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WP4S+
Mini-Circuits
RF PWR DVDR 3.4GHZ-4.6GHZ 12VQFN
1802 Pcs New Original In Stock
RF Power Divider 3.4 GHz ~ 4.6 GHz Isolation (Min) 16dB, 1.5 VSWR (Typ), 9° Imbalance (Max) 12-VQFN Exposed Pad
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5.0 / 5.0
- (305 Ratings)
WP4S+
Product Overview
9833611
DiGi Electronics Part Number
WP4S+-DGManufacturer
Mini-Circuits
WP4S+
Description
RF PWR DVDR 3.4GHZ-4.6GHZ 12VQFNInventory
1802 Pcs New Original In Stock
RF Power Divider 3.4 GHz ~ 4.6 GHz Isolation (Min) 16dB, 1.5 VSWR (Typ), 9° Imbalance (Max) 12-VQFN Exposed Pad
Quantity
Minimum 1
Minimum 1
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WP4S+ Technical Specifications
Category
RF Power Dividers/Splitters
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Insertion Loss
0.8dB
Frequency
3.4 GHz ~ 4.6 GHz
Specifications
Isolation (Min) 16dB, 1.5 VSWR (Typ), 9° Imbalance (Max)
Size / Dimension
0.118" L x 0.118" W x 0.039" H (3.00mm x 3.00mm x 0.99mm)
Package / Case
12-VQFN Exposed Pad
Datasheet & Documents
Datasheets
Download WP4S+ Product Specification (PDF)
HTML Datasheet
WP4S+-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8548.00.0000
Additional Information
Other Names
3157-WP4S+TR
3157-WP4S+DKR
3157-WP4S+CT
Standard Package
500
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
친절한 상담과 빠른 응대로 많은 도움을 받았습니다. 앞으로도 계속 이용하고 싶어요.
de desembre 02, 2025
디지의 포장재는 모두 자연 분해가 가능해서 환경에 부담이 덜 가는 것 같아 믿음이 가요.
de desembre 02, 2025
The support staff is knowledgeable and courteous, providing excellent after-purchase help.
de desembre 02, 2025
Consistently high quality and fast shipping—definitely my go-to brand.
de desembre 02, 2025
I am impressed with how quickly Di Digi Electronics responds to post-purchase inquiries.
de desembre 02, 2025
Exceptional customer care paired with swift shipping makes me a loyal customer.
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Frequently Asked Questions (FAQ)
Can the WP4S+ power divider safely replace the Skyworks SKY13322-375LF in a 4 GHz phased array antenna system without requiring PCB layout changes?
The WP4S+ and SKY13322-375LF both operate in the 3.4–4.6 GHz range and offer similar isolation (~16 dB), but the WP4S+ comes in a 3 mm × 3 mm 12-VQFN package versus the SKY13322-375LF’s 2 mm × 2 mm DFN. Due to differences in pinout, pad geometry, and thermal pad configuration, a direct drop-in replacement is not feasible without modifying the PCB footprint. Additionally, the WP4S+ has a slightly higher insertion loss (0.8 dB typical) compared to the Skyworks part (~0.5 dB), which may impact system noise figure—evaluate link budget margins before substitution.
What are the key thermal and soldering risks when integrating the WP4S+ into a high-power RF front-end operating near 4.5 GHz with 10 dBm input per port?
The WP4S+ features an exposed thermal pad in its 12-VQFN package, which must be soldered to a grounded copper pour for optimal heat dissipation and RF performance. Inadequate thermal vias or poor solder coverage can lead to localized heating, increasing insertion loss drift and degrading isolation over time. Given its MSL 1 rating, the device is not moisture-sensitive, but reflow profiling must stay within Mini-Circuits’ recommended peak temperature of 260°C to avoid delamination. For sustained high-power operation, ensure the PCB’s thermal resistance is <50°C/W to maintain junction temperature below 125°C.
How does the phase imbalance of the WP4S+ affect beamforming accuracy in a 4-element MIMO system, and is 9° max imbalance acceptable for ±30° steering angles?
With a maximum phase imbalance of 9°, the WP4S+ introduces non-negligible phase error across its output ports, especially at the band edges (3.4 GHz and 4.6 GHz). In a 4-element MIMO array steering to ±30°, this can cause beam squint and sidelobe degradation—simulations show up to 1.5 dB gain reduction at extreme angles. If your system requires tighter phase coherence (<3° imbalance), consider active calibration or select a higher-precision divider like the Anaren 2D13S244L5A. However, for moderate steering ranges or non-critical applications, the WP4S+ remains viable with digital predistortion compensation.
Is the WP4S+ suitable for use in a 5G n77/n78 band small-cell base station where long-term reliability under temperature cycling (-40°C to +85°C) is critical?
Yes, but with caveats. The WP4S+ is RoHS3 compliant and rated for industrial temperature ranges, and its ceramic-enhanced QFN construction provides good mechanical stability. However, Mini-Circuits does not publish accelerated life test data (e.g., HTOL or TCT) for this part, unlike some military-grade alternatives. For mission-critical base stations, validate field reliability through your own environmental stress screening. Also, ensure the PCB material (e.g., Rogers 4350B) has a CTE match to minimize solder joint fatigue during thermal cycling—mismatched expansion can degrade the exposed pad connection over time.
Can I cascade two WP4S+ units to create a 1-to-4 power divider without exceeding acceptable VSWR and isolation degradation in a 4.2 GHz test setup?
Cascading two WP4S+ dividers to form a 1-to-4 tree is possible, but cumulative insertion loss will approach 1.6–2.0 dB (including interconnect losses), and port-to-port isolation may drop below 12 dB due to mutual coupling between adjacent outputs on separate packages. The overall VSWR could exceed 1.8:1 if impedance mismatches compound at junctions. To mitigate this, insert 50 Ω transmission lines with controlled length matching (<5 mm skew) and use grounded coplanar waveguide routing. For better performance, consider a monolithic 1-to-4 divider like the Marki Microwave PD-0046 instead, which maintains >18 dB isolation across all ports.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
WP4S+ CAD Models
Mini-Circuits WP4S+ PCB symbols & footprints
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