Ruthenium pastes PRu-P

Ruthenium pastes PRu-P from Ecotec with various sheet resistance ratings, designed for the manufacture of resistors, offering stable electrical characteristics over a wide range.

Technical specifications

Parameter	PRuP-10	PRuP-100	PRu-P-1K	PRu-P-10K	PRu-P-100K	PRu-P-1M
Sheet resistance rating, Ohm/sq.	10	100	1000	10000	100000	1000000
Deviation from nominal, %, not more than	+10
TCR at (20…125°C), 10-6*deg-1	+100
TCR at (-55…+20°C), 10-6*deg-1	+100
Resistance change after thermal cycling:
— 5 cycles (-55…+20°C) %, not more than	+1
Conditional viscosity, mm	20…25
TU number	ETO.035.231TU

Electrical characteristics correspond to a fired layer thickness of 14…25 µm for test resistors of size 2*2 mm on VK-94 ceramic.

APPLICATIONS

The pastes are recommended for use in the production of thick-film fixed and variable resistors by screen printing on VK-94-1 or VK-94-2 ceramic. It is allowed to form resistors in multilayer boards on dielectric PD-12. The pastes are compatible with silver and silver-palladium conductor pastes of the PP series. Recommended pastes: PP-8, PP-9, PP-12, PP-22, PP-33. To obtain intermediate resistance values, mixing of pastes of adjacent ratings within the series is allowed. A computer program for calculating the ratio of mixed pastes is supplied free of charge upon customer request.

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Ruthenium pastes PRu-P

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