CRH Series

 CRH Series
High Power Chip Resistor
MERITEK
Feature and Applications
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This specification 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 Equipment
Radio and Tape Recorders, TV Tuners
Digital Cameras, Watches, Pocket Calculators
Automotive Industry
Computers, Instruments
Medical and Military Equipment
PART NUMBERING SYSTEM
CRH
0603
H
102
J
High Power Chip Resistors
SIZE
0402 0603 0805
Function Code
H
High Power
Resistance Value
5%
1%
1206
1210
2010
U
Ultra High Power
x
3 digits. First 2 are significant, Third is multiplier (10 )
x
4 digits. First 3 are significant, Forth is multiplier (10 )
Resistance Tolerance
Code
F
Value
±1%
J
±5%
100
Power ratio (%)
Derating Curve 2512
CRH0402
CRH0603
CRH0805
CRH1206
CRH1210
CRH2010
CRH2512
80
60
40
20
0
0
20
40
60
80
100
120
140
160
Ambient Temperature ( ℃ )
Rev. 7a
CRH Series
High Power Chip Resistor
MERITEK
Construction
L
D1
  
 W
T
     Alumina Substrate
 Edge Electrode (NiCr)
 Resistor Layer (RuO2/Ag)
 Bottom Electrode (Ag)
 Top Electrode (Ag-Pd)
 Barrier Layer (Ni)
 External Electrode (Sn)
 Primary Overcoat (Glass)
 Secondary
Overcoat
(Epoxy)
 D2
Unit: mm
D1
D2
(mm)
T
(mm) (mm)
(mm)
Weight
(g)
(1000pcs)
1.00±0.05
0.50±0.05
0.35±0.05
0.20±0.10
0.20±0.10
0.620
0603
1.60±0.10
0.80±0.10
0.45±0.10
0.30±0.20
0.30±0.20
2.042
CRH0805
0805
2.00±0.10
1.25±0.10
0.50±0.10
0.35±0.20
0.40±0.20
4.368
CRH1206
1206
3.10±0.10
1.55±0.10
0.55±0.10
0.50±0.25
0.50±0.20
8.947
CRH1210
1210
3.10±0.10
2.60±0.15
0.55±0.10
0.50±0.25
0.50±0.20
15.959
CRH2010
2010
5.00±0.10
2.50±0.15
0.55±0.10
0.60±0.25
0.50±0.20
24.241
CRH2512
2512
6.35±0.10
3.10±0.15
0.55±0.10
0.60±0.25
0.50±0.20
39.448
Type
Size
(Inch)
CRH0402
L
W
(mm)
0402
CRH0603
Soldering Condition IR Reflow Soldering
Wave Soldering (Flow Soldering)
(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
Rev. 7a
CRH Series
High Power Chip Resistor
MERITEK
Resistance Range: >1Ω
High Power Rating Electrical Specifications
Item
Type
Power Rating
at 70C
Operating Temp.
Range
Max.
Operating
Voltage
Max.
Overload
Voltage
CRH0402
1/8W
50V
100V
CRH0603
1/4W
75V
100V
CRH0805
1/3W
150V
300V
CRH1206
1/3W
200V
400V
CRH1210
1/2W
200V
400V
CRH2010
1W
200V
400V
CRH2512
2W
250V
500V
-55 ~ +155C
Resistance Range
±1%
TCR
(PPM/°C)
±5%
1Ω - 9.76Ω
10Ω - 1MΩ
±200
±100
Resistance Range
TCR
(PPM/°C)
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.
Ultra High Power Rating Electrical Specifications
Item
Type
Power Rating
at 70C
Operating Temp.
Range
Max.
Operating
Voltage
Max.
Overload
Voltage
CRH0402
1/8W
50V
100V
CRH0603
1/4W
75V
100V
CRH0805
1/3W
150V
300V
CRH1206
1/2W
200V
400V
CRH1210
3/4W
200V
400V
CRH2010
1W
200V
400V
CRH2512
2W
250V
500V
-55 ~ +155C
±1%
±5%
1Ω - 9.76Ω
10Ω - 1MΩ
±200
±100
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. Resistance Range: <1Ω
High Power Rating Electrical Specifications
Item
Power Rating
at 70C
Operating Temp.
Range
CRH0402
1/16W
-55 ~ +155C
CRH0603
1/10W
-55 ~ +155C
CRH0805
1/8W
-55 ~ +155C
CRH1206
1/4W
-55 ~ +155C
CRH1210
1/3W
-55 ~ +155C
CRH2010
3/4W
-55 ~ +155C
CRH2512
1W
-55 ~ +155C
Resistance Range
(mΩ)
±1%
±5%
TCR
(PPM/C)
Type
50 - 91
100 - 976
20 - 47
50 - 91
100 - 976
10 - 18
20 - 47
50 - 91
100 - 976
800
500
1200
800
500
1500
1200
800
500
10 - 18
20 - 91
100 - 976
1500
800
500
Rev. 7a
CRH Series
High Power Chip Resistor
MERITEK
Environmental Characteristics
Requirement
Item
1% and Below
5%
Test Method
Jumper
Temperature Coefficient of
Resistance (T.C.R.)
As Spec.
Short Time Overload
(1.0%+0.05Ω) (2.0%+0.05Ω) <50mΩ
Insulation Resistance
10G
Endurance
(1.0%+0.10Ω) (2.0%+0.10Ω) <100mΩ
Damp Heat with Load
(1.0%+0.10Ω) (2.0%+0.10Ω) <100mΩ
Dry Heat
(1.0%+0.05Ω) (1.5%+0.10Ω) <50mΩ
JIS-C-5201-1 4.8
IEC-60115-1 4.8
-55C~+125C, 25C is the reference temperature
JIS-C-5201-1 4.13
IEC-60115-1 4.13
RCWV*2.5 or Max. overload voltage for 5 seconds,
2 seconds for high power series
JIS-C-5201-1 4.6
IEC-60115-1 4.6
Max. overload voltage for 1 minute
JIS-C-5201-1 4.25
IEC-60115-1 4.25.1
702C, Max. working voltage for 1000 hrs with 1.5
hrs “ON” and 0.5 hrs “OFF”
JIS-C-5201-1 4.24
402C, 90~95% R.H. Max. working voltage for
1000 hrs with 1.5 hrs “ON” and 0.5 hrs “OFF”
JIS-C-5201-1 4.23
IEC-60115-1 2.23.2
at +125/+155C for 1000 hrs
Bending Strength
(1.0%+0.05Ω) (1.0%+0.05Ω) <50mΩ
Solderability
95% min. coverage
Resistance to Soldering Heat (0.5%+0.05Ω) (1.0%+0.05Ω) <50mΩ
Voltage Proof
Leaching
Rapid Change of
Temperature
No breakdown or flashover
Individual leaching area ≦5%
Total leaching area ≦ 10%
(0.5%+0.05Ω) (1.0%+0.05Ω) <50mΩ
JIS-C-5201-1 4.33
IEC-60115-1 4.33 Bending once for 5 seconds 2010, 2512 sizes: 2mm Other sizes: 3mm
JIS-C-5201-1 4.17
IEC-60115-1 4.17
2455C for 3 seconds
JIS-C-5201-1 4.18
IEC-60115-1 4.18
2605C for 10 seconds
JIS-C-5201-1 4.7
IEC-60115-1 4.7
1.42 times RCWV (RMS) for 1 minute
JIS-C-5201-1 4.18
IEC-60068-2-58 8.2.1
2605C for 30 seconds
JIS-C-5201-1 4.18
IEC-60115-1 4.18
-55C to +125/+155C, 5 cycles
Storage Temperature: 25±3°C; Humidity < 80%RH
Rev. 7a
CRH Series
High Power Chip Resistor
MERITEK
Packaging Packaging Quantity & Reel Specifications
Type
Packaging
Quantity
Reel
Diameter
ΦA
(mm)
7 inch
178.5±1.5
10 inch
254±1.0
40K
13 inch
5K
Tape Width
10K
CRH0402
Paper
CRH0603
CRH0805
CRH1206
CRH1210
Paper
CRH2010
CRH2512
Embossed
20K
10K
8mm
8mm
20K
4K
ΦB
(mm)
ΦC
(mm)
W
(mm)
T
(mm)
13.0±0.2
9.0±0.5
12.5±0.5
100±0.5
13.0±0.2
9.5±0.5
13.5±0.5
330±1.0
100±0.5
13.0±0.2
9.5±0.5
13.5±0.5
7 inch
178.5±1.5
60+1/-0
13.0±0.2
9.0±0.5
12.5±0.5
10 inch
254±1.0
100±0.5
13.0±0.2
9.5±0.5
13.5±0.5
13 inch
330±1.0
100±0.5
13.0±0.2
9.5±0.5
13.5±0.5
7 inch
178.5±1.5
60
+1/-0
13.0±0.5
13.0±0.5
15.5±0.5
10 inch
250±1.0
62±0.5
13.0±0.5
12.5±0.5
16.5±0.5
+1/-0
60
12mm
8K
Paper Tape Specifications
B o tto m T ap e
T o p T ap e
ψ D0
E
A
F
B
T
P ap er T ap e
P1
R esisto r
P2
P0
W
d irectio n o f u n reelin g
Type
A
(mm)
B
(mm)
W
(mm)
E
(mm)
F
(mm)
P0
(mm)
P1
(mm)
P2
(mm)
ΦD0
(mm)
T
(mm)
CRH0402
0.65±0.10 1.15±0.10
8.0±0.20
1.75±0.10 3.50±0.05 4.00±0.10 2.00±0.05 2.00±0.05 1.50+0.1,-0 0.45±0.10
CRH0603
1.10±0.10 1.90±0.10
8.0±0.20
1.75±0.10 3.50±0.05 4.00±0.10 4.00±0.05 2.00±0.05 1.50+0.1,-0 0.70±0.10
CRH0805
1.60±0.10 2.40±0.20
8.0±0.20
1.75±0.10 3.50±0.05 4.00±0.10 4.00±0.05 2.00±0.05 1.50+0.1,-0 0.85±0.10
CRH1206
1.90±0.10 3.50±0.20
8.0±0.20
1.75±0.10 3.50±0.05 4.00±0.10 4.00±0.05 2.00±0.05 1.50+0.1,-0 0.85±0.10
CRH1210
2.90±0.10 3.50±0.20
8.0±0.20
1.75±0.10 3.50±0.05 4.00±0.10 4.00±0.05 2.00±0.05 1.50+0.1,-0 0.85±0.10
Rev. 7a
CRH Series
High Power Chip Resistor
MERITEK
Emboss Plastic Tape Specifications
Top Tape
ψ D0
E
A
F
B
W
ψ D1 1.4Min.
T
P1
Resistor
P2
P0
direction of unreeling
Emboss Tape
Type
A
(mm)
B
(mm)
W
(mm)
E
(mm)
F
(mm)
P0
(mm)
P1
(mm)
P2
(mm)
ΦD0
(mm)
T
(mm)
CRH2010
2.8±0.10
5.5±0.10
12.0±0.30
1.75±0.10
5.5±0.05
4.00±0.10
4.00±0.10
2.00±0.05 1.50+0.1, -0
1.2
+0
CRH2512
3.5±0.10
6.7±0.10
12.0±0.30
1.75±0.10
5.5±0.05
4.00±0.10
4.00±0.10
2.00±0.05 1.50+0.1, -0
1.2
+0
Recommend Land Pattern
CRH0402
A
(mm)
0.50
B
(mm)
0.45
C
(mm)
0.60
CRH0603
0.90
0.60
0.90
CRH0805
1.20
0.70
1.30
CRH1206
2.00
0.90
1.60
CRH1210
2.00
0.90
2.80
CRH2010
3.80
0.90
2.80
CRH2512
3.80
1.60
3.50
Type
C B A Rev. 7a