riedon inc. 300 cypress avenue alhambra ca 91801 (626) 284-9901 (626) 284-1704 www.riedon.com uhpl precision foil resistors type UHPL-2 resistance range 1.0 to 150 kohms ( up to 1 meg available, contact factory ) power rating (70c) 0.6w (<100 kohms) 0.4w (>100 kohms) max working voltage 300v tolerances: from 0.5 ohms from 1 ohms from 2 ohms from 5.0 ohms from 12.0 ohms from 25.0 ohms from 100.0 ohms 1% 0.5% / 1% 0.1% / 0.25% / 0.5% / 1% 0.05% / 0.1% / 0.25% / 0.5% / 1% 0.02% / 0.05% / 0.1% / 0.25% / 0.5% / 1% 0.01% / 0.02% / 0.05% / 0.1% / 0.25% / 0.5% / 1% 0.005% / 0.01% / 0.02% / 0.05% / 0.1% / 0.25% / 0.5% / 1% stability 0.005% ( 2000 hr @ 0.1w, 70c ) temperature coeffcient typical: 1ppm/c ( -55 to +125c, +25c ref ) upon request: 1ppm/c ( 0 to +60c ) and 1ppm/c ( -55 to +125c ) operating temperature range -55 to 175c inductance < 0.08mh capacitance 1pf max, 0.5pf typical rise time 1ns @ 1khz thermal emf < 0.05v/c voltage coeffcient < 0.1 ppm/v terminations snpb* solder finish ( pb free available ) specifications ? resistances from 1ohm to 150kohms ? power rating to 0.6 watts ? resistance tolerances to 0.005% ? tcr to 1ppm/c ? load stability to 0.005% @ 70c, 2000hr temperature (c) temperature coeffcient c alloy 2ppm/c * * pb containing terminations are not rohs compliant power (% of nominal power) temperature (c) power derating curve -75 -25 25 75 125 175 225 0 20 40 60 80 100 120 70c -55c 6/13
riedon inc. 300 cypress avenue alhambra ca 91801 (626) 284-9901 (626) 284-1704 www.riedon.com part description: part type - resistance - tolerance - tcr UHPL-2 1.0125k 0.05% 2ppm ordering information specifications (continued) uhpl precision foil resistors type dimension mm tol (mm) inches tol (inches) UHPL-2 a 7.62 0.25 0.300 0.010 b 8.28 0.25 0.326 0.010 c 2.67 0.25 0.105 0.010 d 0.60 0.03 0.24 0.001 e 1.02 0.13 0.040 0.005 f 0.25 min 0.010 min g 25.4 3.2 1.00 0.13 h 3.81 0.13 0.150 0.005 environmental performance comparison mil-prf-55182 char j uhpl series max ?r uhpl series typical ?r thermal shock: 5 x (-65c to + 150c) 0.2 % 0.01% (100ppm) 0.002 % (20ppm) short time overload: 6.25 x rated power 0.2 % 0.01% (100ppm) 0.003 % (30ppm) low temperature storage: 24 h @ -65c 0.15 % 0.01 % (100pm) 0.002 % (20ppm) dielectric withstanding voltage (dwv) 0.15 % 0.01 % (100pm) 0.002 % (20ppm) resistance to solder heat 0.1 % 0.01 % (100pm) 0.005 %(50ppm) moisture resistance 0.4 % 0.05 % (500ppm) 0.01 % (100ppm) shock 0.2 % 0.01 % (100ppm) 0.002 % (20ppm) vibration 0.2 % 0.01 % (100ppm) 0.002 % (20ppm) life test: 0.3w @ +125c, 2000 h 0.5 % 0.015 % (150ppm) 0.01 % (100ppm) life test: 0.6 w (2 x rated power) @ +70c, 2000 h 0.5 % 0.015 % (150ppm) 0.01 % (100ppm) high temperature exposure: 2000 h @ +175c 2.0% 0.1 % (1000ppm) 0.05 % (500ppm) voltage coeffcient 5ppm /v < 0.1 ppm/v < 0.1 ppm/v dimensions 6/13
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