TM
CURRENT SENSE/LOW OHM
CERAMIC ENCASED TYPE
Flame Proof
High Temperature
Ceramic Case With
Stand-off Legs
Inorganic Fire
Retardant
Encapsultant
SERIES
SPACE SAVER
Slim Type Vertical Mounting
HMVL
Alloy Resistance
Ribbon
!
Especially designed for crowded PCB's
!
Ceramic stand-off's
PHYSICAL CONFIGURATION
W
D
HTR POWER
TYPE RATING
at 70°C
M2L
M4L
LV5L
M7L
LV10L
2.5W
4W
5W
7W
10W
W
+1
11.0
12.0
13.0
12.5
16.0
DIMENSIONS (mm)
H
D
+1
+1
20.5
25.0
25.5
38.0
35.0
7.0
7.0
9.0
9.0
12.0
P
+1
5.0
5.0
5.0
5.0
7.5
RESISTANCE TYPICAL
RANGE
WT. PER
min
max PC [gms]
R004
R004
R005
R006
R006
R063
R063
R09
R10
R10
3.5
4.5
6.0
7.0
14.5
H
φ
0.8
P
4.5+2-1
ELECTRICAL AND ENVIRONMENTAL CHARACTERISTICS / DATA
Test
Resistance tolerance
Performance Requirements
+ 10% [K]; + 5% [J]; +3% [H];
+2% [G]; +1%[F]
Rated Dissipation [%]
Rated ambient temperature at 70°C full power dissipation
[see derating curve]
Temperature co-efficient
+ 80 to + 550 ppm/ °C depending upon
resistance value and power rating
(measured from -55°C to +125°C
referenced to +25°C)
Max
∆R+
2%
Max
∆R+
3% [average]
Max
∆R+
5% [average]
-40°C to +155°C
> 1000 M [minimum]
DERATING CURVE
70°C
100
60
Short time overload
Moisture Resistance
Load life
Ambient operating
temperature range.
Insulation resistance
20
0
20
60
100
140
180
220
260 275
Ambient Temperature [°C]
TM
CURRENT SENSE/LOW OHM
CERAMIC ENCASED TYPE
HMVL
TEMPERATURE RISE AT SOLDER JOINT (AT FULL POWER)
Temperature rise chart
250
200
Temperature rise (°C)
7W/10W
5W
Measuring Point
150
4W
2.5W
100
50
0
20
40
60
80
100
120
Load Factor (%)
TYPICAL APPLICATION
These resistors find wide application in Inverters and Power supplies.
Due to the nature of their construction, they can withstand surges quite efficiently. Please refer to
“Understanding pulse
& over load capability of resistors”.
In case a tailor made pulse resistor is required, please refer
Questionnaire of data
and provide data accordingly.
The HMVL series offers a practical solution to current sensing applications where PCB space is at a premium and low
inductance is required. Please ensure that resistance value is checked using 4½ digit micro ohm meter with 4 wire system
and insulated clips.
For the effective utilisation of these resistors, please refer
"Applications / Design notes for current sense resistors”.
Note : 1)
Type LV10L can be provided with 1.0mm leads if required, please specify at the time of placing of the order.
2)
Due to recent technological advances, the ceramic cases used may be steatite ceramic or corderite ceramic or
high alumina ceramic depending on the nature of the application. Hence the ceramic cases may be off-white or
variations of brown and variations of grey; colours which are inherent to these ceramic materials.
ORDERING INFORMATION
HMVL
M-7L
R068
J
TOLERANCE
RESISTANCE VALUE
HTR TYPE
SERIES
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