615008138021 Vertical THT Modular Jack Unshielded WR-MJ Series
615008138021 Vertical RJ45 Jack Overview:
The 615008138021 is a single-port, 8P8C (8-position, 8-contact) modular jack from the WR-MJ series. It is commonly referred to as an RJ45 connector and is designed for through-hole mounting (THT) in a vertical orientation. This unshielded connector is engineered for reliability in general electronic equipment and data communication systems.
Applications
The WR-MJ series is primarily intended for data communication interfaces. Common applications include:
- Data and Telecommunications
- Local Area Networks (LAN) and Ethernet
- Internet of Things
- Smart Buildings
- General industrial and consumer electronics that require a standard network interface.
Quick Details:
615008138021 Datasheet - Dimensions:
615008138021 Datasheet - Recommended Hole Pattern:
FAQ About 615008138021 Vertical 8P8C Jack
1. What Ethernet speed or category does 615008138021 support?
- Rated as Cat3 (series level)
- Some distributors list Cat5 compatibility (application-dependent)
Engineering interpretation:
- Suitable for 10/100 Mbps Ethernet
- Not recommended for stable Gigabit (1000Base-T) designs
2. What is the mounting type and orientation?
- Mounting: Through-Hole (THT)
- Orientation: Vertical (Top-entry)
- Port: 1×1 single port
✔ Provides strong PCB retention
✔ Ideal for wave soldering processes
3. What are the electrical ratings of 615008138021 Vertical RJ45 Jack ?
From the 615008138021 datasheet:
- Rated Current: 1.5 A
- Working Voltage: 120 VAC
- Contact Resistance: ≤ 20 mΩ
- Insulation Resistance: > 500 MΩ
- Dielectric Withstand: 1000 VAC / 1 min
4. What materials are used in the connector?
- Housing: PBT (UL94-V0 flame rating)
- Contacts: Copper alloy
- Plating: Selective gold plating
✔ Ensures durability and corrosion resistance
5. What is the operating temperature range?
- Operating Temperature: -25°C to +85°C
6. How durable is the connector (mating cycles)?
- Rated durability: 500 mating cycles
Suitable for standard commercial applications
Not ideal for high-cycle industrial plugging
7. What applications is 615008138021 RJ45 jack best suited for?
Recommended:
- Consumer networking devices
- Embedded systems
- Cost-sensitive designs
- Low EMI environments
⚠ Not recommended:
- Industrial Ethernet
- High-speed Gigabit systems
- High EMI environments
- PoE applications
8. Is the 615008138021 RJ45 jack shielded?
No — it is unshielded.
The datasheet and distributor data clearly confirm this connector is without EMI shielding, meaning it does not include a metal shielding can.
This makes it suitable for low-EMI environments but not for noise-sensitive or industrial designs.
9. Does 615008138021 RJ45 jack include magnetics (ICM)?
No — it is a pure connector without magnetics.
- No integrated transformer
- No filtering components
✔ Requires external LAN transformer / PHY-side magnetics in circuit design.
10. Does 615008138021 have built-in LEDs?
No — no LEDs or light pipes included.
- No link/activity indicators
- Requires external LEDs if needed
✔ Advantage: simplifies structure and reduces cost
✔ Trade-off: no visual diagnostics
11. What should engineers pay attention to when using this part?
Key design considerations:
- Add external magnetics (LAN transformer)
- Ensure PCB footprint compatibility
- Evaluate signal integrity for >100Mbps
- Consider EMI shielding at system level
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