| Part Number: | ULO | - | TB25 | - | 166 | / | 5.0 | - | 02 | P | - | 4 | 000A |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Explanation: |
Manufacturer ULO - ULO Electronics |
Series TB25 - Wire protector PCB terminal blocks |
Model 166 - 5.0mm wire protector terminal block |
Pitch 5.0 - 5.0mm |
Poles 02–24 - 2–24 poles, written with two digits |
Pole Unit P - Poles |
Color 1 - Grey |
Customer Code 000A - Fixed customer requirements code shown in the drawing |
TB25-166/5.0 has a single row of side-entry wire connections with stainless-steel wire protection. Raised collars surround the top screw-access openings. The range covers 2–24 poles at 5.0mm pitch and uses rectangular through-hole solder pins.
| Construction parameter | Specification |
|---|---|
| Model | TB25-166/5.0 |
| Pitch | 5.0mm |
| Poles and rows | 2–24 poles; one row |
| Connection method | Screw connection with wire protection |
| Protection level | IP20 |
| Operating temperature | -40°C to +105°C |
| Housing | PA66 |
| Insulation group and flammability | Material group I; UL94V-0 |
| Solder pins | Tin-plated brass |
| Screws | Zinc-plated steel |
| Wire-protection spring | Stainless steel |
| Material compliance | RoHS compliance declared |
The general IEC rating is 22A, 250V. The specified condition is overvoltage category III, pollution degree 2.
| Overvoltage category | Pollution degree | Rated voltage | Rated impulse voltage |
|---|---|---|---|
| III | 3 | Not specified | Not specified |
| 2 | 250V | 4kV | |
| II | Not specified | Not specified |
| UL use group | Rated current | Rated voltage |
|---|---|---|
| B | 15A | 300V |
| C | Not specified | Not specified |
| D | 10A | 300V |
Certificate file numbers are unspecified.
| Wiring parameter | Specification |
|---|---|
| UL conductor range | 22–12AWG |
| Solid conductor | 1.0–2.5mm² |
| Flexible conductor | 1.0–2.5mm² |
| Flexible conductor with ferrule | 1.0–2.5mm² |
| Clamping screw | M2.5 |
| Tightening torque | 0.4N·m |
| Wire stripping length | 7mm |
| Separate fixing screw and torque | Not specified |
| Field | Selection or meaning |
|---|---|
| Series and model | TB25; 166/5.0 |
| Pole field | 02P–24P |
| Colour code | 1 grey; 2 blue; 3 black; 4 green; 5 orange; 6 red; 7 transparent; 8 yellow; 9 white |
| General screw-head field | 0 slot; 1 cross |
| General screw-clamping field | 0 screw down; 1 screw up |
| Standard-product suffix | 0A; the model drawing shows customer suffix 000A after the colour field |
The general legend covers the wider terminal range. Its 02–99 pole field does not extend this model beyond 2–24 poles.
N is the number of poles. The PCB drawing specifies the first-hole end reference on one side; an opposite-end reference is not separately specified.
| Dimension | Value |
|---|---|
| Overall housing length | 5.0mm × N + 1.50mm |
| First-to-last pin span | 5.0mm × (N − 1) |
| Pin pitch | 5.00mm |
| Overall housing height, excluding pins | 12.90mm |
| Lower housing height | 7.90mm |
| Housing depth | 8.30mm |
| Screw-access collar width in side view | 4.80mm |
| Solder-tail projection | 4.60±0.30mm |
| Solder-tail cross-section | 0.70mm × 1.00mm |
| PCB hole diameter | Ø1.50mm |
| First PCB hole to indicated end boundary | 2.54mm |
| Pin row to indicated side boundary | 3.70mm |

Individual dimension tolerances take precedence over these general values.
| Dimension range | Total pitch tolerance | Nominal dimension tolerance |
|---|---|---|
| Over 0mm to 30mm | ±0.18mm | ±0.20mm |
| Over 30mm to 53mm | ±0.20mm | ±0.25mm |
| Over 53mm to 70mm | ±0.25mm | ±0.30mm |
| Over 70mm to 90mm | ±0.30mm | ±0.35mm |
| Over 90mm to 115mm | ±0.35mm | ±0.44mm |
| Over 115mm to 150mm | ±0.44mm | ±0.55mm |
| Over 150mm to 200mm | ±0.55mm | ±0.70mm |
| Over 200mm to 250mm | ±0.70mm | ±0.80mm |
| Over 250mm to 320mm | ±0.75mm | ±0.90mm |
| Geometric characteristic | Applicable dimension | Tolerance |
|---|---|---|
| Perpendicularity | 0–10mm | 0.2mm |
| Over 10mm | 0.3mm | |
| Symmetry | All | 0.3mm |
| Straightness | Over 0mm to 100mm | 0.2mm |
| Parallelism | Over 100mm to 150mm | 0.3mm |
| Over 150mm | 0.5mm |