? ? ? rev. 7b ? precision thin film chip resistors (high power) RH73 series ? feature ? advanced thin film technology ? very tight toleranc e down to 0.01% ? extremely low tcr down to 5 ppm/c ? wide resistance range 1 ohm ~ 3m ohm ?? ? ? p art n umbering s ystem RH73 f 2a td 1001 c precision thin film chip resistors (high power) tcr (ppm/c) code c f g ppm/c 10 25 50 code 1j 2a 2b 2e 2h 3a size 0603 0805 1206 1210 2010 2512 ------ bulk td paper tape(reel) (1h,1e,1j,2a,2b,2e) te plastic tape(reel) (2h,3a) tp paper tape(1e) resistance value 1% - 4 digits, first 3 are si gnificant, forth is multiplier (10 x ) resistance tolerance code a b c d f value 0.05% 0.1% 0.25% 0.5% 1% dimension ? ? ? ? ? ? ? ? ? ? alumina substrate ? resistor layer (nicr) ? bottom electrode (ag) ? overcoat (epoxy) ? top electrode (ag-pd) ? marking ? edge electrode (nicr) ? barrier layer (ni) ? external electrode (sn) type size (inch) l w t d1 d2 weight (g) (1000pcs) 1j 0603 1.550.10 0.800.10 0.450.10 0.300.20 0.300.20 1.83 2a 0805 2.000.15 1.250.15 0.550.10 0.300.20 0.400.20 4.71 2b 1206 3.050.15 1.550.15 0.550.10 0.420.20 0.350.25 9.02 2e 1210 3.100.15 2.400.15 0.550.10 0.400.20 0.550.25 10 2h 2010 4.900.15 2.400.15 0.550.10 0.600.30 0.500.25 23.61 3a 2512 6.300.15 3.100.15 0.550.10 0.600.30 0.500.25 38.06
? ? ? rev. 7b ? precision thin film chip resistors (high power) RH73 series high power rating electrical specifications item type power rating at 70 ? c operating temp. range max. operating voltage max. overload voltage resistance range tcr (ppm/ ? c) 0.01% 0.05% 0.1% 0.25% 0.5% 1% 1j (0603) 1/10w -55 ~ +155 ? c 75v 150v 24.9 ? - 15k ? 5 24.9 ? - 100k ? 4.7 ? - 332k ? 4.7 ? - 332k ? 10 15 4.7 ? -1m ? 25 50 2a (0805) 1/8w -55 ~ +155 ? c 150v 300v 24.9 ? - 30k ? 5 24.9 ? - 200k ? 4.7 ? -511k ? 4.7 ? -511k ? 10 4.7 ? - 1m ? 15 4.7 ? - 1m ? 1 ? - 1m ? 25 50 2b (1206) 1/4w -55 ~ +155 ? c 200v 400v 24.9 ? - 49.9k ? 5 24.9 ? - 499k ? 4.7 ? - 1m ? 10 15 25 50 2e (1210) 1/ 3w -55 ~ +155 ? c 200v 400v 24.9 ? ? 49.9k ? 5 24.9 ? - 499k ? 4.7 ? - 1m ? 10 15 25 50 2h (2010) 1/3w -55 ~ +155 ? c 200v 400v 24.9 ? - 49.9k ? 5 24.9 ? - 499k ? 4.7 ? - 1m ? 10 15 25 50 3a (2512) 3/4w -55 ~ +155 ? c 200v 400v 24.9 ? - 2k ? 4.7 ? ? 2k ? 1 ? ? 2k ? 10 15 25 50 ? operating voltage= (p*r) or max. operating voltage listed above, whichever is lower. ? overload voltage=2.5* (p*r) or max. overload voltage list ed above, whichever is lower. (lower resistance: 1~10 ? ; high power rating) derating curve reflow ? ? ? ? ? ? ? ? ? 0 20 40 60 80 100 0 20 40 60 80 100 120 140 160 180 ambient temperature( ) power ratio(%)
? ? ? rev. 7b ? precision thin film chip resistors (high power) RH73 series environmental characteristics ? item requirement test method tol. Q 0.05% tol. > 0.05% temperature coefficient of resistance (t.c.r.) as spec. mil-std-202f method 304 +25/-55/+25/+125/+25 ? c short time overload ? r0.05% ? r0.2% jis-c-5201-1 5.5 rcwv*2.5 or max. overload voltage for 5 seconds ? r0.2% for high power rating insulation resistance >1000 m ? mil-std-202f method 302 apply 100vdc for 1 minute endurance ? r0.05% ? r0.2% mil-std-202f method 108a 70 ? 2 ? c, max. working voltage for 1000 hrs with 1.5 hrs ?on? and 0.5 hrs ?off? >7k ? ? r0.5% ? r0.5% for high power rating damp heat with load ? r0.05% ? r0.3% mil-std-202f method 103b 40 ? 2 ? c, 90~95% r.h. max. working voltage for 1000 hrs with 1.5 hrs ?on? and 0.5 hrs ?off? ? r0.5% for high power rating bending strength ? r0.05% ? r0.2% jis-c-5201-1 6.1.4 bending amplitude 3 mm for 10 seconds solderability 95% min. coverage mil-std-202f method 208h 245 ? 5 ? c for 3 seconds resistance to soldering heat ? r0.05% ? r0.2% mil-std-202f method 210e 2605 ? c for 10 seconds dielectric withstand voltage by type mil-std-202f method 301 max. overload voltage for 1 minute thermal shock ? r0.05% ? r0.25% mil-std-202f method 107g -55 ? c ~150 ? c, 100 cycles low temperature operation ? r0.05% ? r0.2% jis-c-5201-1 7.1 1 hour, -65 ? c, followed by 45 minutes of rcwv ? r0.5% for high power rating ? storage temperature: 253 ? c; humidity < 80%rh ? packaging unit: mm type ?a ?b ?c w t paper tape (ea) emboss plastic tape (ea) 1j 178.01.0 60.0+1. 0 13.50.7 9.51.0 11.51.0 5,000 - 2a 178.01.0 60.0+1.0 13.50. 7 9.51.0 11.51.0 5,000 - 2b 178.01.0 60.0+1.0 13.50. 7 9.51.0 11.51.0 5,000 - 2e 178.01.0 60.01.0 13.50. 7 9.51.0 11.51.0 5,000 - 2h 178.01.0 60.0+1.0 13.50. 7 13.51.0 15.51.0 - 4,000 3a 178.01.0 60.0+1.0 13.50. 7 13.51.0 15.51.0 - 4,000
? ? ? rev. 7b ? precision thin film chip resistors (high power) RH73 series paper tape specifications unit: mm type a b w e f p0 p1 p2 d0 t 1j 1.100.05 1.900.05 8.000.10 1.750.05 3.50. 05 4.000.10 4.000.10 2.000. 05 1.550.05 0.600.03 2a 1.600.05 2.370.05 8.000.10 1.750.05 3.50. 05 4.000.10 4.000.10 2.000. 05 1.550.05 0.750.05 2b 2.000.05 3.550.05 8.000.10 1.750.05 3.50. 05 4.000.10 4.000.10 2.000. 05 1.550.05 0.750.05 2e 2.750.05 3.400.05 8.000.10 1.750.05 3.50. 05 4.000.05 4.000.10 2.000. 05 1.600.10 0.750.05 emboss plastic tape specifications unit: mm type a b w e f p 0 p 1 p 2 ? d 0 t 2b 2.850.10 5.450.10 12.00.10 1.750.10 5.50.05 4.000.05 4.000.10 2.000.05 1.50+0.10 1.000.20 3a 3.400.10 6.650.10 12.00.10 1.750.10 5.50.05 4.000.05 4.000.10 2.000.05 1.50+0.10 1.000.20 recommend land pattern unit: mm type a b c 1j 0.80 1.00 0.900.2 2a 1.00 1.00 1.350.2 2b 2.00 1.15 1.700.2 2e 2.00 1.15 2.500.2 2h 3.60 1.40 2.500.2 3a 4.90 1.60 3.100.2 w e f d 0 p 1 p 2 p 0 direction of unreeling a b top tape bottom tape resistor paper tape t a b c
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