WHAR75FET Ohmite, WHAR75FET Datasheet
WHAR75FET
Manufacturer Part Number
WHAR75FET
Description
RES .75 OHM 1/2W 1% WW AXIAL
Manufacturer
Ohmite
Series
WHr
Type
Wirewound Resistor, Axial Leadr
Datasheet
1.WHCR50FET.pdf
(1 pages)
Specifications of WHAR75FET
Resistance (ohms)
0.75
Power (watts)
0.5W, 1/2W
Composition
Wirewound
Temperature Coefficient
±20ppm/°C
Tolerance
±1%
Size / Dimension
0.100" Dia x 0.200" L (2.54mm x 5.08mm)
Lead Style
Through Hole
Package / Case
Axial
Resistance In Ohms
0.75
Case
Axial
Resistance
0.75 Ohms
Power Rating
0.5 Watt (1/2 Watt)
Termination Style
Axial
Operating Temperature Range
- 55 C to + 150 C
Dimensions
2.54 mm Dia. x 5.08 mm L
Product
Power Resistors Wire Wound Molded
Dielectric Strength
500 Volts
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Height
-
Lead Free Status / Rohs Status
Details
Other names
WHAR75FETR
WHAR75FT
WHAR75FTR
WHAR75FTR
WHAR75FT
WHAR75FTR
WHAR75FTR
F E A T U R E S
• WHM, UltraHigh ohmic value
• WNM, Aryton Perry winding Non-
• Designed to meet the most strin-
• Miniaturized Better power to
• Use of the highest quality stan-
• Manufacturing process -Wire
• Encapsulated by epoxy molding
• Advanced IC encapsulation
Ohmite Mfg. Co.
precision series,
Inductive available.
Inductance <1nH at 1MHZ test,
gent MIL-R-26F, MIL-STD-202
standard requirements
dimension ratios
dard (96% Alumina) ceramic
core
winding/ Spot Welding- by
Computer Numerical Control
(CNC) machine tools to ensure
consistency of product quality.
compound
mold/die technologies
�
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K E Y T O F I V E - B A N D C O D E
Band
Color
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Grey
White
Gold
Silver
� � � � � � � � � �
Series
1600 Golf Rd., Rolling Meadows, IL 60008 • 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
H = Inductive
N = Non Inductive
O R D E R I N G I N F O R M A T I O N
Power
A = 0.5
B = 1
C = 2
1
0
1
2
3
4
5
6
7
8
9
Digit
2
0
1
2
3
4
5
6
7
8
9
Ohms
3
0
1
2
3
4
5
6
7
8
9
Tolerance
F = 1%
J = 5%
x
x
x
x
x
x 100KΩ
x
x 10MΩ
x
x 0.01Ω
Multiplier
RoHS compliant
S P E C I F I C A T I O N S
Material
Ceramic Core: CeramTec
End Caps: Stainless steel, preci-
Leads: Copper wire,100% Sn
ISAOHM alloy resistance wire
Encapsulation: SUMICON 1100/
Electrical
Standard Tolerance: F (1.0%),
Temperature Coefficient
Maximum Working Voltage:
Derating: Linearly from
Operating Temp: -55°C to
10KΩ
Rubalit
sion formed
(lead free) coated
TC+/-20ppm/°C
1200 Epoxy molding compound
for IC encapsulation
J (5.0%)
(ppm/°C):
±90 for 0.100Ω
±20 for >0.100Ω
(PxR)1/2
100% @ +70°C to
+150°C
4
100Ω
1MΩ
0.1Ω
1KΩ
10Ω
1Ω
0% @ +150°C.
Package
T = Tape
blank = 25pc Pack
®
96% alumina
±
±
± 0.5% (D)
± 0.25% (C)
± 0.10% (B)
± 0.05%
±
±
Tolerance
10% (K)
1% (F)
2% (G)
5% (J)
5
P E R F O R M A N C E C H A R A C T E R I S T I C S
Test
Thermal Shock
Short-time Overload 5 times rated wattage for 5 seconds
Solderability
Terminal Strength
Dielectric
Withstanding Voltage
High Temperature
Exposure
Moisture Resistance MIL-STD-202 Method 106, 7b not applicable ±0.2%
Low Temperature
Storage
Vibration, High
Frequency
Load Life
Wattage:
Series:
Ohms
0.1
0.25
0.50
0.75
1
2
4
5
10
15
25
51
75
100
150
200
250
330
470
560
750
1K
2.5K
Type
WHA
WNA
WHB
WNB
WHC
WNC
S T A N D A R D P A R T N U M B E R S F O R W H / W N S E R I E S
WHAR10FE
WHAR25FE
WHAR50FE
WHAR75FE
WHA1R0FE
WHA2R0FE
WHA4R0FE
WHA5R0FE
WHA10RFE
WHA15RFE
WHA25RFE
WHA51RFE
WHA75RFE
WHA1K0FE
WHA100FE
WHA150FE
WHA200FE
WHA250FE
WHA330FE
WHA470FE
WHA560FE
WHA750FE
(watts)
Rating
Power
WHA
0.5
0.984 / 25
0.5
1
2
Check product availability at
0.100 - 1.0K
0.100 - 4.0K
0.100 - 1.0K
0.100 - 250
Resistance
0.10 - 8.0K
0.10 - 2.0K
WNAR10FE
WNAR25FE
WNAR50FE
WNAR75FE
WNA1R0FE
WNA2R0FE
WNA4R0FE
WNA5R0FE
WNA10RFE
WNA15RFE
WNA25RFE
WNA51RFE
WNA75RFE
WNA100FE
WNA150FE
WNA200FE
WNA250FE
Conditions of Test
Rated power applied until thermal stability,
-55°C +0°C,-5°C,15min.
Method 208 of MIL-STD-202
Pull test:10 pounds, 5 to10 seconds, Twist
test: 1080°,5 second/rotation
500Volts rms for 1W, 2W 1000Volts rms.
1 minute
Exposed to an ambient temperature of 275
+5/-0°C for 250 ±8 hours,
Cold chamber at a temperature of -65 ±2°C
for 24+/-4 hours
Frequency varied 10 to 2000Hz, 200G peak,
2 directions 6 hours each
1000/2000 hours at rated power, +25°C, 1.5
hours “On”, 0.5 hours “Off”
Range
WNA
0.5
(Ω)
WH/WN Series
Miniature Molded Wirewound
WHBR10FE
WHBR25FE
WHBR50FE
WHBR75FE
WHB1R0FE
WHB2R0FE
WHB4R0FE
WHB5R0FE
WHB10RFE
WHB15RFE
WHB25RFE
WHB51RFE
WHB75RFE
WHB100FE
WHB150FE
WHB200FE
WHB250FE
WHB330FE
WHB470FE
WHB560FE
WHB750FE
WHB1K0FE
WHB2K5FE
�
WHB
5.08 / 0.200
7.00 / 0.276
11.4 / 0.450
1.0
(mm/in)
Dim. L
L
www.ohmite.com
�
WNBR10FE
WNBR25FE
WNBR50FE
WNBR75FE
WNB1R0FE
WNB2R0FE
WNB4R0FE
WNB5R0FE
WNB10RFE
WNB15RFE
WNB25RFE
WNB51RFE
WNB75RFE
WNB100FE
WNB150FE
WNB200FE
WNB250FE
WNB330FE
WNB470FE
WNB560FE
WNB750FE
WNB1K0FE
WNB
1.0
2.54 / 0.100
3.00 / 0.120
6.86 / 0.270
(mm/in)
Dim. D
WHCR10FE
WHCR25FE
WHCR50FE
WHCR75FE
WHC1R0FE
WHC2R0FE
WHC4R0FE
WHC5R0FE
WHC10RFE
WHC15RFE
WHC25RFE
WHC51RFE
WHC75RFE
WHC100FE
WHC150FE
WHC200FE
WHC250FE
WHC330FE
WHC470FE
WHC560FE
WHC750FE
WHC1K0FE
WHC2K5FE
D
WHC
2.0
0.60 / 0.024
0.60 / 0.024
0.80 / 0.031
Performance
±0.2%
±0.2%
±0.2%
±0.1%
±0.1%
±0.5%
±0.2%
±0.1%
±0.5%
(mm/in)
Dim. d
d
WNCR10FE
WNCR25FE
WNCR50FE
WNCR75FE
WNC1R0FE
WNC2R0FE
WNC4R0FE
WNC5R0FE
WNC10RFE
WNC15RFE
WNC25RFE
WNC51RFE
WNC75RFE
WNC100FE
WNC150FE
WNC200FE
WNC250FE
WNC330FE
WNC470FE
WNC560FE
WNC750FE
WNC1K0FE
WNC
2.0
15