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AD4PS-1+
Mini-Circuits
RF PWR DVDR 1MHZ-500MHZ 8SMD
34995 Pcs New Original In Stock
RF Power Divider 1 MHz ~ 500 MHz Isolation (Min) 20dB, 7° Imbalance (Max) 8-SMD, Gull Wing
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5.0 / 5.0
- (375 Ratings)
AD4PS-1+
Product Overview
9832416
DiGi Electronics Part Number
AD4PS-1+-DGManufacturer
Mini-Circuits
AD4PS-1+
Description
RF PWR DVDR 1MHZ-500MHZ 8SMDInventory
34995 Pcs New Original In Stock
RF Power Divider 1 MHz ~ 500 MHz Isolation (Min) 20dB, 7° Imbalance (Max) 8-SMD, Gull Wing
Quantity
Minimum 1
Minimum 1
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AD4PS-1+ Technical Specifications
Category
RF Power Dividers/Splitters
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Insertion Loss
0.8dB
Frequency
1 MHz ~ 500 MHz
Specifications
Isolation (Min) 20dB, 7° Imbalance (Max)
Size / Dimension
0.435" L x 0.310" W x 0.215" H (11.05mm x 7.87mm x 5.46mm)
Package / Case
8-SMD, Gull Wing
Datasheet & Documents
HTML Datasheet
AD4PS-1+-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8548.00.0000
Additional Information
Other Names
3157-AD4PS-1+TR
3157-AD4PS-1+DKR
3157-AD4PS-1+CT
Standard Package
500
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
Every order arrives quickly, and their support team is top-tier.
Dec 02, 2025
DiGi Electronics’ products are designed to withstand the rigors of continuous use in DIY projects.
Dec 02, 2025
DiGi Electronics strikes the perfect balance between quality and price.
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Frequently Asked Questions (FAQ)
What are the key design risks when using the AD4PS-1+ RF power divider in a high-density 5G small-cell RF front-end where board space is limited and thermal management is critical?
The AD4PS-1+ has a compact 8-SMD gull-wing package (11.05mm x 7.87mm), which helps save space, but its proximity to power amplifiers or LNAs in dense layouts can lead to unintended coupling due to limited ground isolation. Ensure a solid ground plane beneath the device and maintain at least 2–3mm spacing from high-power components to mitigate thermal crosstalk. Additionally, while the insertion loss is low (0.8dB), cumulative losses in multi-stage designs may require gain compensation. Always validate thermal performance under worst-case input power (up to 30dBm) using IR imaging or thermal simulation, as localized heating can degrade phase balance over time.
Can the AD4PS-1+ safely replace the older Mini-Circuits ZFSC-2-1W+ in a legacy VHF/UHF receiver splitter without redesigning the matching network or PCB layout?
Direct replacement of ZFSC-2-1W+ with AD4PS-1+ is not recommended without evaluation. While both cover 1–500 MHz and offer similar isolation (~20dB), the AD4PS-1+ uses an 8-SMD gull-wing package versus the ZFSC-2-1W+’s through-hole TO-8 can, requiring PCB re-layout. More critically, the AD4PS-1+ has tighter phase imbalance (max 7° vs. ~10° for ZFSC-2-1W+) and lower insertion loss, which may alter impedance matching in tuned circuits. If replacing, verify return loss at both output ports using a VNA and adjust stub matching if needed—especially in narrowband applications like FM receivers where phase coherence affects demodulation.
How does the AD4PS-1+ perform under sustained high-power conditions in a military comms system operating at 450 MHz with 2W continuous input, and what derating precautions are necessary?
The AD4PS-1+ is rated for up to 2W (33dBm) input power, but sustained operation at this level—especially at 450 MHz in elevated ambient temperatures—requires derating. Mini-Circuits specifies MSL 1 (unlimited floor life), but long-term reliability under high RF stress depends on PCB thermal conductivity. Use thermal vias under the ground pad and a copper-filled heatsinking area to keep junction temperature below 100°C. Monitor for gradual increase in insertion loss (>0.2dB shift after 1,000 hours) as an early failure indicator. For mission-critical systems, consider periodic burn-in testing or selecting a higher-power alternative like the ADP-2-1W+ if duty cycle exceeds 80%.
What integration challenges should I expect when designing the AD4PS-1+ into a phased-array antenna system requiring precise amplitude and phase matching across multiple channels?
In phased arrays, even the AD4PS-1+’s excellent 7° max phase imbalance can accumulate across channels, causing beam-steering errors. To minimize this, populate all dividers from the same tape-and-reel batch to reduce unit-to-unit variation. Use symmetric PCB trace lengths (±0.5mm tolerance) from each output to the next stage (e.g., LNAs or mixers). Avoid right-angle bends near the outputs to prevent impedance discontinuities. Calibrate each channel during production using a vector network analyzer, and consider embedding the AD4PS-1+ early in the signal chain to reduce downstream gain compensation complexity. Also, ensure all ground returns are low-inductance—use multiple vias near pins 2, 5, and 8.
Is the AD4PS-1+ a suitable drop-in alternative to the Marki Microwave PD-0036 in a wideband test fixture for spectrum analysis, and what performance trade-offs should I anticipate?
The AD4PS-1+ can serve as a functional alternative to the Marki PD-0036 in wideband test setups, but with trade-offs. While both cover 1–500 MHz and offer 20dB isolation, the PD-0036 uses a proprietary ceramic substrate for superior amplitude flatness (±0.3dB vs. AD4PS-1+’s typical ±0.5dB), which matters in precision amplitude measurements. The AD4PS-1+’s SMD package enables faster automated assembly but lacks the PD-0036’s hermetic sealing, making it less ideal for humid environments. For lab-grade fixtures, validate amplitude tracking between ports across temperature swings (0–70°C); if variation exceeds 0.4dB, consider adding external calibration or selecting the PD-0036 for critical metrology applications.
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.
AD4PS-1+ CAD Models
Mini-Circuits AD4PS-1+ PCB symbols & footprints
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