Belden 1857A B59, RG 59 U Type Coax 22 AWG PVC Black Matte

Description
Belden 1857A B59 is a flexible Triax RG59 coax for analog video and camera-to-CCU interconnect applications. It features a 22 AWG (19x34) BC - Bare Copper conductor with PE - Polyethylene (Foam) insulation and dual 95% Bare Copper braid shields. The construction includes a PE - Polyethylene inner jacket and a PVC - Polyvinyl Chloride outer jacket, with a nominal overall diameter of 0.360 in (9.14 mm). Electrical performance includes 75 Ohm impedance, 77% velocity of propagation, 300 V, and return loss ratings up to 3000 MHz.
Belden 1857A B59 Key Features
- Flexible Triax RG59 coax design for analog video and camera-to-CCU interconnect applications.
- 22 AWG (19x34) BC - Bare Copper conductor for signal transmission.
- PE - Polyethylene (Foam) insulation with White color code.
- Dual braid shields: inner shield (Bare Copper (BC), 95% (Layer 1)) and outer shield (Bare Copper (BC), 95% (Layer 1)).
- Jacket system includes a PE - Polyethylene inner jacket and a PVC - Polyvinyl Chloride outer jacket.
- Nom. characteristic impedance: 75 Ohm; nom. velocity of prop.: 77%; voltage rating: 300 V.
Belden 1857A B59 Applications
- Use it for analog video signal connections where a Triax RG59 coax is specified.
- Connect a camera to a CCU (camera control unit) for interconnect runs.
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Specifications
| Attribute | Value |
|---|---|
| Cable type | Triax |
| RG type | 59 |
| Conductor nominal diameter | 0.031 in |
| Insulation diameter (nom.) | 0.143 in (3.63 mm) |
| Inner jacket diameter (nom.) | 0.216 in (5.49 mm) |
| Outer jacket diameter (nom.) | 0.360 in (9.14 mm) |
| Overall cable diameter (nom.) | 0.360 in (9.14 mm) |
| Bulk cable weight | 79 lbs/1000ft |
| Nom. capacitance (Cond-to-Shield) | 17.0 pF/ft (55.8 pF/m) |
| Nom. conductor DCR | 14.0 Ohm/1000ft |
| Nom. inner shield DCR | 2.5 Ohm/1000ft (8.2 Ohm/km) |
| Nom. outer shield DCR | 1.6 Ohm/1000ft (5.2 Ohm/km) |
| Return loss (min.) | 5 - 850 MHz: 21 dB (Min. Return Loss); 850 - 3000 MHz: 15 dB (Min. Return Loss) |
| Attenuation (nom.) | 1 MHz: 0.30 dB/100ft; 3.6 MHz: 0.50 dB/100ft; 10 MHz: 0.80 dB/100ft; 71.5 MHz: 2.20 dB/100ft; 135 MHz: 3.10 dB/100ft; 270 MHz: 4.50 dB/100ft; 360 MHz: 5.40 dB/100ft; 540 MHz: 6.80 dB/100ft; 720 MHz: 8.10 dB/100ft; 750 MHz: 8.40 dB/100ft; 1000 MHz: 10.10 dB/100ft; 1500 MHz: 13.30 dB/100ft; 2250 MHz: 17.60 dB/100ft; 3000 MHz: 21.40 dB/100ft |
| Operating temperature | -50°C to +80°C |
| Bend radius (installation min.) | 3.6 in (91 mm) |
| Max Pull Tension | 102 lbs (46.3 kg) |
| Environmental suitability | Indoor/Outdoor, Indoor, Aerial - When supported by messenger Wire |
| Sustainability | CA Prop 65 |
| CPR compliance | CPR Euroclass: Eca |
| European directive compliance | EU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), REACH, 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) |
| Item Type | Belden Coaxial Cable |
| Other Part Numbers | 1857A B59, 1857A B59100, 1857A B59250, 1857A B59500, 1857A B591000 |
| Priced Per | FT |
Documents
Images are for reference only. Specifications may change without notice — verify suitability for your application before purchase. The manufacturer's documentation controls.
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