| Part Number: | ULO | - | TB17 | - | 308 | / | 2.54 | - | 02 | P | - | 4 | 0 | 0 | 0A |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Explanation: |
Brand ULO - Product brand |
Series Code TB17 - 308/2.54 terminal block series |
Model 308 - Rising-clamp PCB terminal block |
Pitch 2.54 - 2.54mm |
Positions 02-24 - 2-24 poles; use a two-digit code |
Position Unit P - Poles |
Color 1 - Gray |
Screw Head 0 - Slot; standard version |
Clamping 0 - Screw down; standard version |
Product Version 0A - Standard product |
The 308/2.54 terminal block provides top screw access and side conductor entry on a 2.54mm pitch. Its single-row housing is 8.5mm high above the seating plane and 6.3mm deep, with one through-hole solder pin per pole.
| Property | Specification |
|---|---|
| Product reference | ULO-TB17-308/2.54 |
| Pitch | 2.54mm |
| Pole count | 2-24 |
| Connection rows | 1 |
| Connection method | Screw-operated rising clamp |
| Protection rating | IP20 |
| Condition | Current | Voltage | Impulse voltage | Conductor range |
|---|---|---|---|---|
| IEC, overvoltage category III, pollution degree 2 | 3A | 180V | 1.5kV | 0.5-1mm² |
| IEC, category III / pollution degree 3; category II / pollution degree 2 | Not specified separately | Not specified | Not specified | Not specified separately |
| UL use group B | 6A | 150V | 26-18AWG | |
| UL use groups C and D | Not specified | Not specified | Not specified separately |
| Property | Specification |
|---|---|
| Solid conductor | 0.5-1mm² |
| Flexible conductor | 0.5-1mm² |
| Flexible conductor with ferrule | 0.5-1mm² |
| Stripping length | 4mm |
| Clamping screw | M1.25 |
| Tightening torque | 0.1N·m |
| Dimension | Value |
|---|---|
| Housing length for N poles | (2.54 × N + 0.43)mm |
| First-to-last pin span | 2.54 × (N−1) mm |
| End-to-pin centre reference | 1.49mm |
| Housing height | 8.5mm |
| Housing depth | 6.3mm |
| Pin cross section | 0.8mm × 0.5mm |
| Solder tail length | 3.5±0.3mm |
| PCB hole diameter | 1.2mm |
| Pin-row offset from indicated housing edge | 3.7mm |
| Component or property | Specification |
|---|---|
| Housing | PA66, material group I, UL94V-0 |
| Screw | Zinc-plated steel |
| Spring contact | Tin-plated brass |
| Clamping block | Nickel-plated brass |
| Operating temperature | -40°C to +105°C |
| Material compliance | RoHS |
The standard ordering format is ULO-TB17-308/2.54-XXP-Y000A, where XX is the pole count from 02 to 24 and Y selects the housing color.
| Field | Selection |
|---|---|
| Model reference | ULO-TB17-308/2.54 |
| XX pole count | 02-24 |
| Y color | 1 gray; 2 blue; 3 black; 4 green; 5 orange; 6 red; 7 transparent; 8 yellow; 9 white |
| Screw head field | 0 slot; 1 cross |
| Screw clamping field | 0 screw down; 1 screw up |
| Final 0A | Standard product |
| Dimension range | Total pitch tolerance | Nominal dimension tolerance |
|---|---|---|
| 0-30mm | ±0.18mm | ±0.20mm |
| >30-53mm | ±0.20mm | ±0.25mm |
| >53-70mm | ±0.25mm | ±0.30mm |
| >70-90mm | ±0.30mm | ±0.35mm |
| >90-115mm | ±0.35mm | ±0.44mm |
| >115-150mm | ±0.44mm | ±0.55mm |
| >150-200mm | ±0.55mm | ±0.70mm |
| >200-250mm | ±0.70mm | ±0.80mm |
| >250-320mm | ±0.75mm | ±0.90mm |
| Geometric property | Range | Tolerance |
|---|---|---|
| Perpendicularity | Up to 10mm | 0.2mm |
| Over 10mm | 0.3mm | |
| Symmetry | All | 0.3mm |
| Straightness | Up to 100mm | 0.2mm |
| Parallelism | 100-150mm | 0.3mm |
| Over 150mm | 0.5mm |
