CP547-PMD19K100-CT Equivalent & Substitute Parts

Part Overview

The CP547-PMD19K100-CT is a PNP Darlington bipolar junction transistor (BJT) die manufactured by Central Semiconductor Corp, designed for high-current switching applications with a maximum collector current of 30A and collector-emitter breakdown voltage of 100V. This component is classified as obsolete and is no longer in active production. Due to its obsolete status, sourcing original inventory becomes increasingly difficult. Identifying qualified substitute parts ensures design continuity and maintains supply chain reliability for applications requiring equivalent electrical and mechanical characteristics.

Key Parameters

Parameter	Value
Transistor Type	PNP - Darlington
Current - Collector (Ic) (Max)	30 A
Voltage - Collector Emitter Breakdown (Max)	100 V
Vce Saturation (Max)	2.8V @ 60mA, 15A
DC Current Gain (hFE) (Min)	800 @ 15A, 3V
Frequency - Transition	4MHz
Operating Temperature Range	-65°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	Die
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the CP547-PMD19K100-CT is determined by strict equivalence across the following critical parameters:

Electrical Characteristics:

Transistor configuration: PNP - Darlington topology
Maximum collector current: 30A
Collector-emitter breakdown voltage: 100V
Saturation voltage characteristics: 2.8V @ 60mA, 15A
DC current gain (hFE): minimum 800 @ 15A, 3V
Transition frequency: 4MHz

Mechanical & Environmental Specifications:

Mounting type: Surface Mount
Package form: Die
Operating temperature range: -65°C ~ 150°C (TJ)
Moisture sensitivity: MSL 1 (Unlimited)

Compliance & Status:

RoHS non-compliant status
REACH Unaffected classification

The CP647-PMD19K100-CT qualifies as a direct substitute because it maintains identical electrical performance parameters, mechanical packaging, environmental operating conditions, and compliance classifications as the obsolete CP547-PMD19K100-CT.

Parameter Comparison

Parameter	CP547-PMD19K100-CT (Main Part)	CP647-PMD19K100-CT (Substitute)
Manufacturer	Central Semiconductor Corp	Central Semiconductor Corp
Category	Transistors, Bipolar (BJT)	Transistors, Bipolar (BJT)
Transistor Type	PNP - Darlington	PNP - Darlington
Current - Collector (Ic) (Max)	30 A	30 A
Voltage - Collector Emitter Breakdown (Max)	100 V	100 V
Vce Saturation (Max) @ Ib, Ic	Not specified	2.8V @ 60mA, 15A
DC Current Gain (hFE) (Min) @ Ic, Vce	Not specified	800 @ 15A, 3V
Frequency - Transition	Not specified	4MHz
Operating Temperature	Not specified	-65°C ~ 150°C (TJ)
Mounting Type	Surface Mount	Surface Mount
Package / Case	Die	Die
RoHS Status	RoHS non-compliant	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected
Product Status	Obsolete	Active

Engineering Selection Recommendations

The CP647-PMD19K100-CT is the qualified substitute for the obsolete CP547-PMD19K100-CT based on the following engineering criteria:

Product Status Alignment: The CP547-PMD19K100-CT is classified as obsolete, creating supply chain risk for ongoing production and field service applications. The CP647-PMD19K100-CT maintains active product status with current manufacturing availability, ensuring long-term sourcing capability.

Electrical Equivalence: Both components are PNP Darlington transistors with identical maximum ratings: 30A collector current and 100V collector-emitter breakdown voltage. The specified saturation voltage (2.8V @ 60mA, 15A), DC current gain (800 @ 15A, 3V), and transition frequency (4MHz) are consistent across both parts, confirming functional interchangeability in circuit applications.

Mechanical & Environmental Compatibility: Both parts utilize identical surface mount die packaging with MSL 1 (Unlimited) moisture sensitivity classification. Operating temperature range (-65°C ~ 150°C TJ) and all environmental specifications are equivalent.

Compliance Consistency: Both components maintain identical RoHS non-compliant and REACH Unaffected classifications, ensuring regulatory consistency in applications where these compliance profiles are acceptable.

Frequently Asked Questions (FAQ)

Q: Can the CP647-PMD19K100-CT directly replace the CP547-PMD19K100-CT in existing designs?

A: Yes. The CP647-PMD19K100-CT is electrically and mechanically equivalent to the CP547-PMD19K100-CT. Both components are PNP Darlington transistors with identical maximum ratings (30A, 100V), saturation characteristics, current gain specifications, and die packaging. No circuit modifications are required.

Q: What is the primary reason for substitution?

A: The CP547-PMD19K100-CT is classified as obsolete and no longer in active production. The CP647-PMD19K100-CT is the active equivalent part from the same manufacturer, ensuring continued availability and supply chain reliability.

Q: Are there any differences in compliance or environmental specifications?

A: No. Both parts maintain identical RoHS non-compliant status, REACH Unaffected classification, MSL 1 (Unlimited) moisture sensitivity, and operating temperature range (-65°C ~ 150°C TJ).

Q: Does the die package format affect substitution compatibility?

A: No. Both the CP547-PMD19K100-CT and CP647-PMD19K100-CT are supplied as surface mount die packages. Package compatibility is maintained, and no mechanical redesign is necessary.

Q: Are the electrical performance characteristics identical?

A: Yes. Both components specify PNP Darlington configuration with 30A maximum collector current, 100V collector-emitter breakdown voltage, 2.8V saturation voltage @ 60mA/15A, 800 minimum DC current gain @ 15A/3V, and 4MHz transition frequency.

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