wire to board connectivity solution featuring 3M 3448-45120 with 1.27mm pitch socket and header assembly
Manufacturer:
3M
Description:
Rectangular Connector Accessories RoHS
Category:
Arrays, Edge Type, Mezzanine (Board to Board)/Rectangular Connector Accessories
Specifications
Mfr. Part #:
3448-45120
Model Number:
3448-45120
Introduction
Product Overview
The 3M Ribbon Cable Socket and Header, 451 and 452 Series, offers a 1.27mm (0.050") pitch solution for wire-to-board connectivity. This series includes the 3M Ribbon Cable Wiremount Socket Assembly, 451 Series, and the 3M Shrouded Boardmount Header Latch and Eject, 452 Series. Designed for reliable performance, these connectors accommodate various cable types and are suitable for applications requiring robust electrical and mechanical integrity. They are tested to meet stringent industry standards for temperature, insulation resistance, current rating, and mechanical stress.
Product Attributes
- Brand: 3M
- Series: 451 Series (Wiremount Socket Assembly), 452 Series (Shrouded Boardmount Header Latch and Eject)
- Pitch: 1.27mm (0.050")
- Socket Insulation Material: Glass filled PBT, 94V-0
- Cover Insulation Material: Glass filled PBT, 94V-0
- Strain Relief Material: Stainless Steel
- Socket Contact Material: BeCu
- Header Insulation Material: Glass filled LCP, 94V-0
- Header Pin Material: Phosphor Bronze
- Agency Listings: Underwriters Laboratories (UL), CUL
Technical Specifications
| Specification | Value/Limit | Units | Requirement/Conditions | Test Standard/Method |
|---|---|---|---|---|
| Temperature Range (EIA) | -65 to +125 | C | ||
| Insulation Resistance | >1 x 109 | at 500 VDC | ||
| Current per EIA-364-70 (4-30 poles) | 0.75 / 1.50 | A | All contacts powered / 6 contacts powered | Method 2, 30C max temp rise |
| Current per EIA-364-70 (32-50 poles) | 0.75 / 1.50 | A | All contacts powered / 6 contacts powered | Method 2, 30C max temp rise |
| UL Ratings (4-50 poles) | Temp: 130 C, Voltage: 125 Vac/Vdc, Current: 1.0 A | File No. E68080 | ||
| CUL Ratings (4-30 poles) | Temp: 130 C, Voltage: 125 Vac/Vdc, Current: 1.0 A | |||
| CUL Ratings (32-50 poles) | Temp: 130 C, Voltage: 125 Vac/Vdc, Current: 0.75 A | |||
| Ratings Voltage | 125 | Vdc/ac (peak) | ||
| Dielectric Withstanding Voltage | 1250 | VDC | 1 minute duration, no disruptive discharge | EIA-364-20 Method A Test Condition I |
| Dielectric Breakdown Voltage | 1250 | VDC | Ramp at 500V/s | EIA-364-20 Method A Test Condition I |
| Low Level Connection Resistance (LLCR) | <10 / <30 | mOhm | Max R per mated interface; <30mOhm for Temp Life, <10mOhm for others | EIA-364-23 |
| Header Pin Retention | 4.5 (MIN) | Newtons/pin | Average/pin | EIA-364-29 |
| Vibration | 3.10 g | (gravitational force) | Random/Swept-sine, no discontinuities >10ns, max R 10 milliohm | EIA-364-28 / IEC-60512-6d-2e-6c |
| Mechanical Shock | 30 g | (gravitational force) | Half-sine, 11ms, no discontinuities >10ns, max R 10 milliohm | EIA-364-27 |
| Durability (Full) | 100 / 25 / 20 | Mating cycles | (30" Au, 4-30p) / (30" Au, 32-50p) / (Flash Au) | EIA-364-13 |
| Mating Force / Contact | 1.25 (MAX) | Newtons/pin | Connector average/pin, without friction bumps | EIA-364-13 Method B |
| Unmating Force / Contact | 0.4 (MIN) | Newtons/pin | Connector average/pin, without friction bumps | EIA-364-18 |
| Plating Thickness (Tin) | 5.08-10.2 (200-400) | m (") | Soldertail | EIA-364-48 Method C |
| Plating Thickness (Nickel) | 1.27-3.81 (50-150) | m (") | EIA-364-48 Method C | |
| Plating Thickness (Gold) | 0.76 min (30) | m (") | ASTM B488-01 Class C Flash / Matte | EIA-364-48 Method C |
| Solderability (Header) | 95% | coverage | of solderable area, as-received hours | EIA-364-52 |
| Temperature Life (Full) | 1008 / 125 | hours / C | No physical abnormalities, 30 milliohm max R | EIA-364-17 Method A Condition 5D |
| Thermal Shock | -65 to +125 | C | No physical abnormalities, 10 milliohm max R | EIA-364-32, Table 2, Condition II |
| Moisture Sensitivity Level (Header) | Level 1 | 260 C, J-STD-020E | ||
| Mixed Flowing Gas | 336 | hours | Durability preconditioning: 50 cycles, Mated with wear, Tested on 30pin, 0.76 m (30 ") gold plating | EIA-364-65B Class IIA |
| Humidity Temperature Cycling | 10 | Days | No physical abnormalities, 10 milliohm max R | EIA-364-31, Method III, Fig 1 |
2411220419_3M-3448-45120_C17262488.pdf
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