
Material
Alumina Porcelain
Ruthenium-Oxide Film
Boro-Silicated Acid Lead Glass
90/10 Tin-Lead (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
61
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