BCR 164L3 E6327 Equivalent & Substitute Parts

Part Overview

The BCR 164L3 E6327 is a pre-biased PNP bipolar junction transistor manufactured by Infineon Technologies, designed for surface mount applications in the SC-101/SOT-883 package. This component integrates internal base and emitter-base resistors, enabling simplified circuit design for switching and amplification applications requiring 50 V collector-emitter breakdown voltage and 100 mA maximum collector current.

The BCR 164L3 E6327 is currently discontinued at DiGi Electronics. Equivalent substitute parts are available from Nexperia USA Inc. to maintain design continuity and ensure supply chain availability for new production and replacement applications.

Substiute Parts

BCR 164L3 E6327

Infineon TechnologiesIn Stock: 1168BCR 164L3 E6327 Datasheet

Current PartRFQ

PDTA143ZM,315

Nexperia USA Inc.In Stock: 9607PDTA143ZM,315 Datasheet

MFR RecommendedRFQ

PDTA143ZMB,315

Nexperia USA Inc.In Stock: 1196PDTA143ZMB,315 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the BCR 164L3 E6327 is determined by the following critical parameters that must remain constant or compatible:

Mandatory Matching Parameters:

• Transistor Type: PNP - Pre-Biased
• Current - Collector (Ic) Max: 100 mA
• Voltage - Collector Emitter Breakdown (Max): 50 V
• Resistor - Base (R1): 4.7 kOhms
• Package / Case: SC-101, SOT-883
• Mounting Type: Surface Mount
• RoHS Status: ROHS3 Compliant

Allowable Variation Parameters:

• Resistor - Emitter Base (R2): Substitute parts specify 47 kOhms versus 10 kOhms in the original part. This variation is acceptable as it affects bias network characteristics within the pre-biased transistor design.
• DC Current Gain (hFE): Substitute parts specify 100 @ 10mA, 5V versus 30 @ 5mA, 5V in the original part. Higher gain in substitutes provides improved switching performance.
• Vce Saturation: Substitute parts specify 100mV @ 250µA, 5mA versus 300mV @ 500µA, 10mA in the original part. Lower saturation voltage in substitutes indicates superior switching characteristics.
• Current - Collector Cutoff (Max): Substitute parts specify 1µA versus 100nA in the original part. This represents a minor increase in leakage current within acceptable operational limits.
• Frequency - Transition: Substitute parts specify 160–180 MHz, maintaining or exceeding the original specification.

Two substitute part numbers are qualified for this application, differentiated by packaging format and automotive qualification status.

Parameter Comparison

Engineering Selection Recommendations

PDTA143ZM,315 Selection Criteria:

The PDTA143ZM,315 manufactured by Nexperia USA Inc. is a direct functional equivalent available in Cut Tape (CT) packaging format. This substitute maintains all critical electrical parameters including 50 V collector-emitter breakdown voltage, 100 mA maximum collector current, and 4.7 kOhms base resistor. The part is currently in active production status, ensuring supply chain continuity. ROHS3 compliance and MSL 1 rating match the original specification. The higher DC current gain (100 versus 30) and lower saturation voltage (100mV versus 300mV) provide improved switching performance characteristics. Selection of this part is appropriate for standard industrial and consumer applications where automotive qualification is not required.

PDTA143ZMB,315 Selection Criteria:

The PDTA143ZMB,315 manufactured by Nexperia USA Inc. is an automotive-qualified variant carrying AEC-Q100 certification. This substitute is supplied in Tape & Reel (TR) packaging, matching the original BCR 164L3 E6327 packaging format. The part maintains identical electrical specifications to PDTA143ZM,315 while adding automotive-grade reliability qualification. The 3-XFDFN package (DFN1006B-3) differs from the original SOT-883 package but remains compatible with surface mount assembly processes. Transition frequency specification of 180 MHz exceeds the original 160 MHz requirement. Selection of this part is mandatory for automotive applications, safety-critical systems, or designs requiring AEC-Q100 certification.

Supply Chain Availability:

Both substitute parts are currently in active production with substantial inventory availability (9532 Pcs for PDTA143ZM,315 and 1102 Pcs for PDTA143ZMB,315), ensuring reliable procurement for new production and replacement applications.

Frequently Asked Questions (FAQ)

Q1: Can PDTA143ZM,315 and PDTA143ZMB,315 be used interchangeably with BCR 164L3 E6327?

A: Both Nexperia parts are functionally equivalent to the BCR 164L3 E6327 for applications requiring a PNP pre-biased transistor with 50 V breakdown voltage and 100 mA collector current. The primary differences are packaging format and automotive qualification status. PDTA143ZM,315 is supplied in Cut Tape format, while PDTA143ZMB,315 is supplied in Tape & Reel format with AEC-Q100 certification. Selection depends on application requirements and assembly process compatibility.

Q2: What is the significance of the different emitter-base resistor values (10 kOhms versus 47 kOhms)?

A: The emitter-base resistor (R2) affects the bias network characteristics of the pre-biased transistor. The BCR 164L3 E6327 specifies 10 kOhms, while both Nexperia substitutes specify 47 kOhms. This variation results in different bias current distribution but does not prevent functional substitution. The higher R2 value in substitutes contributes to the improved DC current gain (100 versus 30) and lower saturation voltage (100mV versus 300mV), providing superior switching performance in most applications.

Q3: Why do the substitute parts have higher DC current gain (hFE) than the original?

A: The DC current gain specification is measured at different operating points. The BCR 164L3 E6327 specifies hFE of 30 @ 5mA, 5V, while substitutes specify 100 @ 10mA, 5V. Higher gain in substitutes indicates improved transistor efficiency and faster switching response. This enhancement is compatible with existing circuit designs and typically improves overall system performance.

Q4: Is the package difference between SOT-883 and 3-XFDFN significant?

A: Both packages are surface mount formats suitable for automated assembly. The SOT-883 package (used in BCR 164L3 E6327 and PDTA143ZM,315) and the 3-XFDFN package (used in PDTA143ZMB,315) have different physical dimensions and land patterns. PCB layout and assembly tooling must be verified for compatibility. PDTA143ZM,315 maintains identical SOT-883 packaging, enabling direct board-level substitution without layout modification.

Q5: When should PDTA143ZMB,315 be selected over PDTA143ZM,315?

A: PDTA143ZMB,315 should be selected for automotive applications, safety-critical systems, or designs requiring AEC-Q100 certification. The automotive qualification ensures compliance with automotive industry reliability and quality standards. For standard industrial and consumer applications without automotive requirements, PDTA143ZM,315 is the appropriate selection.

Q6: Are there any compliance or certification differences between the original and substitute parts?

A: All three parts (BCR 164L3 E6327, PDTA143ZM,315, and PDTA143ZMB,315) are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. PDTA143ZMB,315 adds AEC-Q100 automotive qualification. All parts carry EAR99 ECCN classification and are REACH unaffected. Compliance documentation should be verified with the respective manufacturers for specific application requirements.

Q7: What is the impact of the higher collector cutoff current (1µA versus 100nA) in substitute parts?

A: The collector cutoff current (ICBO) represents leakage current in the off state. The BCR 164L3 E6327 specifies 100nA maximum, while substitutes specify 1µA maximum. This represents a 10-fold increase but remains within acceptable limits for most switching applications. The impact on circuit performance is negligible in typical pre-biased transistor applications where the internal bias network dominates switching behavior.