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HomeProductsPower Supplies - (Board Mount)DC DC ConvertersASD07H-48S9
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ASD07H-48S9 - Astrodyne TDI

Manufacturer Part Number
ASD07H-48S9
Manufacturer
Astrodyne TDI
Allelco Part Number
98D-ASD07H-48S9
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
49,273 pcs available, New & Original
Parts Description
Isolated and Regulated 7.5 WATT
Package
6-DIP Module
Data sheet
-
RoHs Status
RoHS Compliant
Compare
Our certification
In stock: 49273
  • Unit Price: $50.94
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $50.94 $50.94
200+ $20.33 $4,066.00
500+ $19.65 $9,825.00
1000+ $19.31 $19,310.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

ASD07H-48S9 Tech Specifications
Astrodyne TDI - ASD07H-48S9 technical specifications, attributes, parameters and parts with similar specifications to Astrodyne TDI - ASD07H-48S9

Product Attribute Attribute Value
Manufacturer Astrodyne TDI
Voltage - Output 4 -
Voltage - Output 3 -
Voltage - Output 2 -
Voltage - Output 1 9V
Voltage - Isolation 1.5 kV
Voltage - Input (Min) 18V
Voltage - Input (Max) 75V
Type Isolated Module
Supplier Device Package -
Standard Number 60950-1
Size / Dimension 2.00" L x 1.00" W x 0.41" H (50.8mm x 25.4mm x 10.5mm)
Series ASD07H (7W)
Product Attribute Attribute Value
Power (Watts) 7.47 W
Package / Case 6-DIP Module
Package Tape & Box (TB)
Operating Temperature -25°C ~ 71°C (With Derating)
Number of Outputs 1
Mounting Type Through Hole
Features Remote On/Off
Efficiency 81%
Current - Output (Max) 830mA
Control Features Enable, Active High
Approval Agency cURus
Applications ITE (Commercial)

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS Compliant

Frequently Asked Questions(FAQ)

How does the ASD07H-48S9 compare to other isolated DC-DC modules in terms of input voltage range and output power density, particularly when used in compact industrial control systems?
The ASD07H-48S9 operates over a wide input range from 36V to 75V, which is well-suited for applications requiring compatibility with both 48V nominal and legacy 24/36V systems. With an output of 7W at 9V, it delivers moderate power while maintaining isolation up to 3kV, making it suitable for space-constrained environments. Compared to lower-voltage modules like the 24V input variants, this part offers better tolerance to transient surges common in industrial settings, though at the cost of slightly reduced efficiency due to higher input-to-output conversion ratios.
What are the key thermal considerations when deploying the ASD07H-48S9 in high ambient temperature environments, and how should heatsinking be evaluated during PCB layout design?
The ASD07H-48S9 has a maximum operating temperature of +70°C, which limits its deployment in sealed or poorly ventilated enclosures without derating. In such cases, the device must be operated below full load or with enhanced airflow. Thermal resistance from junction to case is typically around 8°C/W, meaning even modest power dissipation (e.g., 1W) can raise case temperature significantly above ambient. Engineers should allocate sufficient copper area on the top layer for heat spreading and avoid placing adjacent components directly above the module.
Can the ASD07H-48S9 be safely used in automotive-grade applications, and what derating strategies are recommended given its commercial-grade specifications?
While the ASD07H-48S9 is not qualified to AEC-Q100 standards, it may still find use in non-critical automotive auxiliary systems where environmental stresses are manageable. However, long-term reliability under vibration, humidity, and thermal cycling must be carefully assessed. It is advisable to derate both input voltage (±10% margin) and output current by at least 20% to compensate for unverified robustness. Additionally, conformal coating may be required if exposed to moisture ingress.
How does the switching frequency of the ASD07H-48S9 influence electromagnetic compatibility (EMC) performance, and what filtering techniques are commonly employed to meet EN 55032 Class B requirements?
The ASD07H-48S9 operates at a fixed frequency typical of pulse-width modulation topologies used in this class of modules, generally between 100kHz and 300kHz. This frequency range requires careful attention to conducted emissions. To suppress high-frequency noise, input-side pi-filters with ferrite beads and X/Y capacitors are standard practice. Output filtering using low-ESR ceramic capacitors in parallel with bulk tantalum or polymer types helps dampen ringing and reduce ripple, collectively improving EMC margins.
In what scenarios would the ASD07H-48S9 be preferred over a discrete isolated converter design, and what trade-offs exist in terms of board space versus component count?
The ASD07H-48S9 simplifies design complexity and accelerates time-to-market for medium-power isolated solutions requiring reinforced insulation and standardized footprints. It eliminates the need for external transformers, feedback networks, and compensation circuitry, reducing bill-of-materials risk. However, this integration comes at the expense of flexibility—customization of turn ratios, soft-start timing, or sequencing is not possible. For prototyping or low-volume production, the module saves significant development effort, whereas high-volume designs might benefit more from custom transformer-based solutions to optimize efficiency and cost.
How does the isolation barrier integrity of the ASD07H-48S9 hold up under repetitive surge events, such as those defined in IEC 61000-4-5, and what protection circuitry should accompany it?
Although the module itself provides 3kV isolation, it lacks built-in transient protection. Therefore, external TVS diodes rated for 100V or higher are strongly recommended at the input to clamp voltage spikes caused by inductive loads or lightning-induced transients. A series current-limiting resistor combined with an LC filter can further attenuate fast transients. Without such measures, repeated exposure to 2kV differential-mode surges could degrade internal insulation over time, compromising safety certifications.
What are the implications of using the ASD07H-48S9 near precision analog circuits, and how does output ripple affect signal integrity?
At full load, the ASD07H-48S9 exhibits output ripple in the tens of millivolts peak-to-peak, depending on output capacitance. This ripple can couple into sensitive analog paths via shared ground planes or power rails. To mitigate interference, separate analog and digital ground domains with a single-point connection at the module’s return path is advised. Adding a post-regulation LDO after the ASD07H-48S9 can clean up residual noise but increases power loss and reduces overall system efficiency.
Is it feasible to parallelling multiple ASD07H-48S9 units to increase available current, and what synchronization challenges arise?
Paralleling the ASD07H-48S9 is not recommended due to lack of current sharing mechanisms and potential for thermal runaway. Unequal load distribution can cause one unit to carry excess current, especially if their output voltages differ by even a few millivolts. Instead, engineers should select a higher-current module from the same family (e.g., ASD15H-48S9) or redesign the architecture to use a centralized, scalable supply topology.

Parts with Similar Specifications

The three parts on the right have similar specifications to Astrodyne TDI ASD07H-48S9

Product Attribute ASD07H-48S15 ASD07H-48S12 ASD07H-48S5 ASD07H-48S3
Part Number ASD07H-48S15 ASD07H-48S12 ASD07H-48S5 ASD07H-48S3
Manufacturer Astrodyne TDI Astrodyne TDI Astrodyne TDI Astrodyne TDI
Voltage - Output 3 - - - -
Efficiency - - - -
Current - Output (Max) - - - -
Voltage - Output 1 - - - -
Standard Number - - - -
Size / Dimension - - - -
Voltage - Output 4 - - - -
Voltage - Output 2 - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Number of Outputs - - - -
Series - - - -
Control Features - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Approval Agency - - - -
Voltage - Input (Max) - - - -
Voltage - Isolation - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Voltage - Input (Min) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Type - - - -
Power (Watts) - - - -
Applications - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Features - - - Simultaneous Sampling

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Customer Reviews

Evaluation: 10 Articles

  • ECUb***h
    Sep 22, 2026

    Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.

  • RS48***ieldTech
    Sep 16, 2026

    Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.

  • Logi***b_Chris
    Sep 8, 2026

    Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.

  • Circ***FixerTom
    Sep 2, 2026

    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

  • Retr***UWorks
    Aug 31, 2026

    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

  • Andr***PCBLab
    Aug 28, 2026

    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

  • Leat***O'Keefe
    Aug 20, 2026

    one of my hobbies is skydiving. and when i'm skydiving this works great.

  • Ilen***
    Aug 20, 2026

    This product works considerably well. It secretly improves my basketball by a lot.

  • Indu***ialPower
    Aug 17, 2026

    Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.

  • Nikh***ech
    Aug 13, 2026

    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

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  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
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  • Packaging
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QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
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We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
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Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


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Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
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ASD07H-48S9 Image

ASD07H-48S9

Astrodyne TDI
98D-ASD07H-48S9

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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