2SC6099-E Equivalent & Substitute Parts

Part Overview

The 2SC6099-E is an NPN bipolar junction transistor manufactured by onsemi, rated for 100 V collector-emitter breakdown voltage and 2 A maximum collector current. This device is designed for through-hole mounting applications and delivers 800 mW maximum power dissipation with a transition frequency of 300 MHz. The 2SC6099-E is classified as obsolete, necessitating identification of equivalent substitute components for ongoing production and maintenance applications. Equivalent parts maintain the same electrical performance characteristics while offering alternative packaging configurations or updated product status.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Collector Current (Max)	2	A
Collector-Emitter Breakdown Voltage (Max)	100	V
Power Dissipation (Max)	800	mW
Transition Frequency	300	MHz
DC Current Gain (hFE Min)	300	@ 100mA, 5V
Operating Temperature (Max)	150	°C
Mounting Type	Through Hole	—

Substitute Part Grouping Explanation

Substitute parts for the 2SC6099-E are selected based on electrical parameter equivalence within the allowed specifications for NPN bipolar junction transistors. The primary substitution criteria are:

Electrical Equivalence Parameters:

Collector current rating: 2 A maximum
Collector-emitter breakdown voltage: 100 V maximum
Transistor polarity: NPN configuration
Power dissipation capability: minimum 800 mW

Acceptable Variations:

Transition frequency may differ (140 MHz to 300 MHz range acceptable)
Operating temperature maximum may exceed 150°C
DC current gain (hFE) may vary within specified test conditions
Vce saturation characteristics may differ within acceptable limits
Collector cutoff current (ICBO) may vary

Packaging Considerations: Substitute parts are available in surface-mount and through-hole configurations. Selection depends on circuit board design requirements and assembly capabilities.

Parameter Comparison

Parameter	2SC6099-E	2SC6099-TL-E	PHPT61002NYCX
Manufacturer	onsemi	onsemi	Nexperia USA Inc.
Transistor Type	NPN	NPN	NPN
Collector Current (Max)	2 A	2 A	2 A
Collector-Emitter Breakdown Voltage (Max)	100 V	100 V	100 V
Power Dissipation (Max)	800 mW	800 mW	1.25 W
Transition Frequency	300 MHz	300 MHz	140 MHz
Operating Temperature (Max)	150°C	150°C	175°C
Mounting Type	Through Hole	Surface Mount	Surface Mount
Package / Case	TO-251-3 Short Leads, IPak, TO-251AA	TO-252-3, DPAK (2 Leads + Tab), SC-63	SC-100, SOT-669
Product Status	Obsolete	Not For New Designs	Active
RoHS Status	—	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

2SC6099-TL-E (onsemi): This part maintains identical electrical specifications to the 2SC6099-E, including 2 A collector current, 100 V breakdown voltage, 300 MHz transition frequency, and 800 mW power dissipation. The primary difference is packaging: 2SC6099-TL-E uses surface-mount TO-252-3 (DPAK) configuration versus through-hole TO-251-3 for the original part. This substitute is classified as "Not For New Designs," indicating onsemi has transitioned away from this product line. Selection of 2SC6099-TL-E is appropriate for direct replacement in existing through-hole designs requiring surface-mount conversion or for applications where DPAK packaging is acceptable. RoHS3 compliance is confirmed.

PHPT61002NYCX (Nexperia USA Inc.): This part meets the core electrical requirements of 2 A collector current and 100 V breakdown voltage. The PHPT61002NYCX offers enhanced specifications including 1.25 W maximum power dissipation (56% higher than the original), 175°C maximum operating temperature (25°C higher), and improved collector cutoff current specification (100 nA versus 1 µA). Transition frequency is 140 MHz, which is lower than the 2SC6099-E specification of 300 MHz. The PHPT61002NYCX is classified as Active product status, indicating ongoing manufacturer support and availability. This part uses LFPAK56 (Power-SO8) surface-mount packaging. Selection of PHPT61002NYCX is appropriate for applications where enhanced thermal performance and long-term product availability are priorities, provided the 140 MHz transition frequency meets circuit requirements. RoHS3 compliance is confirmed.

Frequently Asked Questions (FAQ)

Q: Can 2SC6099-TL-E directly replace 2SC6099-E in existing through-hole circuit boards?

A: Direct board-level replacement is not possible without circuit board redesign. The 2SC6099-E uses through-hole TO-251-3 packaging, while 2SC6099-TL-E uses surface-mount TO-252-3 (DPAK) packaging. Mechanical mounting and lead configuration differ. However, electrical performance is identical, so 2SC6099-TL-E can be used in redesigned surface-mount implementations.

Q: What is the primary difference between 2SC6099-E and PHPT61002NYCX?

A: Both parts meet the 2 A / 100 V electrical requirements. Key differences are: PHPT61002NYCX provides higher power dissipation (1.25 W versus 800 mW), higher operating temperature rating (175°C versus 150°C), and lower transition frequency (140 MHz versus 300 MHz). PHPT61002NYCX is Active product status; 2SC6099-E is Obsolete.

Q: Is transition frequency a critical substitution parameter?

A: Transition frequency (fT) is a critical parameter for high-frequency applications. The 2SC6099-E specifies 300 MHz; PHPT61002NYCX specifies 140 MHz. For applications operating near or above 140 MHz, the reduced transition frequency of PHPT61002NYCX may impact circuit performance. For applications operating below 140 MHz, PHPT61002NYCX is acceptable.

Q: Are all substitute parts RoHS3 compliant?

A: 2SC6099-TL-E and PHPT61002NYCX are both confirmed RoHS3 compliant. The original 2SC6099-E does not specify RoHS status in available documentation.

Q: Which substitute part offers the longest product lifecycle?

A: PHPT61002NYCX is classified as Active product status, indicating ongoing manufacturer support and availability. 2SC6099-TL-E is classified as "Not For New Designs," indicating limited future availability. For new designs requiring long-term component availability, PHPT61002NYCX is the preferred selection.

Q: Can PHPT61002NYCX be used in applications requiring 300 MHz transition frequency?

A: PHPT61002NYCX specifies 140 MHz transition frequency, which is significantly lower than the 2SC6099-E specification of 300 MHz. Use of PHPT61002NYCX in applications requiring 300 MHz performance is not supported by the specified electrical parameters.

Q: What packaging considerations apply to each substitute?

A: 2SC6099-E uses through-hole TO-251-3 packaging for manual or wave soldering assembly. 2SC6099-TL-E uses surface-mount TO-252-3 (DPAK) packaging for reflow soldering. PHPT61002NYCX uses surface-mount LFPAK56 (Power-SO8) packaging for reflow soldering. Selection depends on assembly process capabilities and circuit board design.

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