參數(shù)資料
型號(hào)： CR
廠商： TT Electronics / Welwyn
英文描述： Surface Mounted Resistors
中文描述： 表面貼裝電阻
文件頁(yè)數(shù)： 1/3頁(yè)
文件大?。?/td> 169K
代理商： CR
Commercial
Power rating at 70°C
Resistance range
Limiting element voltage
TCR -55° to +155°C
CR0503
0.063
1R to 10M
50
CR0805
0.125
CR1005
0.125
1R to 100M
150
CR1206
0.25
CR2010
0.5
CR2512
1.0
Notes
watts
ohms
volts
ppm/°C
1R to 1M
400
100
200
500
<10 ohms 350: 10 to 100 ohms 200:
100 to 1M ohm 100: >1M ohm 250
0.1, 0.25, 0.5, 1, 2, 5
-55 to 155
Resistance tolerance
Ambient temperature range
%
°C
See table of value ranges
Approved CECC 40401-004
Power rating at 70°C
Resistance range
Limiting element voltage
TCR -55°C to +125°C
TCR +20°C to +70°C
Resistance tolerance
Ambient temperature range
CR0805
0.125
CR1206
0.25
watts
ohms
volts
ppm/°C
ppm/°C
1R to 10M
100
<10 ohms 200: 10 to 1M 100: >1M 200
<10 ohms 200: 10 to 1M 50: >1M 100
0.5, 1, 2, 5
-55 to +125
200
%
°C
See table of value ranges
Surface Mounted
Resistors
CR Series
CECC released products
Custom designs/sizes available
Any resistance value available within specified range
Terminations available for wire bonding or soldering
Available in sizes down to 0503
Resistance range 1 ohm to100M ohms
Tolerances down to 0.1%
Solder terminations have a nickel barrier layer
Shorting Links available
General Note
Welwyn Components reserves the right to make changes in product specification without notice or liability.
All information is subject to Welwyn’s own data and is considered accurate at time of going to print.
Welwyn Components Limited
· Bedlington, Northumberland NE22 7AA, UK
Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
Electrical Data
Issue F · 10.05
A subsidiary of
TT electronics plc
Welwyn Components
Approved CECC 40401-008
Power rating at 70°C
Resistance range
Limiting element voltage
TCR -55°C to +155°C
CR0805
0.125
1R to 10M
100
CR1206
0.25
1R to 10M
200
CR2010
0.5
1R to 1M
400
CR2512
1.0
1R to 1M
500
watts
ohms
volts
ppm/°C
<10 ohms 200: 10 to 1M ohms 100:
>1M ohms 250
0.1, 0.25, 0.5, 1, 2, 5
-55 to 155
Resistance tolerance
Ambient temperature range
%
°C
See table of value ranges
Approved CECC 40401-003
Power rating at 70°C
Resistance range
Limiting element voltage
TCR -55°C to +125°C
CR0805
0.063
1R to 3M
100
CR1206
0.125
1R to 5M
200
watts
ohms
volts
ppm/°C
<5 ohms 500: 5 to 10 ohms 350:
10 to 3M ohms 100: >3M ohms 250
0.25, 0.5, 1, 2, 5
-55 to 125
Resistance tolerance
Ambient temperature range
%
°C
See table of value ranges
17
Values
Thermal impedance
E24 & E96 preferred
290
Any value to order
Mounted on custom
designed PCB’s
°C/watt
800
360
200
80
70
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