Tubular Vitreous Enamelled Wirewound Resistors - TT electronics ...

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Tubular Vitreous Enamelled Wirewound Resistors Tubular Vitreous Enamelled Wirewound Resistors Resistors 1600/1900 1600/1900 1600/1900 Series Series Series Welwyn Welwyn Components Components 126 126 126 Table Table Table 6 mounting mounting mounting clip clip clip dimension dimension dimension (mm) (mm) (mm) See Fig. 11 See See Fig. Fig. 11 11 Clip Type A B C D E F G H J K Auxiliary Clip Type Auxiliary Clip ref. Type type nom. A max B nom. C max D max E max F ±0.2 G dia H dia J nom K Auxiliary locking ref. type nom. max nom. max max max ±0.2 dia dia nom locking ref. type nom. max nom. max max max ±0.2 dia dia nom spring locking ref spring ref 1601 52 68 spring ref 1601 52 68 1601 1602 52 70 68 86 1602 70 86 MD1 1603 1602 90 70 106 86 29 19 17.5 14.5 4.8 4.0 3.9 7.2 MD16 MD1 1603 90 106 29 19 17.5 14.5 4.8 4.0 3.9 7.2 MD16 MD1 MD4 1603 1604 121 90 106 137 29 19 17.5 14.5 4.8 4.0 3.9 7.2 MD16 MD4 1604 121 137 MD4 1604 1605 121 108 137 128 1605 108 128 1605 1906 108 83 128 99 1906 83 99 1906 1607 125 83 146 99 1607 125 146 MD3 1607 1608 125 176 146 197 49 33 32.0 19.0 6.4 4.0 6.3 9.5 MD18 MD3 1608 176 197 49 33 32.0 19.0 6.4 4.0 6.3 9.5 MD18 MD3 MD6 1608 1609 176 240 197 261 49 33 32.0 19.0 6.4 4.0 6.3 9.5 MD18 MD6 1609 240 261 MD6 1609 240 261 These mounting clips are suitable for termination styles C, CB and CP. These These mounting mounting clips clips are are suitable suitable for for termination termination styles styles C, C, CB CB and and CP. CP. MD4, 5 and 6 have an ear formed in the bottom surface of the bracket to MD4, MD4, and and have have an an ear ear formed formed in in the the bottom bottom surface surface of of the the bracket bracket to to prevent rotation of the mounting plate. The auxiliary locking springs prevent prevent rotation rotation of of the the mounting mounting plate. plate. The The auxiliary auxiliary locking locking springs springs ensure positive retention of the tube under severe mechanical shock ensure ensure positive positive retention retention of of the the tube tube under under severe severe mechanical mechanical shock shock conditions. See Figure 11. conditions. conditions. See See Figure Figure 11. 11. Table Table Table 7 Mounting Mounting Mounting brackets brackets brackets dimensions dimensions dimensions (mm). (mm). (mm). See Fig. 12. See See Fig. Fig. 12. 12. Bracket Type A B C D E Bracket Type Bracket ref. Type nom A nom B nom C nom D nom E ref. nom nom nom nom nom ref. MD40 1600 nom 78 nom 92 nom 10 nom 20 nom 4.2 MD40 1600 78 92 10 20 4.2 MD40 1600 1905 78 73 92 87 10 20 4.2 1905 73 87 1905 1601 73 50 87 64 1601 50 64 1601 1602 50 68 64 82 1602 68 82 MD41 1602 1603 68 91 105 82 13 20 4.2 MD41 1603 91 105 13 20 4.2 MD41 1603 1604 119 91 105 133 13 20 4.2 1604 119 133 1604 1906 119 81 133 95 1906 81 95 MD42 1906 1605 106 81 120 95 MD42 1605 106 120 MD42 1605 1606 106 183 120 197 20 25 5.2 1606 183 197 20 25 5.2 1606 1908 183 119 197 133 20 25 5.2 1908 119 133 1908 1607 119 121 133 143 1607 121 143 MD43 1607 1608 121 171 143 193 28 30 5.2 MD43 1608 171 193 28 30 5.2 MD43 1608 1609 171 235 193 257 28 30 5.2 1609 235 257 1609 235 257 These brackets are suitable for termination styles B, 4B, AP & AW These These brackets brackets are are suitable suitable for for termination termination styles styles B, B, 4B, 4B, AP AP AW AW Table Table Table 8 Mounting Mounting Mounting plug plug plug dimensions dimensions dimensions (mm) (mm) (mm) See Fig. 13. See See Fig. Fig. 13. 13. Type A B C Type Type A Min. B Max. C Min. Max. 1601 Min. Max. 1601 1601 1602 1602 1602 1603 1.6 3.7 5.3 M4 1603 1.6 3.7 5.3 M4 1603 1604 1.6 3.7 5.3 M4 1604 1906 1604 1906 1906 1605 1605 1605 1606 1.6 3.7 5.3 M5 1606 1.6 3.7 5.3 M5 1606 1908 1.6 3.7 5.3 M5 1908 1908 1607 1607 1607 1608 3.2 5.2 6.8 M6 1608 3.2 5.2 6.8 M6 1609 1608 3.2 5.2 6.8 M6 1609 1609 F type bushes are suitable for termination styles B, 4B AP and AW type type bushes bushes are are suitable suitable for for termination termination styles styles B, B, 4B 4B AP AP and and AW AW Ordering Ordering Ordering Procedure Procedure Procedure Mounting clips (and auxiliary locking Mounting Mounting clips clips (and (and auxiliary auxiliary locking locking springs when required) should be ordered springs springs when when required) required) should should be be ordered ordered units and the type reference specified. in in units units and and the the type type reference reference specified. specified. Ordering Ordering Ordering Procedure Procedure Procedure Mounting brackets should be ordered in Mounting Mounting brackets brackets should should be be ordered ordered in in units and the type reference specified. units units and and the the type type reference reference specified. specified. Ordering Ordering Ordering Procedure Procedure Procedure Mounting plugs are denoted by the prefix Mounting Mounting plugs plugs are are denoted denoted by by the the prefix prefix ‘F’ added to the size reference; ‘F’ ‘F’ added added to to the the size size reference; reference; e.g. BF1602 and APF1602. e.g. e.g. BF1602 BF1602 and and APF1602. APF1602. General Note TT electronics reserves the right to make changes in product specification without notice or liability. All © information Welwyn Components is subject to TT electronics’ Limitedown Bedlington, data and Northumberland is considered accurate NE22 at 7AA, time UK of going to print. www.bitechnologies.com www.irctt.com www.welwyn-tt.com © Telephone: Welwyn Welwyn +44 Components Components (0) 1670 822181 Limited Limited · Facsimile: Bedlington, Bedlington, +44 (0) 1670 Northumberland Northumberland 829465 · Email: NE22 NE22 info@welwyn-tt.com 7AA, UK 7AA, UK · Website: www.welwyn-tt.com Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info@welwyn-tt.com Website: www.welwyn-tt.com © Telephone: TT electronics +44 (0) 1670 plc822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com 08. 11
Tubular Vitreous Enamelled Wirewound Resistors Tubular Vitreous Enamelled Wirewound Resistors 1600/1900 Series Welwyn Components Ordering Procedure Specify the full type reference, resistance value and tolerance, using IEC 62 code references. The addition of L to the prefix describing terminal configuration indicates Ayrton-Perry winding. Example: Electrically live ferrule terminated 1601 size at 10 ohms and 5% - Adjustable Option C 1601 - 10R J I V Fixed Adjustable Termination Style B AP AW 4B CB C CP See Figures 2 to 8 Winding & Mounting Options L F Standard Low Inductabce Mounting plug Tube Size Value (USE IEC62 code) Tolerance (use IEC62 code) F 1% G 2% J 5% K 10% Packing I Box Standard Note - consult data sheet in detail for valid combinations. Minimium Ordering Quantity: 10 Order Multiple: 1 Note - adjustable option V with termination style 4B is coded 4VB General Note TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electronics’ own data and is considered accurate at time of going to print. www.bitechnologies.com www.irctt.com www.welwyn-tt.com © Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK Telephone: © TT electronics +44 (0) 1670 plc822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com 08. 11
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