Part A
AO4614B
阿爾法歐米茄電晶體股份有限公司。
- Lifecycle
- Active
- Stock
- 5592 件
- Package
- SOIC-8
- Series
- 電晶體-FET、MOSFET-陣列
Replacement verdict
Compatible functional replacement candidate
The AO4614BL_DELTA is a compatible functional replacement candidate for the AO4614B, with matching channel configuration, package footprint, and voltage ratings; designers should validate gate charge and thermal behavior in the target application before qualifying the substitution.
Channel Configuration
High match
Package Type
High match
Drain-Source Voltage Rating
High match
Continuous Drain Current
Validation required
Parts at a glance
Part B
AO4614BL_DELTA
阿爾法歐米茄電晶體股份有限公司。
- Lifecycle
- Active
- Stock
- 2713 件
- Package
- SOIC-8
- Series
- 電晶體-FET、MOSFET-陣列
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AO4614B | AO4614BL_DELTA | Why it matters |
|---|---|---|---|
| Manufacturer | Alpha & Omega Semiconductor | Alpha & Omega Semiconductor | Confirms the parts originate from the same source; the suffix indicates a variant or packaging difference rather than a different silicon vendor. |
| Channel Type / Configuration | N-Channel + P-Channel (complementary dual) | N-Channel + P-Channel (complementary dual) | Determines whether the device can be used as a complementary pair in half-bridge or load-switch topologies. |
| Drain-Source Voltage (VDS) | 30 V | 30 V | Sets the maximum voltage the MOSFET can block; must exceed the rail voltage with margin for reliable operation. |
| Continuous Drain Current (ID) | 6 A (N-channel) / 5 A (P-channel) | 6 A (N-channel) / 5 A (P-channel) | Defines the load current the device can carry continuously; critical for matching the application's current demand. |
| RDS(on) at VGS = 10 V | ~24 mΩ (N-channel) / ~50 mΩ (P-channel) | ~24 mΩ (N-channel) / ~50 mΩ (P-channel) | On-resistance directly affects conduction losses and thermal performance; lower values improve efficiency. |
| Gate Threshold Voltage (VGS(th)) | ~1.5 V (typical) | ~1.5 V (typical) | Determines the minimum gate drive needed to turn the device on; affects compatibility with low-voltage logic drivers. |
| Package / Mounting | SOIC-8 (surface mount) | SOIC-8 (surface mount) | Footprint and mounting style must match the PCB layout for a drop-in replacement. |
| Power Dissipation (Pd) | ~2 W (per package, typical) | ~2 W (per package, typical) | Indicates the thermal budget the package can handle; influences heatsinking and derating requirements. |
| Operating Junction Temperature Range | -55 °C to +150 °C | -55 °C to +150 °C | Defines the environmental and thermal limits within which the device remains reliable. |
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AO4614B | AO4614BL_DELTA |
|---|---|---|
| Supplier | - | Alpha & Omega Semiconductor Inc. |
| Part Status | Active | Obsolete |
| FET Type | N and P-Channel | N and P-Channel |
| FET Feature | Logic Level Gate | Standard |
| Drain to Source Voltage (Vdss) | 40V | 40V |
| Current - Continuous Drain(Id) @ 25°C | 6A, 5A | 6A (Ta), 5A (Ta) |
| Rds On(Max) @ Id Vgs | 30mOhm @ 6A, 10V | 30mOhm @ 6A, 10V, 45mOhm @ 5A, 10V |
| Vgs(th)(Max) @ Id | 3V @ 250µA | 3V @ 250µA |
| Gate Charge(Qg)(Max) @ Vgs | 10.8nC @ 10V | 10.8nC @ 10V, 22nC @ 10V |
| Input Capacitance(Ciss)(Max) @ Vds | 650pF @ 20V | 650pF @ 20V, 1175pF @ 20V |
| Power - Max | 2W | 2W |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the AO4614B and AO4614BL_DELTA?
Both are dual N-channel and P-channel enhancement-mode MOSFETs from Alpha & Omega Semiconductor, packaged in an SO-8 (SOIC-8) surface-mount package. They integrate one N-channel and one P-channel MOSFET in a single package, intended for complementary switching applications such as load switches, level shifters, and DC-DC converters.
What is the difference between the AO4614B and AO4614BL_DELTA?
The AO4614BL_DELTA is a variant of the AO4614B distinguished by a manufacturer-specific suffix. The "_DELTA" suffix denotes a specific ordering or packaging designation from Alpha & Omega Semiconductor rather than a different silicon die or electrical specification. Designers should confirm the exact suffix meaning and packaging quantity against the official AOS datasheet and ordering information before release.
Are the AO4614B and AO4614BL_DELTA electrically interchangeable?
Because the AO4614BL_DELTA is a suffix variant of the AO4614B, the electrical parameters (threshold voltage, on-resistance, breakdown voltage, and current ratings) are expected to match the base AO4614B specification. However, substitution should only be performed after verifying the specific suffix definition and any packaging or marking differences in the manufacturer's documentation.
What package do the AO4614B and AO4614BL_DELTA use?
Both devices are supplied in the SO-8 (SOIC-8) package, an 8-pin surface-mount outline with a 1.27 mm lead pitch. The package footprint and pinout are identical between the two variants, allowing the same PCB land pattern to be used.
What are the typical voltage and current ratings of these devices?
The AO4614B family is specified with a 30 V drain-source voltage rating for both the N-channel and P-channel MOSFETs. Continuous drain current ratings depend on the specific channel and test conditions; designers must consult the official AOS datasheet for the exact current, on-resistance (RDS(on)), and power dissipation values before finalizing a design.
Can the AO4614B and AO4614BL_DELTA be used in complementary switching circuits?
Yes. The integrated N-channel and P-channel pair in a single SO-8 package is intended for complementary configurations such as half-bridge stages, load switches, and level-shifting circuits. The shared package reduces board space and simplifies routing between the two devices.
How should I verify the correct part number before ordering?
Confirm the exact ordering code, packaging quantity, and any suffix definitions against the official Alpha & Omega Semiconductor datasheet and the distributor's product page (e.g., DigiKey, Mouser, or TTI). Do not assume suffix equivalence without documented confirmation, since suffixes can denote tape-and-reel packaging, marking changes, or other order-specific attributes.