Wattage rating on this shunt resistor?

[Dave92F1]

I have a shunt resistor marked "Bader BMN4P/10Q 1R00 V19 0.1".

I'm pretty sure it's 1 ohm, 0.1%, but don't know how many watts/amps it'll take.

I can't seem to find a datasheet for it. Anybody know the wattage rating on these?

It looks exactly like this one (identical package, different markings): https://www.researchgate.net/figure/Shunt-resistance-used-in-the-assays-shunt-resistance-datasheet_fig5_339702401

[TimFox]

I do not know that particular resistor, but if it were an "ammeter shunt" it would usually be designed for 50 or 100 mV voltage sense, or 100 mA for a 1\$\Omega\$ resistance.

[fmashockie]

I can't find a datasheet for this specific resistor, but given the size and heat sink, I would imagine it is at least a 10W resistor.  Always go higher in rating when you are unsure!

[bdunham7]

The article you linked shows a 10W resistor. Since the part number looks the same except for the nominal resistance, I'd assume yours is 10W as well, likely almost certainly requiring a heat sink.  You'll need to think about the tempco, the 0R020 one in the article stated 300ppm/C, but your 1R0 might be better.

[TimFox]

I found the datasheet for the resistor you linked to, which is a smaller resistance.

0.02 ohms
0.1% tolerance
10 W max power
< 10 nH inductance

The authors of the article needed a shunt resistor with small inductance for supercapacitor measurements.

[fzabkar]

From the research paper ...

[TizianoHV]

I have some resistors that look the same (series ISA-PLAN, model A-H). Could be some custom order.