![HTR TYPE POWER ResistanCE Typicalwt.
RATING L1 (max) L2±2 L3±2 RANGE PER PC (Gms)
HFO 30W* 30W* 67.0 47.0 32.0 R 10 to 5 K 20
HFO 40W* 40W* 85.0 67.0 51.0 R 10 to 8 K 33
HFO 80W* 80W* 125.0 107.0 90.0 R 10 to 18 K 50
HFO 100W* 100W* 155.0 137.0 120.0 R 10 to 27 K 62
HFO 125W* 125W* 188.0 170.0 153.0 R 10 to 33 K 75
HFO 200W* 200W* 236.0 200.0 200.0 R 10 to 40 K 100
PHYSICAL CONFIGURATION
DERATING CURVE
e : info@htr-india.com
WIRE WOUND
RESISTORS
SILICONE/
COATED TYPE
HFO
www.htr-india.com
100
80
60
40
20
0 25 50 70 100 150 175 200 225 250 275 300 325 350
Ambient Temperature [o
C]
RatedDissipation[%]
DIMENSIONS (mm)
Notes : 1. For non-inductive resistors, please prefix 'N' before the HTR type eg. NHFO
2. For impulse type, please suffix HTR type with 'I' eg. HFOI
5.5
9
3
L1
L2
L3 15
+1
-015
+1
-0
30 (max)
10 to 11.5 mm
35 (max)
Rev Date : 10/12/2020](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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Htr india-products-wire-wound-resistors-silicone-coated-resistors-hfo-english
- 1. e : info@htr-india.com www.htr-india.com WIRE WOUND RESISTORS SILICONE/cement COATED TYPE HFO SERIES PRECISION POWER • 40 W to 125 W • R 10 to 33 K Rev Date : 10/12/2020 AEC-Q200Qualified
- 2. HTR TYPE POWER ResistanCE Typicalwt. RATING L1 (max) L2±2 L3±2 RANGE PER PC (Gms) HFO 30W* 30W* 67.0 47.0 32.0 R 10 to 5 K 20 HFO 40W* 40W* 85.0 67.0 51.0 R 10 to 8 K 33 HFO 80W* 80W* 125.0 107.0 90.0 R 10 to 18 K 50 HFO 100W* 100W* 155.0 137.0 120.0 R 10 to 27 K 62 HFO 125W* 125W* 188.0 170.0 153.0 R 10 to 33 K 75 HFO 200W* 200W* 236.0 200.0 200.0 R 10 to 40 K 100 PHYSICAL CONFIGURATION DERATING CURVE e : info@htr-india.com WIRE WOUND RESISTORS SILICONE/ COATED TYPE HFO www.htr-india.com 100 80 60 40 20 0 25 50 70 100 150 175 200 225 250 275 300 325 350 Ambient Temperature [o C] RatedDissipation[%] DIMENSIONS (mm) Notes : 1. For non-inductive resistors, please prefix 'N' before the HTR type eg. NHFO 2. For impulse type, please suffix HTR type with 'I' eg. HFOI 5.5 9 3 L1 L2 L3 15 +1 -015 +1 -0 30 (max) 10 to 11.5 mm 35 (max) Rev Date : 10/12/2020
- 3. PRINTING / MARKING : HTR logo, type, value, tolerance & date code flammability : The resistor coating shall not emit fire / flame which even if it occurs will self extinguish within seconds. PACKING : 1. For inductance details in non inductive types, please indicate resistance value required. 2. For pulse types please indicate derated pulse requirements. WIRE WOUND RESISTORS SILICONE/ COATED TYPE HFO www.htr-india.com TYPE / VALUE / TOL. QUANTITY SMALL BOX TYPE SMALL BOX SIZE PACKING TYPE HFO 40W* / NHFO 40W* 30 pcs. 'A' type 200mm X 150mm X 70mm Bulk Packing HFO 80W* / NHFO 80W* 25 pcs. 'A' type 200mm X 150mm X 70mm Bulk Packing HFO 100W* / NHFO 100W* 20 pcs. 'b' type 295mm X 140mm X 80mm Bulk Packing HFO 125W* / NHFO 125W* 20 pcs. 'b' type 295mm X 140mm X 80mm Bulk Packing e : info@htr-india.com Rev Date : 10/12/2020 Power Rating Full power dissipation at upto 70°C and linearly derated down (Rated Ambient Temperature) to zero at 350°C. [See Derating Curve above] Temperature Range - 40° C to + 250° C (with suitable de-rating as per curve shown) ResistanceTolerance Available ± 10% (K) / ± 5% (J) Voltage Rating / LimitingVoltage / Max.WorkingVoltage P x R Insulation Resistance (Test Method No. 302 of MIL 202F) ≥1000 MΩ ShortTime Overload (10 X Rated power for 5 sec.) Max. ∆R ± (2% + R05) Temperature Co-efficient of Resistance (Typical) ± 200 PPM / °C Damp Heat (Steady State) / Humidity ∆R ± (3% + R05) (70° C at 95% R.H. for 250 hours ) Solvent Resistance (IPA for 60 secs. ± 10 secs.) No effect on coating / marking ELECTRICAL SPECIFICATION PARAMETER REQUIREMENTS