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![PHYSICAL CONFIGURATION LOW OHM
POWER
RESISTORS
HRE
e : info@htr-india.com
www.htr-india.com
APPLICATIONS
• Current sensor for power hybrid applications.
• High current applications for automotive market.
• Frequency convertors.
• Power modules.
FEATURES
• 5W constant power possible in R0002.
• Constant current carrying capability upto 160amp (R0002).
• Sturdy copper connectors.
• Maximum solder temperature upto 350°C for 30 seconds.
Rev Date : 16/11/2017
ELECTRICAL AND ENVIRONMENTAL CHARACTERISTICS
PARAMETER / PERFORMANCE TEST & TEST METHOD PERFORMANCE REQUIREMENTS
Power Rating For FeCrAl - Full power dissipation at 70° C and linearly derated to
zero at +170° C.
For Manganin (< 0.5% Improved Stability) -
Full power dissipation at 100° C & linearly derated to zero at +140° C.
For Manganin (< 1% Stability) - Full power dissipation at 130° C and
linearly derated to zero at +170° C.
Inductance < 3nH
ResistanceTolerance ± 1% (0.5% and other tolerance available on request)
Temperature Range - 55° C to +170° C (Suitably derated as per derating curve provided)
Voltage Rating / LimitingVoltage / Max.WorkingVoltage P x R
(Subject to max.TerminalTemperature of 120° C)
LowTemperature Storage and Operation [-65° C for 24 h] ∆R ± 0.1% - Average
Temperature Coefficient of Resistance From 20 ppm / K (Depending on Resistance Value)
(AmbientTemperature Range 20° C - 60° C)
Temperature Cycling -2000 cycles (-55° C to 150° C) ∆R ± 0.5% - Average
LifeTest / Operational Life - 2000 h rated power with ∆R ± 1% - Average
Temperature limitation onTerminal kept at 120° C
Moisture Resistance [MIL-STD-202 method106] ∆R ± 0.1% - Average
Mechanical Shock [100 g. 6 ms half sine] ∆R ± 0.2% -Typical
Vibration, High Frequency [20 g. 10-2000 Hz] ∆R ± 0.2% -Typical
Bias Humidity [+85° C, 85% RH, 1000h] ∆R ± 0.5% -Typical
Size 4026
D1
D2
R0.2
6.9±0.1
+0.0
--0.35.0
2.4±0.1
10.1±0.1
RESISTANCE
MATERIAL
6.7±0.3
0.7 mm (Trimming Area)
2.2
1.6
0.7
1.0
5.0
Sf
Cu
Sf
Cu
10.1±0.1
0.1
2/4
SR HI-TECH WATTAGE WATTAGE D1 (mm) D2 (mm) INTERNAL HEAT TCR TYPICALWT.
NO. PART NAME AT 100° C AT 70° C RESISTANCE (Rthi) (ppm) PER PC (gms)
1 HRE5W* R0002 F 5W 10W 1.20± 0.10 0.40± 0.10 4° K/W <20 1.30
2 HRE5W* R0003 F 5W 9W 0.80± 0.10 0.40± 0.10 5° K/W <20 0.91
3 HRE5W* R0005 F 5W 8W 0.42± 0.10 0.40± 0.10 8° K/W <20 0.45
4 HRE5W* R001 F 5W 7W 1.13± 0.10 0.60± 0.10 9° K/W <50 0.81
5 HRE4W* R0007 F 4W 6W 0.46± 0.10 0.40± 0.10 12° K/W <20 0.33
6 HRE4W* R001 F 4W 6W 0.34± 0.10 0.40± 0.10 14° K/W <50 0.27
7 HRE4W* R002 F 4W 5W 0.57± 0.10 0.40± 0.10 14° K/W <50 0.40
8 HRE3W* R003 F 3W 4W 0.38± 0.10 0.40± 0.10 21° K/W <50 0.27
DIMENSIONAL TABLE](https://image.slidesharecdn.com/htr-india-products-current-sense-resistors-electron-beam-welded-hre-english-171122143508/85/HRE-2-320.jpg)
![LOW OHM
POWER
RESISTORS
HRE
e : info@htr-india.com
www.htr-india.com
Rev Date : 16/11/2017
Size 4026
4/4
TYPICAL POWER DERATING CURVE FOR
RESISTOR WHEN FULL POWER IS AT 100oC & 135oC
TYPICAL POWER DERATING CURVE FOR
RESISTOR WHEN FULL POWER IS AT 70oC
In case the Design Engineer requires a specific graph of a particular component it can be supplied on request.
TYPICAL TEMPERATURE DEPENDANCE ELECTRICAL RESISTANCE
MAXIMUM PULSE ENERGY WITH RESPECT TO PULSE POWER FOR PERMANANT OPERATION
In this graph the max. & min. curve are shown as and for all resistance values, the area between the max. & min. curve is applicable.
In case the Design Engineer requires a specific graph of a particular component it can be supplied on request.
1
0.75
0,5
0.25
0
0 20 40 60 80 100 120 140 160 180
1.25
Terminal Temperature [°C]
P(W)/P
Stability <1.0% (in covered condition)
Stability <0.5%
Nom
Stability <1.0% (in covered condition)
1
0.75
0,5
0.25
0
0 20 40 60 8070 100 120 140 160 180
1.25
Terminal Temperature [°C]
P(W)/PNom
0.8
0.6
0.4
-0.2
0
-0.2
-0.4
-0.6
-0.8
1
-40 -20 0 20 40 60 80 100 120 140
Temperature [°C]
dR/R20 [%]
Typical temperature dependence of a resistor made with Mangnin
Limiting Curve
-1
1.0
0.5
0.0
-0.5
-1.0
-40 -20 0 20 40 60 80 100 120 140 160
Temperature [°C]
dR/R20 [%]
Typical temperature dependence of a resistor made with FeCrAl
Limiting Curve
10000
1000
100
10
1
1
10000 1000
10 100
0.0001
0.001
0.01
0.1
1
10
100
0.1
0.1
0.01
0.01
Pulse width [sec]
Pulseenergy[J]
Power[W]](https://image.slidesharecdn.com/htr-india-products-current-sense-resistors-electron-beam-welded-hre-english-171122143508/85/HRE-4-320.jpg)
HRE
- 1. LOW OHM POWER RESISTORS HRE SERIES Size4026 e : info@htr-india.com www.htr-india.com Rev Date : 16/11/2017 • Open frame electron beam welded punched out type •Power Rating at 100°C - upto 5W •Power Rating at 70°C - upto 10W R0002 to R003 1/4 Asper AEC-Q200
- 2. PHYSICAL CONFIGURATION LOWOHM POWER RESISTORS HRE e : info@htr-india.com www.htr-india.com APPLICATIONS • Current sensor for power hybrid applications. • High current applications for automotive market. • Frequency convertors. • Power modules. FEATURES • 5W constant power possible in R0002. • Constant current carrying capability upto 160amp (R0002). • Sturdy copper connectors. • Maximum solder temperature upto 350°C for 30 seconds. Rev Date : 16/11/2017 ELECTRICAL AND ENVIRONMENTAL CHARACTERISTICS PARAMETER / PERFORMANCE TEST & TEST METHOD PERFORMANCE REQUIREMENTS Power Rating For FeCrAl - Full power dissipation at 70° C and linearly derated to zero at +170° C. For Manganin (< 0.5% Improved Stability) - Full power dissipation at 100° C & linearly derated to zero at +140° C. For Manganin (< 1% Stability) - Full power dissipation at 130° C and linearly derated to zero at +170° C. Inductance < 3nH ResistanceTolerance ± 1% (0.5% and other tolerance available on request) Temperature Range - 55° C to +170° C (Suitably derated as per derating curve provided) Voltage Rating / LimitingVoltage / Max.WorkingVoltage P x R (Subject to max.TerminalTemperature of 120° C) LowTemperature Storage and Operation [-65° C for 24 h] ∆R ± 0.1% - Average Temperature Coefficient of Resistance From 20 ppm / K (Depending on Resistance Value) (AmbientTemperature Range 20° C - 60° C) Temperature Cycling -2000 cycles (-55° C to 150° C) ∆R ± 0.5% - Average LifeTest / Operational Life - 2000 h rated power with ∆R ± 1% - Average Temperature limitation onTerminal kept at 120° C Moisture Resistance [MIL-STD-202 method106] ∆R ± 0.1% - Average Mechanical Shock [100 g. 6 ms half sine] ∆R ± 0.2% -Typical Vibration, High Frequency [20 g. 10-2000 Hz] ∆R ± 0.2% -Typical Bias Humidity [+85° C, 85% RH, 1000h] ∆R ± 0.5% -Typical Size 4026 D1 D2 R0.2 6.9±0.1 +0.0 --0.35.0 2.4±0.1 10.1±0.1 RESISTANCE MATERIAL 6.7±0.3 0.7 mm (Trimming Area) 2.2 1.6 0.7 1.0 5.0 Sf Cu Sf Cu 10.1±0.1 0.1 2/4 SR HI-TECH WATTAGE WATTAGE D1 (mm) D2 (mm) INTERNAL HEAT TCR TYPICALWT. NO. PART NAME AT 100° C AT 70° C RESISTANCE (Rthi) (ppm) PER PC (gms) 1 HRE5W* R0002 F 5W 10W 1.20± 0.10 0.40± 0.10 4° K/W <20 1.30 2 HRE5W* R0003 F 5W 9W 0.80± 0.10 0.40± 0.10 5° K/W <20 0.91 3 HRE5W* R0005 F 5W 8W 0.42± 0.10 0.40± 0.10 8° K/W <20 0.45 4 HRE5W* R001 F 5W 7W 1.13± 0.10 0.60± 0.10 9° K/W <50 0.81 5 HRE4W* R0007 F 4W 6W 0.46± 0.10 0.40± 0.10 12° K/W <20 0.33 6 HRE4W* R001 F 4W 6W 0.34± 0.10 0.40± 0.10 14° K/W <50 0.27 7 HRE4W* R002 F 4W 5W 0.57± 0.10 0.40± 0.10 14° K/W <50 0.40 8 HRE3W* R003 F 3W 4W 0.38± 0.10 0.40± 0.10 21° K/W <50 0.27 DIMENSIONAL TABLE
- 3. RECOMMENDED PCB -LAYOUT PACKING A. BULK Resistors shall be packed in sealed plastic packets with silica gel pouch placed in small cardboard cartons (Type‘I’Box ) of approximate size 70mmx70mmx70mm - 500pcs. & such 4 Boxes packed in (Type ’A’Box ) of approximate size 200mmx150mmx70mm & 8 Boxes in (Type‘B’Box ) of approximate size 295mmx140mmx80mm. & such 36 Boxes of Type ’I’or 6 Boxes of Type‘A’ packed in Master Carton of approximate size 320mmx245mmx245mm. B. TAPE & REEL PACKING Storage Condition (Packed) : Temp 25°C to 35°C, Humidity 30 to 80% RH, Shelf life-12 months Floor Life (Unpacked) : Temp 25°C to 35°C, Humidity 30 to 80% RH, Floor life-15 days SPECIFICATION TAPEWIDTH PARTS PER REEL EIA-481-D 24mm 1400 pcs D1 D1 R0.2 6.9±0.1 +0.0 --0.35.0 2.4±0.1 10.1±0.1 RESISTANCE MATERIAL 6.7±0.3 2.2 1.6 0.7 1.0 5.0 Cu Cu 10.1±0.1 5.5 10.4 0.8 5.6 0.9 7.3 0.8 0.8 V1 I 2I 1 V1 LOW OHM POWER RESISTORS HRE e : info@htr-india.com www.htr-india.com Rev Date : 16/11/2017 Size 4026 3/4 RECOMMENDED SOLDER PROFILE Reflow, IR - Soldering Temperature (°C) 260 255 217 Time (Sec) Peak 40 90 ORDERING INFORMATION SERIES TYPE PACKING RESISTANCE VALUE TOLERANCE HRE HRE4W / HRE4W* Bulk - HRE4W / HRE4W* Tape & Reel - HRE4WTR / HRE4W*TR R002 F MARKING HTR PART NO PRINTING HRE5W* ROOO2 F HTR ROOO2 1% DATECODE
- 4. LOW OHM POWER RESISTORS HRE e :info@htr-india.com www.htr-india.com Rev Date : 16/11/2017 Size 4026 4/4 TYPICAL POWER DERATING CURVE FOR RESISTOR WHEN FULL POWER IS AT 100oC & 135oC TYPICAL POWER DERATING CURVE FOR RESISTOR WHEN FULL POWER IS AT 70oC In case the Design Engineer requires a specific graph of a particular component it can be supplied on request. TYPICAL TEMPERATURE DEPENDANCE ELECTRICAL RESISTANCE MAXIMUM PULSE ENERGY WITH RESPECT TO PULSE POWER FOR PERMANANT OPERATION In this graph the max. & min. curve are shown as and for all resistance values, the area between the max. & min. curve is applicable. In case the Design Engineer requires a specific graph of a particular component it can be supplied on request. 1 0.75 0,5 0.25 0 0 20 40 60 80 100 120 140 160 180 1.25 Terminal Temperature [°C] P(W)/P Stability <1.0% (in covered condition) Stability <0.5% Nom Stability <1.0% (in covered condition) 1 0.75 0,5 0.25 0 0 20 40 60 8070 100 120 140 160 180 1.25 Terminal Temperature [°C] P(W)/PNom 0.8 0.6 0.4 -0.2 0 -0.2 -0.4 -0.6 -0.8 1 -40 -20 0 20 40 60 80 100 120 140 Temperature [°C] dR/R20 [%] Typical temperature dependence of a resistor made with Mangnin Limiting Curve -1 1.0 0.5 0.0 -0.5 -1.0 -40 -20 0 20 40 60 80 100 120 140 160 Temperature [°C] dR/R20 [%] Typical temperature dependence of a resistor made with FeCrAl Limiting Curve 10000 1000 100 10 1 1 10000 1000 10 100 0.0001 0.001 0.01 0.1 1 10 100 0.1 0.1 0.01 0.01 Pulse width [sec] Pulseenergy[J] Power[W]