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Bd437 TO126 Power Switch Transistor Trusemi

Order Code:  

81-0710

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Brand: ST  Copy to clipboard MPN: BD437  Copy to clipboard
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Qty Unit Price (Ex VAT)
5+ £0.311
25+ £0.244
100+ £0.190

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86 in Stock, despatched same dayAdditional quantity lead time 14 days

High power transistor with NPN polarity from ST, suitable for medium power linear and switching applications.


  • Collector emitter breakdown voltage 45V
  • Collector base breakdown voltage 45V
  • Collector current 4A
  • Power 36W
  • Current gain 140 DC
  • Transition frequency 3MHz
  • TO-126 case
Type BD437
Case TO-126
Collector-Emitter Voltage 45V
Collector Current Cont. 4A
Power Dissipation 36W
DC Current Gain (max.) 85
Transition Frequency 3MHz
Operating Temperature 150°C

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