CRMR0410D CR Micro 40V 12A Dual MOSFET SOP-8
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- 40 V / 12 A continuous drain current, SOP-8 package
- Rds(on) 8 mΩ typ, 10 mΩ max at VGS = 10 V
- Qg 45.9 nC and Ciss 2350 pF
- N-channel, dual configuration
The CR Micro CRMR0410D is a 40 V 12 A N-channel dual MOSFET in a SOP-8 package. The package carries two independent N-channel dies. On-resistance is 8 mΩ typical and 10 mΩ maximum at a 10 V gate drive; 10 mΩ typical at 4.5 V, so it also works from a logic-level driver; threshold voltage spans 1 to 3 V.
Key Specifications
| Drain-Source Voltage (VDS) | 40 V |
| Continuous Drain Current (ID) | 12 A |
| Circuit Configuration | dual |
| Rds(on) @ VGS = 10 V, typ. | 8 mΩ |
| Rds(on) @ VGS = 10 V, max. | 10 mΩ |
| Rds(on) @ VGS = 4.5 V, typ. | 10 mΩ |
| Gate Threshold Voltage (VGS(th)) | 1 – 3 V |
| Total Gate Charge (Qg) | 45.9 nC |
| Input Capacitance (Ciss) | 2350 pF |
| Channel Polarity | N-channel |
| Package | SOP-8 |
Same-Rating Selection Table
| Part Number | VDS | ID | Config | Rds 10V typ | Rds 4.5V typ | Qg | Package |
|---|---|---|---|---|---|---|---|
| CRMR0410D | 40V | 12A | dual | 8 | 10 | 45.9 | SOP-8 |
| CRMR0410D | 40V | 12A | dual | 8 | 10 | 45.9 | SOP-8 |
| CRMM4840D | 40V | 7A | dual | 30 | 36.5 | 10.9 | SOP-8 |
| CRMM4840D | 40V | 7A | dual | 30 | 36.5 | 10.9 | SOP-8 |
4 part numbers share the same 40 / SOP-8 / dual rating — sorted by config.
Applications
Low-voltage DC-DC converters, load switches, battery protection, and brushed or stepper motor drive.
Selection Notes
- The two dies share a package but not a thermal path. Check whether the configuration is complementary, dual, common drain or series before wiring it into a topology.
- In complementary parts the N and P dies have different Rds(on) and Qg. Match the drive separately rather than assuming symmetry.
- Common-drain parts suit load switch and battery protection circuits where the two sources tie together — the body diodes then oppose each other and block in both directions.
- Because both dies sit on one leadframe, total dissipation is limited by the package, not by the individual die ratings.
Common Questions
Is the CRMR0410D an N-channel or P-channel device?
It is N-channel. The drain-source rating is 40 V.
Can the CRMR0410D be driven from a 4.5 V logic-level gate signal?
Yes. The datasheet characterises Rds(on) at 4.5 V: 10 mΩ typical and 12 mΩ maximum.
What is the gate threshold voltage of the CRMR0410D?
VGS(th) is specified between 1 and 3 V. Below the lower figure the part is off; above the upper figure it is fully on at the rated current.
What package does the CRMR0410D come in?
SOP-8. Check the datasheet mechanical drawing for lead spacing and thermal pad dimensions before laying out the footprint.
How do I choose between the 4 part numbers in this rating group?
All 4 share the same voltage and package class. Sort by on-resistance first, then check gate charge: the lowest Rds(on) part is not automatically the best choice if the stage switches at high frequency. The table above lists them in ascending Rds(on) order.
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