microtech GmbH electronic Teltow
Chip resistors - Made in Germany
Trimmable series
Type: CRA
Sizes: 0402, 0603, 0805, 1206, 1210, 1218, 2010, 2512
Characteristics:
•
•
•
•
•
•
•
Chip resistors in thick film technology
Resistance area trimmable after manufacturing
Maximum trimming factor=1,3; higher factors by reducing of U
max
or P
70
available
Resistance area coated with glass passivation
RoHS-conform and Halogen-free according to IEC 61249-2-21 / IPC 4101B
Customer specific barcodes available - also in 2D
All sizes can be manufactured with the following contact variants
⇒
Electroplated pure tin
⇒
Contact with low rest permeability -N, suitable only for reflow soldering method
(The recommended storage time should not exceed 1 year after date code)
⇒
Epoxy bondable contact –K
⇒
Special corrosive gas resistant contact –S, Sulfur resistance verified according to ASTM B 809
ISO 9001:2015
ISO 14001:2015
Dimensions (in mm):
Size
L
Length
Min
Max
W
Width
Min
Max
H
Depth
Min
Max
t
Contact
back
Min
Max
T
Contact
front
Min
Max
0402
0603
0805
1206
1210
1218
2010
2512
0,95
1,50
1,85
2,90
3,00
3,00
4,80
6,10
1,05
1,70
2,15
3,35
3,30
3,30
5,20
6,50
0,45
0,75
1,10
1,45
2,35
4,50
2,30
3,00
0,55
0,95
1,40
1,75
2,65
4,80
2,70
3,30
0,25
0,35
0,35
0,35
0,50
0,50
0,50
0,50
0,40
0,55
0,65
0,65
0,75
0,75
0,75
0,75
0,10
0,10
0,15
0,25
0,35
0,35
0,35
0,35
0,35
0,50
0,60
0,75
0,85
0,85
0,85
0,85
0,05
0,10
0,15
0,15
0,25
0,25
0,25
0,25
0,35
0,50
0,60
0,75
0,85
0,85
0,85
0,85
Packaging units:
Reel
Ø
180 mm
330 mm
Samples on request
5 T pcs.
10 T pcs. for size 0402
10 T pcs.
20 T pcs.
8 T pcs.
16 T pcs.
Card tape
acc. EN 60286-3
4 T pcs.
Blister tape
Ordering information:
CRA
Type
CRA
-N
Contact
Standard (without
add.)
-N (non magnetic)
-K (epoxy bondable)
-S (corrosive gas
resistant)
0603
Size
0402
.
10k
-20%
100ppm/K
±
TCR
50
100
N
Marking
N- only without
P
Packaging
P- Card tape
B- Blister tape
S- Bulk
10
(optional)
R-
±
Tolerance
Value
1R
.
pcs. / Reel
(T pcs.)
Depends
on size
and
packaging
unit
Customer
specific
to
.
to
.
2512
10M
Page 34
Revision: 25-Nov-19
Catalog microtech GmbH electronic
microtech GmbH electronic Teltow
ISO 9001:2015
ISO 14001:2015
Chip resistors - Made in Germany
Trimmable series
Type: CRA
Sizes: 0402, 0603, 0805, 1206, 1210, 1218, 2010, 2512
Technical data – depending on size:
Size
Nominal
voltage U
max
(V)
50
75
150
200
200
200
300
500
Load
P
70
(W)
R-Range
R-Tolerance*
(± %)
TCR
(± ppm/K)
P
0,063
0,100
0,125
0,250
0,500
1,000
0,500
1,000
1R - 10M
1R - 10M
1R - 10M
1R - 10M
1R - 10M
1R - 10M
1R - 10M
1R - 10M
-5 / -10 / -20 / -30
-5 / -10 / -20 / -30
-5 / -10 / -20 / -30
-5 / -10 / -20 / -30
-5 / -10 / -20 / -30
-5 / -10 / -20 / -30
-5 / -10 / -20 / -30
-5 / -10 / -20 / -30
50 / 100
50 / 100
50 / 100
50 / 100
50 / 100
50 / 100
50 / 100
50 / 100
x
x
x
x
x
x
x
x
Packaging
B
S
x
x
x
x
x
x
x
x
0402
0603
0805
1206
1210
1218
2010
2512
*Optional with tolerances of ±5%, ±10%, ±20% or ±30%
Dimensions of trimming area (in mm):
Size
Min
L
trim
(mm)
Length
Max
Min
W
trim
(mm)
Width
Max
0402
0603
0805
1206
1210
1218
2010
2512
0,30
0,50
0,90
1,80
1,40
1,40
2,90
4,20
0,50
0,90
1,30
2,20
1,80
1,80
3,60
5,00
0,30
0,35
0,70
1,00
1,70
3,60
1,80
1,90
0,40
0,55
0,90
1,20
1,90
3,80
2,00
2,10
Technical data - general:
Technical data
Operating temperature range
Climatic category acc. EN 60068
Solderability acc. EN 60068-2-58
Soldering heat resistance acc. EN 60068-2-58
Long time stability (before trimming)
Storage 155°C / 1000h
Endurance P
70
/ 70°C / 1000h
Damp heat, steady state (56d / 40°C / 93%)
±( 1,0% + 0,05R )
±( 0,5% + 0,05R )
±( 1,0% + 0,05R )
-55°C… +155°C
55 / 155 / 56
245°C 3s
±( 0,5% + 0,05R ) at 260°C 10s
Data, unless specified, acc. EN 140401-802.
Catalog microtech GmbH electronic
Revision: 25-Nov-19
Page 35
