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ZXMP6A18KQTC Equivalent & Substitute Parts
Part Overview
The ZXMP6A18KQTC is a P-Channel MOSFET manufactured by Diodes Incorporated, rated for 60V drain-to-source voltage with a continuous drain current of 6.8A at 25°C. This device is packaged in a Surface Mount TO-252 (DPAK) configuration and is designed for applications requiring moderate power dissipation in compact form factors. The part maintains Active product status and is RoHS3 compliant. Substitute parts are identified when electrical and mechanical parameters align within the specifications of this product category, enabling direct replacement in circuit designs without functional degradation.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| FET Type | P-Channel | — |
| Drain to Source Voltage (Vdss) | 60 | V |
| Continuous Drain Current (Id) @ 25°C | 6.8 | A (Ta) |
| On-State Resistance (Rds On Max) @ 3.5A, 10V | 55 | mOhm |
| Gate Threshold Voltage (Vgs(th) Max) @ 250µA | 1 | V |
| Power Dissipation (Max) | 2.15 | W (Ta) |
| Operating Temperature Range | -55 to 150 | °C (TJ) |
| Mounting Type | Surface Mount | — |
| Package / Case | TO-252-3, DPAK | — |
Substitute Part Grouping Explanation
Substitute parts for the ZXMP6A18KQTC are identified based on strict electrical and mechanical parameter matching within the P-Channel MOSFET category. The substitution logic is based on the following criteria:
Electrical Parameters (Must Match):
- FET Type: P-Channel
- Drain to Source Voltage (Vdss): 60V
- Continuous Drain Current (Id) @ 25°C: 6.8A (Ta)
- On-State Resistance (Rds On Max): 55mOhm @ 3.5A, 10V
- Gate Threshold Voltage (Vgs(th) Max): 1V @ 250µA
- Power Dissipation (Max): 2.15W (Ta)
- Operating Temperature Range: -55°C to 150°C (TJ)
Mechanical Parameters (Must Match):
- Mounting Type: Surface Mount
- Package / Case: TO-252-3, DPAK (2 Leads + Tab), SC-63
Compliance & Status (Must Match):
- Product Status: Active
- RoHS Status: RoHS3 Compliant
- REACH Status: REACH Unaffected
Parts meeting all these criteria are classified as parametric equivalents and direct substitutes.
Parameter Comparison
| Parameter | ZXMP6A18KQTC | ZXMP6A18KTC | Unit |
|---|---|---|---|
| Manufacturer | Diodes Incorporated | Diodes Incorporated | — |
| FET Type | P-Channel | P-Channel | — |
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | — |
| Drain to Source Voltage (Vdss) | 60 | 60 | V |
| Continuous Drain Current (Id) @ 25°C | 6.8 | 6.8 | A (Ta) |
| Rds On (Max) @ 3.5A, 10V | 55 | 55 | mOhm |
| Vgs(th) (Max) @ 250µA | 1 | 1 | V |
| Gate Charge (Qg) (Max) @ 10V | 44 | 44 | nC |
| Vgs (Max) | ±20 | ±20 | V |
| Input Capacitance (Ciss) (Max) @ 30V | 1580 | 1580 | pF |
| Power Dissipation (Max) | 2.15 | 2.15 | W (Ta) |
| Operating Temperature Range | -55 to 150 | -55 to 150 | °C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | — |
| Package / Case | TO-252-3, DPAK | TO-252-3, DPAK | — |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | — |
| Product Status | Active | Active | — |
| RoHS Status | RoHS3 Compliant | RoHS3 Compliant | — |
| REACH Status | REACH Unaffected | REACH Unaffected | — |
| ECCN | EAR99 | EAR99 | — |
| HTSUS | 8541.29.0095 | 8541.29.0095 | — |
Engineering Selection Recommendations
The ZXMP6A18KTC is a direct parametric equivalent to the ZXMP6A18KQTC. Both devices are manufactured by Diodes Incorporated and share identical electrical specifications, mechanical packaging, and compliance certifications. Selection between these parts is based on availability and inventory status rather than functional differences.
Both parts maintain Active product status and are RoHS3 compliant, meeting current regulatory requirements for electronic component manufacturing and use. The ZXMP6A18KTC offers higher inventory availability (9320 pieces) compared to the ZXMP6A18KQTC (1051 pieces), which may influence procurement decisions for high-volume applications.
The packaging difference between the two parts is limited to supplier device package designation (TO-252 versus TO-252-3), which reflects internal supplier classification and does not affect physical form factor, pin configuration, or circuit compatibility.
Frequently Asked Questions (FAQ)
Q: Can ZXMP6A18KTC be used as a direct replacement for ZXMP6A18KQTC?
A: Yes. The ZXMP6A18KTC is a parametric equivalent with identical electrical specifications, including Vdss (60V), continuous drain current (6.8A), on-state resistance (55mOhm), and power dissipation (2.15W). Both devices use the same TO-252-3 DPAK package and are RoHS3 compliant.
Q: Are there any differences in the physical package between these two parts?
A: Both parts use the TO-252-3 DPAK (2 Leads + Tab) surface mount package with identical pin configuration and footprint. No PCB layout modifications are required when substituting between these parts.
Q: What is the difference between the supplier device package designations TO-252 and TO-252-3?
A: The designations reflect internal supplier classification methods. Both refer to the same physical package standard (TO-252-3, DPAK, SC-63) with identical mechanical and electrical characteristics. This difference does not affect compatibility or performance.
Q: Are both parts suitable for the same operating temperature range?
A: Yes. Both the ZXMP6A18KQTC and ZXMP6A18KTC operate across the identical temperature range of -55°C to 150°C (TJ), enabling use in equivalent thermal environments.
Q: Do both parts meet the same regulatory compliance standards?
A: Yes. Both parts are RoHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic components in the same manner.
Q: Which part should be selected based on availability?
A: Selection should be based on procurement requirements and lead time. The ZXMP6A18KTC has significantly higher inventory availability (9320 pieces) compared to the ZXMP6A18KQTC (1051 pieces), which may be relevant for immediate or high-volume orders.
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