BD240C-S Equivalent & Substitute Parts Reference

Part Overview

The BD240C-S from Bourns Inc. is a PNP Bipolar Junction Transistor (BJT) rated for 100 V collector-emitter voltage, 2 A maximum collector current, and 2 W power dissipation in a TO-220 through-hole package. The BD240C-S is marked as obsolete, necessitating the identification of equivalent or substitute models for ongoing production and maintenance requirements.

Key Parameters

Parameter	Value
Transistor Type	PNP
Current - Collector (Ic) (Max)	2 A
Voltage - Collector Emitter Breakdown (Max)	100 V
Vce Saturation (Max) @ Ib, Ic	700mV @ 200mA, 1A
Current - Collector Cutoff (Max)	300µA
DC Current Gain (hFE) (Min) @ Ic, Vce	15 @ 1A, 4V
Power - Max	2 W
Operating Temperature	-65°C ~ 150°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-220-3
Supplier Device Package	TO-220
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Equivalent and substitute parts for BD240C-S, a PNP bipolar transistor, are strictly identified based on matching the following primary parameters: Transistor Type, Collector-Emitter Voltage Rating, Maximum Collector Current, Collector Cutoff Current, DC Current Gain, Power Dissipation, Operating Temperature Range, Mounting Type, and Package Details. Only substitute parts that provide compatible specifications with respect to these characteristics are considered.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Transistor Type	Current - Collector (Ic) (Max)	Voltage - Collector Emitter Breakdown (Max)	Vce Saturation (Max) @ Ib, Ic	Current - Collector Cutoff (Max)	DC Current Gain (hFE) (Min) @ Ic, Vce	Power - Max	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package	RoHS Status
BD240C-S	Bourns Inc.	PNP	2 A	100 V	700mV @ 200mA, 1A	300µA	15 @ 1A, 4V	2 W	-65°C ~ 150°C (TJ)	Through Hole	TO-220-3	TO-220	ROHS3 Compliant
BD912	NTE Electronics, Inc	PNP	15 A	100 V	3V @ 2.5A, 10A	1mA	40 @ 500mA, 4V	90 W	-65°C ~ 150°C (TJ)	Through Hole	TO-220-3	TO-220	RoHS non-compliant
MJE15029G	onsemi	PNP	8 A	120 V	500mV @ 100mA, 1A	100µA	20 @ 4A, 2V	50 W	-65°C ~ 150°C (TJ)	Through Hole	TO-220-3	TO-220	ROHS3 Compliant
TIP30CG	onsemi	PNP	1 A	100 V	700mV @ 125mA, 1A	300µA	15 @ 1A, 4V	2 W	-65°C ~ 150°C (TJ)	Through Hole	TO-220-3	TO-220	ROHS3 Compliant
TIP32C	STMicroelectronics	PNP	3 A	100 V	1.2V @ 375mA, 3A	300µA	10 @ 3A, 4V	2 W	150°C (TJ)	Through Hole	TO-220-3	TO-220	ROHS3 Compliant
TIP32CG	onsemi	PNP	3 A	100 V	1.2V @ 375mA, 3A	300µA	10 @ 3A, 4V	2 W	-65°C ~ 150°C (TJ)	Through Hole	TO-220-3	TO-220	ROHS3 Compliant
TIP42CG	onsemi	PNP	6 A	100 V	1.5V @ 600mA, 6A	700µA	15 @ 3A, 4V	2 W	-65°C ~ 150°C (TJ)	Through Hole	TO-220-3	TO-220	ROHS3 Compliant

Engineering Selection Recommendations

Selection of direct replacement parts for BD240C-S should consider product status and RoHS compliance in addition to parameter compatibility. The BD240C-S is obsolete, thus only active parts should be used for new designs. For RoHS-compliant requirements, select substitutes explicitly specified as ROHS3 Compliant. Device mechanical form factor must be maintained by choosing parts in the TO-220-3 through-hole package.

Frequently Asked Questions (FAQ)

Q1: What are the primary parameters that determine substitution for a PNP BJT like the BD240C-S?
A1: The primary parameters are transistor type (PNP), maximum collector current, collector-emitter breakdown voltage, collector cutoff current, DC current gain, power dissipation, package type, and mounting style.

Q2: Are all substitute parts pin-compatible with BD240C-S?
A2: All listed substitutes use the TO-220-3 through-hole package, which matches the BD240C-S package configuration.

Q3: Why is RoHS compliance significant in selecting substitutes?
A3: RoHS compliance ensures the substitute part meets environmental standards and is suitable for markets where hazardous substances restrictions are applicable.

Q4: Can these substitutes be used directly for new designs?
A4: Substitutes with an active product status and matching RoHS requirements are suitable for use in new designs, provided all relevant parameters are compatible.

Q5: Are there differences in collector current and power handling among substitutes?
A5: Substitute parts may have higher current and power ratings; verify that substitute ratings meet or exceed the circuit’s requirements without exceeding design constraints.

Q6: Does the package type guarantee compatibility with existing PCBs?
A6: TO-220-3 through-hole packages ensure mechanical and mounting compatibility with designs originally using the BD240C-S.

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