PMST5089,115 Equivalent & Substitute Parts

Part Overview

The PMST5089,115 is an NPN bipolar junction transistor (BJT) manufactured by Nexperia USA Inc. in SOT-323 surface mount packaging. This small-signal transistor is rated for 25 V collector-emitter breakdown voltage, 100 mA maximum collector current, and 200 mW power dissipation. The device operates at 100 MHz transition frequency and is qualified to AEC-Q101 automotive standards with active product status.

Equivalent and substitute parts are identified based on matching electrical performance within the SOT-323 package form factor, maintaining compatibility with surface mount assembly processes and circuit design requirements.

Key Parameters

Parameter	PMST5089,115	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	25	V
Current - Collector (Ic) (Max)	100	mA
Power - Max	200	mW
Frequency - Transition	100	MHz
Operating Temperature (Max)	150	°C
Package / Case	SOT-323	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Grade	Automotive	—
Qualification	AEC-Q101	—

Substitute Part Grouping Explanation

Substitute parts for the PMST5089,115 are selected based on the following criteria:

Electrical Compatibility Parameters:

Transistor type: NPN configuration
Maximum collector current: 100 mA or greater
Transition frequency: 100 MHz or greater
Power dissipation: 200 mW or greater
Operating temperature range: minimum 150°C junction temperature

Mechanical Compatibility Parameters:

Package type: SOT-323 (SC-70) surface mount
Mounting method: Surface mount technology

Regulatory Compliance:

RoHS3 compliance
REACH unaffected status
ECCN classification: EAR99

Substitute parts identified in this reference maintain electrical performance within or exceeding the PMST5089,115 specifications. Voltage ratings of 30 V on substitute devices provide additional design margin while remaining compatible with 25 V circuit applications. All substitute parts are active products with current manufacturing status.

Parameter Comparison

Part Number	Manufacturer	Ic (Max) mA	Vce Breakdown (Max) V	Power (Max) mW	Frequency MHz	Temp (Max) °C	Package	Status
PMST5089,115	Nexperia USA Inc.	100	25	200	100	150	SOT-323	Active
BC848AW RFG	Taiwan Semiconductor Corporation	100	30	200	100	150	SOT-323	Active
BC848BW RFG	Taiwan Semiconductor Corporation	100	30	200	100	150	SOT-323	Active
BC848CW RFG	Taiwan Semiconductor Corporation	100	30	200	100	150	SOT-323	Active
BC848CWT1G	Fairchild Semiconductor	100	30	150	100	150	SOT-323	Active
BC849AW RFG	Taiwan Semiconductor Corporation	100	30	200	100	150	SOT-323	Active
BC849BW RFG	Taiwan Semiconductor Corporation	100	30	200	100	150	SOT-323	Active
BC849CW RFG	Taiwan Semiconductor Corporation	100	30	200	100	150	SOT-323	Active

Engineering Selection Recommendations

All identified substitute parts maintain active product status with current manufacturing availability. Selection among equivalent devices is determined by application-specific requirements:

BC848 Series (Taiwan Semiconductor Corporation): BC848AW RFG, BC848BW RFG, and BC848CW RFG are direct functional equivalents with 30 V voltage rating, 200 mW power rating, and SOT-323 packaging. These devices are ROHS3 compliant and REACH unaffected. Differentiation within the BC848 series is based on DC current gain (hFE) specifications: BC848AW provides 110 hFE minimum, BC848BW provides 200 hFE minimum, and BC848CW provides 420 hFE minimum at specified test conditions.

BC848CWT1G (Fairchild Semiconductor): This variant maintains 30 V voltage rating and 100 MHz transition frequency in SOT-323 packaging. Power dissipation is rated at 150 mW, which is lower than the PMST5089,115 specification. This device is suitable for applications where power dissipation does not exceed 150 mW.

BC849 Series (Taiwan Semiconductor Corporation): BC849AW RFG, BC849BW RFG, and BC849CW RFG provide equivalent electrical performance to the BC848 series with identical voltage, current, and frequency ratings. DC current gain differentiation follows the same pattern: BC849AW at 110 hFE minimum, BC849BW at 200 hFE minimum, and BC849CW at 420 hFE minimum.

All substitute parts are available in tape and reel packaging for automated assembly processes. Compliance certifications (ROHS3, REACH, EAR99) are consistent across all identified equivalents.

Frequently Asked Questions (FAQ)

Q: Can BC848 and BC849 series devices be used interchangeably with the PMST5089,115?

A: Yes. Both BC848 and BC849 series devices meet the electrical requirements of the PMST5089,115 within the specified SOT-323 package. All devices maintain 100 mA collector current, 100 MHz transition frequency, and surface mount compatibility. The 30 V voltage rating on substitute devices exceeds the 25 V requirement of the PMST5089,115.

Q: What is the difference between BC848AW, BC848BW, and BC848CW variants?

A: The primary difference is DC current gain (hFE) specification. BC848AW is specified at 110 hFE minimum, BC848BW at 200 hFE minimum, and BC848CW at 420 hFE minimum, all measured at 2 mA collector current and 5 V collector-emitter voltage. Circuit designs requiring specific gain characteristics should select the appropriate variant.

Q: Is the BC848CWT1G suitable as a direct replacement?

A: The BC848CWT1G is functionally compatible with the PMST5089,115 in SOT-323 packaging with matching voltage and current ratings. However, the maximum power dissipation is 150 mW compared to 200 mW for the PMST5089,115. Applications requiring power dissipation above 150 mW should use alternative substitutes with 200 mW ratings.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All identified substitute parts are ROHS3 compliant and REACH unaffected, matching the regulatory status of the PMST5089,115.

Q: What packaging formats are available for substitute parts?

A: Substitute parts are available in tape and reel (TR) packaging for automated surface mount assembly. The BC848CWT1G is available in bulk packaging. All devices are supplied in SOT-323 package format compatible with standard pick-and-place equipment.

Q: Can the PMST5089,115 be used in applications designed for BC848 or BC849 devices?

A: Yes. The PMST5089,115 meets the electrical specifications of BC848 and BC849 series devices. The 25 V voltage rating is lower than the 30 V rating of substitute devices, making the PMST5089,115 suitable for applications with 25 V or lower voltage requirements. All devices share identical current, frequency, and power specifications within the SOT-323 package.

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