CCR TTELEC | Alldatasheet

Document overview

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Technical content

  • Replacement for hot moulded carbon composition
  • High pulse voltage and energy capability
  • N o n - i n d u c t i v e
  • Surface mount option
  • UL94-V0 appr oved coating General Note W elwyn Components r eserves the right to make change s in pr oduct specification without notice or liabil ity . All information is subject to W elwyn’ s own data and is consider ed accurate at time of going to print. © W elwyn Components Limited · Bedlington, Northumberland NE22 7AA, UK T elephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1 670 829465 · Email: info@welwyn-tt.com · W ebsite: w ww .welwyn-tt.com Issue C · 03.06 A subsidiary of TT electr onics plc Welwyn Components Dimensions (mm) T y p e L m a x D m a x D n o r m F m i n C C R 1 1 5 . 5 5 . 5 0 . 8 3 0 CCR series r esistors ar e pr oduced fr om a carbon cer amic composite material, the composition of which is var ied to pr oduce the r equir ed r esistance value. The ceramic r ods ar e fitted with end caps to which ar e welded the termin ation wir es. Finally , a specially formulated high voltage epoxy coating is applied and the r esistors ar e marked. The body pr otection and marking ar e r esistant to al l normal industrial cleaning solvents suitable for printed c ir c uits. E l e c t r i c a l D a t a * T olerance applies to date of manufactur e. As in a ll carbon composition parts value drift in storage is possible. This is typi cally 3% in one year and 5% in 2 years. P h y s i c a l D a t a C o n s t r u c t i o n S o l v e n t R e s i s t a n c e CCR series r esistors ar e colour coded. Resistors wi th 20% tolerance have thr ee bands indicating value, and r e sistors with 5% and 10% tolerance have four bands indicating val ue and tolerance in accor dance with IEC62. M a r k i n g LD f d C C R 1 Power rating at 25°C watts 1 Resistance range ohms 220R – 22K Maximum pulse voltage volts See pulse graphs TCR ppm/°C <1K0 : -700±200 ≥ 1K0 : -1000±300 Resistance T olerance % 10 or 20 * Standar d V alues E 1 2 Ambient temperatur e range °C -40 to 80 T h e r m a l I m p e d a n c e ° C / W 1 0 0 OBSOLETE

C a r b o n C o m p o s i t i o n R e s i s t o r s C C R S e r i e s 9 2 Welwyn Components P e r f o r m a n c e D a t a T y p i c a l C h a n g e Load at rated power: 1000hrs @ 25°C ∆ R % ± 5 % Dry heat: 1000hrs @ 125°C ∆ R % ± 5 % Long Pulse: 100mS at 60 x Rated Power ∆ R % ± 2 % Short term overload: 2s at 6.25 x Rated Power ∆ R % ± 2 % Derating fr om rated power @ 25°C Zer o at 125°C Climatic sequence ∆ R % ± 8 % V i b r a t i o n ∆ R % ± 2 % T e mperatur e rapid change ∆ R % ± 2 % Resistance to solder heat ∆ R % ± 2 % Isolation voltage V 500V The graphs below show the value changes r esulting f r om applying multiple pulses of incr easing peak vol tage. The pulse shape was 1.2/50µS as defined in IEC 6100-4-5 / ANSI C62. 41. The highest voltage plotted on each graph r epr e sents the maximum peak voltage for that r esistance value. P u l s e P e r f o r m a n c e © W elwyn Components Limited Bedlington, Northumberland NE22 7AA, UK T elephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1 670 829465 · Email: info@welwyn-tt.com · W ebsite: w ww .welwyn-tt.com Issue C · 03.06 20% 40% 60% 80% 100% 120% CCR1-240R 1.2/50 PeakVoltage /kV MEAN MIN MAX Resistance Value (Normalised) 5 10 15 20 0 20% 40% 60% 80% 100% 120% CCR1-1K0 1.2/50 PeakVoltage /kV MEAN MIN MAX Resistance Value (Normalised) 5 10 15 20 20% 40% 60% 80% 100% 120% CCR1-2K2 1.2/50 PeakVoltage /kV MEAN MIN MAX Resistance Value (Normalised) 5 10 15 20 0 20% 40% 60% 80% 100% 120% CCR1-15K 1.2/50 PeakVoltage /kV MEAN MIN MAX Resistance Value (Normalised) 5 10 15 20 OBSOLETE

C a r b o n C o m p o s i t i o n R e s i s t o r s C C R S e r i e s Welwyn Components CCR axial pr oducts ar e supplied tape packed r eady f or loading onto automatic sequencing and insertion machines. Component leads will not pr otrude beyond the outsid e edge of the tapes. Standar d taping method and cri tical dimensions ar e shown below . Standar d pack size: 1000 parts. P a c k a g i n g – A x i a l V e r s i o n CCR series r esistor can be supplied with formed lea ds suitable for pick and place surface mounting as shown below . For this option add suf fix Z to the type, e.g. CCR1Z. S u r f a c e M o u n t O p t i o n © W elwyn Components Limited Bedlington, Northumberland NE22 7AA, UK T elephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1 670 829465 · Email: info@welwyn-tt.com · W ebsite: w ww .welwyn-tt.com Issue C · 03.06

15.50 MAX

1.44 MIN

A A B B18.70 0.20 0.80 0.80 6.50 4.20 0.20 6.95

5.50 MAX

+ 0.60 0.2 0.3 – 0.50 f1 f2 Body location f 1 – f 2 1.4 mm <– OBSOLETE

C a r b o n C o m p o s i t i o n R e s i s t o r s C C R S e r i e s Welwyn Components Pr oducts ar e supplied on standar d carrier tape and 330mm diameter r eels suitable for automatic pick an d place machines. Carrier tape dimensions and standar d r eels quantiti es ar e given below . P a c k a g i n g – S u r f a c e M o u n t V e r s i o n Specify type r efer ence etc as shown in this example of CCR1 6.8K ohms 10%, taped and r eeled. O r d e r i n g P r o c e d u r e Dimensions (mm) T y p e A o B o K o W P T C C R 1 Z 7 . 3 1 9 . 2 7 . 7 3 2 1 2 0 . 4 7 5 0 Q u a n t i t y Per Reel © W elwyn Components Limited Bedlington, Northumberland NE22 7AA, UK T elephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1 670 829465 · Email: info@welwyn-tt.com · W ebsite: w ww .welwyn-tt.com Issue C · 03.06 T y p e C C R 1 – 6 K 8 K I Lead form V alue (use IEC62 code) T olerance (use IEC 62 code) Blank Axial Z S u r f a c e m o u n t K 1 0 % M 2 0 % Ao Bo W P Ko 32mm 13mm 330mm OBSOLETE