參數(shù)資料
型號(hào): CCR
廠商: TT Electronics / Welwyn
英文描述: Carbon Ceramic Resistors
中文描述: 碳陶瓷電阻
文件頁(yè)數(shù): 1/4頁(yè)
文件大?。?/td> 92K
代理商: CCR
Carbon Ceramic
Resistors
CCR Series
Replacement for hot moulded
carbon composition
High pulse voltage and energy capability
Non-inductive
Surface mount option
UL94-V0 approved coating
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
Issue C · 03.06
A subsidiary of
TT electronics plc
Welwyn Components
Dimensions (mm)
Type
L max
D max
D norm
F min
CCR 1
15.5
5.5
0.8
30
CCR series resistors are produced from a carbon ceramic
composite material, the composition of which is varied to
produce the required resistance value. The ceramic rods are
fitted with end caps to which are welded the termination
wires. Finally, a specially formulated high voltage epoxy
coating is applied and the resistors are marked.
The body protection and marking are resistant to all normal
industrial cleaning solvents suitable for printed circuits.
Electrical Data
* Tolerance applies to date of manufacture. As in all carbon composition parts value drift in storage is possible. This is typically 3%
in one year and 5% in 2 years.
Physical Data
Construction
Solvent Resistance
CCR series resistors are colour coded. Resistors with 20%
tolerance have three bands indicating value, and resistors with
5% and 10% tolerance have four bands indicating value and
tolerance in accordance with IEC62.
Marking
L
D
f
d
CCR 1
Power rating at 25°C
watts
1
Resistance range
ohms
220R – 22K
Maximum pulse voltage
volts
See pulse graphs
TCR
ppm/°C
<1K0 : -700±200
1K0 : -1000±300
10 or 20 *
Resistance Tolerance
%
Standard Values
E12
Ambient temperature range
°C
-40 to 80
Thermal Impedance
°C/W
100
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