SRT Resistor Technology
Trimmable Chip Resistors
Types: CRA/CRB
Sizes: 0603, 0805, 1206, 1210, 1216, 1216H
Features:
•
•
•
•
•
•
•
Trimmable Chip Resistors in Thickfilm (without pre-trimm)
CRA: Contact areas Nickel-barrier / matte-tinned
glass-passivated, for soldering
CRB: Contact areas PtAg – non-magnetic
unpassivated, for soldering and conductive glueing
Suitable for Laser and Air-abrasive trimming
High trimming ratios by special geometries
High temperature application possible (up to 300°C; CRB only)
Suitable for high vacuum applications – no organics
Dimensions:
Size
0603
0612
0805
1206
1210
1216
1216H
L
1.50
+0.15/-0.05
1.50
+0.2/-0.05
2.00
+0.15/-0.05
B
0.80
+0.15/-0.05
3.20
+0.15/-0.05
1.25
+0.15/-0.05
D
0.40
+0.15/-0.05
0.40
+0.15/-0.05
0.40
+0.15/-0.05
C
0.2
+0.2/-0.1
0.3
+0.2/-0.1
0.3
+0.2/-0.1
B
L
D
3.20
+0.15/-0.05
3.20
+0.15/-0.05
3.2
+0.2/-0.05
3.2
+0.2/-0.05
1.50
+0.2/-0.05
2.50
+0.2/-0.05
4.1
+0.2/-0.05
4.1
+0.2/-0.05
0.40
+0.15/-0.05
0.50
+0.15/-0.05
0.5
+0.2/-0.1
0.5
+0.2/-0.1
0.3
+0.2/-0.1
0.8
±
0.2
0.4
±
0.2
0.4
±
0.2
C
L = Length, B = Width, D = Thickness, C = Width of wrap around (in mm)
B
CRA/CRB 1216H
Packaging:
Bulk in plastic bags – minimum quantity 100 pcs/value
Blistertape acc. to IEC 60286-3 – minimum 1000 pcs/value
Reel diameter 180 mm or 330 mm
L
Ordering Data:
Type – value – tolerance – TCR – packaging
Example: CRA 1216 100R
±
20% - TCR 50 - Tape 180 mm
If no requirements for TCR and taping are given, the highest value in table will be supplied and
packaging is bulk.
Issue 10-2008
SRT Resistor Technology GmbH
Ostlandstr. 31
D-90556 Cadolzburg
Germany
Fon:
Fax:
E-mail:
Internet:
+49 (0)9103 / 7952-0
+49 (0)9103 / 5128
info@srt-restech.de
www.srt-restech.de
SRT Resistor Technology
Trimmable Chip Resistors
Types: CRA/CRB
Sizes: 0603, 0805, 1206, 1210, 1216, 1216H
Technical data – depending on size:
Size
Power rating P
70
(mW)
(P
155
= 0 mW)
3)
Working voltage U_, U
eff
(V)
trimmed
(trimming by user)
untrimmed (as delivered)
Trimming ratios (single cut)
1)
0603
100
75
220
1,5
0805
125
100
300
1,5
1206
250
200
600
2
1210
350
200
600
3
1216
400
200
600
4
1216H
400
200
600
8
Ranges / Tolerances
4)
/
TCR
2)
1R – < 10R
10R – 10M
1)
2)
10/20/30%
TC250
10/20/30%
TC250
10/20/30%
TC250
10/20/30%
TC250
10/20/30%
TC250
10/20/30%
TC250
5/10/20/30% 5/10/20/30% 5/10/20/30% 5/10/20/30% 5/10/20/30% 5/10/20/30%
TC50/100
TC50/100
TC50/100
TC50/100
TC50/100
TC50/100
Detailed information on request.
TC50: Temperature range +25°C...+85°C; TK50 not in the resistance range < 100R
3)
Continuouse operating voltage: U =
√(P*R)
4)
Non-symmetric tolerances also available (e.g. -0/+20%)
Technical data – general:
Temperature range
Climatic category acc. to EN 60068-1
Solderability acc. EN 60068-2-58 (lead-free and lead-containing)
3)
Max. soldering temperature acc. EN 60068-2-58
- 55°C ... + 155°C
55/155/56
250°C 3s
260°C 10s
Extended temperature range up to 300°C possible (CRB only) -
see datasheet: High temperature chip resistors
Long term stability
Storage 125°C/1000h
Storage 155°C/1000h
Load P
70
70°C/1000h
Damp heat (56d/40°C/96%)
3)
10R – 10M
<0,5%
<1%
<1%
<0,5%
<10R
<1%
<2%
<2%
<1%
CRB: Up to 6 months after shipment; longer at storage in Nitrogen
Data not specified according EN 140401-802 (CECC 40401-802)
Specifications subject to change without notice
Issue 10-2008
Fon:
Fax:
E-mail:
Internet:
+49 (0)9103 / 7952-0
+49 (0)9103 / 5128
info@srt-restech.de
www.srt-restech.de
SRT Resistor Technology GmbH
Ostlandstr. 31
D-90556 Cadolzburg
Germany
PCB Design
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