ACGRKM4001-HF Comchip Technology Diode (Small Outline Diode Flat Lead) In Stock
Comchip Technology ACGRKM4001-HF is a general-purpose silicon rectifier diode rated at 1A continuous forward current and 50V peak reverse voltage, qualified to AEC-Q101 for automotive applications. Housed in a compact SOD flat-lead surface mount package, it is suited for automotive power supplies, reverse polarity protection, and low-frequency rectification circuits.
- Manufacturer
- Comchip Technology
- Package
- Small Outline Diode Flat Lead
- Pin Count
- 2
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- ACGRKM4001-HF Datasheet PDF
- Category
- Diode
- Temp Range
- -55.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- AEC-Q101 automotive qualification ensuring reliability across the full -40°C to +150°C automotive temperature range
- 1A continuous forward current with 30A non-repetitive peak surge current handling for transient protection
- 50V peak reverse voltage in a compact SOD flat-lead surface mount package for space-efficient designs
- RoHS and halogen-free (HF) compliant silicon construction meeting green manufacturing requirements
Applications
The ACGRKM4001-HF is designed for general-purpose rectification and reverse polarity protection in automotive electronic control units, power management modules, and 12V battery systems requiring AEC-Q101 component reliability. Its 1A rating and 50V blocking voltage suit freewheeling diode applications in relay coil suppression, low-side switch protection, and rectifier bridge circuits in automotive body electronics and ADAS sensor power supplies. The surface mount SOD flat-lead package enables automated assembly on automotive-grade PCBs with high resistance to thermal and mechanical stress.
Specifications
| Pbfree Code | Yes |
| YTEOL | 3 |
| Application | GENERAL PURPOSE |
| Configuration | SINGLE |
| Diode Element Material | SILICON |
| Diode Type | RECTIFIER DIODE |
| JESD-30 Code | R-PDSO-F2 |
| JESD-609 Code | e3 |
| Non-rep Pk Forward Current-Max | 30A |
| Number of Elements | 1 |
| Number of Phases | 1 |
| Output Current-Max | 1A |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Reference Standard | AEC-Q101 |
| Rep Pk Reverse Voltage-Max | 50V |
| Surface Mount | YES |
| Terminal Finish | Tin (Sn) |
| Terminal Form | FLAT |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Diode Flat Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8541.10.00.80 |
| Country of Origin | Taiwan |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What does AEC-Q101 qualification mean for the ACGRKM4001-HF in automotive circuit design?
AEC-Q101 qualification means the ACGRKM4001-HF has passed Automotive Electronics Council stress testing for discrete semiconductors, including temperature cycling from -40°C to +150°C, high-temperature reverse bias, and electrostatic discharge endurance. This certification gives automotive OEM and Tier 1 designers confidence that the 1A 50V rectifier will maintain its electrical characteristics over the vehicle's service life in under-hood and body electronics environments where reliability is a safety requirement.
How does the 30A non-repetitive peak surge current rating of the ACGRKM4001-HF protect circuits during power-on transients?
The ACGRKM4001-HF handles non-repetitive surge currents up to 30A, which is thirty times its 1A continuous rating, providing robust protection during capacitor inrush or load-switching transients at power-on. This high surge capability ensures that the rectifier survives brief overcurrent events in automotive alternator charging circuits, battery connection surges, and relay coil energy dumps without entering thermal runaway or experiencing junction breakdown.
In reverse polarity protection designs for 12V automotive systems, why is the 50V rating of the ACGRKM4001-HF sufficient?
Automotive 12V nominal systems can see transient voltages up to approximately 40V under load dump conditions per ISO 16750 standards, so the 50V peak reverse voltage of the ACGRKM4001-HF provides a meaningful margin above worst-case automotive transients. Combined with its 1A forward current rating and AEC-Q101 qualification, this diode is adequately rated for series or shunt reverse polarity protection in ECUs and sensor modules powered from the 12V automotive bus.
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