ADC144EUQ-13 Equivalent & Substitute Parts

Part Overview

The ADC144EUQ-13 is an active, automotive-grade pre-biased dual NPN bipolar transistor (BJT) manufactured by Diodes Incorporated in SOT-363 surface mount packaging. This component integrates two NPN transistors with internal base and emitter-base resistors, designed for signal switching and amplification applications requiring integrated biasing networks. The part carries AEC-Q101 automotive qualification and ROHS3 compliance. Substitute parts are identified based on matching electrical specifications, package compatibility, and automotive-grade certification to ensure functional equivalence in circuit applications.

Key Parameters

Parameter	ADC144EUQ-13 Value	Unit
Transistor Type	2 NPN - Pre-Biased (Dual)	—
Current - Collector (Ic) Max	100	mA
Voltage - Collector Emitter Breakdown (Max)	Not specified	V
Resistor - Base (R1)	47	kOhms
Resistor - Emitter Base (R2)	47	kOhms
DC Current Gain (hFE) Min @ Ic, Vce	68 @ 5mA, 5V	—
Vce Saturation (Max) @ Ib, Ic	300 @ 500µA, 10mA	mV
Frequency - Transition	250	MHz
Power - Max	270	mW
Package / Case	6-TSSOP, SC-88, SOT-363	—
Grade	Automotive	—
Qualification	AEC-Q101	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the ADC144EUQ-13 is determined by the following critical parameters:

Primary Matching Criteria:

Transistor configuration: 2 NPN - Pre-Biased (Dual) or compatible dual-transistor topology
Maximum collector current: 100 mA minimum
Base resistor (R1): 47 kOhms
Emitter-base resistor (R2): 47 kOhms
Surface mount package compatibility: SOT-363, SC-88, or 6-TSSOP
Automotive grade with AEC-Q101 qualification
ROHS3 compliance

Secondary Compatibility Parameters:

DC current gain (hFE) minimum: 68 or higher
Vce saturation: 300 mV or lower preferred
Transition frequency: 250 MHz or higher preferred
Power dissipation: 270 mW or higher
Moisture sensitivity: MSL 1 (Unlimited)

Substitute parts meeting all primary criteria and most secondary criteria are classified as direct functional equivalents. Parts with alternative transistor topologies (1 NPN + 1 PNP configuration) are listed as compatible alternatives where electrical parameters align with application requirements.

Parameter Comparison

Parameter	ADC144EUQ-13	NSVMUN5213DW1T3G	SMUN5213DW1T1G	MUN5213DW1T1G	MUN5213DW1T3G	PUMD12,115	PUMD12,135	PUMH2,115	RN1904,LF(CT	RN4904,LF	RN4984,LF(CT
Manufacturer	Diodes Inc.	onsemi	onsemi	onsemi	onsemi	Nexperia	Nexperia	NXP	Toshiba	Toshiba	Toshiba
Transistor Type	2 NPN	2 NPN	2 NPN	2 NPN	2 NPN	1 NPN, 1 PNP	1 NPN, 1 PNP	2 NPN	2 NPN	1 NPN, 1 PNP	1 NPN, 1 PNP
Ic (Max)	100 mA	100 mA	100 mA	100 mA	100 mA	100 mA	100 mA	100 mA	100 mA	100 mA	100 mA
Vce Breakdown (Max)	Not specified	50 V	50 V	50 V	50 V	50 V	50 V	50 V	50 V	50 V	50 V
R1 (Base)	47 kOhms	47 kOhms	47 kOhms	47 kOhms	47 kOhms	47 kOhms	47 kOhms	47 kOhms	47 kOhms	47 kOhms	47 kOhms
R2 (Emitter-Base)	47 kOhms	47 kOhms	47 kOhms	47 kOhms	47 kOhms	47 kOhms	47 kOhms	47 kOhms	47 kOhms	47 kOhms	47 kOhms
hFE (Min) @ Ic, Vce	68 @ 5mA, 5V	80 @ 5mA, 10V	80 @ 5mA, 10V	80 @ 5mA, 10V	80 @ 5mA, 10V	80 @ 5mA, 5V	80 @ 5mA, 5V	80 @ 5mA, 5V	80 @ 10mA, 5V	80 @ 10mA, 5V	80 @ 10mA, 5V
Vce Saturation (Max) @ Ib, Ic	300 mV @ 500µA, 10mA	250 mV @ 300µA, 10mA	250 mV @ 300µA, 10mA	250 mV @ 300µA, 10mA	250 mV @ 300µA, 10mA	150 mV @ 500µA, 10mA	150 mV @ 500µA, 10mA	150 mV @ 500µA, 10mA	300 mV @ 250µA, 5mA	300 mV @ 250µA, 5mA	300 mV @ 250µA, 5mA
Frequency - Transition	250 MHz	Not specified	Not specified	Not specified	Not specified	230 MHz, 180 MHz	230 MHz, 180 MHz	Not specified	250 MHz	200 MHz	250 MHz, 200 MHz
Power - Max	270 mW	250 mW	187 mW	250 mW	250 mW	300 mW	300 mW	300 mW	200 mW	200 mW	200 mW
Package	SOT-363	SC-88/SC70-6/SOT-363	SC-88/SC70-6/SOT-363	SC-88/SC70-6/SOT-363	SC-88/SC70-6/SOT-363	6-TSSOP	6-TSSOP	6-TSSOP	US6	US6	US6
Grade	Automotive	Automotive	Automotive	Automotive	Automotive	Automotive	Automotive	Automotive	Automotive	Automotive	Automotive
AEC-Q101	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
RoHS Status	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3
MSL	1	1	1	1	1	1	1	1	1	1	1

Engineering Selection Recommendations

Direct Equivalents (Dual 2 NPN Configuration):

The following parts provide direct functional equivalence to the ADC144EUQ-13 with matching dual NPN transistor topology:

NSVMUN5213DW1T3G (onsemi): Meets all primary criteria with improved Vce saturation (250 mV vs. 300 mV). Automotive AEC-Q101 qualified. SC-88/SOT-363 package compatible.
SMUN5213DW1T1G (onsemi): Dual NPN configuration with 47 kOhm internal resistors. Automotive grade with AEC-Q101 qualification. Highest inventory availability (380,300 pcs). Package: SC-88/SOT-363. Note: Power rating 187 mW is lower than primary part.
MUN5213DW1T1G (onsemi): Manufacturer-recommended equivalent. Dual NPN pre-biased configuration. 50V Vce breakdown rating. Automotive AEC-Q101 qualified. SC-88/SOT-363 package.
MUN5213DW1T3G (onsemi): Manufacturer-recommended equivalent. Identical electrical specifications to MUN5213DW1T1G. Higher inventory (10,762 pcs). SC-88/SOT-363 package.
PUMH2,115 (NXP Semiconductors): Dual NPN pre-biased transistor. 47 kOhm internal resistors. Improved Vce saturation (150 mV). 300 mW power rating. 6-TSSOP package. Automotive grade.
RN1904,LF(CT (Toshiba): Dual NPN pre-biased configuration. 250 MHz transition frequency matches primary part. 47 kOhm resistors. Automotive AEC-Q101 qualified. US6 package. Note: Power rating 200 mW is lower than primary part.

Compatible Alternatives (Mixed NPN/PNP Configuration):

The following parts feature 1 NPN + 1 PNP pre-biased transistor topology. These are suitable for applications requiring complementary transistor pairs:

PUMD12,115 (Nexperia): 1 NPN, 1 PNP configuration. 47 kOhm internal resistors. 230 MHz (NPN), 180 MHz (PNP) transition frequencies. Improved Vce saturation (150 mV). 300 mW power rating. 6-TSSOP package. Automotive grade.
PUMD12,135 (Nexperia): Identical specifications to PUMD12,115. Tape & Reel packaging. Lower inventory (9,050 pcs).
RN4904,LF (Toshiba): 1 NPN, 1 PNP pre-biased configuration. 47 kOhm resistors. 200 MHz transition frequency. Automotive AEC-Q101 qualified. US6 package. Power rating 200 mW.
RN4984,LF(CT (Toshiba): 1 NPN, 1 PNP pre-biased configuration. 250 MHz (NPN), 200 MHz (PNP) transition frequencies. 47 kOhm resistors. Automotive AEC-Q101 qualified. US6 package. Power rating 200 mW.

Selection Basis:

All listed substitutes maintain automotive-grade classification with AEC-Q101 qualification and ROHS3 compliance, ensuring regulatory and quality equivalence. Package compatibility (SOT-363, SC-88, 6-TSSOP, US6) permits direct PCB layout substitution. Internal resistor values (47 kOhms) and collector current ratings (100 mA) are standardized across all alternatives. Differences in transition frequency, power dissipation, and Vce saturation reflect manufacturing variations within acceptable automotive specifications and do not preclude functional substitution in standard signal switching applications.

Frequently Asked Questions (FAQ)

Q: Can SMUN5213DW1T1G replace ADC144EUQ-13 in all applications?

A: SMUN5213DW1T1G is a direct functional equivalent with matching dual NPN topology, 47 kOhm internal resistors, and 100 mA collector current. Both parts are automotive AEC-Q101 qualified with ROHS3 compliance. The primary difference is power dissipation: SMUN5213DW1T1G is rated 187 mW versus 270 mW for ADC144EUQ-13. Substitution is valid for applications where power dissipation does not exceed 187 mW.

Q: What is the difference between dual NPN parts (SMUN5213DW1T1G) and mixed NPN/PNP parts (PUMD12,115)?

A: Dual NPN parts contain two NPN transistors with identical characteristics, suitable for applications requiring two independent NPN switching or amplification stages. Mixed NPN/PNP parts contain one NPN and one PNP transistor, enabling complementary pair applications such as push-pull output stages or differential switching circuits. Both topologies share identical base and emitter-base resistor values (47 kOhms) and 100 mA collector current ratings. Selection depends on circuit topology requirements.

Q: Are package differences between SOT-363, SC-88, 6-TSSOP, and US6 significant for substitution?

A: SOT-363, SC-88, and 6-TSSOP are mechanically and electrically equivalent 6-pin surface mount packages with identical pin configurations and footprints. US6 is an alternative 6-pin surface mount package with the same electrical function but different physical dimensions. Direct PCB layout substitution is possible between SOT-363/SC-88/6-TSSOP packages. US6 packages (RN1904, RN4904, RN4984) require PCB footprint verification before substitution.

Q: Why do some substitute parts have lower power ratings (187 mW, 200 mW) than the primary part (270 mW)?

A: Power dissipation ratings reflect maximum thermal capability under specified operating conditions. Lower power ratings do not indicate inferior performance but rather different thermal design or package thermal characteristics. Substitution is valid if circuit power dissipation remains below the substitute part's rated maximum. For applications approaching or exceeding 200 mW, select substitutes with 250 mW or higher ratings (NSVMUN5213DW1T3G, MUN5213DW1T1G, MUN5213DW1T3G, PUMD12,115, PUMD12,135, PUMH2,115).

Q: What does AEC-Q101 qualification mean for automotive applications?

A: AEC-Q101 is an automotive industry standard qualification for discrete semiconductors. All listed substitute parts carry AEC-Q101 qualification, confirming compliance with automotive reliability, temperature cycling, and quality requirements. This qualification is mandatory for automotive-grade component selection and ensures functional equivalence in automotive circuit applications.

Q: Can RN1904,LF(CT replace ADC144EUQ-13 despite the lower power rating?

A: RN1904,LF(CT is a dual NPN pre-biased transistor with matching 47 kOhm internal resistors, 100 mA collector current, and 250 MHz transition frequency identical to ADC144EUQ-13. The 200 mW power rating is lower than the primary part's 270 mW. Substitution is valid for applications where power dissipation does not exceed 200 mW. Both parts are automotive AEC-Q101 qualified with ROHS3 compliance.

Q: Are there inventory considerations when selecting substitutes?

A: Inventory levels vary significantly among substitutes. SMUN5213DW1T1G has the highest availability (380,300 pcs), followed by PUMD12,115 (372,100 pcs). Lower-inventory parts such as MUN5213DW1T1G (3,736 pcs) and RN1904,LF(CT (3,829 pcs) may have longer lead times. Inventory status should be verified with suppliers for production planning purposes.

Q: What is the significance of Vce saturation differences between parts?

A: Vce saturation (typically 150 mV to 300 mV) represents the minimum voltage drop across the transistor in fully saturated (on) state. Lower Vce saturation reduces power dissipation and heat generation. ADC144EUQ-13 specifies 300 mV saturation. Substitutes with 150 mV saturation (PUMD12,115, PUMD12,135, PUMH2,115) provide improved efficiency. Substitutes with 250 mV saturation (onsemi MUN5213 series) offer a middle ground. Selection depends on power budget and thermal management requirements.

Q: Is MSL (Moisture Sensitivity Level) 1 consistent across all substitutes?

A: Yes. All listed substitute parts carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. This matches the primary part's MSL 1 rating and permits standard handling, storage, and assembly processes without special moisture control measures.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message