MEGGITT CGS
HIGH VOLTAGE RESISTORS
HIGH VALUE RESISTORS
HIGH POWER RESISTORS
ALUMINIUM CLAD RESISTORS
CURRENT SENSE RESISTORS
SMD Low Ohmic - Current Sense Resistors
TYPE CRL SERIES
Meggitt CGS are pleased to offer this High Power, thick
film chip resistor for current sensing positions. It has a
special metal glaze resistive element and a barrier layer
underneath the solder to prolong terminal life. Following
the developments by semiconductor manufacturers in the
production of a range of IC's for battery charge management
and low voltage power supplies. These resistors satisfy the
demand for a low ohmic shunt resistor to act as a current
sensor. Unique parallel print enables very low values and
high powers for thick film resistors.
MEGGITT CGS
KEY FEATURES
UP TO 1 WATT AT 70°C
VALUES DOWN TO R01
SUPPLIED ON TAPE
IDEAL FOR CURRENT DETECTION
0.5 WATT BY 0805 x 3
1 WATT BY 0805 x 6
ATTRACTIVELY PRICED
MEGGITT
ELECTRONIC
COMPONENTS
SALES ACTION DESK
TEL: (01793 611666)
FAX: (01793 611777)
EMAIL: sales@megelec.co.uk
WEB SITE: www.megelec.co.uk
LOG No FO730/1
ISSUE 3
2 PAGES
03-99
SPECIFICATION
TYPE CRL SERIES
CRL1220
1/4 W
Power Rating
22mΩ - 68mΩ
0.1Ω - 4.7Ω
Resistance Range
±2%, ±5%
±1%
Resistance Tolerance
Temperature Coefficient
0~+350ppm/°C 0~+200ppm/°C
of Resistance
E6
Resistance Values
Max. Rated Operating Temperature
Max. Operating Temperature
Short Time Overload
Load Life
Moisture Life
Temperature Cycle
Resistance to Soldering Heat
*
*
PAGE 2
CRL3720
1/2 W
22mΩ - 68mΩ
0.1Ω
±1%, ±2%
±1%, ±2%
CRL7520
1W
10mΩ - 68mΩ
0.1Ω
±1%, ±2%
±1%, ±2%
0~+350ppm/°C
0~+350ppm/°C
0~+200ppm/°C
E6 *
+70°C
+125°C
±0.5%
±0.5%
±0.5%
±0.5%
±0.5%
0~+200ppm/°C
E6*
For 1/2 W Additional Existing Value: R025, R04, R05, R075
For 1 W Additional Existing Value: R018, R02, R025, R04, R05, R075
POWER DERATING CURVE
70 °C
Rated Load ( % )
100
For resistors operated in ambient temperatures above
70°C, power rating must be derated in accordance with
the curve.
80
60
40
20
125 °C
0
-60 -40 -20 0 20 40 60 80 100 120 140 160 180
-55°C
Ambient Temperature ( °C )
DIMENSIONS
Handling Recommendations
When flow soldering - the land width must be smaller than the chip resistor width to control the solder application.
Generally, the land width can be chip resistor width x 0.7 to 0.8. When reflow soldering - The amount of solder can be adjusted.
Thus the land width can be set to W x 1.0 to 1.3.
CRL1220
CRL3720
CRL7520
(0805)
(0805) x3
(0805) x6
All Dimensions are
Nominal and in mm.
Unless otherwise stated.
Do Not Scale
HOW TO ORDER
CRL
1220
T
COMMON P
ART
PART
SIZE
TEMP
TEMP.. COEFFICIENT
CRL - Standard
See Above
e.g. 1220 1/4W
S = ± 200 ppm/°C
T = ± 350 ppm/°C
R10
RESISTOR V
ALUE
VALUE
0.1 ohm
1 ohm
(100 millI ohm)
(1000 millI ohm)
R10
1R0
J
TD
TOLERANCE
PACKAGING
J ± 5%
G ± 2%
F ± 1%
TD - Taped
5000 on Reel
Meggitt Electronic Components Ltd. Ohmic House, Westmead Industrial Estate, Swindon, Wilts. SN5 7US
Telephone: (01793)487301 (Admin.) (01793) 611666 (Sales) www.megelec.co.uk Citec G Fax:(01793) 610217 or
This
specifically agreed to the contrary
by the Company in writing)
5 publication is issued to provide
1 outline information only and (unless
1
5
1 is not to form part of any order
3
or be regarded as a representation relating to the products or service concerned. We reserve the right to alter without notice the specification, design, price or conditions
of supply of any product or service. Whilst Meggitt Electronic Components products are of the very highest quality and reliability, all electronic components can occasionally
be subject to failure. Where failure of a Meggitt Electronic Components product could result in life threatening consequences, then the circuit and application must be discussed
with the Company. Such areas might include ECG, respiratory. and other medical and nuclear applications and any non fail safe applications circuit.