| Part Number: | ULO | - | DB423 | - | 15 | M | B | T | 8 | S | S |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Explanation: |
Brand ULO - ULO |
Model DB423 - High-density D-sub solder connector |
Contacts 15 - 15 contacts |
Connector Type M - Male |
Colour B - Black |
Shell Plating T - Front and back shells tin plated |
Contact Plating 8 - Full gold flash |
Screw Type S - Standard without nut |
Screw Dimension A S - Standard without nut |
ULO-DB423 provides high-density D-sub interfaces with solder terminations. Select 15, 26, 44, 62 or 78 contacts, a male or female interface, and the required mounting hardware. The front views depict the three-row 15-contact arrangement; use the selected contact-count dimensions when sizing the interface.
| Characteristic | DB423 |
|---|---|
| Insulation resistance | ≥1000MΩ |
| Contact impedance | ≤20mΩ |
| Dielectric withstand test | 500VAC for 1 minute |
| Operating temperature | -45°C to +105°C |
| Insulation material | Thermoplastic, material group I |
| Material flammability grade | UL94V-0 |
| Contact material | Copper alloy |
| Shell material | Steel |
Rated working voltage, current and wire-size limits are unspecified. The 500VAC value is a one-minute dielectric test condition.
| Field | Code | Selection |
|---|---|---|
| Contact count | 15 / 26 / 44 / 62 / 78 | 15 / 26 / 44 / 62 / 78 contacts respectively |
| Interface | M / F | Male / female |
| Insulator colour | B / W / U | Black / white / blue |
| Shell plating | T | Tin front and back shells |
| Shell plating | N | Nickel front shell, tin back shell |
| Contact plating | 8 | Full gold flash |
| Contact plating | Si | Selective gold flash |
| Screw type | S / 1 / 2 | Standard without nut / CC / CS |
| Screw dimension A | S | Standard without nut |
| Screw dimension A | 1 / 2 / 3 / 4 / 5 / 6 | 3.00mm / 4.00mm / 4.50mm / 5.00mm / 5.50mm / 5.80mm |
Dimensions are in millimetres. A is the male mating width, B the mounting-centre distance, C the overall flange length, D the female mating width and E the indicated contact pitch. The screw-height A in the hardware views is a separate reference from mating-width A in this table.
| Contacts | A ±0.2 | B ±0.2 | C ±0.3 | D | E ±0.1 |
|---|---|---|---|---|---|
| 15 | 17.90 | 24.99 | 30.80 | 16.33 | 2.29 |
| 26 | 26.50 | 33.32 | 39.14 | 24.66 | 2.29 |
| 44 | 40.00 | 47.04 | 53.04 | 38.38 | 2.29 |
| 62 | 56.50 | 63.50 | 69.32 | 54.84 | 2.14 |
| 78 | 54.30 | 61.00 | 67.04 | 52.34 | 2.14 |
The illustrated male and female front views show 9.20mm and 7.90mm mating-height references respectively, a 12.50mm flange height and a 3.96mm contact-row span. The side views distinguish the male and female solder-tail profiles and show the standard, CC and CS hardware forms.
