80 Series
FEATURES
• Designed for precision power applications • All-welded construction • RW Series “Mil” value resistors marked with “Mil” in accordance with MIL-R-26 specifications
Commercial Grade Acrasil®‚ Silicone-Ceramic Conformal Axial Terminal Wirewound 1% Tol. (5% avail.)
RW Series
1.5 / 38.1
SPECIFICATIONS
Material Coating: Silicone-ceramic. Core: Ceramic. Terminals: Solder-coated copper clad axial. Derating: Linearly from 100% @ +25°C to 0% @ +275°C.
Military Grade 80 Series MIL-R-26 Qualified
L D
Comm. Grade 81F 82 83F 83J 85F 85J 80F 80J
Military Grade Watts RW70U 1 2 RW79U 3 RW69V RW74U 5 RW67V RW78U 10 RW68V
Ohms 0.1-6K 0.1-8K 0.1-20K 0.1-75K
Dimensions (in. / mm) Lead Length Diam. Voltage ga. 0.437 / 11.1 0.125 / 3.2 150 24 0.406 / 10.3 0.219 / 5.6 100 20 0.593 / 15.1 0.218 / 5.5 200 20 0.937 / 23.8 0.343 / 8.7 460 1000 18 18
O R D E R I N G I N F O R M AT I O N
Commercial Grade
Electrical Tolerance: ±5% (J type), ±1% (F type) (other tolerances available). Power rating: Based on 25°C free air rating. Maximum ohmic values: See chart. Overload: Under 5 watts: 5 times rated wattage for 5 seconds. 5 watts and over: 10 times rated wattage for 5 seconds. Temperature coefficient: Under 1Ω: ±90 ppm/°C 1 to 9.99Ω: ±50 ppm/°C 10Ω and over: ±20 ppm/°C Dielectric withstanding voltage: 500 VAC: 1 watt rating 1000 VAC: 2, 3, 5, 7 and 10 watt rating
Non-Inductive Winding Optional (blank = std. winding)
81NJR10
80 Series Acrasil® Silicone Ceramic Conformal Axial Term. Wirewound
Wattage Tolerance 1 = 1W F= 1% J = 5% 2 3 5 0 = 10W
0.1-150K 1.842 / 46.8 0.406 /10.3
Military Grade
Resistance Value R10 = 0.10Ω 1R0 = 1.0Ω 10R = 10.0Ω 250 = 250Ω 1K0 = 1,000Ω 4K5 = 4,500Ω 50K = 50,000Ω
This product will not be made available as RoHS Compliant. For RoHS Compliant equivalent, see 40 Series.
Non-Inductive versions available. Insert “N” before tolerance code. Example: 83NF2K21
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RW Series Military grade
Tolerance Resistance Value F = 1% R100 = 0.1� J = 5% 1R00 = 1.0� 10R0 = 10.0� 1000 = 100� 1002 = 10K� 1001 = 1000� 1503 = 150K�
Ohmite’s highest quality conformal axial terminal silicone-ceramic coated resistors for applications requiring high precision and stability. These resistors have a low temperature coefficient and maintain a high degree of stability under demanding conditions.
COMMERCIAL GRADE PART NUMBERS
Ohmic value Ohmic value Ohmic value Ohmic value Ohmic value Wattage 1 3 5 10 Part No. Prefix Suffix –––R10 –––R11 –––R121 –––R133 –––R15 –––R162 –––R182 –––R20 –––R221 –––R249 –––R274 –––R301 –––R332 –––R374 –––R392 –––R402 –––R453 –––R499 –––R511 –––R562 –––R619 –––R681 –––R75 –––R825 –––R909 –––1R0 –––1R1 –––1R21 –––1R33 –––1R5 –––1R62 –––1R82 –––2R0 81F––– 83F––– 85F––– 80F––– Wattage 1 3 5 10 Part No. Prefix Suffix –––2R21 –––2R49 –––2R74 –––3R01 –––3R32 –––3R74 –––4R02 –––4R53 –––4R99 –––5R11 –––5R62 –––6R19 –––6R81 –––7R5 –––8R25 –––9R09 –––10R –––11R –––12R1 –––13R3 –––15R –––16R2 –––18R2 –––20R –––22R1 –––24R9 –––27R4 –––30R1 –––33R2 –––37R4 –––40R2 –––45R3 –––49R9 81F––– 83F––– 85F––– 80F––– Wattage 1 3 5 10 Part No. Prefix Suffix –––51R1 –––56R2 –––61R9 –––68R1 –––75R –––82R5 –––90R9 –––100 –––110 –––121 –––133 –––150 –––162 –––182 –––200 –––221 –––249 –––274 –––301 –––332 –––374 –––402 –––453 –––499 –––511 –––562 –––619 –––681 –––750 –––825 –––909 –––1K0 –––1K1 81F––– 83F––– 85F––– 80F––– Wattage 1 3 5 10 Part No. Prefix Suffix –––1K21 –––1K33 –––1K5 –––1K62 –––1K82 –––2K0 –––2K21 –––2K49 –––2K74 –––3K01 –––3K32 –––3K74 –––4K02 –––4K53 –––4K99 –––5K11 –––5K62 –––6K19 –––6K81 –––7K5 –––8K25 –––9K09 –––10K –––10K5 –––11K –––12K1 –––13K3 –––15K –––16K2 –––18K2 –––20K –––22K1 –––24K9 81F––– 83F––– 85F––– 80F––– Wattage Part No. Prefix Suffix –––27K4 –––30K1 –––33K2 –––37K4 –––38K3 –––40K2 –––45K3 –––49K9 –––51K1 –––56K2 –––61K9 –––68K1 –––75K –––82K5 –––90K9 –––100K –––150K –––200K 85F––– 5 80F––– 10
0.1 0.11 0.121 0.133 0.15 0.162 0.182 0.2 0.221 0.249 0.274 0.301 0.332 0.374 0.392 0.402 0.453 0.499 0.511 0.562 0.619 0.681 0.75 0.825 0.909 1 1.1 1.21 1.330 1.5 1.62 1.82 2
2.21 2.49 2.74 3.01 3.32 3.74 4.02 4.53 4.99 5.11 5.62 6.19 6.81 7.5 8.25 9.09 10 11 12.1 13.3 15 16.2 18.2 20 22.1 24.9 27.4 30.1 33.2 37.4 40.2 45.3 49.9
51.1 56.2 61.9 68.1 75 82.5 90.9 100 110 121 133 150 162 182 200 221 249 274 301 332 374 402 453 499 511 562 619 681 750 825 909 1,000 1,100
1,210 1,330 1,500 1,620 1,820 2,000 2,210 2,490 2,740 3,010 3,320 3,740 4,020 4,530 4,990 5,110 5,620 6,190 6,810 7,500 8,250 9,090 10,000 10,500 11,000 12,100 13,300 15,000 16,200 18,200 20,000 22,100 24,900
27,400 30,100 33,200 37,400 38,300 40,200 45,300 49,900 51,100 56,200 61,900 68,100 75,000 82,500 90,900 100,000 150,000 200,000
= Standard values = Non-standard values subject to minimum handling charge per item Shaded values involve very fine resistance wire and should not be used in critical applications without burn-in and/or thermal cycling. Check product availability at
www.ohmite.com
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Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 • 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
