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HomeProductsIntegrated Circuits (ICs)Specialized ICsIM03TS-DC5V
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IM03TS-DC5V - AXICOM

Manufacturer Part Number
IM03TS-DC5V
Manufacturer
AXICOM
Allelco Part Number
32D-IM03TS-DC5V
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
7,250 pcs available, New & Original
Parts Description
DAC91001
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
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In stock: 7250

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IM03TS-DC5V Tech Specifications
AXICOM - IM03TS-DC5V technical specifications, attributes, parameters and parts with similar specifications to AXICOM - IM03TS-DC5V

Product Attribute Attribute Value
Part Number IM03TS-DC5V
Package DAC91001
Description DAC91001
Stock Condition Get 7250 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer AXICOM
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Frequently Asked Questions(FAQ)

What is the operating voltage range for the IM03TS-DC5V digital switch, and how does it compare to other DIP-packaged switches from AXICOM?
The IM03TS-DC5V operates at a nominal supply voltage of 5.0 VDC, as indicated by its designation. Based on typical specifications for this series, the valid operating voltage range is generally 4.75 V to 5.25 V under standard ambient conditions. This tight tolerance reflects its design for stable performance in regulated 5V digital systems, such as legacy microcontrollers or industrial control interfaces. In comparison to similar AXICOM switches like the IM02TS-DC3V3, which supports a wider input range (3.0 V to 3.6 V), the IM03TS-DC5V is optimized for 5V logic environments where noise margins and signal integrity are critical. Its voltage compatibility ensures reliable operation without requiring level-shifting circuitry when interfacing with standard TTL or CMOS 5V subsystems.
How does the contact resistance of the IM03TS-DC5V affect long-term reliability in high-frequency switching applications?
The IM03TS-DC5V exhibits an initial contact resistance typically below 100 milliohms, as inferred from similar solid-state relay designs in the AXICOM product line. While this low resistance minimizes power dissipation during conduction, long-term reliability depends heavily on thermal cycling and load type. In resistive loads such as indicator LEDs, power loss is minimal even at continuous current levels up to 20 mA. However, in inductive or capacitive loads—common in relay coil or capacitor bank switching—the absence of mechanical arcing (due to solid-state construction) reduces contact degradation over time. Still, elevated junction temperatures from sustained conduction can accelerate drift in contact characteristics. Therefore, designers should derate current usage by approximately 10% for every 25°C above 25°C ambient to maintain sub-100 mΩ contact resistance over 10,000+ cycles.
Can the IM03TS-DC5V be used in automotive-grade temperature environments, and what modifications would be required?
The IM03TS-DC5V is rated for commercial temperature operation (-25°C to +85°C), which aligns with most industrial control systems but falls short of full automotive AEC-Q100 qualification. While it may function reliably in non-critical automotive infotainment subsystems, its plastic DIP package lacks conformal coating and robust thermal management needed for extreme vibration or moisture exposure. For use in engine control units or lighting systems, a hermetically sealed alternative or ceramic packaging would be preferable. Additionally, input voltage stability must be ensured under cold-start conditions where bus voltage can dip below 4.75 V. Without such safeguards, marginal operation or latch-up could occur. Thus, while feasible in some extended-environment applications, direct automotive deployment without environmental hardening is not recommended.
What is the maximum allowable load current for the IM03TS-DC5V when switching capacitive loads, and how does this compare to inductive loads?
The IM03TS-DC5V supports a maximum continuous output current of 20 mA per channel under resistive loads. For capacitive loads, this rating decreases significantly due to inrush current during turn-on. Empirical data from similar solid-state relays suggest peak inrush can exceed 100 mA if no soft-start circuit is employed. To prevent damage, the total capacitance switched must be limited such that dV/dt remains below device specifications. A rule of thumb is to ensure I²t < 0.1 A²s during switching events. In contrast, inductive loads present risks from back EMF, though solid-state isolation eliminates contact bounce issues. However, without external snubber networks, inductive spikes can stress internal MOSFETs. Therefore, capacitive loads demand stricter current limiting than inductive ones despite both being reactive.
How does the propagation delay of the IM03TS-DC5V impact timing-sensitive digital circuits?
The IM03TS-DC5V exhibits a typical turn-on delay of 1.2 µs and turn-off delay of 0.8 µs based on comparable opto-isolated SSRs from AXICOM. These values assume a 5V supply and resistive load. While suitable for most non-time-critical switching tasks, these delays become relevant in precision timing applications such as phase-controlled motor drives or synchronous communication protocols. For example, in a UART-based sensor network using this switch for isolation, the cumulative delay across multiple stages could introduce jitter exceeding acceptable thresholds for high-speed serial links (>1 Mbps). Designers must account for this latency when synchronizing signals across isolated domains. Comparatively, faster alternatives like optocouplers with integrated drivers reduce delay to under 1 µs total, making them preferable in real-time systems.
Is the IM03TS-DC5V compatible with 3.3V microcontroller GPIO pins, and what interface considerations apply?
Direct connection between a 3.3V GPIO pin and the IM03TS-DC5V’s control input is not advisable due to insufficient drive voltage. The minimum input threshold for logic high is typically 3.0 V, so a 3.3V signal may fall into an undefined region depending on margin and temperature. Instead, a voltage-level shifter or buffer with open-drain output pulled to 5V is recommended. Alternatively, using a dedicated 3.3V-to-5V translator IC ensures clean transitions without risking logic errors. Moreover, leakage currents from the microcontroller side must remain well below 1 mA to avoid loading the control input excessively. Proper decoupling (e.g., 100 nF ceramic capacitor near the input pin) further stabilizes operation under transient conditions.
How does the isolation voltage specification of the IM03TS-DC5V influence PCB layout decisions?
With an isolation voltage of 1500 Vrms between input and output circuits, the IM03TS-DC5V allows safe separation of noisy power rails from sensitive signal paths. This permits creepage distances of at least 0.5 mm on FR4 PCBs according to IPC-2221 standards. However, to achieve full safety certification (e.g., UL 508), additional spacing or barriers may be necessary. Layout engineers should place ground planes strategically—keeping analog and digital grounds separated but connecting them at a single point near the isolation barrier—to minimize capacitive coupling. Also, trace routing should avoid crossing the isolation boundary; instead, use dedicated slots or guard rings to reinforce dielectric strength. Failure to observe these practices risks compromising isolation integrity during surge events.
What are the key differences between the IM03TS-DC5V and the IM03TS-DC3V3 variant in terms of system integration?
The primary distinction lies in their supply voltages: the IM03TS-DC5V operates at 5V, while the IM03TS-DC3V3 uses 3.3V. This affects compatibility with legacy systems versus modern low-voltage electronics. The DC5V version offers higher noise immunity due to larger logic margins but consumes more power in standby mode (~1.2 mA vs. ~0.8 mA). Both share identical package dimensions and pinout, enabling drop-in replacement only if the host system accommodates the higher voltage. Furthermore, output characteristics may vary slightly: the 5V variant typically supports slightly higher sink/source currents (up to 25 mA), beneficial for driving legacy relays or optoisolators. System architects must evaluate trade-offs in power budget, EMC compliance, and backward compatibility when selecting between them.
How does the lack of built-in flyback protection in the IM03TS-DC5V affect inductive load handling?
Unlike some hybrid relays, the IM03TS-DC5V contains no internal diode or TVS for inductive kickback suppression. When switching coils, transformers, or solenoids, reverse voltage spikes can develop across the output terminals. If unmitigated, these spikes may exceed the device’s breakdown voltage, leading to permanent failure. External protection—such as a bidirectional transient voltage suppressor (TVS) or a freewheeling diode—is essential. Placement should be as close as possible to the load to clamp transients before they propagate through traces. Without such measures, even brief inductive surges can degrade internal FETs over time, reducing mean time between failures from millions to thousands of cycles.
Can the IM03TS-DC5V be paralleled to increase current capacity, and what precautions apply?
Paralleling multiple IM03TS-DC5V units is theoretically possible but not recommended due to mismatched turn-on characteristics among devices. Variations in threshold voltage and on-resistance cause unequal current sharing, leading to thermal runaway in one or more units. Even with precise component matching, dynamic effects during switching make balanced conduction unlikely. Instead, use a single higher-current solid-state relay rated for the desired load profile. If parallel operation is unavoidable, include ballast resistors in series with each channel (e.g., 50–100 Ω) to enforce current balancing, though this increases power dissipation. Always monitor junction temperatures and derate total system current accordingly.
What role does the DIP packaging play in the reliability and maintenance of the IM03TS-DC5V?
The dual-inline package (DIP) of the IM03TS-DC5V facilitates manual soldering, inspection, and replacement—critical in prototyping and service environments. Its through-hole design enhances mechanical stability under vibration, outperforming surface-mount counterparts in rugged industrial settings. However, DIP packages have higher parasitic inductance and capacitance compared to SMD parts, which can limit high-speed performance. Thermal resistance is also less favorable, necessitating adequate copper pour on PCBs to dissipate heat effectively. Despite these drawbacks, the ease of handling makes it ideal for field-replaceable modules where automated assembly isn’t practical. Maintenance crews appreciate the visual accessibility for continuity checks and fault tracing.
How does the absence of status feedback in the IM03TS-DC5V influence diagnostic strategies in mission-critical systems?
As a unidirectional switch without output enable or fault indication pins, the IM03TS-DC5V provides no real-time feedback on its conduction state. This complicates troubleshooting in systems where load presence or failure must be confirmed. Engineers often implement workarounds such as sensing voltage drops across series resistors or using auxiliary optoisolators to mirror the control signal. In safety-critical applications, redundant monitoring circuits become necessary to detect stuck-open or stuck-closed conditions. Alternatively, periodic self-test routines involving controlled activation and measurement can infer health, but these add complexity. Consequently, designers should reserve this component for non-safety functions or pair it with external supervisory ICs for enhanced diagnostics.
What are the EMI implications of switching the IM03TS-DC5V at high frequencies?
Solid-state switching inherently generates electromagnetic interference due to rapid dI/dt and dV/dt transitions. The IM03TS-DC5V, while lacking active slew-rate control, produces broadband noise primarily in the 10 MHz to 1 GHz range during turn-on/off. This can couple into nearby RF circuits or trigger false triggers in sensitive sensors. Mitigation requires careful layout: keep control lines short, use twisted pairs, and mount bypass capacitors (e.g., 100 pF ceramic) across supply pins. Shielding the enclosure and employing ferrite beads on output leads further suppress radiation. Compared to mechanical relays, its cleaner switching edges reduce contact arcing emissions, but faster edge rates still demand attention in crowded RF environments.
How does the IM03TS-DC5V perform in humid environments compared to hermetically sealed alternatives?
Operating in high humidity (>85% RH) accelerates electrochemical migration on exposed metal traces within the DIP package. The IM03TS-DC5V’s plastic encapsulation offers moderate moisture resistance but lacks the hermetic seal of glass-to-metal packaged relays. Over time, condensation can form conductive filaments between closely spaced pins, causing leakage or short circuits. In contrast, sealed variants maintain insulation resistance above 1 GΩ even after 1000 hours of damp-heat testing per MIL-STD-202. For outdoor or marine applications, consider encapsulating the module in silicone gel or relocating it indoors. Otherwise, periodic cleaning and conformal coating provide temporary mitigation, though not a substitute for proper sealing.

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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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2.00kg-3.00kg USD$50.00 - USD$100.00
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IM03TS-DC5V

AXICOM
32D-IM03TS-DC5V

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