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MMS9018-H-TP Equivalent & Substitute Parts Reference
Part Overview
MMS9018-H-TP is a surface-mount NPN bipolar junction transistor (BJT) manufactured by Micro Commercial Co. It is engineered for interface applications, offering a collector-emitter breakdown voltage of 18 V, a collector current rating of 50 mA, a transition frequency of 600MHz, and a maximum power dissipation of 200 mW in a SOT-23 package. This part is currently listed as Last Time Buy, which necessitates identification of alternative models for ongoing designs or future inventory requirements within the Transistors, Bipolar (BJT) category.
Substiute Parts
Key Parameters
| Parameter | MMS9018-H-TP |
|---|---|
| Manufacturer | Micro Commercial Co |
| Category | Transistors, Bipolar (BJT) |
| Transistor Type | NPN |
| Voltage - Collector Emitter Breakdown (Max) | 18 V |
| Current - Collector (Ic) (Max) | 50 mA |
| Power - Max | 200 mW |
| Frequency - Transition | 600MHz |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 105 @ 1mA, 5V |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23 |
| Part Status | Last Time Buy |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| HTSUS | 8541.21.0075 |
Substitute Part Grouping Explanation
Substitute parts are selected based strictly on equivalent electrical and mechanical parameters within the Transistors, Bipolar (BJT) category. The key substitution criteria include transistor type (NPN), maximum collector-emitter breakdown voltage, maximum collector current, maximum power dissipation, transition frequency, mounting type (surface mount), and package (TO-236-3, SC-59, SOT-23-3). Only parts matching these core parameters are considered valid substitutes.
Parameter Comparison
| Parameter | MMS9018-H-TP | MMBT918LT1G |
|---|---|---|
| Manufacturer | Micro Commercial Co | onsemi |
| Category | Transistors, Bipolar (BJT) | Transistors, Bipolar (BJT) |
| Transistor Type | NPN | NPN |
| Voltage - Collector Emitter Breakdown (Max) | 18 V | 15 V |
| Current - Collector (Ic) (Max) | 50 mA | 50 mA |
| Power - Max | 200 mW | 225 mW |
| Frequency - Transition | 600 MHz | 600 MHz |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23 | SOT-23-3 (TO-236) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8541.21.0075 | 8541.21.0075 |
Engineering Selection Recommendations
MMS9018-H-TP is currently Last Time Buy. MMBT918LT1G holds Active status and is ROHS3 compliant. Both MMS9018-H-TP and MMBT918LT1G are REACH unaffected and possess ECCN EAR99 classifications, indicating no additional export or regulatory restrictions. Both devices share identical operating temperature range and consistent packaging format. For ongoing designs or replacement needs, MMBT918LT1G matches the required compliance and supply chain criteria.
Frequently Asked Questions (FAQ)
Q: Which parameters determine direct substitution for MMS9018-H-TP in Bipolar (BJT) transistor applications?
A: Substitutes must match the transistor type, collector-emitter breakdown voltage, maximum collector current, power dissipation, transition frequency, mounting type, and package.
Q: Is the package for MMBT918LT1G directly compatible with MMS9018-H-TP?
A: Both use SOT-23-based surface mount packages, listed as TO-236-3, SC-59, SOT-23-3, which are directly compatible.
Q: Are operating temperature ranges equivalent between MMS9018-H-TP and MMBT918LT1G?
A: Both support an operating temperature range of -55°C ~ 150°C (TJ).
Q: What compliance standards do these parts meet?
A: Both MMS9018-H-TP and MMBT918LT1G are listed as REACH unaffected and ECCN EAR99. MMBT918LT1G is also ROHS3 compliant.
Q: Can substitute parts be used in all interface applications originally intended for MMS9018-H-TP?
A: Substitution is valid provided the electrical and package parameters match those listed.
Q: Is the supply chain stable for MMBT918LT1G as a substitute?
A: MMBT918LT1G is listed as active with a substantial in-stock inventory quantity.
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