CPH3215-TL-E Equivalent & Substitute Parts

Part Overview

The CPH3215-TL-E is an NPN bipolar junction transistor manufactured by onsemi, rated for 30V collector-emitter breakdown voltage and 1.5A maximum collector current. This device is packaged in a 3-CPH surface mount configuration and is currently classified as obsolete. Due to its obsolete status, equivalent and substitute parts are necessary for ongoing design support, production continuity, and component sourcing. The substitute parts listed maintain electrical compatibility within specified parameter ranges while offering active product status and alternative packaging options.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	30	V
Current - Collector (Ic) (Max)	1.5	A
Power - Max	900	mW
Frequency - Transition	500	MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	200 @ 100mA, 2V	—
Vce Saturation (Max) @ Ib, Ic	225mV @ 15mA, 750mA	—
Current - Collector Cutoff (Max)	100	nA
Operating Temperature (Max)	150	°C
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the CPH3215-TL-E is determined by the following critical electrical parameters:

Voltage Rating: Collector-emitter breakdown voltage must equal or exceed 30V
Current Rating: Maximum collector current must equal or exceed 1.5A
Power Dissipation: Maximum power rating must support the application requirements
Transistor Type: NPN configuration is mandatory
Frequency Response: Transition frequency characteristics must be suitable for the intended application
DC Current Gain: Minimum hFE must support circuit biasing requirements
Saturation Characteristics: Vce saturation voltage affects switching performance
Mounting Type: Surface mount configuration required
Compliance: RoHS3 compliance and MSL rating must be maintained

Substitute parts are grouped into two categories based on electrical performance alignment:

Category A - Direct Electrical Equivalents (30V, 1.5A): Parts maintaining the exact voltage and current ratings of the CPH3215-TL-E, with comparable or superior power dissipation and frequency response.

Category B - Functional Alternatives (Higher Ratings): Parts with elevated voltage or current ratings that provide design margin while maintaining NPN configuration and surface mount packaging.

Parameter Comparison

Parameter	CPH3215-TL-E	NSS40201LT1G	2SC2411-P-TP	2SC2411KT146R	2SD2657KT146	2SD2657TL	2SD2673TL
Transistor Type	NPN	NPN	NPN	NPN	NPN	NPN	NPN
Vce Breakdown (Max) [V]	30	40	32	32	30	30	30
Ic (Max) [A]	1.5	2	0.5	0.5	1.5	1.5	3
Power (Max) [mW]	900	460	200	200	200	1000	1000
Frequency - Transition [MHz]	500	150	250	250	330	300	200
hFE (Min) @ Ic, Vce	200 @ 100mA, 2V	200 @ 500mA, 2V	82 @ 100mA, 3V	120 @ 100mA, 3V	270 @ 100mA, 2V	270 @ 100mA, 2V	270 @ 200mA, 2V
Vce Saturation (Max) @ Ib, Ic	225mV @ 15mA, 750mA	115mV @ 200mA, 2A	400mV @ 50mA, 500mA	600mV @ 50mA, 500mA	350mV @ 50mA, 1A	350mV @ 50mA, 1A	250mV @ 30mA, 1.5A
ICBO (Max)	100nA	100nA	1µA	1µA	100nA	100nA	100nA
Operating Temperature (Max) [°C]	150	150	150	150	150	150	150
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Not Specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	Not Specified	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Substitutes (Direct Electrical Equivalents):

2SD2657TL and 2SD2657KT146 are the closest electrical equivalents to the CPH3215-TL-E. Both maintain the 30V voltage rating and 1.5A current rating. The 2SD2657TL offers superior power dissipation (1W versus 900mW) and is available in TSMT3 packaging with active product status and full RoHS3 compliance. The 2SD2657KT146 provides the same electrical performance in SMT3 packaging. Both parts feature higher DC current gain (270 minimum) and lower saturation voltage, improving switching efficiency.

Secondary Substitute (Higher Current Rating):

2SD2673TL provides enhanced current handling capability at 3A maximum collector current while maintaining the 30V voltage rating. This part offers 1W power dissipation and active product status. The elevated current rating provides design margin for applications requiring higher transient currents. Transition frequency is reduced to 200MHz compared to the original 500MHz specification.

Alternative for Voltage-Margin Applications:

NSS40201LT1G offers increased voltage rating (40V) and current rating (2A), providing design margin for applications with voltage transients or supply variations. This part is manufactured by onsemi and maintains active product status with full RoHS3 compliance. Power dissipation is reduced to 460mW, which may be limiting in high-power applications.

Not Recommended for Direct Substitution:

2SC2411-P-TP and 2SC2411KT146R have reduced maximum collector current (500mA) compared to the CPH3215-TL-E (1.5A). These parts are suitable only for applications with lower current requirements and should not be used as direct replacements in circuits designed for 1.5A operation.

All recommended substitutes maintain surface mount configuration, RoHS3 compliance, and MSL rating of 1 (Unlimited), ensuring compatibility with existing manufacturing processes and environmental requirements.

Frequently Asked Questions (FAQ)

Q: Can the NSS40201LT1G replace the CPH3215-TL-E in all applications?

A: The NSS40201LT1G has higher voltage (40V) and current (2A) ratings, making it suitable for most applications designed for the CPH3215-TL-E. However, the reduced power dissipation (460mW versus 900mW) and lower transition frequency (150MHz versus 500MHz) may limit its use in high-frequency or high-power switching applications. Verify that the application does not require the full 900mW power budget or 500MHz frequency response.

Q: What is the difference between 2SD2657TL and 2SD2657KT146?

A: Both parts have identical electrical specifications (30V, 1.5A, 270 hFE minimum). The primary difference is packaging: 2SD2657TL uses TSMT3 packaging with 1W power dissipation, while 2SD2657KT146 uses SMT3 packaging with 200mW power dissipation. Select based on thermal requirements and available board space.

Q: Why is 2SC2411KT146R not recommended as a direct substitute?

A: The 2SC2411KT146R has a maximum collector current of 500mA, which is one-third the CPH3215-TL-E rating of 1.5A. Using this part in a circuit designed for 1.5A operation will result in transistor saturation and potential device failure. This part is suitable only for lower-current applications.

Q: Are all substitute parts RoHS3 compliant?

A: All recommended substitutes except 2SC2411-P-TP are explicitly RoHS3 compliant. The 2SC2411-P-TP compliance status is not specified in available documentation. Verify RoHS3 compliance with the manufacturer before using this part in regulated applications.

Q: What is the significance of the MSL rating?

A: All listed parts have MSL rating of 1 (Unlimited), indicating unlimited shelf life without moisture baking requirements. This matches the CPH3215-TL-E specification and ensures compatibility with standard storage and handling procedures.

Q: Can 2SD2673TL be used in place of CPH3215-TL-E?

A: The 2SD2673TL is suitable for applications where higher current handling (3A) is beneficial. However, the reduced transition frequency (200MHz versus 500MHz) makes it unsuitable for high-frequency switching applications. Verify that the application does not require frequencies above 200MHz before substitution.

Q: What packaging options are available for substitutes?

A: Substitute parts are available in multiple surface mount packages: SOT-23-3 (NSS40201LT1G), SMT3 (2SC2411KT146R, 2SD2657KT146), and TSMT3 (2SD2657TL, 2SD2673TL). Verify board layout compatibility with the selected package before design implementation.

Q: How do saturation voltage differences affect circuit performance?

A: Lower saturation voltage (Vce sat) reduces power dissipation in saturated switching applications. The 2SD2657 series parts (350mV) and 2SD2673TL (250mV) have lower saturation voltages than the CPH3215-TL-E (225mV), improving efficiency in switching circuits. Higher saturation voltage in 2SC2411 parts (400-600mV) increases power dissipation and heat generation.

Q: Is the CPH3215-TL-E still available for purchase?

A: The CPH3215-TL-E is classified as obsolete. Current inventory of 20,806 pieces is available, but long-term availability is not guaranteed. Design migration to active substitute parts is recommended for new designs and production continuity.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message