MCM Electronics

Wire Wound Resistor 3W 5% 1 Ohm By Welwyn (W21 1R JI) MCM Part #287-4036

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Specifications Top

3W Vitreous Enamelled Wirewound Resistors offer a high power dissipation for their size. They are highly stable and reliable making them suitable for harsh environments, while their overload characteristics make them ideal for protection circuits.

Specifications:
Power Rating at 25°C 3.0 W
Power Rating at 70°C 2.5 W
Resistance Tolerance 5%
Temperature Coefficient ±75ppm/ °C
Limiting Element Voltage 100V
Operating Temperature Range -55 to +350°C
Body Dimensions (L x Ø) 12.7mm x 5.6mm
Lead Dimensions (L x Ø) 30mm x 0.88mm

287-4020 0.1 Ohm
287-4024 0.15 Ohm
287-4022 0.2 Ohm
287-4026 0.22 Ohm
287-4028 0.33 Ohm
287-4030 0.47 Ohm
287-4032 0.5 Ohm
287-4034 0.68 Ohm
287-4036 1 Ohm
287-4038 1.5 Ohm
287-4040 2 Ohm
287-4042 2.2 Ohm
287-4044 2.7 Ohm
287-4046 3 Ohm
287-4048 3.3 Ohm
287-4050 3.9 Ohm
287-4052 4.7 Ohm
287-4054 5 Ohm
287-4056 6.8 Ohm
287-4058 8.2 Ohm
287-4060 10 Ohm
287-4062 12 Ohm
287-4064 15 Ohm
287-4066 22 Ohm
287-4068 24 Ohm
287-4070 27 Ohm
287-4072 33 Ohm
287-4074 39 Ohm
287-4076 47 Ohm
287-4078 50 Ohm
287-4080 56 Ohm
287-4082 62 Ohm
287-4084 68 Ohm
287-4086 75 Ohm
287-4088 82 Ohm
287-4090 100 Ohm
287-4092 120 Ohm
287-4094 150 Ohm
287-4096 180 Ohm
287-4098 200 Ohm
287-4100 220 Ohm
287-4102 270 Ohm
287-4104 300 Ohm
287-4106 330 Ohm
287-4108 390 Ohm
287-4110 470 Ohm
287-4112 500 Ohm
287-4114 510 Ohm
287-4116 560 Ohm
287-4118 680 Ohm
287-4120 750 Ohm
287-4122 820 Ohm
287-4124 1 kOhm
287-4126 1.2 kOhm
287-4128 1.5 kOhm
287-4130 2 kOhm
287-4132 2.2 kOhm
287-4134 2.7 kOhm
287-4136 3.3 kOhm
287-4138 3.9 kOhm
287-4140 4.7 kOhm
287-4142 6.8 kOhm
287-4144 8.2 kOhm
287-4146 10 kOhm
Part Numbers
MCM Part #:287-4036
Welwyn Part #:W21 1R JI
Package Specifications & Dimensions
Weight:0.1 lbs.
Hazardous:No
Warranty:90 days
Need to Return?
Length:3.15 in.
Width:0.31 in.
Height:0.31 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No

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