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DMP1055USW-13 P-Channel MOSFET Equivalent & Substitute Parts
Part Overview
The DMP1055USW-13 is a P-Channel MOSFET manufactured by Diodes Incorporated, designed for surface mount applications in the SOT-363 package. This device operates at 12V drain-to-source voltage with a continuous drain current rating of 3.8A and maximum power dissipation of 660mW. The component is classified as Active product status and is ROHS3 compliant. Substitute parts are identified when equivalent electrical and mechanical parameters are required due to inventory constraints, manufacturing discontinuation, or design flexibility within the same performance envelope.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| FET Type | P-Channel | — |
| Drain to Source Voltage (Vdss) | 12 | V |
| Continuous Drain Current (Id) @ 25°C | 3.8 | A |
| Rds On (Max) @ 3A, 4.5V | 48 | mOhm |
| Gate Threshold Voltage (Vgs(th)) @ 250µA | 1 | V |
| Gate Charge (Qg) @ 4.5V | 13 | nC |
| Power Dissipation (Max) | 660 | mW |
| Operating Temperature Range | -55 to 150 | °C |
| Package Type | SOT-363 (6-TSSOP, SC-88) | — |
| Mounting Type | Surface Mount | — |
Substitute Part Grouping Explanation
Substitute parts for the DMP1055USW-13 are identified based on strict electrical and mechanical parameter equivalence. The substitution criteria are:
Electrical Parameters (Must Match):
- FET Type: P-Channel
- Drain to Source Voltage (Vdss): 12V
- Continuous Drain Current (Id): 3.8A @ 25°C
- Rds On (Max): 48mOhm @ 3A, 4.5V
- Gate Threshold Voltage: 1V @ 250µA
- Gate Charge: 13nC @ 4.5V
- Power Dissipation: 660mW
- Operating Temperature Range: -55°C to 150°C
Mechanical Parameters (Must Match):
- Package: SOT-363 (6-TSSOP, SC-88)
- Mounting Type: Surface Mount
- Supplier Device Package: SOT-363
Compliance & Status (Must Match):
- Product Status: Active
- RoHS Status: ROHS3 Compliant
- Moisture Sensitivity Level: 1 (Unlimited)
- REACH Status: REACH Unaffected
The DMP1055USW-7 meets all specified criteria and is classified as a parametric equivalent.
Parameter Comparison
| Parameter | DMP1055USW-13 | DMP1055USW-7 | Match |
|---|---|---|---|
| Manufacturer | Diodes Incorporated | Diodes Incorporated | ✓ |
| FET Type | P-Channel | P-Channel | ✓ |
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | ✓ |
| Vdss | 12V | 12V | ✓ |
| Id @ 25°C | 3.8A | 3.8A | ✓ |
| Rds On (Max) @ 3A, 4.5V | 48mOhm | 48mOhm | ✓ |
| Vgs(th) @ 250µA | 1V | 1V | ✓ |
| Gate Charge @ 4.5V | 13nC | 13nC | ✓ |
| Vgs (Max) | ±8V | ±8V | ✓ |
| Input Capacitance @ 6V | 1028pF | 1028pF | ✓ |
| Power Dissipation (Max) | 660mW | 660mW | ✓ |
| Operating Temperature | -55 to 150°C | -55 to 150°C | ✓ |
| Package | SOT-363 | SOT-363 | ✓ |
| Mounting Type | Surface Mount | Surface Mount | ✓ |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ✓ |
| MSL | 1 (Unlimited) | 1 (Unlimited) | ✓ |
| REACH Status | REACH Unaffected | REACH Unaffected | ✓ |
Engineering Selection Recommendations
The DMP1055USW-7 is a direct parametric equivalent to the DMP1055USW-13. Both components share identical electrical specifications, mechanical packaging, and compliance certifications. Selection between these parts is based on availability and supply chain requirements rather than functional differences.
Selection Criteria:
- DMP1055USW-13: Primary selection when available. Current inventory: 805 pcs.
- DMP1055USW-7: Alternative selection with equivalent performance. Current inventory: 3633 pcs.
Both parts are Active status products manufactured by Diodes Incorporated and maintain ROHS3 compliance, REACH unaffected status, and MSL Level 1 (Unlimited) moisture sensitivity rating. No functional or reliability differences exist between these variants within the specified operating parameters.
Frequently Asked Questions (FAQ)
Q: Can DMP1055USW-7 be used as a direct replacement for DMP1055USW-13?
A: Yes. The DMP1055USW-7 is a parametric equivalent with identical electrical characteristics, package type, and compliance certifications. Direct substitution is permissible in all applications where DMP1055USW-13 is specified.
Q: Are there any package or pinout differences between these parts?
A: No. Both parts use the SOT-363 package (6-TSSOP, SC-88) with identical pinout and mechanical dimensions. PCB layout and footprint compatibility is guaranteed.
Q: What is the difference between DMP1055USW-13 and DMP1055USW-7?
A: The suffix designations (-13 and -7) indicate different manufacturing date codes or tape reel configurations. All electrical and mechanical parameters are identical.
Q: Are both parts RoHS compliant?
A: Yes. Both DMP1055USW-13 and DMP1055USW-7 are ROHS3 compliant and REACH unaffected.
Q: What is the moisture sensitivity level for these components?
A: Both parts have MSL Level 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.
Q: Can these parts be used in high-temperature applications?
A: Yes. Both parts operate across the temperature range of -55°C to 150°C (junction temperature), suitable for industrial and automotive applications within this range.
Q: Is there a performance difference in switching speed or gate charge?
A: No. Gate charge is specified at 13nC @ 4.5V for both parts, ensuring identical switching characteristics and drive requirements.
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