| Part Number: | ULO | - | PJ520 | - | S | 4 | 0 | B | P | S |
|---|---|---|---|---|---|---|---|---|---|---|
| Explanation: |
Brand ULO - ULO |
Model PJ520 - 4P4C socket with material and ear options |
Connector Type S - Socket |
Contacts 4 - 4P4C |
Plating 0 - Gold flash; both models |
Colour A - Grey |
Material (PJ520) P - PBT; PJ520 |
Ears (PJ520) S - With ears; PJ520 |
ULO-PJ520 and ULO-PJ520A are single-port, unshielded modular sockets with four populated contacts in four housing positions: 4P4C. Both use through-hole PCB terminations, but their contact pitch, body size and locating-hole pattern differ.
| Characteristic | PJ520 | PJ520A |
|---|---|---|
| Contact configuration | 4P4C | 4P4C |
| Insulation resistance | ≥1000MΩ | ≥1000MΩ |
| Dielectric withstand test | 500VAC for 1 minute | 500VAC for 1 minute |
| Mating life | ≥600 cycles | ≥600 cycles |
| Contact resistance | Unspecified | ≤50mΩ |
| Insulator material | PBT or nylon; glass-filled PBT version described | Glass-filled PBT |
| Insulation material group | I | I |
| Material flammability | UL94V-0 or UL94V-2; exact grade-to-polymer assignment unspecified | UL94V-0 |
| Contacts | Copper alloy | Copper alloy |
Working voltage, current rating and operating temperature are unspecified. The dielectric value is a withstand-test condition.
| Field | PJ520 | PJ520A |
|---|---|---|
| Connector type | S: socket | S: socket |
| Contact count | 4: 4P4C | 4: 4P4C |
| Gold flash | 0 | 0 |
| Selective 3µin gold | 3 | 3 |
| Selective 6µin gold | 6 | Thickness offered; exact suffix unspecified |
| Selective 15µin gold | 15 | Thickness offered; exact suffix unspecified |
| Selective 30µin gold | 30 | Thickness offered; exact suffix unspecified |
| Housing colour | A: grey; B: black | A: grey; B: black |
| Housing material code | P: PBT; N: nylon | No material selector in the ordering format |
| Support ears | S: with ears; X: without ears | No ear selector in the ordering format |
The PJ520 ordering sequence is connector type, contact count, plating, colour, material and support-ear option. Its drawing illustrates the version with support ears.
| PJ520 dimension | Value |
|---|---|
| Body width | 10±0.15mm |
| Body depth | 13±0.15mm |
| Body height | 14.5±0.15mm |
| Contact pitch / full four-contact span | 1.02mm / 3.06mm |
| Contact holes | 4 × Ø0.78mm |
| PCB contact-row spacing | 2.54mm |
| Locating holes / centre spacing | 2 × Ø2.36mm / 10mm |
| Contact-row-to-locating-line offset | 2.3mm |
| Tail diameter / projection | Ø0.45mm / 3.5±0.3mm |
| Section tail references | 2.3±0.1mm and 2.54±0.1mm |
| Locating-line-to-body-end reference | 6mm |
| Recommended PCB tolerance | ±0.05mm |
The PJ520A ordering sequence is connector type, contact count, plating and colour. Its 1.27mm contact pitch and 7.62mm locating-centre spacing require the PJ520A footprint.
| PJ520A dimension | Value |
|---|---|
| Body width / depth / height | 11.18mm / 18mm / 11.65mm |
| Contact pitch / full four-contact span | 1.27mm / 3.81mm |
| Contact holes | 4 × Ø0.90mm |
| PCB contact-row spacing | 2.54mm |
| Locating holes / centre spacing | 2 × Ø3.20mm / 7.62mm |
| Contact-row-to-locating-line reference | 8.89mm |
| Tail and locating-feature projection references | 3.30mm |
| Contact-face / contact-length references | 7.85mm / 8.21mm |
| Section opening-depth reference | 6.75mm |
| Locating-line-to-body-end reference | 7.88mm |
| Recommended PCB tolerance | ±0.05mm |
