rev date: 03/14/2012 1 www.seielect.com this specification may be changed at any time without prior notice marketing@seielect.com please confirm technical specificatio ns before you order and/or use. tr series TO-220 and to-247 style power resistor stackpole electronics, inc. resistive product solutions features: ? tr20/30/35/50/50h comes in TO-220 style power package ? tr100 available in to-247 style power package ? tr30/35/50h/100 has single screw mounting to heat sink ? molded case for environmental protection ? electrically isolated case ? non-inductive package tr20/30/35/50/50h tr100 short time overload ? r (0.3% + 0.001 ?) ? r (0.5% + 0.001 ?) 2 times rated power with applied voltage not to exceed 1.5 times maximum continuous operatin g volta g e for 5 seconds load life ? r (1% + 0.001 ?) ? r (1% + 0.001 ?) mil-r-39009, 2000 hours at rated power moisture resistance ? r (0.5% + 0.001 ?) ? r (0.5% + 0.001 ?) mil-std-202, method 103b thermal shock ? r (0.3% + 0.001 ?) ? r (0.5% + 0.001 ?) mil-std-202, method 107g terminal strength ? r (0.2% + 0.001 ?) ? r (0.2% + 0.001 ? ) mil-std-202, method 211, condition a (pull test) 2.4n vibration, high frequency ? r (0.2% + 0.001 ?) ? r (0.4% + 0.001 ?) mil-std-202, method 204, condition d dielectric strength insulation resistance operating temperature range: -65oc to + 150oc (tr20/tr30/tr50/tr50h) -65oc to + 175oc (tr35/tr100) test method 1800vac 10g ? min. test item specification type / code 50 ppm/oc 10 - 10k 10 - 10k 10 - 10k 10 - 10k 100 ppm/oc 10 - 10k 3.01 - 10k 3.3 - 10k 3.3 - 10k 200 ppm/oc 10 - 10k 3.01 - 10k 3.3 - 10k 3.3 - 10k 300 ppm/oc 1.02 - 3 1.1 - 3 1.1 - 3 tr35 TO-220 35w 2.5w (2) 0.05 - 1 0.05 - 1 50 ppm/oc 10 - 10k 10 - 10k 10 - 10k 10 - 10k 100 ppm/oc 10 - 10k 3.01 - 10k 3.3 - 10k 3.3 - 10k 200 ppm/oc 10 - 10k 3.01 - 10k 3.3 - 10k 3.3 - 10k 300 ppm/oc 1.02 - 3 1.1 - 3 1.1 - 3 (2) 0.1 - 1 0.1 - 1 50 ppm/oc 10 - 10k 10 - 10k 10 - 10k 100 ppm/oc 3.01 - 10k 3.3 - 10k 3.3 - 10k 200 ppm/oc 3.01 - 10k 3.3 - 10k 3.3 - 10k 300 ppm/oc 1.02 - 3 1.1 - 3 1.1 - 3 (2) 0.05-1 0.05-1 (1) lesser of pr or maximum working voltage (2) unspecified tcr. contact factory. (3) the case temperature is to be used for the definition of the applied power limit. refer to power derating curve. maximum working voltage (1) resistance temperature coefficient ohmic range ( ? ) and tolerance 1% 5% 10% 0.5% - - - - - - - - - - - - 100w 3.5w power rating (watts) @ 25oc with heat sink (3) power rating (watts) @ 25oc package style tr20 TO-220 tr30 TO-220 tr50 TO-220 50w 2.25w tr100 to-247 tr50h TO-220 30w 2.25w 350v 700v 20w 3w 350v 420v 50w 3w electrical specifications environmental characteristics
rev date: 03/14/2012 2 www.seielect.com this specification may be changed at any time without prior notice marketing@seielect.com please confirm technical specificatio ns before you order and/or use. tr series TO-220 and to-247 style power resistor stackpole electronics, inc. resistive product solutions 0.410 0.010 0.410 0.010 0.400 0.010 0.410 0.010 0.410 0.010 0.620 0.010 inches 10.41 0.26 10.41 0.26 10.16 0.25 10.41 0.26 10.41 0.26 15.75 0.26 mm 0.640 0.010 0.640 0.010 0.581 0.010 0.640 0.010 0.640 0.010 0.815 0.010 inches 16.26 0.26 16.26 0.26 14.75 0.25 16.26 0.26 16.26 0.26 20.70 0.26 mm 0.125 0.010 0.125 0.010 0.175 0.015 0.125 0.010 0.125 0.010 0.195 0.010 inches 3.18 0.26 3.18 0.26 4.44 0.38 3.18 0.26 3.18 0.26 4.95 0.26 mm 0.050 0.005 0.050 0.005 0.050 0.005 0.050 0.005 0.050 0.005 0.143 0.007 inches 1.27 0.13 1.27 0.13 1.27 0.13 1.27 0.13 1.27 0.13 3.63 0.18 mm 0.030 0.004 0.030 0.004 0.031 0.003 0.030 0.004 0.030 0.004 0.060 0.004 inches 0.76 0.10 0.76 0.10 0.78 0.08 0.76 0.10 0.76 0.10 1.52 0.10 mm 0.200 0.010 0.200 0.010 0.200 0.010 0.200 0.010 0.200 0.010 0.400 0.010 inches 5.08 0.26 5.08 0.26 5.08 0.26 5.08 0.26 5.08 0.26 10.16 0.26 mm 0.130 0.030 0.130 0.030 0.130 0.030 0.130 0.030 0.130 0.030 0.110 0.030 inches 3.30 0.76 3.30 0.76 3.30 0.76 3.30 0.76 3.30 0.76 2.79 0.76 mm 0.500 0.050 0.500 0.050 0.539 0.039 0.500 0.050 0.500 0.050 0.570 0.050 inches 12.70 1.27 12.70 1.27 13.70 1.00 12.70 1.27 12.70 1.27 14.48 1.27 mm 0.020 0.004 0.020 0.004 0.024 0.003 0.020 0.004 0.020 0.004 0.032 0.010 inches 0.50 0.10 0.50 0.10 0.62 0.08 0.50 0.10 0.50 0.10 0.81 0.26 mm 0.070 0.010 0.070 0.010 0.090 0.010 0.070 0.010 0.070 0.010 0.095 0.010 inches 1.78 0.26 1.78 0.26 2.28 0.25 1.78 0.26 1.78 0.26 2.41 0.26 mm 0.125 0.004 0.144 0.004 0.125 0.004 0.143 0.007 inches 3.18 0.10 3.65 0.10 3.18 0.10 3.63 0.18 mm 0.125 0.010 0.116 0.004 0.125 0.010 0.210 0.010 inches 3.18 0.26 2.95 0.10 3.18 0.26 5.33 0.26 mm 0.051 0.004 inches 1.30 0.10 mm 0.240 0.004 inches 6.10 0.10 mm tr50 tr50h tr100 -- tr20 tr30 tr35 - - - - - - - - - - - - f g h j k m n o c d type code e unit a p b mechanical specifications mounting note: (1) when mounting ensure entire ceramic portion of case is mounted on a clean, flat heat sink with an appropriate thermal interface, such as thermal grease. for screw mounting use of a compression washer at a force of 150 to 300lbs (665 to 1330n) is recommended without exceeding mounting torque of 8 in-lbs (0.9 n-m) to avoid package damage. for clip mounting use of a round or smooth clip in contact area is recommended to avoid a concentrated hot spot on package. (2) tr50/100 must be mounted to heat sink using proper mounting clip for efficient heat dissipation.
rev date: 03/14/2012 3 www.seielect.com this specification may be changed at any time without prior notice marketing@seielect.com please confirm technical specificatio ns before you order and/or use. tr series TO-220 and to-247 style power resistor stackpole electronics, inc. resistive product solutions power derating curve: 100 80 60 40 20 0 175 0 25 50 75 100 125 150 case temperature power ratio (%) tr20/tr30/tr50/tr50h tr35/tr100 how to order 1234567891011 tr2 0fbd1k0 0 size tr standard 20 code quantity code 30 d 1,000 - 35 f 600(1) c 50 j 500 d 50h k l 100 m (1) contact factory for smaller quantities. 10 kohm = 10k0 100 200 35 four characters with the multiplier used as the decimal holder. unspecified 11 ohm = 11r0 1 kohm = 1k00 bulk ppm 50 size 300 product series power tolerance resistance value tcr packaging 20w tol code description 30w 0.5% 35w 1% 20, 30, 50, 50h 100 50w 100w 10% 5% 50w b legacy part number (before january 3, 2011): nominal resistance tolerance 1k 1% t y pe description code watta g ecode tcr tolerance st y le qt y description code tr standard 20 20w - unspecified 0.5% 20, 30, 50, 50h 1,000 30 30w t2 50 ppm 1% 100 600(1) 35 35w t1 100 ppm 5% 35 500 50 50w t0 200 ppm 10% 50h 50w 100 100w (1) contact factory for smaller quantities. box b t1 tr 20 b sei type code packaging tcr
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