BDX34C-S Equivalent & Substitute Parts Reference

Part Overview

The BDX34C-S by Bourns Inc. is a PNP Darlington bipolar junction transistor (BJT) designed for through-hole mounting in a TO-220 package. This component provides a collector-emitter voltage rating of 100 V and a continuous collector current of 10 A. It is categorized as obsolete, which necessitates the identification of precise equivalent and substitute transistors to ensure long-term support, maintain inventory continuity, and address design requirements where the BDX34C-S was originally specified.

Substiute Parts

BDX34C-S

Bourns Inc.In Stock: 1174BDX34C-S Datasheet

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BDX34C

STMicroelectronicsIn Stock: 21382BDX34C Datasheet

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BDW94C

STMicroelectronicsIn Stock: 25847BDW94C Datasheet

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BDW94C

STMicroelectronicsIn Stock: 25847BDW94C Datasheet

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BDX54C

STMicroelectronicsIn Stock: 21611BDX54C Datasheet

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TIP147T

STMicroelectronicsIn Stock: 21436TIP147T Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute and equivalent transistors for the BDX34C-S are identified strictly by matching or exceeding the following electrical and mechanical parameters:

• Transistor Type: PNP - Darlington
• Voltage - Collector Emitter Breakdown (Max)
• Current - Collector (Ic) (Max)
• V_CE Saturation (Max) @ I_B, I_C
• Current - Collector Cutoff (Max)
• DC Current Gain (h_FE) (Min) @ I_C, V_CE
• Power - Max
• Operating Temperature
• Mounting Type
• Package / Case
• RoHS Compliance

Only parts meeting or exceeding these specifications are listed as direct or similar substitutes.

Parameter Comparison

Engineering Selection Recommendations

Given the obsolete status of the BDX34C-S, selection of a substitute transistor should ensure availability and equivalent regulatory compliance. All listed substitute parts are ROHS3 compliant, feature an unrestricted moisture sensitivity level (MSL 1), and are classified as EAR99 under ECCN. Each alternative provides a through-hole, TO-220-3 package for direct mechanical compatibility. Product status is active for all listed substitutes, supporting ongoing procurement and long-term support.

Frequently Asked Questions (FAQ)

Q1: What criteria must be matched when substituting the BDX34C-S?
A: Substitutes require equivalent or superior transistor type (PNP - Darlington), voltage and current ratings, saturation voltage, current gain, mechanical mounting (Through Hole), and package/case (TO-220-3).

Q2: Are the listed substitutes form, fit, and function compatible with the BDX34C-S?
A: All listed parts match the package outline (TO-220-3), mounting type, and category specification, providing compatibility in typical PCB layouts.

Q3: What compliance requirements do these substitutes meet?
A: All alternatives are ROHS3 compliant and have a moisture sensitivity level of 1 (unlimited shelf life).

Q4: Are there differences in maximum ratings among substitute parts that affect selection?
A: Substitute parts may exceed the BDX34C-S in collector current, power dissipation, and current gain, but all meet or surpass the minimum required values for the application scope of BDX34C-S.

Q5: Why are only certain part numbers listed as direct substitutes?
A: Only part numbers with explicit matching electrical and mechanical parameters, as provided in the input dataset, are included to ensure selection without specification deviations.