High Power Resistors
Type C Series
Literature No. 1773188
Issued: 04-05
Dimensions are shown for
reference purposes only.
Dimensions are in millimetres
unless otherwise specified.
Specifications subject to
change.
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Key Features
■Vitreous Enamel Coated
■Quality Approved
■Up to 14 Watts Power
■All Welded Construction
■Overload 10 x 5 Seconds
■Ammo Packed or Reeled
(3-7 Watt)
Type C Series
Tyco has offered the 'C' Series of
Vitreous Enamelled Wirewound
Resistors for more than 25 years and
as a result of continuous development
and investment in the latest production
equipment now supplies a product with
a proven record of reliability and
quality. These economically priced
resistors are capable of dissipating
high power from a relatively small size
in harsh environmental conditions. The
resistors are manufactured from quality
materials for optimum reliability and
stability.
Characteristics -
Electrical
Characteristics -
Environmental
Climatic Category 55/200/56: ∆R Typically less than 1%
Solder Heat 260° for 5 Seconds: ∆R Less than 0.1%
C3A C7 C10 C14
Wattage at 40°C: 4 7 10 14
Ohmic Value (Min): R10 R10 R10 R10
(Max): 10K 27K 47K 100K
Limiting Element Voltage (DC/AC RMS): 200 350 500 650
Resistance Tolerance: 10%, 5%, 2%
(1% by request on a limited value range)
Temperature Coefficient of Resistance (Ohmic Value): Above 1R0 90ppm/°C
Overload Resistance Change (Up to 10x rated wattage for 5 secs): ∆R Less than 1%
Load Life stability at Rated Wattage (Resistance Change): 1000 Hours ∆R Less than 3%
8000 Hours ∆R Less than 5%
Shelf Life Stability (Resistance Change): 2 Years ∆R Less than 0.25%
Power Derating: Derate from 40°C linearly to zero at 350°C
Surface Temperature v Power Dissipation
012345
Watts
C3A C7 C10 C14
0246810
Watts
048121620
Watts
0 5 10 15 20 25
Watts
500
400
300
200
100
0
500
400
300
200
100
0
500
400
300
200
100
0
500
400
300
200
100
0
Surface Temp °C
Dimensions
Packaging
Type Length Diameter Lead Lead Measuring
(L) (D) Diameter (d) Length (l) Distance
C3A 13.0 5.7 0.8 35.0 30.7
C7 22.0 8.5 0.8 35.0 37.7
C10 38.1 8.5 0.8 35.0 52.8
C14 53.3 8.5 0.8 35.0 69.5
How to Order
C3A 680R J T
Common Part
0.1 ohm (100 milliohms)
R10
1.0 ohm (1000 milliohms)
1R0
1K ohm (1000 ohms)
1K0
Resistance Value
G - ±2%
J - ±5%
K - ±10%
Tolerance Pack Style
C3A - 3 Watt
C7 - 7 Watt
C10 - 10 Watt
C14 - 14 Watt
R - Bandoliered Reel
T - Bandoliered
Ammo Pack
L - Loose
(C10 & C14 only)
C10/C14 are packed in cardboard sleeves in multiples of 25.
C3A - Ammo 500 Reeled 1000
C7 - Ammo 250 Reeled 500
