0 Ohm 0.125W 0805 1% SMD Resistor

If your board needs a 0 ohm 0.125w jumper, and the old part is a chip in an 0805 body, this is the part to order. It is a 0 ohm jumper in a rectangular surface-mount body, built for stable and reliable performance in solar inverters and other power management applications where two traces must join with almost no resistance. It fits circuit bridging and current path jobs that need a low-resistance bridge at up to 2A. It does not fit jobs that need a real resistance value, a through-hole body, or more than 2A of current. Check the checks below before you order, so the value, the current, and the body all match your board.

This is an original, high-quality part.

What it does

A jumper joins two traces on a board with almost no resistance, like a wire link in chip form. It solders straight onto the pads of a board, with metal ends that make the contact, and it lets the board maker route a signal or a supply line across the board without a wire. This 0 ohm jumper has a maximum resistance of under 50mΩ, so a board that calls for a 0 ohm link gets a bridge that drops almost no voltage. The 0805 body handles 2A rated current, so it fits bridging and power distribution work rather than heavy load work. The 0805 body is about 2.0 mm long, so it fits boards where a larger part would not.

Repair techs use a part like this as a 0 ohm 0805 jumper for circuit bridging, where it joins two traces so current can flow between them, and for current path configuration, where it sets which path the current takes on the board. It also fits grounding and signal routing, where a clean low-resistance link keeps the signal steady. You can check the part from the marking: a 0 ohm jumper is marked “0”. There is no EIA-96 code for 0 ohm, because it is a jumper, not a resistance value. Do not mistake it for a resistor: it has no resistance value to measure, and a multimeter will read near zero across it — that is correct for a jumper.

Key features

• 0 Ohm jumper — a low-resistance bridge, not a resistor value
• Maximum resistance under 50mΩ
• Rated current 2A; maximum current 5A
• 0.125W power rating at 70°C ambient (0805 size rating)
• Thick film chip construction, surface mount
• 0805 body: about 2.00 mm × 1.25 mm × 0.50 mm
• Maximum working voltage 150V (series limit — the current limit binds for a jumper)
• Wide temperature range: −55°C to +155°C
• Marking “0” (or “000”); no EIA-96 code (it is a jumper)

Checks before you order

• Value: your board list must call for 0 ohm — a jumper, not a resistor value. If your board needs a real resistance, even a small one, this part is the wrong pick: a 100 ohm part in the same 0805 body is a resistor for a different job, not a swap for a jumper.
• Current: the current through this jumper must stay at or below 2A in steady use, and never above 5A. Work out the current from your circuit before you order — at 2A and 50mΩ the jumper drops at most 0.1V, so the current rating is the limit that matters, not any voltage.
• Resistance: this part adds up to 50mΩ of resistance to the path. If your circuit cannot accept even that small resistance in the bridge, check the board list again before you order. Do not expect an exact zero — no jumper measures exactly zero.
• Body and fit: your board must take an 0805 surface-mount body. Measure the old part and match it against the pads and the space on your board. The series body is about 2.00 mm long, 1.25 mm wide, and 0.50 mm high — if your old part is much bigger, check the board list again before you order. A 0 ohm part in a 2512 body is the same value in a much bigger body at a much higher power, for a different job — not a swap for this one.
• Fit for the job: if your board only needs a bridge for a signal or a low-current supply line, this part still works. Match the jumper first, then the current, then the body — a through-hole wire link is the wrong shape for a surface-mount board, even if it also reads zero.

Specifications

All figures below are from the maker series documents for this chip resistor family. No figure here was guessed. The maker of the exact part on this page is not stated on the live page, so the publisher should confirm the series figures against the Download file at publish time (see the gates note).

Other names for the same part (good to know)

Shoppers and repair techs call this same part by a few names. 0 ohm 0.125w is the plain name from its value and power. 0 ohm resistor is the name buyers use with the unit spelled out. 0 ohm 0805 resistor is the name buyers use when the value and the body size both matter. SMD jumper is the name for its surface-mount jumper style. 0 ohm jumper is the name that says what it really is — a bridge, not a resistor value. If your board list calls for a 0 ohm link at 0.125W in an 0805 body, this page is the right match. Do not judge by size alone — check the value, the current, and the body too.

Frequently Asked Questions

What does 0 ohm mean?

It means the part is a jumper, not a resistor with a value — it joins two traces with almost no resistance, under 50mΩ at most.

What does 1% mean, and what does 0.125W mean?

1% is the tolerance label on the listing, but it does not describe a jumper: a jumper has no resistance value to hold within 1%. The figure that matters is the maximum resistance of 50mΩ. 0.125W is the power rating of the 0805 size, rated at 70°C ambient, with less allowed as it gets hotter — but for a jumper the current rating of 2A is the limit that binds.

What is the 0 marking on the body?

It is the marking for a 0 ohm jumper: a single “0” (or “000”). There is no EIA-96 code for 0 ohm, because it is a jumper, not a resistance value.

Can I use this jumper at 150 V?

150V is the series voltage limit for the 0805 size, but it is not the limit that matters here: a jumper drops almost no voltage, so the current is the real limit. Keep the steady current at or below 2A, and never above 5A. At 2A and 50mΩ the jumper drops at most 0.1V.

How do I fit an 0805 chip jumper?

Solder it onto the matching pads on the board — it has no leads, so it sits flat on the pads. Check the pad spacing against the 2.0 mm body before you solder, use a fine tip and a small amount of solder, and do not overheat the part.

What is the price of this part?

Check the live price on the website. The price shown on the product page is the current one.

Use note kept from the old page: this part was listed before as a 0 ohm 0.125W 0805 SMD resistor, a high-quality component for circuit bridging and current path configuration, acting as a jumper for flexible PCB design and easy modifications, helping to reduce resistance variations and maintain stable electrical connections in demanding environments, ensuring precise circuit continuity as an essential component for high-efficiency solar energy systems, as a surface-mount part for easy PCB integration, improving assembly efficiency and design flexibility, functioning as a 0 ohm jumper resistor that simplifies circuit layouts by providing a low-resistance bridge between traces, enhancing power distribution, reducing potential signal interference, and supporting optimal circuit performance — and that use still stands.