Datasheets
BC557 by:

TRANSISTOR 100 mA, 45 V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-92, PLASTIC, SC-43A, 3 PIN, BIP General Purpose Small Signal

Part Details for BC557 by NXP Semiconductors

Overview of BC557 by NXP Semiconductors

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Applications Consumer Electronics Audio and Video Systems

Part Details for BC557

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BC557 Part Data Attributes

BC557 NXP Semiconductors
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BC557 NXP Semiconductors TRANSISTOR 100 mA, 45 V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-92, PLASTIC, SC-43A, 3 PIN, BIP General Purpose Small Signal
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer NXP SEMICONDUCTORS
Part Package Code TO-92
Package Description PLASTIC, SC-43A, 3 PIN
Pin Count 3
Reach Compliance Code unknown
ECCN Code EAR99
Samacsys Manufacturer NXP
Collector Current-Max (IC) 0.1 A
Collector-Emitter Voltage-Max 45 V
Configuration SINGLE
DC Current Gain-Min (hFE) 125
JEDEC-95 Code TO-92
JESD-30 Code O-PBCY-T3
JESD-609 Code e3
Moisture Sensitivity Level 1
Number of Elements 1
Number of Terminals 3
Operating Temperature-Max 150 °C
Operating Temperature-Min -65 °C
Package Body Material PLASTIC/EPOXY
Package Shape ROUND
Package Style CYLINDRICAL
Peak Reflow Temperature (Cel) 250
Polarity/Channel Type PNP
Power Dissipation-Max (Abs) 0.625 W
Qualification Status Not Qualified
Surface Mount NO
Terminal Finish Matte Tin (Sn)
Terminal Form THROUGH-HOLE
Terminal Position BOTTOM
Time@Peak Reflow Temperature-Max (s) 40
Transistor Application SWITCHING
Transistor Element Material SILICON
Transition Frequency-Nom (fT) 100 MHz
VCEsat-Max 0.65 V

Alternate Parts for BC557

This table gives cross-reference parts and alternative options found for BC557. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of BC557, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Description Manufacturer Compare
BC557BZL1G 100mA, 45V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-92, LEAD FREE, CASE 29-11, TO-226, 3 PIN Rochester Electronics LLC BC557 vs BC557BZL1G
BC557 Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, TO-92, Crimson Semiconductor Inc BC557 vs BC557
933197710116 TRANSISTOR 100 mA, 45 V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-92, PLASTIC, SPT, SC-43, 3 PIN, BIP General Purpose Small Signal NXP Semiconductors BC557 vs 933197710116
BC557BRL1 100mA, 45V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-92 Motorola Mobility LLC BC557 vs BC557BRL1
BC557 50 V, 100 mA PNP Bipolar Junction Epitaxial Silicon Transistor, 5000-BLKBX - Bulk Box onsemi BC557 vs BC557
BC557/D26Z 100mA, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-92 Texas Instruments BC557 vs BC557/D26Z
BC557 Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, TO-92, LEAD FREE, TO-92, 3 PIN Fairchild Semiconductor Corporation BC557 vs BC557
BC557D27Z Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, TO-92 Fairchild Semiconductor Corporation BC557 vs BC557D27Z
BC557T/R TRANSISTOR 100 mA, 45 V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-92, PLASTIC, SC-43A, 3 PIN, BIP General Purpose Small Signal NXP Semiconductors BC557 vs BC557T/R
BC557 Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, TO-92, Micro Electronics Ltd BC557 vs BC557
Part Number Description Manufacturer Compare
MPSA55 Small Signal Bipolar Transistor, 0.5A I(C), 60V V(BR)CEO, 1-Element, PNP, Silicon, TO-92, TO-92, 3 PIN KEC BC557 vs MPSA55
BC337-25J05Z NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92 Texas Instruments BC557 vs BC337-25J05Z
BC857B Small Signal Bipolar Transistor, 0.01A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, ROHM Semiconductor BC557 vs BC857B
2N696 Small Signal Bipolar Transistor, 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-5, TO-5, 3 PIN International Devices Inc BC557 vs 2N696
2N696 Small Signal Bipolar Transistor, 0.5A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-39 Zetex / Diodes Inc BC557 vs 2N696
BC558 Small Signal Bipolar Transistor, 0.1A I(C), 30V V(BR)CEO, 1-Element, PNP, Silicon, TO-92, TO-92, 3 PIN KEC BC557 vs BC558
BC337-16J18Z NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92 Texas Instruments BC557 vs BC337-16J18Z
2N696 NPN, Si, SMALL SIGNAL TRANSISTOR, TO-5 Texas Instruments BC557 vs 2N696
MPSA14 Small Signal Bipolar Transistor, TO-92, Surge Components Inc BC557 vs MPSA14
BC558CRL1 100mA, 30V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-92, CASE 29, 3 PIN onsemi BC557 vs BC558CRL1

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