Style Figure A B C D
50-CBS Surface Mount 1 0.50 (in), 12.7 (mm) None, None None, None None, None
51-CBS 5 0.50 (in), 12.7 (mm) 1.00 (in), 25.4 (mm) 0.05 (in), 1.27 (mm) 0.12 (in), 3.05 (mm)
52-CBS 4 0.50 (in), 12.7 (mm) 1.00 (in), 25.4 (mm) None, None 0.12 (in), 3.05 (mm)
52NN-CBS 4* (no v-notches) 0.50 (in), 12.7 (mm) 1.00 (in), 25.4 (mm) None, None 0.12 (in), 3.05 (mm)
53-CBS 3 0.50 (in), 12.7 (mm) 0.50 (in), 12.7 (mm) 0.05 (in), 1.27 (mm) 0.12 (in), 3.05 (mm)
53A-CBS 3 0.50 (in), 12.7 (mm) 0.50 (in), 12.7 (mm) 0.05 (in), 1.27 (mm) 0.06 (in), 1.53 (mm)
54-CBS 2 0.50 (in), 12.7 (mm) 0.50 (in), 12.7 (mm) None, None 0.12 (in), 3.05 (mm)
55-CBS 5 0.50 (in), 12.7 (mm) 1.00 (in), 25.4 (mm) 0.01 (in), 0.250 (mm) 0.12 (in), 3.05 (mm)
56-CBS 5 0.50 (in), 12.7 (mm) 1.00 (in), 25.4 (mm) 0.05 (in), 1.27 (mm) 0.15 (in), 3.81 (mm)
57-CBS 5 0.50 (in), 12.7 (mm) 1.00 (in), 25.4 (mm) 0.01 (in), 0.250 (mm) 0.15 (in), 3.81 (mm)
58-CBS 2 0.50 (in), 12.7 (mm) 0.50 (in), 12.7 (mm) None, None 0.15 (in), 3.81 (mm)
59-CBS 6 0.50 (in), 12.7 (mm) 0.25 (in), 6.35 (mm) None, None 0.12 (in), 3.05 (mm)

Catalog Image
Catalog Image
Catalog Image
  • Sizes: .50” x .50” to 12” x 24” (.25” increments)
  • Shapes: Squares, Rectangles and Odd Shapes in .25” increments
  • Heights: .50” to 3.00”
  • Mounting Pins: .25”, .50” or 1.00” spacing
  • Surface Mount: Available for all 50 series CBS
  • Std Material: .015” (,38) pre-tin plated steel
  • Cover Retention: 1.5 - 2.5 lb./linear inch
  • Shielding Effectiveness: up to 60 dB
  • Formed fence and cover - unassembled (F)
  • Assembled fence and cover (A)
  • Flat fence and formed cover (U)
  • Pre-tin plated Phos Bronze (P), Alloy 770 (N)
  • Ventilation holes (SV 15% or DV 30%)
  • Dimples for improved retention (D)
  • 1. Select your style number - “51-CBS”
  • 2. Choose standard options listed above - “51-CBSFNSV”
  • 3. Specify your width in .25” increments from .50” to 12.00” - “51-CBSFNSV-2.5”
  • 4. Specify your length in .25” increments from .50” to 24.00” - “51-CBSFNSV-2.5x4.5”
  • 5. Specify your height from board to inside cover from .50” to 2.00” “51-CBSFNSV-2.5x4.5x.50”

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  • Drawings in figures 1-6 are not to scale; see chart for sizing
  • Standard cover height: .280” (7,11) 50-CBS
  • Other cover heights available, consult factory
  • *52NN-CBS has no v-notches as depicted in fig. 4