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| BCcomponents DATA SHEET MRS16; MRS25 Professional leaded resistors Maintenance types (not for new designs) File under BCcomponents, BC08 2000 Sep 06 BCcomponents Maintenance types (not for new designs) Professional leaded resistors FEATURES DESCRIPTION MRS16; MRS25 * Professional resistors in small outlines * Low noise. APPLICATIONS * All general purpose applications. A homogeneous film of metal alloy is deposited on a high grade ceramic body. After a helical groove has been cut in the resistive layer, tinned connecting wires of electrolytic copper are welded to the end-caps. The resistors are coated with lacquer which provides electrical, mechanical, and climatic protection. Four or five colour code rings designate the resistance value and tolerance according to IEC 60 062. Suitable replacements for MRS16 and MRS25 are the MBA 0204 and MBB 0207 professional. QUICK REFERENCE DATA DESCRIPTION Resistance range Resistance tolerance and series Maximum dissipation at Tamb = 70 C Thermal resistance (Rth) Temperature coefficient Maximum permissible voltage (DC or RMS) Basic specifications Climatic category (IEC 60068) Max. resistance change for resistance range, R/R max., after: load: R 100 k R > 100 k climatic tests: R 100 k R > 100 k soldering: R 100 k R > 100 k short time overload 200 V IEC 60115-1 and 60115-2 55/155/56 0,4 W 170 K/W VALUE MRS16 4,99 to 1 M MRS25 1 to 10 M 1%; E24/E96 series 0,6 W 150 K/W 50 ppm/K 350 V (0,5% + 0,05 ) (1% + 0,05 ) (0,5% + 0,05 ) (1% + 0,05 ) (0,1% + 0,05 ) (0,25% + 0,05 ) (0,25% + 0,05 ) (0,5% + 0,05 ) (0,5% + 0,05 ) (0,5% + 0,05 ) (0,5% + 0,05 ) (0,1% + 0,05 ) (0,1% + 0,05 ) (0,25% + 0,05 ) 2000 Sep 06 2 BCcomponents Maintenance types (not for new designs) Professional leaded resistors ORDERING INFORMATION Numeric Ordering code (12NC) MRS16; MRS25 * The resistors have a 12-digit ordering code starting with 2322 15. * The subsequent 2 digits indicate the resistor type and packaging; see Table 1. * The remaining 4 digits indicate the resistance value: - The first 3 digits indicate the resistance value. - The last digit indicates the resistance decade in accordance with Table 2. Table 1 Ordering code indicating resistor type and packaging ORDERING CODE 2322 15. ..... TYPE BANDOLIER IN AMMOPACK 1000 units MRS16 MRS25 7 1.... 6 1.... 5000 units 7 2.... 6 2.... BANDOLIER ON REEL 5000 units 7 3.... 6 3.... Table 2 Last digit of 12NC indicating resistance decade LAST DIGIT 8 9 1 2 3 4 5 6 ORDERING EXAMPLE The ordering code of a MRS16 resistor, value 750 , on a bandolier of 1000 units in ammopack is: 2322 157 17501. RESISTANCE DECADE 1 to 9,76 10 to 97,6 100 to 976 1 to 9,76 k 10 to 97,6 k 100 to 976 k 1 to 9,76 M 10 M 2000 Sep 06 3 BCcomponents Maintenance types (not for new designs) Professional leaded resistors MECHANICAL DATA Outlines MRS16; MRS25 L D d M For dimensions see Table 3. Fig.2 Outline. Table 3 TYPE MRS 16 MRS 25 Note 1. Due to the various sources of production, delivery of specific versions (A or B) of MRS 16 cannot be guaranteed. Leaded resistor types, mass and relevant physical dimensions; see Fig.2 VERSION A B Dmax (mm) 1.6 1.9 2.5 Lmax (mm) 3.6 3.4 6.5 dnom (mm) 0.5 0.5 0.6 Mmin (mm) 5.0 5.0 10.0 MASS (mg) 125 125 700 - 2000 Sep 06 4 |
Price & Availability of MRS16
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