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FKC08-24S33
P-DUKE Technology, Inc.
DC DC CONVERTER 3.3V 6.6W
2493 Pcs New Original In Stock
Isolated Module DC DC Converter 1 Output 3.3V 2A 18V - 36V Input
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5.0 / 5.0
- (66 Ratings)
FKC08-24S33
Product Overview
13114606
DiGi Electronics Part Number
FKC08-24S33-DGManufacturer
P-DUKE Technology, Inc.
FKC08-24S33
Description
DC DC CONVERTER 3.3V 6.6WInventory
2493 Pcs New Original In Stock
Isolated Module DC DC Converter 1 Output 3.3V 2A 18V - 36V Input
Quantity
Minimum 1
Minimum 1
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FKC08-24S33 Technical Specifications
Category
DC DC Converters
Packaging
Tube
Series
FKC08 (8W)
Product Status
Active
Type
Isolated Module
Number of Outputs
1
Voltage - Input (Min)
18V
Voltage - Input (Max)
36V
Voltage - Output 1
3.3V
Voltage - Output 2
-
Voltage - Output 3
-
Voltage - Output 4
-
Current - Output (Max)
2A
Power (Watts)
6.6 W
Voltage - Isolation
1.6 kV
Applications
ITE (Commercial)
Features
Remote On/Off
Operating Temperature
-40°C ~ 100°C (With Derating)
Efficiency
80%
Mounting Type
Through Hole
Package / Case
24-DIP Module, 9 Leads
Size / Dimension
1.25" L x 0.80" W x 0.40" H (31.8mm x 20.3mm x 10.2mm)
Supplier Device Package
-
Control Features
-
Approval Agency
CB, CE, cURus
Base Product Number
FKC08
Datasheet & Documents
HTML Datasheet
FKC08-24S33-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
Not Applicable
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8504.40.9580
Additional Information
Other Names
2369-FKC08-24S33
Standard Package
10
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
I rely on DiGi for products that are both affordable and built to last.
de desembre 02, 2025
They are very upfront about their prices, which helps me avoid any misunderstandings.
de desembre 02, 2025
Their inventory system minimizes stock discrepancies, providing peace of mind.
de desembre 02, 2025
Secure packaging by DiGi Electronics reduces worries about product damage during delivery.
de desembre 02, 2025
Always amazed by how quickly my orders are shipped out.
de desembre 02, 2025
Their honest pricing policy makes me confident in my investments.
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Frequently Asked Questions (FAQ)
Can the FKC08-24S33 be safely used in a 24V industrial control system where input voltage may briefly spike to 40V during load dump events?
No, the FKC08-24S33 has a maximum input voltage rating of 36V and is not designed to tolerate transient spikes above this level. In 24V industrial systems prone to load dump or inductive kickback (e.g., relay or motor switching), voltage transients can exceed 40V, risking catastrophic failure. To mitigate this, add an external TVS diode (e.g., SMAJ36A) or an input clamp circuit rated for ≥40V, placed as close as possible to the converter’s input pins. Alternatively, consider a converter with higher input tolerance like the RECOM R-78S3.3-2.0 (up to 42V), but note it lacks isolation—a key advantage of the FKC08-24S33.
Is it safe to replace a Murata NCM6S24.33Z in a medical device with the FKC08-24S33, given both are 3.3V/2A isolated DC-DC modules?
Not without careful evaluation. While both the FKC08-24S33 and Murata NCM6S24.33Z offer 3.3V/2A output and 18–36V input, the FKC08-24S33 is only certified to ITE (commercial) standards (cURus, CE, CB), whereas the NCM6S24.33Z is often rated for medical applications (e.g., IEC 60601-1). Using the FKC08-24S33 in a medical device could violate regulatory compliance due to insufficient isolation certification and leakage current specs. Additionally, the FKC08-24S33’s 1.6 kV isolation is lower than typical medical-grade requirements (≥2.5 kV). Stick with medically approved alternatives unless re-certification is feasible.
How does thermal derating affect the FKC08-24S33’s usable output current in an enclosed chassis with ambient temperatures reaching 70°C?
At 70°C ambient, the FKC08-24S33 must be derated significantly due to its specified operating range of -40°C to 100°C with derating. P-DUKE’s typical derating curve shows output power must be reduced by approximately 2.5% per °C above 50°C. At 70°C, this results in a ~50% power reduction—limiting continuous output to around 3.3W (1A at 3.3V), not the full 6.6W. To maintain 2A output, ensure forced airflow (>100 LFM) or reduce ambient temperature via heatsinking or ventilation. Passive cooling in sealed enclosures will likely require downgrading to a lower-current mode or selecting a higher-power module like the FKC10 series with better thermal headroom.
Can I parallel two FKC08-24S33 modules to achieve 4A output current for a high-reliability redundant power design?
No, the FKC08-24S33 is not designed for current sharing or paralleling. It lacks active current-sharing circuitry, and minor differences in output voltage setpoints between units will cause one module to carry most of the load, leading to thermal imbalance and premature failure. Even with external ballast resistors, efficiency drops and reliability suffers. For redundancy, use a single higher-current isolated converter (e.g., TDK-Lambda CCG60-24-33) or implement a diode-ORing scheme with independent converters—but never directly parallel FKC08-24S33 units without active balancing, which is not supported by the manufacturer.
Does the remote on/off feature on the FKC08-24S33 introduce any startup delay or sequencing challenges when used with microcontrollers that require precise power-up timing?
Yes, activating the FKC08-24S33 via its remote on/off pin introduces a noticeable startup delay—typically 10–50 ms from enable signal to stable 3.3V output—due to internal soft-start and control loop settling. This can disrupt microcontroller boot sequences that expect immediate power availability. To avoid timing conflicts, either delay MCU reset release using a supervisor IC (e.g., MAX811) or use the FKC08-24S33 in always-on mode if power consumption allows. If fast enable response is critical, consider non-isolated alternatives like the Texas Instruments TPS54332 with sub-millisecond enable response, though you’d sacrifice the FKC08-24S33’s isolation and noise immunity benefits.
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.
FKC08-24S33 CAD Models
P-DUKE Technology, Inc. FKC08-24S33 PCB symbols & footprints
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