CPH3140-TL-E Equivalent & Substitute Parts

Part Overview

The CPH3140-TL-E is a PNP bipolar junction transistor manufactured by onsemi, rated for 100V collector-emitter breakdown voltage and 1A maximum collector current. This component is classified as obsolete, necessitating identification of active equivalent parts for new designs and ongoing production requirements. The part operates at a maximum junction temperature of 150°C with a transition frequency of 120MHz and is housed in a 3-CPH surface mount package.

Key Parameters

Parameter	Value
Transistor Type	PNP
Current - Collector (Ic) (Max)	1 A
Voltage - Collector Emitter Breakdown (Max)	100 V
Vce Saturation (Max)	600mV @ 40mA, 400mA
Current - Collector Cutoff (Max)	100nA (ICBO)
DC Current Gain (hFE) (Min)	140 @ 100mA, 5V
Power - Max	900 mW
Frequency - Transition	120MHz
Operating Temperature (TJ)	150°C
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the CPH3140-TL-E is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Transistor Type: PNP configuration
Current - Collector (Ic) (Max): 1 A minimum
Voltage - Collector Emitter Breakdown (Max): 100 V minimum
Mounting Type: Surface Mount
Operating Temperature: 150°C maximum junction temperature
RoHS3 Compliance: Required for regulatory alignment

Secondary Compatibility Parameters:

Vce Saturation characteristics
DC Current Gain (hFE)
Frequency - Transition
Power dissipation capability
Package / Case compatibility with surface mount assembly

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

Category A - Full Current Rating (1A): Parts meeting or exceeding the 1A collector current specification with 100V or higher breakdown voltage rating. These include FMMT723QTA, FMMT593-TP, and PBSS9110T,215.

Category B - Reduced Current Rating (50mA): Parts with lower maximum collector current specifications. These include 2SA1514KT146R and 2SA1514KT146S, suitable only for applications not requiring the full 1A current capability.

Parameter Comparison

Parameter	CPH3140-TL-E	PBSS9110T,215	FMMT723QTA	FMMT593-TP	2SA1514KT146R	2SA1514KT146S
Manufacturer	onsemi	Nexperia USA Inc.	Diodes Incorporated	Micro Commercial Co	Rohm Semiconductor	Rohm Semiconductor
Product Status	Obsolete	Active	Active	Active	Active	Active
Transistor Type	PNP	PNP	PNP	PNP	PNP	PNP
Current - Collector (Ic) (Max)	1 A	1 A	1 A	1 A	50 mA	50 mA
Voltage - Collector Emitter Breakdown (Max)	100 V	100 V	100 V	100 V	120 V	120 V
Vce Saturation (Max) @ Ib, Ic	600mV @ 40mA, 400mA	320mV @ 100mA, 1A	330mV @ 150mA, 1A	300mV @ 50mA, 500mA	500mV @ 1mA, 10mA	500mV @ 1mA, 10mA
Current - Collector Cutoff (Max)	100nA (ICBO)	100nA	100nA	100nA (ICBO)	500nA (ICBO)	500nA (ICBO)
DC Current Gain (hFE) (Min)	140 @ 100mA, 5V	150 @ 500mA, 5V	250 @ 500mA, 10V	100 @ 1mA, 5V	180 @ 2mA, 6V	180 @ 2mA, 6V
Power - Max	900 mW	480 mW	625 mW	250 mW	200 mW	200 mW
Frequency - Transition	120MHz	100MHz	200MHz	150MHz	140MHz	140MHz
Operating Temperature (TJ)	150°C	150°C	-55°C ~ 150°C	-55°C ~ 150°C	150°C	150°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	SC-96	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
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not specified	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

For Direct Replacement (1A Current Applications):

PBSS9110T,215 (Nexperia USA Inc.) is the primary substitute for the CPH3140-TL-E. This part maintains electrical equivalence across all critical parameters: 1A maximum collector current, 100V breakdown voltage, and 150°C maximum junction temperature. The part is active in production with ROHS3 compliance and MSL 1 rating. Vce saturation is improved at 320mV compared to the original 600mV specification.

FMMT723QTA (Diodes Incorporated) provides an alternative with enhanced performance characteristics. This part exceeds the original specifications in transition frequency (200MHz versus 120MHz) and DC current gain (250 versus 140), while maintaining 1A current rating and 100V breakdown voltage. Extended operating temperature range (-55°C to 150°C) provides additional design margin. ROHS3 compliance and MSL 1 rating are confirmed.

FMMT593-TP (Micro Commercial Co) offers 1A current capability with 100V breakdown voltage and improved Vce saturation (300mV). Transition frequency of 150MHz exceeds the original specification. Extended operating temperature range is provided. RoHS and MSL status are not specified in available documentation.

For Reduced Current Applications (50mA Maximum):

2SA1514KT146R and 2SA1514KT146S (Rohm Semiconductor) are suitable only for applications where collector current does not exceed 50mA. Both parts are electrically identical with 120V breakdown voltage (exceeding the 100V requirement), 140MHz transition frequency, and improved Vce saturation at 500mV. Both are active in production with ROHS3 compliance and MSL 1 rating. These parts are not suitable for applications requiring the full 1A current capability of the original CPH3140-TL-E.

Compliance and Regulatory Status:

All recommended substitutes maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard surface mount assembly processes and regulatory requirements. All parts are classified as active products with confirmed inventory availability.

Frequently Asked Questions (FAQ)

Q: Can the 2SA1514KT146R or 2SA1514KT146S be used as direct replacements for the CPH3140-TL-E?

A: These parts are not suitable for direct replacement in applications requiring 1A collector current. The 2SA1514 series is rated for a maximum of 50mA collector current, compared to the 1A rating of the CPH3140-TL-E. These parts are appropriate only for circuits designed for 50mA or lower current levels.

Q: What is the primary difference between PBSS9110T,215 and FMMT723QTA?

A: Both parts meet the 1A current and 100V voltage requirements of the CPH3140-TL-E. FMMT723QTA provides higher transition frequency (200MHz versus 100MHz) and higher DC current gain (250 versus 150). PBSS9110T,215 has lower power dissipation (480mW versus 625mW). Selection depends on specific circuit requirements for frequency response and gain characteristics.

Q: Are all substitute parts available in the same package as the original CPH3140-TL-E?

A: The original CPH3140-TL-E uses a 3-CPH package (SC-96). All substitute parts listed use TO-236-3, SC-59, or SOT-23-3 packages. While these are different package designations, they are all surface mount packages compatible with standard assembly equipment. Physical footprint verification is required during PCB layout design.

Q: What is the significance of the extended operating temperature range on FMMT723QTA and FMMT593-TP?

A: These parts specify an operating temperature range of -55°C to 150°C, compared to the 150°C maximum junction temperature of the original part. The extended lower temperature limit provides additional design margin for applications operating in cold environments. The upper temperature limit remains equivalent at 150°C.

Q: Are all substitute parts RoHS3 compliant?

A: PBSS9110T,215, FMMT723QTA, 2SA1514KT146R, and 2SA1514KT146S are confirmed ROHS3 compliant. FMMT593-TP RoHS status is not specified in the provided documentation. Verification with the manufacturer is recommended if RoHS3 compliance is a regulatory requirement.

Q: What does MSL 1 (Unlimited) moisture sensitivity rating mean?

A: MSL 1 indicates the lowest moisture sensitivity level, meaning the component can be stored indefinitely without special moisture control measures. This simplifies inventory management and reduces handling requirements compared to higher MSL ratings.

Q: Can FMMT593-TP be used in applications requiring the full 900mW power dissipation of the original part?

A: FMMT593-TP is rated for 250mW maximum power dissipation, significantly lower than the 900mW rating of the CPH3140-TL-E. This part is suitable only for applications where power dissipation does not exceed 250mW. Thermal analysis is required to confirm adequate heat dissipation in the specific application.

Q: What is the difference between Vce saturation specifications at different current levels?

A: Vce saturation varies with collector current and base current conditions. The CPH3140-TL-E specifies 600mV at 40mA base current and 400mA collector current. PBSS9110T,215 specifies 320mV at 100mA base current and 1A collector current. Lower saturation voltage indicates better switching performance and reduced power loss during saturation. Application-specific requirements determine the acceptable saturation voltage.

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