BCR183SE6433BTMA1 Equivalent & Substitute Parts

Part Overview

The BCR183SE6433BTMA1 is a pre-biased dual PNP bipolar junction transistor manufactured by Infineon Technologies in a 6-pin SOT-363 surface mount package. This component integrates two PNP transistors with internal biasing resistors, designed for switching and amplification applications requiring 50V collector-emitter breakdown voltage and 100mA maximum collector current.

The BCR183SE6433BTMA1 is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for production and repair applications. Active alternatives from manufacturers including Nexperia, Rohm Semiconductor, Diodes Incorporated, and onsemi provide functionally compatible solutions with comparable electrical characteristics and package compatibility.

Key Parameters

Parameter	Value	Unit
Transistor Type	2 PNP - Pre-Biased (Dual)	—
Maximum Collector Current (Ic)	100	mA
Collector-Emitter Breakdown Voltage (Max)	50	V
Base Resistor (R1)	10	kOhms
Emitter-Base Resistor (R2)	10	kOhms
DC Current Gain (hFE Min) @ Ic, Vce	30 @ 5mA, 5V	—
Vce Saturation (Max) @ Ib, Ic	300	mV @ 500µA, 10mA
Transition Frequency	200	MHz
Maximum Power Dissipation	250	mW
Package Type	6-VSSOP / SC-88 / SOT-363	—
Mounting Type	Surface Mount	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the BCR183SE6433BTMA1 is determined by the following critical parameters:

Primary Substitution Criteria:

Transistor configuration: Dual PNP pre-biased
Maximum collector current: 100mA
Collector-emitter breakdown voltage: 50V
Internal base resistor: 10kOhms
Internal emitter-base resistor: 10kOhms
Package compatibility: SOT-363 / SC-88 / 6-TSSOP surface mount

Secondary Compatibility Factors:

DC current gain (hFE) minimum specification at rated conditions
Vce saturation voltage at specified bias conditions
Transition frequency performance
Power dissipation rating
Moisture sensitivity level and compliance certifications

Substitute parts are grouped into three categories based on their relationship to the main part:

Direct Equivalents: Parts with identical or superior electrical specifications and active product status, suitable for direct replacement without circuit modification.

Upgrade Options: Parts offering enhanced performance characteristics (higher transition frequency, lower saturation voltage, or improved current gain) while maintaining backward compatibility.

Manufacturer-Recommended Alternatives: Parts from alternative manufacturers meeting or exceeding the original specifications with active support and compliance certifications.

Parameter Comparison

Part Number	Manufacturer	Product Status	Ic (Max) mA	Vce(br) V	R1 kΩ	R2 kΩ	hFE Min @ 5mA, 5V	Vce Sat (Max) mV	Freq MHz	Power mW	Package
BCR183SE6433BTMA1	Infineon	Obsolete	100	50	10	10	30	300	200	250	SOT-363
PUMB11,115	Nexperia	Active	100	50	10	10	30	150	—	300	6-TSSOP
PUMB11,135	Nexperia	Active	100	50	10	10	30	150	—	300	6-TSSOP
UMB11NTN	Rohm Semiconductor	Active	100	50	10	10	20	300	250	150	UMT6
DDA113TU-7-F	Diodes Inc.	Active	100	50	1	—	100	300	250	200	SOT-363
DDA114EUQ-7-F	Diodes Inc.	Active	100	50	10	10	30	300	250	200	SOT-363
DDA114TU-7-F	Diodes Inc.	Active	100	50	10	—	100	300	250	200	SOT-363
DDA143TU-7-F	Diodes Inc.	Active	100	50	4.7	—	100	300	250	200	SOT-363
MUN5111DW1T1G	onsemi	Active	100	50	10	10	35	250	—	250	SC-88

Engineering Selection Recommendations

Direct Replacement (Highest Compatibility):

DDA114EUQ-7-F from Diodes Incorporated is the closest functional equivalent to BCR183SE6433BTMA1. This part maintains identical base and emitter-base resistor values (10kOhms each), matching DC current gain specifications, and equivalent saturation voltage characteristics. The part is AEC-Q101 automotive qualified and ROHS3 compliant, with active product status and 716 units in stock. The SOT-363 package provides direct mechanical compatibility.

Active Alternatives with Enhanced Performance:

PUMB11,115 and PUMB11,135 from Nexperia USA Inc. offer improved saturation voltage performance (150mV maximum versus 300mV), higher power dissipation capability (300mW versus 250mW), and active product status with substantial inventory (12,578 and 8,777 units respectively). Both parts maintain identical resistor configurations and current ratings. The 6-TSSOP package is mechanically compatible with SOT-363 footprints in most applications.

MUN5111DW1T1G from onsemi provides equivalent specifications with superior DC current gain (35 minimum at 5mA, 5V versus 30), lower saturation voltage (250mV maximum), and active product status with 4,400 units available. The SC-88/SOT-363 package designation confirms direct mechanical compatibility.

Upgrade Option with Performance Enhancement:

UMB11NTN from Rohm Semiconductor offers transition frequency of 250MHz (versus 200MHz in the original part) and lower collector cutoff current (500nA versus unspecified). This part is ROHS3 compliant and active, with 22,189 units in stock. The UMT6 package is mechanically compatible with SOT-363 applications. Note that DC current gain minimum is specified at 20 (lower than the original 30), which may require circuit verification in gain-sensitive applications.

Compliance and Certification Status:

All recommended substitute parts carry ROHS3 compliance and REACH unaffected status. DDA114EUQ-7-F includes AEC-Q101 automotive qualification. All parts maintain MSL 1 (Unlimited) moisture sensitivity rating, matching the original component.

Frequently Asked Questions (FAQ)

Q: Can PUMB11,115 and PUMB11,135 be used interchangeably with BCR183SE6433BTMA1?

A: Yes. Both Nexperia parts maintain identical transistor configuration (dual PNP pre-biased), collector current (100mA), breakdown voltage (50V), and internal resistor values (10kOhms base, 10kOhms emitter-base). The 6-TSSOP package is mechanically compatible with SOT-363 footprints. The improved saturation voltage (150mV versus 300mV) represents enhanced performance. Both parts are active with substantial inventory availability.

Q: What is the difference between DDA114EUQ-7-F and DDA114TU-7-F?

A: DDA114EUQ-7-F maintains the original 10kOhms emitter-base resistor specification, while DDA114TU-7-F does not specify this parameter. DDA114EUQ-7-F includes AEC-Q101 automotive qualification. Both parts share identical collector current, breakdown voltage, and saturation voltage specifications. DDA114EUQ-7-F is the preferred choice for direct replacement when emitter-base resistor value is a circuit requirement.

Q: Why do DDA113TU-7-F and DDA143TU-7-F have different base resistor values?

A: DDA113TU-7-F specifies 1kOhms base resistor, while DDA143TU-7-F specifies 4.7kOhms. These parts are designed for different biasing applications. DDA113TU-7-F provides faster switching response due to lower base resistance, while DDA143TU-7-F offers intermediate biasing characteristics. Neither part matches the original 10kOhms specification and should be selected only when circuit design specifically requires these alternative resistor values.

Q: Is MUN5111DW1T1G suitable for direct replacement?

A: MUN5111DW1T1G is functionally compatible with identical collector current, breakdown voltage, and resistor configuration. The superior DC current gain (35 versus 30 minimum) and lower saturation voltage (250mV versus 300mV) represent performance improvements. However, the unspecified transition frequency (versus 200MHz in the original) requires verification against circuit timing requirements. The SC-88/SOT-363 package designation confirms mechanical compatibility.

Q: What is the significance of the UMB11NTN upgrade option?

A: UMB11NTN from Rohm Semiconductor offers 250MHz transition frequency (versus 200MHz), providing enhanced high-frequency performance. The lower collector cutoff current (500nA) improves leakage characteristics. However, the DC current gain minimum of 20 (versus 30 in the original) is lower and may affect circuits dependent on gain specifications. This part is suitable for applications where higher frequency performance is beneficial and gain margin is available.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All recommended substitute parts carry ROHS3 compliance certification. DDA114EUQ-7-F additionally includes AEC-Q101 automotive qualification. All parts maintain MSL 1 (Unlimited) moisture sensitivity rating, matching the original BCR183SE6433BTMA1 specification.

Q: What package compatibility considerations apply?

A: The original BCR183SE6433BTMA1 uses 6-VSSOP/SC-88/SOT-363 package. Substitute parts use 6-TSSOP, SC-88, SOT-363, or UMT6 designations. These packages are mechanically compatible for surface mount PCB assembly. Pin configurations and lead spacing conform to standard SOT-363 footprints, enabling direct PCB placement without layout modification.

Q: Which substitute part has the highest inventory availability?

A: UMB11NTN from Rohm Semiconductor has the highest inventory with 22,189 units in stock. PUMB11,115 from Nexperia has 12,578 units, and PUMB11,135 has 8,777 units. DDA143TU-7-F from Diodes Incorporated has 38,400 units available, representing the largest single inventory position among all alternatives.

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