Serial Digital Coax, Sub-miniature, #25 Stranded BC, CMR
25 AWG stranded (19x37) .021" bare copper conductor, gas-injected foam HDPE insulation, Duofoil®; tinned copper braid shield (95% coverage), PVC jacket.
- Availability
- Global
- Status
- Active
- Orderable items
- 1
Part numbers
1865A is a product family. Each item number below is a separate orderable part — colour, put-up and length differ.
| Item # | Color | Putup Type | Length | UPC | Footnote | Order |
|---|---|---|---|---|---|---|
| 1865A 0101000 | Black | Reel | 1,000 ft | 612825358435 | C | Order online |
Specifications
Construction Details
| RG Type | Sub-miniature 59 |
|---|---|
| Insulation Table Notes | Gas Injected |
Conductor
| Size | 25 |
|---|---|
| Stranding | 19x37 |
| Nom. Diameter | 0.021 in |
| Material | BC - Bare Copper |
Insulation
| Material | PE - Polyethylene (Foam) |
|---|---|
| Nom. Insulation Diameter | 0.094 in (2.4 mm) |
Outer Shield
| Layer | Outer Shield Type | Material | Material Trade Name | Coverage |
|---|---|---|---|---|
| 1 | Tape | Tri-Laminate (Alum+Poly+Alum) | Duofoil® | 100% |
| 2 | Braid | Tinned Copper (TC) | 95% |
Outer Jacket
| Material | PVC - Polyvinyl Chloride |
|---|---|
| Nom. Diameter | 0.15 in |
Electrical Characteristics
Return Loss
| Frequency | Min. Return Loss |
|---|---|
| 5-850 MHz | 21 dB |
| 850-3000 MHz | 18 dB |
Attenuation
| Frequency | Nom. Attenuation |
|---|---|
| 1 MHz | 0.47 dB/100ft |
| 3.58 MHz | 1 dB/100ft |
| 5 MHz | 1.1 dB/100ft |
| 7 MHz | 1.3 dB/100ft |
| 10 MHz | 1.6 dB/100ft |
| 67.5 MHz | 3.6 dB/100ft |
| 71.5 MHz | 3.7 dB/100ft |
| 88.5 MHz | 4.1 dB/100ft |
| 100 MHz | 4.4 dB/100ft |
| 135 MHz | 5 dB/100ft |
| 143 MHz | 5.1 dB/100ft |
| 180 MHz | 5.8 dB/100ft |
| 270 MHz | 7.1 dB/100ft |
| 360 MHz | 8.2 dB/100ft |
| 540 MHz | 10.1 dB/100ft |
| 720 MHz | 11.8 dB/100ft |
| 750 MHz | 12 dB/100ft |
| 1000 MHz | 13.9 dB/100ft |
| 1500 MHz | 17 dB/100ft |
| 2000 MHz | 19.6 dB/100ft |
| 2250 MHz | 20.8 dB/100ft |
| 3000 MHz | 24 dB/100ft |
Electricals
| Nom. Conductor DCR | 27.4 Ohm/1000ft (89.9 Ohm/km) |
|---|---|
| Nom. Outer Shield DCR | 5.4 Ohm/1000ft (18 Ohm/km) |
| Nom. Capacitance Cond-to-Shield | 16.5 pF/ft (54.1 pF/m) |
| Nom. Characteristic Impedance | 75 Ohm |
| Nom. Velocity of Prop. | 82% |
Voltage
| UL Voltage Rating | 300 V RMS |
|---|
Mechanical Characteristics
| Max. Pull Tension | 27 lbs (12 kg) |
|---|---|
| Bulk Cable Weight | 14 lbs/1000ft (21 kg/km) |
Temperature
| UL Temperature | 75°C |
|---|---|
| Operating | -30°C To +75°C |
Standards and Compliance
| Environmental Suitability | Indoor - Riser, Indoor |
|---|---|
| Flammability / Reaction to Fire | UL1666 Vertical Shaft |
| CPR Compliance | CPR Euroclass: Eca; CPR UKCA Class: Eca |
| NEC / UL Compliance | CMR |
| CEC / C(UL) Compliance | CMG. |
| European Directive Compliance | EU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE) |
| UK Regulation Compliance | UKCA Mark |
| APAC Compliance | China RoHS II (GB/T 26572-2011) |
History
| Update and Revision | Revision Number: 0.428 Revision Date: 05-27-2026 |
|---|---|
| Footnote | C - CRATE REEL PUT-UP. |
Resources
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