THICK FILM CHIP RESISTOR
CAL-CHIP ELECTRONICS INC.
CAL-CHIP SERIES:
RM SERIES
• INTRODUCTION
SCOPE
Applies to all sizes of rectangular-type fixed chip resistors with Ruthenium
base as material.
- Small size and light weight
- Highly reliable multilayer electrode construction
- Compatible with all soldering process
- Telecommunication Equipments
- Radio and Tape Recorders, TV Tuners
- Digital Cameras, Watches, Pocket Calculators
- Computers, Instruments
- Medical and Military Equipment
FEATURES
APPLICATIONS
• CONSTRUCTION
• DERATING CURVE
Table 2-2
1
Alumina
Substrate
Bottom
Electrode (Ag)
Top Electrode
(Ag-Pd)
4
Edge Electrode
(NiCr)
7
Resistor Layer
Primary Overcoat
(glass)
Secondary
Overcoat (Epoxy)
2
5
Barrier Layer (Ni)
External Electrode
(Sn)
8
3
6
9
Page 1 of 8
59 Steamwhistle Drive • Ivyland, PA 18974 • P 215-942-8900 • www.calchip.com • quotes@calchip.com
• DIMENSIONS
Size
(Inch)
.01005
.0201
.0402
.0603
.0805
1206
1210
1218
2010
2512
Type
RM01
RM02
RM04
RM06
RM10
RM12
RM14
RM15
RM20
RM25
L (mm)
0.40±0.02
0.60±0.03
1.00±0.05
1.60±0.10
2.00±0.10
3.10±0.10
3.10±0.10
3.10±0.10
5.00±0.10
6.34±0.10
W (mm)
0.20±0.02
0.30±0.03
0.50±0.05
0.80±0.10
1.25±0.10
1.55±0.10
2.60±0.15
4.6±0.10
2.50±0.15
3.10±0.15
T (mm)
0.13±0.02
0.23±0.03
0.35±0.05
0.45±0.10
0.50±0.10
0.55±0.10
0.55±0.10
0.55±0.10
0.55±0.10
0.55±0.10
D1 (mm)
0.10±0.03
0.15±0.05
0.20±0.10
0.30±0.20
0.35±0.20
0.50±0.25
0.50±0.25
0.45±0.20
0.60±0.25
0.60±0.25
D2 (mm)
0.10±0.03
0.15±0.05
0.20±0.10
0.30±0.20
0.40±0.20
0.50±0.20
0.50±0.20
0.40±0.20
0.50±0.20
0.50±0.20
Weight
(g) (1000
pcs)
0.037
0.150
0.620
2.042
4.368
8.947
15.959
10.124
24.241
39.448
• PART NUMBERING GUIDE
RM
TYPE
RM
Series
06
DIMENSIONS
01: 01005
02: 0201
04: 0402
06: 0603
10: 0805
12: 1206
14: 1210
15: 1218
20: 2010
25: 2512
J
RESISTANCE
TOLERANCE
B: ±0.1%
C: ±0.25%
D: ±0.5%
F: ±1%
J: ±5%
100
NOMINAL
RESISTANCE
5% - 3 Digit: 1st 2
are significant, 3rd
is multiplier (10x),
“R” indicates
decimal on value
<10ohm, 000
jumper “0” ohm
.1%, .25%, .5%,
1% - 4 digit: 1st 3
are significant, 4th
is multiplier (10x),
“R” indicates
decimal on value
<100 ohm
CT
PACKAGING
CT: Taping Reel
01005 to 0402 Reel Sizes:
CTD - 20K Reel (optional)
0603 to 1210 Reel Sizes:
CTDK: 10K Reel (optional)
-H
FUNCTION CODE
__: Standard
-H: High Power
-U: Ultra High Power
-X: High Precision
___: Standard
TCR
50: TCR50
(Optional)
Page 2 of 8
59 Steamwhistle Drive • Ivyland, PA 18974 • P 215-942-8900 • www.calchip.com • quotes@calchip.com
• STANDARD ELECTRICAL SPECIFICATIONS
Type /
Item
Power Rating at
70°C Jumper
Rated Current
Operating
Temp.
Range
Max.
Operating
Voltage
Max.
Overload
Voltage
Resistance Range
±1%
±5%
TCR
(PPM/°C)
RM01
(01005)
1/32W
-55 ~ + 125°C
Jumper: 0.5A
1/20W
-55 ~ + 125°C
Jumper: 1A
25V
50V
15V
30V
10Ω - 1MΩ
0Ω (<50mΩ)
1Ω - 1MΩ
0Ω (<50mΩ)
1Ω - 9.76Ω
10Ω - 1MΩ
1.02MΩ - 20MΩ
20.5MΩ - 100MΩ
0Ω (<50mΩ)
1Ω - 9.76Ω
10Ω - 1MΩ
1.02MΩ - 20MΩ
20.5MΩ - 100MΩ
0Ω (<50mΩ)
1Ω - 9.76Ω
10Ω - 1MΩ
1.02MΩ - 20MΩ
20.5MΩ - 100MΩ
0Ω (<50mΩ)
1Ω - 9.76Ω
10Ω - 1MΩ
1.02MΩ - 20MΩ
20.5MΩ - 100MΩ
0Ω (<50mΩ)
1Ω - 9.76Ω
10Ω - 1MΩ
1.02MΩ - 20MΩ
20.5MΩ - 100MΩ
0Ω (<50mΩ)
1Ω - 9.76Ω
10Ω - 1MΩ
1.02MΩ - 20MΩ
20.5MΩ - 100MΩ
0Ω (<50mΩ)
1Ω - 9.76Ω
10Ω - 1MΩ
1.02MΩ - 20MΩ
20.5MΩ - 100MΩ
0Ω (<50mΩ)
1Ω - 9.76Ω
10Ω - 1MΩ
1.02MΩ - 20MΩ
20.5MΩ - 100MΩ
0Ω (<50mΩ)
±300
-
±200
-
±200
±100
±200
±400
-
±200
±100
±200
±400
-
±200
±100
±200
±400
-
±200
±100
±200
±400
-
±200
±100
±200
±400
-
RM02
(0201)
RM04
(0402)
1/16W
-55 ~ + 155°C
Jumper: 1A
50V
100V
RM06
(0603)
1/10W
-55 ~ + 155°C
Jumper: 1A
75V
150V
RM10
(0805)
1/8W
-55 ~ + 155°C
Jumper: 2A
150V
300V
RM12
(1208)
1/4W
-55 ~ + 155°C
Jumper: 2A
200V
400V
RM14
(1210)
1/3W
-55 ~ + 155°C
Jumper: 2.5A
200V
400V
RM15
(1218)
-
1W
-55 ~ + 155°C
500V
500V
-
±200
±100
±200
±400
-
±200
±100
±200
±400
RM20
(2010)
3/4W
-55 ~ + 155°C
Jumper: 3.5A
200V
400V
RM25
(2512)
1W
-55 ~ + 155°C
Jumper: 4A
250V
500V
Page 3 of 8
-
59 Steamwhistle Drive • Ivyland, PA 18974 • P 215-942-8900 • www.calchip.com • quotes@calchip.com
• HIGH PRECISION ELECTRICAL SPECIFICATIONS
Type /
Item
Power Rating
at 70°C Jumper
Rated Current
Operating
Temp.
Range
Max.
Operating
Voltage
Max.
Overload
Voltage
Resistance Range
±0.1%
-
1/16W
50V
100V
-
1.02Ω - 10MΩ
10Ω - 1MΩ
1/10W
75V
150V
-
1.02Ω - 10MΩ
10Ω - 1MΩ
1/8W
150V
300V
-
1.02Ω - 10MΩ
10Ω - 1MΩ
1/4W
-55 ~ + 155°C
200V
400V
-
1.02Ω - 10MΩ
10Ω - 1MΩ
1/3W
200V
400V
-
1.02Ω - 10MΩ
10Ω - 1MΩ
3/4W
200V
400V
-
1.02Ω - 10MΩ
10Ω - 1MΩ
1W
250V
500V
-
1.02Ω - 10MΩ
±200
±200
±100
±200
±100
±200
±100
±200
±100
±200
±100
±200
±100
±0.25%
±0.5%
10Ω - 1MΩ
TCR
(PPM/°C)
RM04
(0402)
±100
RM06
(0603)
RM10
(0805)
RM12
(1206)
RM14
(1210)
RM20
(2010)
RM25
(2512)
• HIGH POWER & ULTRA HIGH POWER RATING ELECTRICAL SPECIFICATIONS
Type /
Item
RM04
(0402)
RM06
(0603)
RM10
(0805)
RM12
(1206)
RM14
(1210)
RM20
(2010)
RM25
(2512)
Power Rating at
70°C Jumper
Rated Current
Operating
Temp. Range
Max.
Operating
Voltage
50V
Max.
Overload
Voltage
100V
Resistance Range
±1%
±5%
TCR
(PPM/°C)
1/10
*1/8W
1/4W
75V
150V
1/3W
-55 ~ + 155°C
150V
300V
10Ω - 9.76Ω
10Ω - 1MΩ
0Ω -
<20mRΩ
1/3 *1/2W
200V
400V
±200
±100
1/2
*3/4W
200V
400V
3/4
*1W
200V
400V
2W
250V
500V
Operating Voltage = √(P*R) or Max. operating voltage listed above, whichever is lower
Overload Voltage = 2.5*√(P*R) or Max. overload voltage listed above, whichever is lower
Cal-Chip is capable of manufacturing the optional spec based on customer’s requirement
Page 4 of 8
59 Steamwhistle Drive • Ivyland, PA 18974 • P 215-942-8900 • www.calchip.com • quotes@calchip.com
• TC50 ELECTRICAL SPECIFICATIONS
Power Rating at
70°C Jumper
Type /
Rated Current
Item
RM04
(0402)
RM06
(0603)
RM10
(0805)
RM12
(1206)
RM14
(1210)
RM20
(2010)
RM25
(2512)
Operating
Temp.
Range
Max.
Operatin
g
Voltage
50V
Max.
Overload
Voltage
100V
Resistance Range
±0.1%
-
±0.25%
±0.5%
±1%
TCR
(PPM/°C)
1/16W
100Ω - 1MΩ
1/10W
75V
150V
1/8W
-55 ~ +
155°C
150V
300V
1/4W
200V
400V
10Ω -
1MΩ
10Ω - 10MΩ
±50
1/3W
200V
400V
3/4W
200V
400V
1W
250V
500V
• SOLDERING CONDITION
1. Time of IR Reflow soldering at maximum temperature point 260°C : 10s
2. Time of wave soldering at maximum temperature point 260°C : 10s
3. Time of soldering iron at maximum temperature point 410°C : 5s
• RECOMMENDED LAND PATTERN
Type
RM01
RM02
RM04
RM06
RM10
RM12
RM14
RM15
RM20
RM25
A (mm)
B (mm)
0.18
0.25
0.45
0.60
0.70
0.90
0.90
1.00
0.90
1.60
C (mm)
0.25
0.30
0.60
0.90
1.30
1.60
2.80
4.80
2.80
3.50
0.14
0.30
0.50
0.90
1.20
2.00
2.00
2.20
3.80
3.80
Page 5 of 8
59 Steamwhistle Drive • Ivyland, PA 18974 • P 215-942-8900 • www.calchip.com • quotes@calchip.com
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