HTR-India-Products-Wire-Wound-Resistors-Silicone-Coated-Resistors-HIR-English-html.html

HTR

TYPE

POWER

RATING

at 70°C

±3

±2

±1

±0.35

[+2/-0]

DIMENSIONS (mm)

RESISTANCE

RANGE

min

max

R-10A

10W

27.0

15.0

7.7

4.75

1.4

6.35

101/301

R22

1K0

9.0

R-10B

10W

27.0

15.0

7.7

5.0

3.0

8.5

101/301

R22

1K0

9.2

R-15A

15W

40.0

15.0

7.7

4.75

1.4

6.35

101/301

R27

3K0

12.5

R-15B

15W

40.0

15.0

7.7

5.0

3.0

8.5

101/301

R27

3K0

12.8

R-20A

20W

60.0

15.0

7.7

4.75

1.4

6.35

101/301

R50

5K0

20.0

R-20B

20W

60.0

15.0

7.7

5.0

3.0

8.5

101/301

R50

5K0

20.5

R-25A

25W

75.0

15.0

7.7

4.75

1.4

6.35

101/301

R50

10K

21.0

R-25B

25W

75.0

15.0

7.7

5.0

3.0

8.5

101/301

R50

10K

21.5

R-40A

40W

75.0

26.0

14.3

4.75

1.4

6.35

102/303

1R0

15K

60.0

R-40B

40W

75.0

26.0

14.3

5.0

3.0

8.5

102/303

1R0

15K

61.0

R-50A

50W

100.0

26.0

14.3

4.75

1.4

6.35

102/303

1R6

20K

75.0

R-50B

50W

100.0

26.0

14.3

5.0

3.0

8.5

102/303

1R6

20K

76.0

R-60A

60W

115.0

26.0

14.3

6.35

1.65

8.5

102/303

2R2

25K

90.0

R-60B

60W

115.0

26.0

14.3

8.0

4.3

11.0

102/303

2R2

25K

92.0

R-80A

80W

130.0

26.0

14.3

6.35

1.65

8.5

102/303

2R2

35K

96.0

R-80B

80W

130.0

26.0

14.3

8.0

4.3

11.0

102/303

2R2

35K

97.0

R-100A

100W

150.0

33.2

19.1

6.35

1.65

8.5

103/303

3R0

40K

180.0

R-100B

100W

150.0

33.2

19.1

8.0

4.3

11.0

103/303

3R0

40K

182.0

R-125A

125W

165.0

33.2

19.1

6.35

1.65

8.5

103/303

3R0

47K

183.0

R-125B

125W

165.0

33.2

19.1

8.0

4.3

11.0

103/303

3R0

47K

185.0

R-150A

150W

200.0

33.2

19.1

6.35

1.65

8.5

103/303

3R3

56K

205.0

R-150B

150W

200.0

33.2

19.1

8.0

4.3

11.0

103/303

3R3

56K

207.0

R-200A

200W

250.0

33.2

19.1

6.35

1.65

8.5

103/303

4R7

68K

293.0

R-200B

200W

250.0

33.2

19.1

8.0

4.3

11.0

103/303

4R7

68K

296.0

R-300A

300W

250.0

45.0

24.0

6.35

1.65

8.5

104/304

5R6

75K

525.0

R-300B

300W

250.0

45.0

24.0

8.0

4.3

11.0

104/304

5R6

75K

528.0

R-400A

400W

330.0

45.0

24.0

6.35

1.65

8.5

104/304

10R

100K

760.0

R-400B

400W

330.0

45.0

24.0

8.0

4.3

11.0

104/304

10R

100K

765.0

R-500A

500W

300.0

55.0

27.0

6.35

1.65

8.5

104/304

10R

100K

1150.0

R-500B

500W

300.0

55.0

27.0

8.0

4.3

11.0

104/304

10R

100K

1155.0

INDICATIVE

WEIGHT

PER PC

(gms)

MOUNTING

HARDWARE

AVAILABLE

D-Dimensions given are indicative and could exceed tolerance given depending on resistance value being wound.

* Resistor types suffixed with ‘A’ are compatible with Amp F 187 connectors or Amp 250 connectors.

∅

±0.3

WIRE WOUND

RESISTORS

SILICONE

COATED

TYPE

HIR

PHYSICAL CONFIGURATION

MOUNTING SPECIFICATIONS

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www.htr-india.com

ELECTRICAL AND ENVIRONMENTAL CHARACTERISTICS

PARAMETER/PERFORMANCE TEST/TEST METHOD

PERFORMANCE REQUIREMENTS

BRACKET

TYPE

1.0mm

2mm

MOUNTING SLOT

0.5mm

2mm

101

12.0

22.0

25.0

5.5 X 8.5

19.0

35.0

102

20.0

25.0

33.0

5.5 X 11.0

20.0

46.0

103

32.0

30.0

37.0

7.0 X 11.0

22.0

54.0

104

48.0

32.0

57.0

7.0 X 11.0

23.0

82.0

BRACKET

TYPE

X (APPROXIMATE)

(mm)

301

12.0

303

15.0

304

16.0

WIRE WOUND

RESISTORS

SILICONE

COATED

TYPE

HIR

Power Rating

(Rated Ambient Temperature)

Full power dissipation at 70°C and linearly derated

to zero at 350°C (Refer derating curve above)

Resistance Tolerances Available

±10% [K]; ±5% [J]; ±3% [H]; ±2%[G]; ±1% [F]

Temperature Range

-55°C to +350°C with suitable derating as per derating curve above

Voltage Rating / Limiting Voltage / Max. Working Voltage V = P x R
Maximum Overload Voltage

Varies depending on resistance value, duration of overload and

type of pulse waveform (Contact Factory for details)

Voltage Proof / Dielectric Withstanding Voltage

∆

R ± (1% + R05)

(Based on limiting voltage x 2 or 500V whichever is

applicable for 60 secs)
Short Time Overload (10 x Rated power for 5 secs)

∆R ± [2% + R05]

Temperature Co-efficient of Resistance

<R10 ± 120 ppm/°C ; <1R0 ± 80 ppm/°C ; <100R ± 60 ppm/°C ;

>100R ± 90 ppm/°C or 30 ppm/°C (depending on wire selected)

Insulation Resistance (Test Method no. 302 of MIL 202F)

> 1000M (Dry) >100M (Wet)

Thermal Shock (Limiting voltage applied until

∆R ± [2% + R05]

temperature stabilizes and then placed in cold

chamber -55°C for 15 minutes)
Damp Heat (Steady State) / Humidity

∆R ± [3% + R05]

(70°C at 95% R.H for 250 hours)
Low Temperature Storage (-55°C for 1 day)

∆R ± [≤2% + R05]

Extreme Heat Storage (225 hours at +350°C)

∆R ± [≤2% + R05]

Endurance - Load Life [70°C with limiting voltage -

∆R ± [≤3% + R05]

1.5 hours on / 0.5 hours off for 1000 hours]
Solvent Resistance [IPA for 60 secs ± 10 secs]

No effect on coating / marking.

Notes :

1. Resistance values below and above the shown resistance range are possible on request.

2. Non-inductive types in this series are possible.

3. Dimensions given are to be used as a guide only, they can be varied to a certain extent due to technical reasons. For example,

larger terminals may be used for very low values.

4. Pulse / Surge resistors are available in this series.

TYPICAL APPLICATIONS

1. Grid resistor

2. Voltage dropping resistor

3. Bias supply resistor

4. High voltage bleeder resistor in power supplies

5. Voltage divider networks

6. Filament dropping resistor

7. Load resistor.

1. RoHS version - R20A *

2. For Pulse Type - R20A I

3. For Non-inductive Type - N R20A

ORDERING INFORMATION

Series

HTR Type

Packing

Resistance Value

Tolerance

Type of Mounting Hardware

HIR

R20A/R20A*

Bulk R20A/R20A*

100R

101 / 301

e : info@htr-india.com