S8050 Equivalent & Substitute Parts

Part Overview

The S8050 is an NPN bipolar junction transistor (BJT) manufactured by UMW, designed for general-purpose switching and amplification applications. This Surface Mount device is packaged in SOT-23 (TO-236-3) configuration and operates at maximum ratings of 25V collector-emitter breakdown voltage, 500mA collector current, and 300mW power dissipation. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified to support design flexibility, inventory management, and supply chain continuity while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	25	V
Current - Collector (Ic) (Max)	500	mA
Power - Max	300	mW
Frequency - Transition	150	MHz
Vce Saturation (Max) @ Ib, Ic	600mV @ 50mA, 500mA	—
DC Current Gain (hFE) (Min) @ Ic, Vce	120 @ 50mA, 1V	—
Current - Collector Cutoff (Max)	100	nA
Package / Case	TO-236-3, SC-59, SOT-23-3	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the S8050 are identified based on strict electrical and mechanical parameter matching. The substitution criteria are:

Primary Matching Parameters:

Transistor Type: NPN
Voltage - Collector Emitter Breakdown (Max): 25V
Current - Collector (Ic) (Max): 500mA
Power - Max: 300mW
Frequency - Transition: 150MHz
Vce Saturation (Max) @ Ib, Ic: 600mV @ 50mA, 500mA
DC Current Gain (hFE) (Min) @ Ic, Vce: 120 @ 50mA, 1V
Current - Collector Cutoff (Max): 100nA
Package / Case: TO-236-3, SC-59, SOT-23-3
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

All identified substitute parts meet these electrical and mechanical specifications, ensuring direct functional equivalence in circuit applications.

Parameter Comparison

Parameter	S8050 (UMW)	S8050 (EVVO Semi)	S9013 (EVVO Semi)
Transistor Type	NPN	NPN	NPN
Voltage - Collector Emitter Breakdown (Max)	25V	25V	25V
Current - Collector (Ic) (Max)	500mA	500mA	500mA
Power - Max	300mW	300mW	300mW
Frequency - Transition	150MHz	150MHz	150MHz
Vce Saturation (Max) @ Ib, Ic	600mV @ 50mA, 500mA	600mV @ 50mA, 500mA	600mV @ 50mA, 500mA
DC Current Gain (hFE) (Min) @ Ic, Vce	120 @ 50mA, 1V	120 @ 50mA, 1V	120 @ 50mA, 1V
Current - Collector Cutoff (Max)	100nA	100nA	100nA
Package / Case	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Operating Temperature	150°C (TJ)	150°C (TJ)	-55°C ~ 150°C (TJ)
Product Status	Active	Active	Active

Engineering Selection Recommendations

All identified substitute parts maintain Active product status and full RoHS3 compliance, ensuring regulatory and environmental conformance across applications. The S8050 manufactured by EVVO Semi provides direct electrical and mechanical equivalence to the UMW S8050, with identical parameter specifications and SOT-23 packaging.

The S9013 manufactured by EVVO Semi meets all electrical specifications and packaging requirements. This part extends the operating temperature range to -55°C ~ 150°C (TJ), providing enhanced thermal performance compared to the primary part specification of 150°C (TJ). Selection between these parts depends on application-specific temperature requirements and supply chain availability.

All substitute parts are certified ROHS3 compliant with MSL 1 rating, supporting use in standard surface mount assembly processes without additional moisture handling requirements.

Frequently Asked Questions (FAQ)

Q: Can the S8050 (EVVO Semi) be used as a direct replacement for the S8050 (UMW)?

A: Yes. Both parts share identical electrical parameters including 25V breakdown voltage, 500mA maximum collector current, 300mW power rating, 150MHz transition frequency, and 600mV saturation voltage. Both are packaged in SOT-23 (TO-236-3) Surface Mount configuration with matching RoHS3 compliance and MSL 1 rating.

Q: What is the difference between the S8050 and S9013?

A: The S8050 and S9013 are electrically equivalent across all specified parameters: 25V breakdown voltage, 500mA collector current, 300mW power dissipation, 150MHz transition frequency, and identical saturation and gain characteristics. The S9013 extends the operating temperature range to -55°C ~ 150°C (TJ) compared to the S8050 specification of 150°C (TJ). Both use SOT-23 packaging and maintain ROHS3 compliance.

Q: Are all substitute parts compatible with existing PCB layouts?

A: Yes. All substitute parts use the TO-236-3, SC-59, SOT-23-3 package designation with Surface Mount configuration. Pin assignments and footprint dimensions are identical, supporting direct PCB layout compatibility without design modification.

Q: Do substitute parts require different handling or storage procedures?

A: No. All substitute parts maintain MSL 1 (Unlimited) moisture sensitivity rating, identical to the primary S8050 part. Standard surface mount assembly handling and storage procedures apply without modification.

Q: Which substitute part should be selected for extended temperature applications?

A: The S9013 (EVVO Semi) provides an extended operating temperature range of -55°C ~ 150°C (TJ), compared to the S8050 specification of 150°C (TJ). Selection depends on application-specific minimum operating temperature requirements.

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