DCP55-13 Equivalent & Substitute Parts

Part Overview

The DCP55-13 is an NPN bipolar junction transistor manufactured by Diodes Incorporated, designed for surface mount applications in the SOT-223-3 package. This component operates at a maximum collector current of 1 A with a 60 V collector-emitter breakdown voltage and delivers 1 W maximum power dissipation. The DCP55-13 is classified as obsolete, necessitating identification of active alternative components that maintain electrical and mechanical compatibility for ongoing production and repair applications.

Key Parameters

Parameter	Value
Transistor Type	NPN
Current - Collector (Ic) Max	1 A
Voltage - Collector Emitter Breakdown (Max)	60 V
Vce Saturation (Max) @ Ib, Ic	500mV @ 50mA, 500mA
Current - Collector Cutoff (Max)	100nA (ICBO)
DC Current Gain (hFE) Min @ Ic, Vce	40 @ 150mA, 2V
Power - Max	1 W
Frequency - Transition	200MHz
Operating Temperature	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	TO-261-4, TO-261AA
Supplier Device Package	SOT-223-3
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the DCP55-13 is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Transistor Type: NPN
Collector Current (Ic) Max: 1 A or greater
Collector-Emitter Breakdown Voltage: 60 V or greater
Vce Saturation: 500mV @ 50mA, 500mA
Collector Cutoff Current: 100nA (ICBO)
DC Current Gain (hFE) Min: 40 @ 150mA, 2V or greater
Operating Temperature Range: -55°C ~ 150°C or compatible subset
Mounting Type: Surface Mount
Package: SOT-223-3 or equivalent TO-261 variant
Compliance: ROHS3 Compliant, MSL 1

Substitution Categories:

Direct Substitutes maintain all critical electrical parameters and package specifications with active product status:

BCP55TA (Diodes Incorporated)
BCP5616TA (Diodes Incorporated)

Similar Substitutes meet or exceed critical electrical parameters but may have variations in secondary specifications such as power rating, transition frequency, or manufacturer:

BCP54-16,115 (Nexperia USA Inc.)
BCP54-16,135 (Nexperia USA Inc.)
PZT651T1G (onsemi)
2STN1360 (STMicroelectronics)
BCP55 (onsemi)
BCP55,115 (Nexperia USA Inc.)
BCP55-10,115 (Nexperia USA Inc.)

Parameter Comparison

Part Number	Manufacturer	Product Status	Ic Max (A)	Vce Breakdown (V)	Power Max (W)	Frequency (MHz)	hFE Min @ 150mA, 2V	Package	Temp Range (°C)
DCP55-13	Diodes Incorporated	Obsolete	1	60	1	200	40	SOT-223-3	-55 ~ 150
BCP55TA	Diodes Incorporated	Active	1	60	2	150	40	SOT-223-3	-55 ~ 150
BCP5616TA	Diodes Incorporated	Active	1	80	2	150	100	SOT-223-3	-55 ~ 150
BCP54-16,115	Nexperia USA Inc.	Active	1	45	0.96	180	100	SOT-223	-55 ~ 150
BCP54-16,135	Nexperia USA Inc.	Active	1	45	0.96	180	100	SOT-223	-55 ~ 150
PZT651T1G	onsemi	Active	2	60	0.8	75	75	SOT-223	-55 ~ 150
2STN1360	STMicroelectronics	Active	3	60	1.6	130	160	SOT-223	-55 ~ 150
BCP55	onsemi	Active	1.5	60	1.5	—	40	SOT-223-4	-55 ~ 150
BCP55,115	Nexperia USA Inc.	Active	1	60	1.35	180	63	SOT-223	-55 ~ 150
BCP55-10,115	Nexperia USA Inc.	Active	1	60	1.35	180	63	SOT-223	-55 ~ 150

Engineering Selection Recommendations

Primary Recommendation: BCP55TA

The BCP55TA from Diodes Incorporated is the optimal direct substitute for the obsolete DCP55-13. This component maintains identical electrical specifications for collector current (1 A), collector-emitter breakdown voltage (60 V), saturation voltage, and DC current gain. The BCP55TA is manufactured by the same supplier as the original part, ensuring design continuity and supply chain reliability. The component carries active product status with 47,400 units in stock, providing long-term availability. Both parts are ROHS3 compliant with MSL 1 rating and operate across the identical temperature range (-55°C to 150°C). The BCP55TA offers enhanced power dissipation (2 W versus 1 W), providing additional thermal margin in applications.

Secondary Recommendation: BCP5616TA

The BCP5616TA from Diodes Incorporated serves as an alternative when higher voltage capability is required. This part exceeds the original specification with an 80 V collector-emitter breakdown voltage while maintaining the 1 A collector current rating. The BCP5616TA provides superior DC current gain (100 versus 40), reducing base drive requirements. This component is suitable for applications requiring enhanced voltage headroom or improved gain characteristics.

Alternative Recommendations for Specific Applications:

The BCP55,115 and BCP55-10,115 from Nexperia USA Inc. provide active alternatives with matching 60 V breakdown voltage and 1 A collector current. These components feature 180 MHz transition frequency and 1.35 W power rating, with DC current gain of 63 at the specified test conditions.

The 2STN1360 from STMicroelectronics accommodates applications requiring higher collector current capability (3 A maximum) while maintaining the 60 V breakdown voltage specification. This component is suitable for designs with increased current margin requirements.

All recommended substitutes maintain ROHS3 compliance, MSL 1 moisture sensitivity rating, and surface mount SOT-223 packaging compatibility with the original DCP55-13.

Frequently Asked Questions (FAQ)

Q: Can BCP55TA directly replace DCP55-13 in existing designs?

A: Yes. The BCP55TA maintains all critical electrical parameters specified for the DCP55-13, including 1 A collector current, 60 V breakdown voltage, 500 mV saturation voltage, and 40 minimum DC current gain. Both components use identical SOT-223-3 packaging and operate across -55°C to 150°C. The BCP55TA is manufactured by Diodes Incorporated, the original supplier, ensuring design continuity.

Q: What is the difference between BCP55TA and BCP5616TA?

A: The primary difference is collector-emitter breakdown voltage. BCP55TA operates at 60 V maximum, matching the original DCP55-13 specification. BCP5616TA provides 80 V breakdown voltage, offering 33% higher voltage capability. Both maintain 1 A collector current and identical saturation characteristics. BCP5616TA features higher DC current gain (100 versus 40), reducing base drive current requirements. Selection depends on circuit voltage requirements and gain specifications.

Q: Are Nexperia BCP55 variants compatible with DCP55-13?

A: Nexperia BCP55,115 and BCP55-10,115 are compatible alternatives. Both maintain 60 V breakdown voltage and 1 A collector current specifications. These components feature 180 MHz transition frequency and 1.35 W power rating. DC current gain is 63 at the specified test conditions, exceeding the DCP55-13 minimum of 40. Packaging is SOT-223, compatible with the original TO-261-4 footprint. Operating temperature range is -55°C to 150°C.

Q: Why is BCP54-16,115 listed as a similar substitute despite lower voltage rating?

A: BCP54-16,115 is classified as a similar substitute for applications where 45 V collector-emitter breakdown voltage is sufficient. This component maintains 1 A collector current and identical saturation characteristics. The 45 V rating represents a design constraint that limits its use to circuits operating below 45 V. Applications requiring the full 60 V capability of the original DCP55-13 must use BCP55TA, BCP5616TA, or equivalent 60 V rated alternatives.

Q: What packaging considerations apply to these substitutes?

A: All recommended substitutes use SOT-223 or SOT-223-3 surface mount packaging, compatible with the original DCP55-13 TO-261-4 footprint. Pinout and lead spacing are standardized across these variants. Physical dimensions and thermal characteristics are equivalent, allowing direct PCB layout compatibility. Verify specific package designation (SOT-223 versus SOT-223-3 versus SOT-223-4) against your PCB design to confirm lead count compatibility.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, matching the original DCP55-13. All components maintain MSL 1 (Unlimited) moisture sensitivity level, eliminating special handling requirements. REACH compliance status is consistent across all alternatives.

Q: Can 2STN1360 be used in place of DCP55-13?

A: 2STN1360 is a similar substitute suitable for applications where higher collector current capability (3 A maximum) provides design margin. This component maintains the 60 V breakdown voltage specification. The 3 A rating exceeds the original 1 A requirement, making it suitable for designs requiring increased current capacity. Transition frequency is 130 MHz, lower than the original 200 MHz specification. Applications sensitive to switching speed may require evaluation of this parameter.

Q: What is the inventory status of recommended substitutes?

A: BCP55TA maintains the highest inventory availability with 47,400 units in stock. BCP5616TA has 4,470 units available. Nexperia alternatives (BCP55,115 and BCP55-10,115) have 29,795 and 1,886 units respectively. onsemi BCP55 variant has 145,300 units in stock. 2STN1360 has 9,007 units available. All substitutes carry active product status, ensuring continued availability for production and repair applications.

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