DMC505010R Equivalent & Substitute Parts

Part Overview

The DMC505010R is a dual NPN bipolar junction transistor array manufactured by Panasonic Electronic Components, designed for general-purpose amplification and switching applications. This device integrates two NPN transistors in a compact surface-mount SMini6-F3-B package, rated for 50V collector-emitter breakdown voltage and 100mA maximum collector current. The product is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives that maintain electrical and mechanical compatibility for ongoing production and repair applications.

Key Parameters

Parameter	Value	Unit
Transistor Type	2 NPN (Dual)	—
Current - Collector (Ic) (Max)	100	mA
Voltage - Collector Emitter Breakdown (Max)	50	V
Power - Max	150	mW
Frequency - Transition	150	MHz
Operating Temperature (TJ)	150	°C
Mounting Type	Surface Mount	—
Package / Case	6-SMD, Flat Leads	—
RoHS Status	RoHS Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the DMC505010R is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

Transistor configuration: 2 NPN (Dual) array
Voltage rating: Collector-emitter breakdown voltage ≥ 50V
Current rating: Collector current capacity ≥ 100mA
Power dissipation: Maximum power rating ≥ 150mW
Frequency performance: Transition frequency ≥ 150MHz
Temperature rating: Operating temperature ≥ 150°C

Mechanical Equivalence Criteria:

Mounting type: Surface mount
Package compatibility: 6-pin surface-mount configurations
Environmental compliance: RoHS compliant
Moisture sensitivity: MSL 1 or equivalent

The substitute parts UMX1NTN and UMX1NFHATN, both manufactured by Rohm Semiconductor, meet or exceed all specified electrical parameters and maintain surface-mount compatibility. Both devices are active products with established supply chains, providing long-term availability advantages over the discontinued DMC505010R.

Parameter Comparison

Parameter	DMC505010R (Panasonic)	UMX1NTN (Rohm)	UMX1NFHATN (Rohm)
Transistor Type	2 NPN (Dual)	2 NPN (Dual)	2 NPN (Dual)
Current - Collector (Ic) (Max)	100 mA	150 mA	150 mA
Voltage - Collector Emitter Breakdown (Max)	50 V	50 V	50 V
Vce Saturation (Max) @ Ib, Ic	300 mV @ 10 mA, 100 mA	400 mV @ 5 mA, 50 mA	400 mV @ 5 mA, 50 mA
Current - Collector Cutoff (Max)	100 µA	100 nA (ICBO)	100 nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	210 @ 2 mA, 10 V	120 @ 1 mA, 6 V	120 @ 1 mA, 6 V
Power - Max	150 mW	150 mW	150 mW
Frequency - Transition	150 MHz	180 MHz	180 MHz
Operating Temperature (TJ)	150 °C	150 °C	150 °C
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	6-SMD, Flat Leads (SMini6-F3-B)	6-TSSOP, SC-88, SOT-363 (UMT6)	6-TSSOP, SC-88, SOT-363 (UMT6)
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Discontinued at DiGi Electronics	Active	Active

Engineering Selection Recommendations

UMX1NTN Selection Criteria: The UMX1NTN is the primary substitute for the DMC505010R. This device is manufactured by Rohm Semiconductor and maintains active product status with substantial inventory availability (224,400 pieces). The UMX1NTN exceeds the electrical specifications of the original part across all critical parameters: collector current capacity increases from 100 mA to 150 mA, and transition frequency improves from 150 MHz to 180 MHz. The device is ROHS3 compliant and carries REACH unaffected status, ensuring regulatory compliance for new designs and production. Packaging is specified as 6-TSSOP, SC-88, SOT-363 (UMT6), which differs from the original SMini6-F3-B but maintains 6-pin surface-mount configuration suitable for PCB integration.

UMX1NFHATN Selection Criteria: The UMX1NFHATN provides an alternative substitute with identical electrical specifications to the UMX1NTN. This variant is qualified to AEC-Q101 automotive standards and carries a Grade designation for automotive applications. Selection of this part is appropriate for applications requiring automotive-grade components or when automotive supply chain continuity is required. Inventory availability is lower (16,904 pieces) compared to the UMX1NTN. Packaging and compliance characteristics are equivalent to the UMX1NTN.

Substitution Feasibility: Both Rohm alternatives satisfy the electrical and environmental requirements of the DMC505010R. The transition from SMini6-F3-B to UMT6 packaging requires PCB layout verification to confirm pin-to-pin compatibility and thermal performance equivalence. No additional design modifications are required at the circuit level, as electrical parameters are met or exceeded.

Frequently Asked Questions (FAQ)

Q: Can the UMX1NTN directly replace the DMC505010R without PCB modifications?

A: The UMX1NTN and UMX1NFHATN are electrically equivalent to the DMC505010R and satisfy all functional requirements. However, the package transition from SMini6-F3-B to UMT6 (6-TSSOP, SC-88, SOT-363) requires verification of PCB footprint compatibility. Pin assignments must be confirmed against device datasheets to ensure correct circuit operation. PCB layout modifications may be necessary if the original design uses a footprint specific to the SMini6-F3-B package.

Q: What are the key electrical differences between the DMC505010R and its substitutes?

A: The UMX1NTN and UMX1NFHATN both exceed the original specifications. Collector current capacity increases from 100 mA to 150 mA, and transition frequency improves from 150 MHz to 180 MHz. Vce saturation voltage is slightly higher (400 mV versus 300 mV at different test conditions), and DC current gain is lower (120 versus 210 at different test conditions). These differences are within acceptable ranges for general-purpose amplification and switching applications.

Q: Why is the DMC505010R discontinued?

A: The DMC505010R is listed as discontinued at DiGi Electronics. The Rohm alternatives (UMX1NTN and UMX1NFHATN) are active products with established supply chains, providing long-term availability for new production and repair applications.

Q: Which substitute should be selected for automotive applications?

A: The UMX1NFHATN is qualified to AEC-Q101 automotive standards and carries automotive-grade designation. This part is the appropriate selection for applications requiring automotive-qualified components. The UMX1NTN is suitable for general industrial and consumer applications.

Q: Are there any compliance or certification differences between the substitutes?

A: Both UMX1NTN and UMX1NFHATN are ROHS3 compliant and carry REACH unaffected status. The UMX1NFHATN includes AEC-Q101 automotive qualification, which is not applicable to the UMX1NTN. Both devices maintain MSL 1 (Unlimited) moisture sensitivity rating, equivalent to the original part.

Q: What is the inventory status of the substitute parts?

A: The UMX1NTN has substantial inventory availability (224,400 pieces), providing reliable long-term supply. The UMX1NFHATN has lower inventory (16,904 pieces) but remains in active production. Both parts are available through established distribution channels.

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