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BDV64A-S Equivalent & Substitute Parts Reference
Part Overview
The BDV64A-S, manufactured by Bourns Inc., is a PNP Darlington Bipolar Junction Transistor (BJT) rated for 60 V collector-emitter voltage, a maximum collector current of 12 A, and 3.5 W power dissipation in a SOT-93 (TO-218-3) through-hole package. This part is classified as obsolete, requiring engineers to identify suitable substitute transistors for ongoing production or maintenance. The objective is to match electrical and mechanical parameters to ensure direct compatibility and maintain reliable circuit operation.
Substiute Parts
Key Parameters
| Parameter | BDV64A-S |
|---|---|
| Manufacturer Part Number | BDV64A-S |
| Transistor Type | PNP - Darlington |
| Voltage - Collector Emitter Breakdown (Max) | 60 V |
| Current - Collector (Ic) (Max) | 12 A |
| Vce Saturation (Max) @ Ib, Ic | 2V @ 20mA, 5A |
| Current - Collector Cutoff (Max) | 2mA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 1000 @ 5A, 4V |
| Power - Max | 3.5 W |
| Operating Temperature | -65°C ~ 150°C (TJ) |
| Mounting Type | Through Hole |
| Package / Case | TO-218-3 (SOT-93) |
| RoHS Status | ROHS3 Compliant |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitute parts for BDV64A-S are selected strictly by matching the transistor type (PNP - Darlington), mounting type (Through Hole), comparable or higher voltage and current ratings, DC current gain, Vce saturation characteristics, and compliance with RoHS standards. Mechanical compatibility is determined by similar package and case styles (e.g., TO-247-3). Only parts explicitly meeting these key boundaries are referenced as substitutes.
Key parameters for substitution:
- Transistor Type
- Collector-Emitter Voltage (Max)
- Collector Current (Ic) (Max)
- Vce Saturation (Max) @ Ib, Ic
- Collector Cutoff Current (Max)
- DC Current Gain (hFE) (Min)
- Power Dissipation (Max)
- Operating Temperature Range
- Mounting Type
- Package / Case
- RoHS Status
Parameter Comparison
| Parameter | BDV64A-S | BDV64BG |
|---|---|---|
| Manufacturer Part Number | BDV64A-S | BDV64BG |
| Transistor Type | PNP - Darlington | PNP - Darlington |
| Voltage - Collector Emitter Breakdown (Max) | 60 V | 100 V |
| Current - Collector (Ic) (Max) | 12 A | 10 A |
| Vce Saturation (Max) @ Ib, Ic | 2V @ 20mA, 5A | 2V @ 20mA, 5A |
| Current - Collector Cutoff (Max) | 2mA | 1mA |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 1000 @ 5A, 4V | 1000 @ 5A, 4V |
| Power - Max | 3.5 W | 125 W |
| Operating Temperature | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | TO-218-3 (SOT-93) | TO-247-3 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The BDV64A-S is obsolete; for continued RoHS-compliant production or replacement, select substitute parts that are active and satisfy identical compliance requirements. Confirm product activity and RoHS status from available inventory listings to ensure consistent supply and regulatory adherence.
Frequently Asked Questions (FAQ)
Q1: What are the critical electrical criteria for BDV64A-S substitution?
A1: Transistor type, collector-emitter voltage rating, collector current rating, DC current gain, collector cutoff current, and Vce saturation must be strictly matched or exceeded.
Q2: Can BDV64BG be directly substituted for BDV64A-S?
A2: BDV64BG is listed as a substitute based on comparable PNP Darlington type, voltage and current specifications, DC gain, and Vce saturation, while maintaining through-hole mounting and RoHS compliance.
Q3: Is package compatibility assured between BDV64A-S and BDV64BG?
A3: Both devices utilize through-hole packages; however, mechanical layout must be verified as BDV64A-S uses TO-218-3 (SOT-93) and BDV64BG uses TO-247-3.
Q4: Are RoHS compliance and environmental status matched?
A4: Both BDV64A-S and BDV64BG are ROHS3 Compliant.
Q5: Why is product status important in selecting a substitute?
A5: Ongoing availability (active status) ensures that substitutions are practical for production and supply chain continuity.
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