wire to board interconnection solution featuring 3M 3448-45114 with 1.27mm pitch and durable materials
Product Overview
The 3M Ribbon Cable Socket and Header, 451 and 452 Series, offers a reliable wire-to-board interconnection solution with a 1.27mm (0.050") pitch. Designed for demanding applications, these assemblies feature robust construction with glass-filled PBT and LCP insulation, BeCu and Phosphor Bronze contacts, and various plating options including nickel, gold, and tin. They are engineered to meet stringent electrical and mechanical performance requirements, ensuring signal integrity and durability in a wide operating temperature range.
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
- Origin: USA (implied by address)
Technical Specifications
| Specification | Value | Units | Conditions/Notes |
|---|---|---|---|
| Temperature Range (EIA) | -65 to +125 | C | |
| Insulation Resistance | >1 x 109 | at 500 VDC | |
| Current Rating (4-30 poles, all contacts powered) | 0.75 | A | 30C max temperature rise (EIA-364-070 Method 2) |
| Current Rating (4-30 poles, 6 contacts powered) | 1.50 | A | 30C max temperature rise (EIA-364-070 Method 2) |
| Current Rating (32-50 poles, all contacts powered) | 0.75 | A | 30C max temperature rise (EIA-364-070 Method 2) |
| Current Rating (32-50 poles, 6 contacts powered) | 1.50 | A | 30C max temperature rise (EIA-364-070 Method 2) |
| UL Ratings (4-50 poles) | 130 C, 125 Vac/Vdc, 1.0 A | ||
| CUL Ratings (4-30 poles) | 130 C, 125 Vac/Vdc, 1.0 A | ||
| CUL Ratings (32-50 poles) | 130 C, 125 Vac/Vdc, 0.75 A | ||
| Operating Voltage | 125 | Vdc/ac (peak) | |
| Dielectric Withstanding Voltage | 1250 | VDC | 1 min 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 or <30 | mOhm | Max R per mated interface (varies by test) (EIA-364-23) |
| Header Pin Retention | 4.5 (MIN) | N | Average/pin (EIA-364-29) |
| Vibration | 3.10 | g | Random or Swept-sine, no discontinuities >10ns, max 10mOhm R (EIA-364-28 / IEC-60512-6d-2e-6c) |
| Mechanical Shock | 30 | g | Half-sine, 11ms, no discontinuities >10ns, max 10mOhm R (EIA-364-27) |
| Durability (Full) | 100 (30" Au, 4-30p) / 25 (30" Au, 32-50p) / 20 (Flash Au) | Mating cycles | Max 10mOhm R (EIA-364-13) |
| Durability (Preconditioning) | 50 (4-30p) / 25 (32-50p) | Mating cycles | (30" Au only) (EIA-364-13) |
| Mating Force / Contact | 1.25 (MAX) | N | Connector average/pin, without friction bumps (EIA-364-13 Method B) |
| Unmating Force / Contact | 0.4 (MIN) | N | Connector average/pin, without friction bumps (EIA-364-18) |
| Plating Thickness (Nickel) | 1.27-3.81 (50-150) | m (") | (ASTM B689-97, SAE AMS-QQ-N-290) (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) |
| Plating Thickness (Tin) | 5.08-10.2 (200-400) | m (") | Soldertail (EIA-364-48 Method C) |
| Solderability (Header) | 95% coverage | As-received hours, no steam age (EIA-364-52) | |
| Temperature Life (Full) | 1008 | hours at 125C | No physical abnormalities, max 30mOhm R (EIA-364-17 Method A Condition 5D) |
| Thermal Shock | -65 to +125 | C | No physical abnormalities, max 10mOhm R (EIA-364-32, Table 2, Condition II) |
| Moisture Sensitivity Level (Header) | Level 1 (MSL1) | (J-STD-020E) | |
| Mixed Flowing Gas | 336 | hours | Tested on 30pin, 0.76 m (30 ") plating (EIA-364-65B Class IIA) |
| Humidity Temperature Cycling | 10 | Days | No physical abnormalities, max 10mOhm R (EIA-364-31, Method III) |
| Cable Accommodation | 30 AWG, 0.025" pitch, stranded or solid conductor, flat cable, PVC, TPE, FEP, PO insulation | Compatible with various 3M Ribbon Cables (e.g., 3754, 3447, 3756, 3749, 3609, 3604, HF447, 7700 Series) |
2411220419_3M-3448-45114_C17477793.pdf