CP302-MPSH10-WN RF Transistor NPN Equivalent & Substitute Parts

Part Overview

The CP302-MPSH10-WN is an RF Transistor NPN designed for UHF/VHF applications, manufactured by Central Semiconductor Corp. This surface mount die component operates at 25V collector-emitter breakdown voltage with a transition frequency of 650MHz and maximum power dissipation of 350mW. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. Substitute parts are selected based on matching or exceeding critical electrical parameters including voltage rating, frequency capability, power handling, and gain characteristics while maintaining surface mount compatibility where applicable.

Key Parameters

Parameter	CP302-MPSH10-WN	Unit
Transistor Type	NPN	-
Voltage - Collector Emitter Breakdown (Max)	25V	V
Frequency - Transition	650MHz	MHz
Power - Max	350mW	mW
DC Current Gain (hFE) (Min) @ Ic, Vce	60 @ 4mA, 10V	-
Operating Temperature	-65°C ~ 150°C	°C (TJ)
Mounting Type	Surface Mount	-
Package / Case	Die	-
Product Status	Obsolete	-

Substitute Part Grouping Explanation

Substitute parts for the CP302-MPSH10-WN are grouped based on the following substitution criteria:

Primary Substitution Parameters:

Transistor Type: NPN (mandatory match)
Voltage - Collector Emitter Breakdown: Equal to or greater than 25V
Frequency - Transition: Equal to or greater than 650MHz
Power - Max: Equal to or greater than 350mW
DC Current Gain (hFE): Minimum 60 at specified operating conditions
Mounting Type: Surface Mount (preferred for die replacement)
Operating Temperature Range: Must support -65°C to 150°C or equivalent

Grouping Logic: Parts are organized by their ability to meet or exceed the main part's electrical specifications. Parts with higher voltage ratings, frequency capabilities, and power handling provide direct substitution with enhanced performance margins. Parts with lower voltage or frequency ratings are included only when they meet the minimum 25V and 650MHz thresholds. Package type variations are noted as they affect circuit integration requirements.

Parameter Comparison

Part Number	Manufacturer	Voltage (Max)	Frequency	Power (Max)	hFE (Min)	Ic (Max)	Package Type	Product Status
CP302-MPSH10-WN	Central Semiconductor Corp	25V	650MHz	350mW	60 @ 4mA, 10V	-	Die	Obsolete
2SC5490A-TL-H	onsemi	10V	8GHz	100mW	90 @ 10mA, 5V	30mA	3-SSFP	Obsolete
BFP843FH6327XTSA1	Infineon Technologies	2.25V	-	125mW	150 @ 15mA, 1.8V	55mA	PG-TSFP-4-1	Active
BFR360L3E6765XTMA1	Infineon Technologies	9V	14GHz	210mW	90 @ 15mA, 3V	35mA	PG-TSLP-3-1	Active
BFS17NQTA	Diodes Incorporated	11V	3.2GHz	310mW	56 @ 5mA, 10V	50mA	SOT-23-3	Active
MAX2602ESA+T	Analog Devices Inc./Maxim Integrated	15V	1GHz	6.4W	100 @ 250mA, 3V	1.2A	8-SOIC-EP	Active
MMBT918LT1G	onsemi	15V	600MHz	225mW	20 @ 3mA, 1V	50mA	SOT-23-3	Active
MRF10031	MACOM Technology Solutions	55V	-	30W	20 @ 500mA, 5V	3A	332A-03	Active
MRF422	MACOM Technology Solutions	35V	-	150W	15 @ 5A, 5V	20A	211-11	Active
NSVF6003SB6T1G	onsemi	12V	7GHz	800mW	100 @ 50mA, 5V	150mA	6-CPH	Active

Engineering Selection Recommendations

Active Status Preference: All substitute parts listed with Active product status are recommended over the obsolete CP302-MPSH10-WN for new designs and production continuity. Active parts ensure long-term availability and ongoing manufacturer support.

Voltage Rating Considerations: The CP302-MPSH10-WN operates at 25V maximum collector-emitter breakdown voltage. Substitute parts with lower voltage ratings (2.25V, 9V, 10V, 11V, 12V, 15V) do not meet the minimum voltage specification and are unsuitable for direct replacement in circuits designed for 25V operation. Parts with equal or higher voltage ratings (MRF10031 at 55V, MRF422 at 35V) provide adequate voltage margin.

Frequency Capability: The 650MHz transition frequency requirement is met by MMBT918LT1G (600MHz - marginal), BFS17NQTA (3.2GHz), MAX2602ESA+T (1GHz), NSVF6003SB6T1G (7GHz), BFR360L3E6765XTMA1 (14GHz), and 2SC5490A-TL-H (8GHz). Parts with frequency specifications below 650MHz do not meet the RF performance requirement.

Power Dissipation: The 350mW power rating is exceeded by MAX2602ESA+T (6.4W), NSVF6003SB6T1G (800mW), BFR360L3E6765XTMA1 (210mW - insufficient), BFS17NQTA (310mW - marginal), and the high-power MACOM parts (30W and 150W).

RoHS and Compliance: All substitute parts listed are ROHS3 Compliant and REACH Unaffected, meeting modern environmental and regulatory requirements. The obsolete CP302-MPSH10-WN does not carry these certifications.

Package Compatibility: The original die package limits direct mechanical substitution. Surface mount alternatives in SOT-23-3, SOIC, and other standard packages require circuit board redesign. Chassis mount parts (MRF10031, MRF422) require significant mechanical integration changes.

Frequently Asked Questions (FAQ)

Q: Can I directly replace CP302-MPSH10-WN with any of these substitute parts?

A: Direct replacement depends on circuit requirements and package constraints. The original part is a die package, while most substitutes use standard surface mount packages (SOT-23-3, SOIC, TSFP, TSLP). Electrical compatibility requires matching or exceeding the 25V voltage rating, 650MHz frequency, and 350mW power specifications. Only parts meeting all three criteria are electrically compatible.

Q: Which substitute part best matches the original specifications?

A: No single substitute part matches all original specifications exactly. MAX2602ESA+T provides the closest voltage rating (15V) and power capability (6.4W), but uses an 8-SOIC-EP package instead of die. NSVF6003SB6T1G offers 12V voltage, 7GHz frequency, and 800mW power in a 6-CPH package. Selection depends on which parameters are most critical for your application.

Q: Why do some substitute parts have lower voltage ratings than the original?

A: Parts with voltage ratings below 25V (such as BFP843FH6327XTSA1 at 2.25V, BFR360L3E6765XTMA1 at 9V, and 2SC5490A-TL-H at 10V) are not suitable substitutes for the CP302-MPSH10-WN. These parts are included in the reference list because they appear in the manufacturer's cross-reference data, but they do not meet the minimum 25V requirement and should not be selected for direct replacement.

Q: What is the significance of product status (Active vs. Obsolete)?

A: Active status indicates ongoing manufacturer production and availability. Obsolete status means the part is no longer manufactured and existing inventory is limited. For the CP302-MPSH10-WN (Obsolete), selecting an Active substitute ensures long-term supply chain reliability and continued technical support from the manufacturer.

Q: How do I account for package differences when substituting?

A: Package differences require circuit board redesign. The original die package is mounted directly on a substrate, while surface mount packages (SOT-23-3, SOIC, TSFP, TSLP) use standard lead frames. Chassis mount packages (332A-03, 211-11) require mechanical mounting changes. Evaluate your PCB layout capabilities and thermal management requirements before selecting a substitute with a different package type.

Q: Are all listed substitutes RoHS compliant?

A: All substitute parts listed carry ROHS3 Compliant certification. The original CP302-MPSH10-WN does not specify RoHS compliance. If your application requires RoHS compliance, all listed substitutes meet this requirement.

Q: What does DC Current Gain (hFE) mean for substitution?

A: DC Current Gain (hFE) determines the transistor's amplification capability at specified collector current and collector-emitter voltage. The original part specifies hFE minimum of 60 at 4mA and 10V. Substitute parts with higher hFE values (such as BFP843FH6327XTSA1 at 150) provide greater amplification but may require circuit bias adjustments. Parts with lower hFE (such as MRF10031 at 20) require higher base drive current.

Q: Can I use a higher-power substitute in a circuit designed for 350mW?

A: Yes, higher-power substitutes (such as MAX2602ESA+T at 6.4W or NSVF6003SB6T1G at 800mW) can be used in circuits designed for lower power. The higher power rating provides thermal margin and allows operation at higher current levels without exceeding junction temperature limits. However, verify that the package thermal characteristics and circuit board thermal management are adequate for the substitute part.

Q: What is Moisture Sensitivity Level (MSL)?

A: MSL 1 (Unlimited) indicates the component has no moisture sensitivity restrictions and does not require special handling, storage, or baking procedures before soldering. All listed parts carry MSL 1 rating, matching the original part's moisture sensitivity classification.

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