2SD13280RL Equivalent & Substitute Parts

Part Overview

The 2SD13280RL is an NPN bipolar junction transistor manufactured by Panasonic Electronic Components, designed for surface mount applications in the Mini3-G1 package. This device operates at a maximum collector current of 500 mA with a 20 V collector-emitter breakdown voltage and 200 mW power dissipation capability. The 2SD13280RL is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. Substitute components must maintain electrical compatibility across critical parameters including collector current rating, voltage specifications, and thermal characteristics while accommodating modern active product availability.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Current - Collector (Ic) (Max)	500	mA
Voltage - Collector Emitter Breakdown (Max)	20	V
Vce Saturation (Max) @ Ib, Ic	400 mV @ 20 mA, 500 mA	—
Current - Collector Cutoff (Max)	100	nA
DC Current Gain (hFE) (Min) @ Ic, Vce	200 @ 500 mA, 2 V	—
Power - Max	200	mW
Frequency - Transition	200	MHz
Operating Temperature (TJ)	150	°C
Mounting Type	Surface Mount	—
Package / Case	TO-236-3, SC-59, SOT-23-3	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the 2SD13280RL is determined by strict adherence to the following critical parameters:

Primary Compatibility Criteria:

Transistor Type: NPN (mandatory match)
Current - Collector (Ic) (Max): 500 mA minimum
Voltage - Collector Emitter Breakdown (Max): 20 V minimum
Power - Max: 200 mW minimum
Mounting Type: Surface Mount (mandatory match)
Package / Case: TO-236-3, SC-59, SOT-23-3 (mandatory match)

Secondary Compatibility Considerations:

Vce Saturation characteristics at specified bias conditions
DC Current Gain (hFE) specifications
Operating temperature range
Frequency - Transition capability
Current - Collector Cutoff (ICBO) specifications

Substitute parts are grouped into two categories based on their electrical performance relative to the 2SD13280RL baseline:

Category A - Direct Electrical Equivalents: Parts meeting or exceeding all primary compatibility criteria with matching or superior electrical performance characteristics.

Category B - Functional Alternatives: Parts exceeding primary compatibility criteria in one or more parameters (such as higher collector current capability or power dissipation) while maintaining full backward compatibility with the 2SD13280RL application envelope.

Parameter Comparison

Parameter	2SD13280RL	2SD2114KT146V	2SD2114KT146W	BC818-40LT1G	DSS20201L-7	MMS8050-H-TP	MMS8050-L-TP	NSS20201LT1G	NSV20201LT1G
Transistor Type	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN
Current - Collector (Ic) (Max)	500 mA	500 mA	500 mA	500 mA	2 A	500 mA	500 mA	2 A	2 A
Voltage - Collector Emitter Breakdown (Max)	20 V	20 V	20 V	25 V	20 V	25 V	25 V	20 V	20 V
Vce Saturation (Max) @ Ib, Ic	400 mV @ 20 mA, 500 mA	400 mV @ 20 mA, 500 mA	400 mV @ 20 mA, 500 mA	700 mV @ 50 mA, 500 mA	100 mV @ 200 mA, 2 A	600 mV @ 50 mA, 500 mA	600 mV @ 50 mA, 500 mA	100 mV @ 200 mA, 2 A	100 mV @ 200 mA, 2 A
Current - Collector Cutoff (Max)	100 nA	500 nA	500 nA	100 nA	100 nA	100 nA	100 nA	100 nA	100 nA
DC Current Gain (hFE) (Min) @ Ic, Vce	200 @ 500 mA, 2 V	820 @ 10 mA, 3 V	1200 @ 10 mA, 3 V	250 @ 100 mA, 1 V	200 @ 500 mA, 2 V	120 @ 50 mA, 1 V	120 @ 50 mA, 1 V	200 @ 500 mA, 2 V	200 @ 500 mA, 2 V
Power - Max	200 mW	200 mW	200 mW	225 mW	600 mW	300 mW	300 mW	460 mW	460 mW
Frequency - Transition	200 MHz	350 MHz	350 MHz	100 MHz	150 MHz	150 MHz	150 MHz	150 MHz	150 MHz
Operating Temperature (TJ)	150 °C	150 °C	150 °C	-55 to 150 °C	-55 to 150 °C	-55 to 150 °C	-55 to 150 °C	-55 to 150 °C	-55 to 150 °C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
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	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	—	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	—	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Category A - Direct Electrical Equivalents (Recommended Primary Substitutes):

The 2SD2114KT146V and 2SD2114KT146W (Rohm Semiconductor) are direct electrical equivalents meeting all primary compatibility criteria. Both devices maintain the 20 V collector-emitter breakdown voltage and 500 mA maximum collector current specifications. The 2SD2114KT146W is preferred due to significantly higher inventory availability (234,300 units) compared to the 2SD2114KT146V (45,200 units). Both parts are ROHS3 compliant and REACH unaffected, providing regulatory compliance for modern applications. The transition frequency of 350 MHz exceeds the 2SD13280RL specification, offering enhanced performance margin.

The NSS20201LT1G and NSV20201LT1G (onsemi) provide functional equivalence with enhanced current handling capability (2 A maximum collector current) while maintaining the 20 V voltage specification. These parts are ROHS3 compliant and REACH unaffected. The higher current rating provides design flexibility for applications requiring increased collector current capacity within the same package footprint.

Category B - Functional Alternatives (Secondary Substitutes):

The DSS20201L-7 (Diodes Incorporated) offers 2 A maximum collector current with 20 V voltage specification and superior power dissipation (600 mW). This part is ROHS3 compliant and REACH unaffected, suitable for applications requiring higher current or power handling within the SOT-23-3 package.

The BC818-40LT1G (onsemi) and MMS8050-H-TP/MMS8050-L-TP (Micro Commercial Co) provide 25 V collector-emitter breakdown voltage, exceeding the 2SD13280RL specification. These parts maintain 500 mA maximum collector current and are ROHS3 compliant and REACH unaffected. The higher voltage rating provides additional design margin for applications with voltage transient concerns.

All substitute parts maintain surface mount compatibility with TO-236-3, SC-59, SOT-23-3 package specifications and MSL 1 (Unlimited) moisture sensitivity classification, ensuring assembly process compatibility with the original 2SD13280RL.

Frequently Asked Questions (FAQ)

Q: Can the 2SD2114KT146W directly replace the 2SD13280RL in existing designs?

A: Yes. The 2SD2114KT146W maintains identical collector current (500 mA), collector-emitter breakdown voltage (20 V), and power dissipation (200 mW) specifications. Both devices use the same TO-236-3/SOT-23-3 package. The 2SD2114KT146W is ROHS3 compliant and REACH unaffected, meeting modern regulatory requirements. The higher transition frequency (350 MHz vs. 200 MHz) provides performance margin without circuit modification.

Q: What is the difference between the 2SD2114KT146V and 2SD2114KT146W?

A: Both parts are electrically equivalent with identical electrical specifications. The primary difference is inventory availability: 2SD2114KT146W has 234,300 units in stock compared to 45,200 units for the 2SD2114KT146V. Both are ROHS3 compliant and REACH unaffected. The 2SD2114KT146W is recommended for new designs due to superior supply availability.

Q: Why are NSS20201LT1G and NSV20201LT1G listed as substitutes if they have 2 A collector current instead of 500 mA?

A: Higher collector current rating provides backward compatibility with the 2SD13280RL application envelope. A 2 A rated device operates safely at 500 mA, providing design margin and flexibility. Both parts maintain the 20 V collector-emitter breakdown voltage and are ROHS3 compliant. The higher current capability allows use in applications requiring increased current capacity without circuit redesign.

Q: Can I use BC818-40LT1G or MMS8050-H-TP as substitutes if my circuit operates at 20 V?

A: Yes. Both BC818-40LT1G and MMS8050-H-TP have 25 V collector-emitter breakdown voltage ratings, which exceed the 2SD13280RL 20 V specification. This higher voltage rating provides additional design margin and is fully compatible with 20 V operation. Both parts maintain 500 mA maximum collector current and are ROHS3 compliant.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected. The 2SD13280RL does not specify RoHS status due to its obsolete classification. All active substitute parts meet current regulatory requirements for new designs and production.

Q: What is the significance of the different Vce saturation specifications among substitute parts?

A: Vce saturation (saturation voltage) varies based on bias conditions and transistor design. The 2SD13280RL specifies 400 mV at 20 mA base current and 500 mA collector current. The 2SD2114KT146V and 2SD2114KT146W match this specification exactly. Parts with different saturation specifications (such as DSS20201L-7 at 100 mV) operate at different bias points and are suitable for applications with different switching requirements. Selection depends on specific circuit bias conditions.

Q: Can I use DSS20201L-7 in a circuit designed for 500 mA if it is rated for 2 A?

A: Yes. The DSS20201L-7 is rated for 2 A maximum collector current, making it fully compatible with 500 mA operation. The device operates safely at any current level up to its maximum rating. The 20 V collector-emitter breakdown voltage matches the 2SD13280RL specification. The higher current rating provides design margin and is ROHS3 compliant.

Q: What packaging options are available for substitute parts?

A: All substitute parts use TO-236-3, SC-59, or SOT-23-3 package designations, which are physically and electrically equivalent. Packaging options include Cut Tape (CT) & Digi-Reel® and Tape & Reel (TR) formats. The 2SD2114KT146W offers the highest inventory in Cut Tape & Digi-Reel® format (234,300 units). Package selection depends on assembly process requirements and volume needs.

Q: Is the MMS8050-L-TP different from MMS8050-H-TP?

A: Both MMS8050-L-TP and MMS8050-H-TP are electrically identical with matching specifications. The primary difference is packaging format: MMS8050-H-TP uses Cut Tape (CT) & Digi-Reel® (100,300 units in stock), while MMS8050-L-TP uses Tape & Reel (TR) format (4,100 units in stock). Selection depends on assembly equipment compatibility and volume requirements.

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