CPH3107-TL-E Equivalent & Substitute Parts

Part Overview

The CPH3107-TL-E is a Surface Mount PNP Bipolar Junction Transistor manufactured by onsemi, rated for 15V collector-emitter breakdown voltage and 6A maximum collector current. This device is classified as Obsolete, necessitating identification of equivalent substitute components for ongoing design requirements and production continuity. The part is housed in a TO-236-3 (SOT-23-3) package and delivers 900mW maximum power dissipation with 140MHz transition frequency.

Key Parameters

Parameter	Value	Unit
Transistor Type	PNP	—
Voltage - Collector Emitter Breakdown (Max)	15	V
Current - Collector (Ic) (Max)	6	A
Power - Max	900	mW
Frequency - Transition	140	MHz
Package / Case	TO-236-3, SC-59, SOT-23-3	—
Mounting Type	Surface Mount	—
Operating Temperature (Max)	150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the CPH3107-TL-E are selected based on the following electrical and mechanical compatibility criteria:

Primary Substitution Criteria:

Transistor Type: PNP configuration
Package / Case: TO-236-3 / SOT-23-3 surface mount
Voltage - Collector Emitter Breakdown: Equal to or greater than 15V
Current - Collector (Ic) (Max): Equal to or greater than 6A
Power - Max: Equal to or greater than 900mW
Mounting Type: Surface Mount
RoHS Compliance: ROHS3 Compliant

Substitute Classification:

MFR Recommended Substitute: NSS20200LT1G (onsemi) — Active product status with same manufacturer lineage and identical package specification. Electrical parameters meet minimum substitution thresholds with higher voltage rating (20V) and active product availability.

Similar Substitute: ZXTP23015CFHTA (Diodes Incorporated) — Active product status with matching voltage rating (15V), superior current capability (5A), and enhanced power dissipation (1.25W). Provides direct electrical compatibility with improved performance margins.

Parameter Comparison

Parameter	CPH3107-TL-E	NSS20200LT1G	ZXTP23015CFHTA	Unit
Manufacturer	onsemi	onsemi	Diodes Incorporated	—
Product Status	Obsolete	Active	Active	—
Transistor Type	PNP	PNP	PNP	—
Voltage - Collector Emitter Breakdown (Max)	15	20	15	V
Current - Collector (Ic) (Max)	6	2	5	A
Power - Max	900	460	1250	mW
Frequency - Transition	140	100	270	MHz
Package / Case	TO-236-3, SOT-23-3	TO-236-3, SOT-23-3	TO-236-3, SOT-23-3	—
Mounting Type	Surface Mount	Surface Mount	Surface Mount	—
Operating Temperature (Max)	150	150	150	°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	—
Current - Collector Cutoff (Max)	100	100	20	nA
DC Current Gain (hFE) (Min) @ Ic, Vce	200 @ 500mA, 2V	250 @ 500mA, 2V	200 @ 500mA, 2V	—

Engineering Selection Recommendations

NSS20200LT1G Selection Rationale:

The NSS20200LT1G is classified as the MFR Recommended substitute due to manufacturer continuity (onsemi) and Active product status. This part maintains identical package specification (TO-236-3 / SOT-23-3) and meets all minimum electrical substitution criteria. The 20V voltage rating provides additional design margin above the 15V requirement. However, the maximum collector current specification (2A) falls below the original 6A rating, and power dissipation (460mW) is reduced compared to the CPH3107-TL-E (900mW). This substitute is suitable for applications where collector current requirements do not exceed 2A.

ZXTP23015CFHTA Selection Rationale:

The ZXTP23015CFHTA is classified as a Similar substitute and provides superior electrical performance characteristics. This part maintains the 15V voltage rating and delivers 5A maximum collector current with 1.25W power dissipation, approaching the original device specifications more closely. The 270MHz transition frequency exceeds the original 140MHz rating. Active product status and ROHS3 compliance ensure long-term availability and regulatory alignment. This substitute is suitable for applications requiring current levels between 2A and 5A.

Both substitutes maintain identical surface mount package specifications, operating temperature ranges, and regulatory compliance status. Selection between substitutes depends on specific application current requirements and performance margins.

Frequently Asked Questions (FAQ)

Q: Can NSS20200LT1G directly replace CPH3107-TL-E in all applications?

A: NSS20200LT1G maintains identical package and mounting specifications. However, the maximum collector current rating (2A) is lower than the original device (6A). Direct replacement is limited to applications where collector current does not exceed 2A. Verify circuit current requirements before substitution.

Q: What are the key differences between the two substitute options?

A: NSS20200LT1G offers higher voltage rating (20V vs. 15V) but lower current capability (2A vs. 5A or 6A). ZXTP23015CFHTA matches the original voltage rating (15V) and provides superior current handling (5A) and power dissipation (1.25W). ZXTP23015CFHTA also features higher transition frequency (270MHz vs. 140MHz).

Q: Are both substitutes compatible with existing PCB layouts designed for CPH3107-TL-E?

A: Yes. Both substitutes use identical TO-236-3 / SOT-23-3 package specifications, ensuring mechanical and electrical pin compatibility with existing surface mount PCB designs.

Q: What is the significance of the Obsolete status for CPH3107-TL-E?

A: Obsolete status indicates the manufacturer has discontinued production. Both substitute parts maintain Active product status, ensuring continued availability and supply chain reliability for new designs and production runs.

Q: Do both substitutes meet the same regulatory compliance requirements?

A: Yes. Both NSS20200LT1G and ZXTP23015CFHTA are ROHS3 Compliant and REACH Unaffected, matching the regulatory status of the original CPH3107-TL-E device.

Q: Which substitute should be selected for high-current applications?

A: ZXTP23015CFHTA is the appropriate selection for applications requiring collector currents between 2A and 5A. NSS20200LT1G is limited to applications with collector currents not exceeding 2A.

Q: Are there any thermal considerations when selecting between substitutes?

A: ZXTP23015CFHTA provides higher power dissipation capability (1.25W vs. 460mW for NSS20200LT1G), offering better thermal performance in power-intensive applications. Both devices support identical maximum operating temperature (150°C).

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