CBD/CBM/CBC/CBDP Series
Materials and Finishes
| Insulator: | Glass-filled polyester per MIL-M-24519, UL 94V-0 blue color |
|---|---|
| Shells: | Steel or brass with tin plate; or steel with zinc plate and chromate seal; or stainless steel passivated. Other materials and finishes available upon request |
| Mounting Brackets And Spacers: | Nylon; copper alloy or steel with zinc plate and chromate seal or tin plate; phosphor bronze with tin plate; stainless steel, passivated. |
| Push-On Fasteners: | Phosphor bronze and beryllium copper with tin plate |
| Jackscrew Systems: | Brass or steel with zinc plate and chromate seal or clear zinc plate or tin plate; stainless steel, passivated. |
| Hoods: | Composite and plastic, UL 94V-0; brass or steel with zinc plate and chromate seal. Aluminum; aluminum with electroless nickel plate; aluminum with yellow anodize; aluminum with yellow chromate conversion. For aluminum hoods, zinc content is 1% maximum. Die cast zinc. |
| Contacts: | Precision machined copper alloy |
| Environmental Initiatives | |
Thermocouple contacts - crimp and PCB mount:
| Type | Material | Color Code |
|---|---|---|
| K | Chromel (+) | White |
| Alumel (-) | Green | |
| T | Copper (+) | Red |
| Constantan (-) | Yellow | |
| E | Chromel (+) | White |
| Constantan (-) | Yellow |
| Contact Plating: | |
|---|---|
| Signal: | CBD/CBM/CBC: Gold flash over nickel plate and gold 0.000050 (1.27 µ) over nickel plate. CBDP: Gold flash over nickel plate. Other finishes available upon request. |
| Power: | Gold flash over nickel. Other finishes available upon request. |
| Shielded: | Inner Contacts: Gold 0.000030 (0.76 µ) over nickel plate. Outer Contacts: Gold flash over nickel plate. Other finishes available upon request. |
| High Voltage: | Gold 0.000030 (0.76 µ) over nickel plate. Other finishes available upon request. |
Non-magnetic versions are available, contact Technical Sales
Electrical Characteristics
| Size 20 Contacts: | |
|---|---|
| Contact current rating: | 7.5 amperes nominal |
| Initial contact resistance: | 0.008 ohms maximum |
| Proof voltage: | 1000 V r.m.s. |
Size 8 Contact Current Ratings
| Power, per UL 1977: | |
|---|---|
| Standard Contact Material: | 0.078 inches diameter / 12 AWG terminations: 39 amperes. 0.094 inches diameter / 10 AWG terminations: 50 amperes. 0.125 inches diameter / 8 AWG terminations: 70 amperes. See temperature rise curves for details. |
| High Conductivity Contact Material: | 8 AWG terminations: 80 amperes. See temperature rise curves for details. |
| Press-fit Terminations: | See temperature rise curves for details. |
| Shielded and High Voltage: | See temperature rise curves for details. |
| Size 6 AWG: | 100 amperes. See temperature rise curves for details. |
| See Temperature Rise Curves | |
| Power Contacts: | |
|---|---|
| Initial contact resistance: | Standard contact material: 0.0005 ohms max. per IEC 512-2, Test 2b High conductivity contact material: 0.00035 ohms max. per IEC 512-2, Test 2b |
| Proof voltage: | 1000 V r.m.s. |
| Shielded Contacts: | |
| Initial contact resistance: | 0.008 ohms maximum |
| Nominal impedence: | 50 ohms |
| Insertion loss: | -0.46 dB at 1 GHz; -1.5 dB at 2 GHz |
| VSWR: | 1.15 avg at 1 GHz; 1.56 avg at 2 GHz* *Values measured using frequency domain techniques |
| Proof Voltage: | 1000 V r.m.s. |
| High Voltage Contacts: | |
| Flash over voltage: | 3600 V r.m.s. |
| Proof voltage: | 2700 V r.m.s. |
| Initial contact resistance: | 0.008 ohms maximum |
| Connector: | |
| Insulation resistance: | 5 G ohms |
| Clearance/creepage distance: | 0.039 inch [1.0 mm] minimum |
| Working voltage: | 300 V r.m.s. |
Mechanical Characteristics
| Signal Contacts: | |
|---|---|
| Male: | Size 20. 0.040 inch [1.02 mm] diameter. |
| Female: | CBD: Size 20. Open entry design. PosiBand closed entry options are also available. CBM/CBDP: Size 20. PosiBand closed entry design. CBC: Size 20. Robi-D open entry or PosiBand closed entry design. |
| Power Contacts: | Size 8 contacts. Male – 0.142 inch [3.61 mm] mating diameter. CBD/CBM/CBC: Female contact features Large Surface Area (LSA) closed entry contact design utilizing BeCu mechanical retention member. CBC: Closed crimp barrel CBDP: Female – open entry and closed entry options |
| Contact Retention in Insulator: | Signal: 9 lbs. [40N] Power, shielded, high voltage: 22 lbs [98N] |
| Resistance to Solder Iron Heat: | CBD/CBM: 500° F [260° C] for 10 seconds duration per IEC 512-6 |
Contact Terminations:
| Signal Contacts: | |
|---|---|
| Solder cup contacts: | CBD/CBM: 0.042 inch [1.06 mm] minimum hole diameter for 20 AWG [0.5 mm²] wire maximum |
| Straight printed board mount: | CBD/CBM: 0.028 inch [0.71 mm] termination diameter |
| Right angle (90°) printed board mount: | 0.028 inch [0.71 mm] termination diameter; supported by alignment bar in CBDP |
| Crimp: | CBC: Closed barrel crimp, wire sizes 18 AWG [1.0mm²] through 30 AWG [0.05 mm²] |
| Power Contacts: | |
| Removable, Crimp or Solder: | CBD/CBM/CBC: Terminations for 6, 8, 10, 12 and 16 AWG. |
| Printed Board Mount: | CBD/CBM/CBC: Printed board terminations with 0.078 inch [1.98 mm], 0.094 inch [2.39 mm] and 0.125 inch [3.18 mm] termination diameters. CBDP: Right angle (90°) printed board mount terminations with 0.078 inch [1.98 mm] diameter |
| Shielded Contacts, Removable: | See table of maximum cable sizes for contact termination dimensions |
| High Voltage Contacts: | Straight and right angle (90°) terminations – 0.041 inch [1.04 mm] minimum hole diameter |
| Shells: | Male shells may be dimpled for EMI/ESD ground paths. |
|---|---|
| Polarization: | Trapezoidally shaped shells and polarized jackscrews |
| Mounting to Angle Brackets: | Jackscrews, riveted fasteners with 0.120 inch [3.05 mm] diameter hole, threaded riveted fasteners with 4-40 threads, or 4-40 threads with nylon inserts |
| Mounting to Printed Board: | Rapid installation push-on fasteners. Threaded posts as well for CBD/CBM/CBC. |
| Locking Systems: | Jackscrews and vibration locking system for either front or rear panel mounted connectors. |
| Mechanical Operations: | Open entry contacts: 500 operations PosiBand closed entry contacts: 1,000 operations Per IEC 512-5 |
Climatic Characteristics
| Temperature Range: | -55°C to +125°C |
|---|---|
| Damp Heat, Steady State: | 10 days |
