Vszerda
Vszerda LM4040 Precision Voltage Reference Module 2.048V 4.096V passive component
$17.99
0.00021554BTC
In stock
Unique-Bargains
Unique-Bargains 10 Pcs Metal Oxide Film Resistor 2 Ohm 5W 5% Axial
Ten 2 Ω 5 W metal-oxide film resistors with 5 % tolerance, 500 V working voltage and axial leads for power circuits
- Features2 ohm resistor color code 4 band;5 watt metal oxide film res
- Handles up to 5 W continuous power dissipation
- Withstands 1500 V pulse voltage for surge protection
- Operates from -55 °C to 155 °C for wide temperature range
- 5 % tolerance ensures consistent resistance value
- Axial leads suit through-hole PCB assembly
Metal oxide film resistor kit
This pack contains ten axial metal oxide film resistors rated at 2 ohm with a 5 watt power rating. The 5% tolerance parts are suited for DIY electronic projects and experiments where higher pulse handling is needed. Metal oxide construction provides better surge and temperature performance than carbon or metal film types. The axial lead form factor fits standard through-hole prototyping boards.
Upgrade from carbon or metal film resistors
These resistors replace lower-rated carbon or metal film parts when circuits demand higher power dissipation, voltage withstand, or surge capability. The jump is worth it for designs that encounter transient spikes or sustained loads near the 5 watt rating. They also serve as direct replacements in series or parallel power-load arrangements where standard film resistors may drift or fail. The flame-proof coating adds a safety margin in fault conditions.
Limits of axial through-hole format
The axial lead spacing and body dimensions (24.5 mm by 8.0 mm) require adequate board clearance and hole spacing for mounting. Maximum working voltage is 500 V with a 1000 V overload rating and 1500 V pulse rating, so circuits exceeding these levels need alternative construction. Dielectric withstanding voltage is 700 V, limiting isolation applications. Operating temperature range extends to the stated extremes, but thermal management depends on PCB copper area and airflow not defined by the component alone.
Highlights
- Handles up to 5 W continuous power dissipation
- Withstands 1500 V pulse voltage for surge protection
- Operates from -55 °C to 155 °C for wide temperature range
- 5 % tolerance ensures consistent resistance value
- Axial leads suit through-hole PCB assembly
Specifications
| Brand | Unique Bargains |
|---|---|
| Features | 2 ohm resistor color code 4 band;5 watt metal oxide film resistors assortment kit set;in series parallel circuit power load;axial lead metal oxide film resistor;DIY lab resistor |
Questions about this item
What board hole spacing fits the 24.5 mm body and 0.7 mm leads of these 5 W resistors?
The body measures 24.5 mm long by 8.0 mm diameter with 0.7 mm diameter leads, so drill holes on 24.5 mm centres that accept 0.7 mm wire.
How do you solder the 31 mm axial leads without overheating the 24.5 mm body?
Apply heat to the lead and pad together for only a few seconds; the short 31 mm lead length leaves little margin, so remove the iron as soon as the joint wets.
When should the 2 Ω 5 % resistors be replaced in a high-temperature circuit?
They are rated for an operating range up to 55155; if the body discolours, the resistance drifts beyond 5 %, or the circuit sees repeated 1500 V pulses, replace them.
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