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TT8U2TR Equivalent & Substitute Parts Reference
Part Overview
The Rohm Semiconductor TT8U2TR is a P-Channel MOSFET designed for use in surface-mount applications, with a maximum drain-to-source voltage of 20 V, a continuous drain current of 2.4A at 25°C, and a low on-resistance (Rds(on)). This device features an isolated Schottky diode, specified power dissipation, and is RoHS3 compliant. TT8U2TR is marked as "Not For New Designs," making it necessary to identify alternative MOSFETs with matched electrical and mechanical parameters for ongoing or future designs.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| FET Type | P-Channel |
| Technology | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 20 V |
| Current - Continuous Drain (Id) @ 25°C | 2.4A (Ta) |
| Drive Voltage (Max Rds On, Min Rds On) | 1.5V, 4.5V |
| Rds On (Max) @ Id, Vgs | 105mOhm @ 2.4A, 4.5V |
| Vgs(th) (Max) @ Id | 1V @ 1mA |
| Gate Charge (Qg) (Max) @ Vgs | 6.7 nC @ 4.5 V |
| Vgs (Max) | ±10V |
| Input Capacitance (Ciss) (Max) @ Vds | 850 pF @ 10 V |
| FET Feature | Schottky Diode (Isolated) |
| Power Dissipation (Max) | 1.25W (Ta) |
| Operating Temperature | 150°C (TJ) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 8-TSST |
| Package / Case | 8-SMD, Flat Lead |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| HTSUS | 8541.29.0095 |
Substitute Part Grouping Explanation
Substitute parts in the transistors, FETs, MOSFETs category are matched based strictly on key electrical and mechanical parameters: FET Type, technology, drain-to-source voltage rating, continuous drain current, drive voltage, maximum Rds(on), gate threshold voltage, gate charge, maximum Vgs, input capacitance, FET features, maximum power dissipation, operating temperature, package type, mounting method, device package, RoHS compliance, MSL, REACH status, and relevant HTS classifications. Only substitutes with identical parameters to the main part are listed.
Parameter Comparison
| Parameter | TT8U2TR (Rohm Semiconductor) | TT8U2TCR (Rohm Semiconductor) |
|---|---|---|
| FET Type | P-Channel | P-Channel |
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 20 V | 20 V |
| Current - Continuous Drain (Id) @ 25°C | 2.4A (Ta) | 2.4A (Ta) |
| Drive Voltage (Max Rds On, Min Rds On) | 1.5V, 4.5V | 1.5V, 4.5V |
| Rds On (Max) @ Id, Vgs | 105mOhm @ 2.4A, 4.5V | 105mOhm @ 2.4A, 4.5V |
| Vgs(th) (Max) @ Id | 1V @ 1mA | 1V @ 1mA |
| Gate Charge (Qg) (Max) @ Vgs | 6.7 nC @ 4.5 V | 6.7 nC @ 4.5 V |
| Vgs (Max) | ±10V | ±10V |
| Input Capacitance (Ciss) (Max) @ Vds | 850 pF @ 10 V | 850 pF @ 10 V |
| FET Feature | Schottky Diode (Isolated) | Schottky Diode (Isolated) |
| Power Dissipation (Max) | 1.25W (Ta) | 1.25W (Ta) |
| Operating Temperature | 150°C (TJ) | 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Supplier Device Package | 8-TSST | 8-TSST |
| Package / Case | 8-SMD, Flat Lead | 8-SMD, Flat Lead |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8541.29.0095 | 8541.29.0095 |
| Product Status | Not For New Designs | Active |
Engineering Selection Recommendations
When selecting between TT8U2TR and TT8U2TCR, selection can be made on the basis of product status and compliance parameters. TT8U2TR is marked as "Not For New Designs," while TT8U2TCR is listed as "Active." Both parts are ROHS3 compliant, have MSL 1 (Unlimited), and are REACH unaffected. Both are classified under ECCN EAR99 and HTSUS 8541.29.0095.
Frequently Asked Questions (FAQ)
Q1: What key parameters must match to consider TT8U2TCR as a true substitute for TT8U2TR?
A1: FET Type, technology, voltage rating (Vdss), continuous drain current (Id), drive voltage, maximum on-resistance (Rds(on)), gate threshold voltage, gate charge, maximum Vgs, input capacitance, FET features, power dissipation, operating temperature, mounting type, package and case, RoHS status, MSL, REACH status, ECCN, and HTSUS must all match.
Q2: Are there any differences in mounting, package, or compliance between TT8U2TR and TT8U2TCR?
A2: No. Both TT8U2TR and TT8U2TCR have the same surface mount type, 8-TSST package, and share the same RoHS, MSL, and REACH compliance.
Q3: Why should TT8U2TCR be selected instead of TT8U2TR?
A3: TT8U2TCR is "Active," while TT8U2TR is "Not For New Designs." For designs requiring an active and supported part, TT8U2TCR is the parametric equivalent.
Q4: Does the inventory status affect substitution eligibility?
A4: Inventory status does not determine technical substitution eligibility; only the defined electrical, mechanical, and compliance parameters are considered.
Q5: Is there any difference in electrical performance between TT8U2TR and TT8U2TCR?
A5: No. All specified key electrical parameters are identical in the provided data.
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