David fiber device Ltd
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Fiber coupler, 1x4 port, made in China, 25:25:25:25 split ratio, 250um bare fiber.
The 1x4 port fiber coupler, made in China, plays an important role in many situations like fiber sensor, lab experiment, test equipment.
With auto equipment, we can produce it faster than tradition technology and cut down the cost for achieving a competitive price goal.
Features
Window: single window
Insertion loss : ≤
Directivity: ≥55dB
PDL: ≤0.15dB
Compact size: 3.0x35mm package size
Applications
split the light signal
CATV network
fFTTH system
| Specifications | ||
| Parameters | Unit | Specification |
| Operating wavelength Range | nm | 1550 |
| Insertion loss | dB | 30%≤ 6.0dB, 70%＜2.1dB |
| Polarization Dependent Loss (PDL) | dB | ≤0.15 |
| Coupling ratio | % | 70:30 |
| Packge size | mm | 3.0x35 |
| Directivity | dB | ≥55 |
| Return Loss | dB | ≥50 |
| Power handling(mW) | mW | ≤500 |
| Pigtail length | m | 1m or special |
| Port color | - | 1m or special |
| Tensile Load | N | ≤5 |
| Operating Temperature | C | -5 to +70 |
| Storage Temperature | C | -40 to +85 |
| Remark | ||
| * Above specifications are tested without connector at room temperature With connector, 0.3dB higher for IL & 5dB lower for RL per connector. | ||
Q&A:
Q: What's your Payment terms?
A: We accept TT & Western Union for payment.
Q: How to order a sample?
A: You can contact us directly and tell us your requirements on any of our products.
Q: Could you print our company logo or design on the products?
A: Yes, we can accept your need but we will share the charge with you.
Q: If we decide to move forward with our order what is the next step?
A: You place an order first. Then we will send you PI. After you settle the payment by TT or the Western Union. We will arrange production for you.
Q: What is your normal production lead time for a first order and then for repeat orders?
A: It depends on the product you need. For example, if you purchased a 1550nm fiber circulator for your first order, and then you look for it again, but we will check the material of it and tell you the delivery time.
Q: Do you have warranty policy?
A: Yes, we have. We provide 12 months maintenance warranty.