![PHYSICAL CONFIGURATION
DIMENSIONAL TABLE
LOW OHM
POWER
RESISTORS
OPEN FRAME
WIRE TYPE-
OWSERIES
e : info@htr-india.com
www.htr-india.com
2/3
HtrType Power rating Power rating Current 'I' drawn in Amp Maximum P.C.B. RESISTANCE WEIGHT
AT 25°C AT 70°C when 100mV voltage is Energy HOLE DIAMETER VALUE PER PC
applied (J) (mm) (Ohms) (gms)
OW1.5 1.5W 0.7W 6.67 14 1.3 R015 0.27
OW1.2 1.2W 0.6W 4.54 8.4 1.0 R022 0.19
OW1.2 1.2W 0.6W 3.03 7.3 1.0 R033 0.195
OW1.2 1.2W 0.6W 2.13 5.7 0.80 R047 0.136
OW1 1.0W 0.6W 1.47 3.9 0.80 R068 0.09
OW1 1.0W 0.6W 1.0 2.4 0.80 R10 0.065
OW1 1.0W 0.6W 0.77 2.3 0.80 R13 0.044
OW1 1.0W 0.6W 0.71 2.2 0.80 R14 0.045
OW1 1.0W 0.6W 0.67 2.1 0.80 R15 0.045
OW1 1.0W 0.6W 0.63 2.0 0.80 R16 0.04
0 50 100 150 200
100
90
80
70
60
50
40
30
20
10
0
Temperature Rise
K
Relative Load %
0 20 40 60 80 100 120
100
80
60
40
20
0
AmbientTemperature [oC]
De-Rating Curve% Nom
Load
10 amp V
By the artwork of the print, care should be taken that the conductor can carrythe load.
The curve shows the necessary width as a function of the current. (Cu 35 and T 20oC)
Example :- 10 ampere -› 5.5mm width of 35 Cu
Ч
Ч
APPLICATIONS :
• In switching and linear power supplies, instruments, regulators.
• In modern current sensing circuits.
(All dimensions in MM)
Rev Date : 22/05/2019](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Recommended
Recommended
More Related Content
What's hot
What's hot (20)
Similar to Htr india-products-current-sense-resistors-current-sense-open-frame-resistor-ow-english.pdf
Similar to Htr india-products-current-sense-resistors-current-sense-open-frame-resistor-ow-english.pdf (20)
Recently uploaded
Recently uploaded (20)
Htr india-products-current-sense-resistors-current-sense-open-frame-resistor-ow-english.pdf
- 1. • power rating at - 25° C. - Upto 1.5 w • power rating at - 70° C. - Upto 0.7 w • r015 to r16 • Customer Specified versions are possible on request LOW OHM POWER RESISTORS OPEN FRAME WIRE TYPE OW SERIES e : info@htr-india.com www.htr-india.com 1/3 rev Date : 22/05/2019 AEC-Q200Qualified
- 2. PHYSICAL CONFIGURATION DIMENSIONAL TABLE LOW OHM POWER RESISTORS OPEN FRAME WIRE TYPE- OWSERIES e : info@htr-india.com www.htr-india.com 2/3 HtrType Power rating Power rating Current 'I' drawn in Amp Maximum P.C.B. RESISTANCE WEIGHT AT 25°C AT 70°C when 100mV voltage is Energy HOLE DIAMETER VALUE PER PC applied (J) (mm) (Ohms) (gms) OW1.5 1.5W 0.7W 6.67 14 1.3 R015 0.27 OW1.2 1.2W 0.6W 4.54 8.4 1.0 R022 0.19 OW1.2 1.2W 0.6W 3.03 7.3 1.0 R033 0.195 OW1.2 1.2W 0.6W 2.13 5.7 0.80 R047 0.136 OW1 1.0W 0.6W 1.47 3.9 0.80 R068 0.09 OW1 1.0W 0.6W 1.0 2.4 0.80 R10 0.065 OW1 1.0W 0.6W 0.77 2.3 0.80 R13 0.044 OW1 1.0W 0.6W 0.71 2.2 0.80 R14 0.045 OW1 1.0W 0.6W 0.67 2.1 0.80 R15 0.045 OW1 1.0W 0.6W 0.63 2.0 0.80 R16 0.04 0 50 100 150 200 100 90 80 70 60 50 40 30 20 10 0 Temperature Rise K Relative Load % 0 20 40 60 80 100 120 100 80 60 40 20 0 AmbientTemperature [oC] De-Rating Curve% Nom Load 10 amp V By the artwork of the print, care should be taken that the conductor can carrythe load. The curve shows the necessary width as a function of the current. (Cu 35 and T 20oC) Example :- 10 ampere -› 5.5mm width of 35 Cu Ч Ч APPLICATIONS : • In switching and linear power supplies, instruments, regulators. • In modern current sensing circuits. (All dimensions in MM) Rev Date : 22/05/2019
- 3. e : info@htr-india.com PACKAGING 1000 Resistors shall be packed in small box " I Type" of approximate size 70mm x 70mm x 70mm & such 8 Boxes of "I Type" will be packed in Master Carton of approx size 310mm x 205mm x 95mm 3/3 ordering information SERIES TYPE PACKING RESISTANCE VALUE TOLERANCE OW OW1.2 / OW1.2* Bulk - OW1.2 / OW1.2* R033 J Storage Condition (Packed) : Temp 25°C to 35°C, Humidity 30 to 80% RH, Shelf life- 6 months Floor Life (Unpacked) : Temp 25°C to 35°C, Humidity 30 to 80% RH, Floor life-15 days Resistance Material Data : CuNi23Mn, CuNi44 For RoHs version - OW1.2 LOW OHM POWER RESISTORS OPEN FRAME WIRE TYPE- OWSERIES www.htr-india.com ELECTRICAL AND ENVIRONMENTAL CHARACTERISTICS PARAMETER / PERFORMANCE TEST & TEST METHOD PERFORMANCE REQUIREMENTS Power Rating Full power dissipation at 70° C & linearly derated to zero at 110° C. Insulation Not insulated ResistanceTolerance Available (Can be achieved when soldering in a plated through hole circuit board ) ± 10% (K); ± 5% (J) Temperature Range - 55° C to +110° C with suitable derating as per derating curve above Voltage Rating / LimitingVoltage / Max.WorkingVoltage P x R ShortTime Overload (5 x Rated power for 5 secs) ∆R ± (0.75% + R0005) - Average ∆R ± (1.25% + R0005) - For resistance values near maximum range Temperature Co-efficient of Resistance ± 400 ppm/° C & Below- (Depend on Resistance wire used) (Measured from -55° C to + 125° C referenced to +30°C) OperatingTemperature -65° C to 110° C (Suitably derated) Rev Date : 22/05/2019