Datasheets
2SD1781KT146R by: ROHM Semiconductor

Small Signal Bipolar Transistor, 0.8A I(C), 32V V(BR)CEO, 1-Element, NPN, Silicon, SMT3, SC-59, 3 PIN

Part Details for 2SD1781KT146R by ROHM Semiconductor

Overview of 2SD1781KT146R by ROHM Semiconductor

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Price & Stock for 2SD1781KT146R

Part # Distributor Description Stock Price Buy
DISTI # 2SD1781KT146RCT-ND
DigiKey TRANS NPN 32V 0.8A SMT3 Min Qty: 1 Lead time: 18 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 1654
In Stock
  • 1 $0.4000
  • 10 $0.2850
  • 100 $0.1435
  • 500 $0.1272
  • 1,000 $0.0990
  • 3,000 $0.0886
  • 6,000 $0.0866
  • 9,000 $0.0767
  • 30,000 $0.0757
  • 75,000 $0.0643
  • 150,000 $0.0619
$0.0619 / $0.4000 Buy Now
DISTI # 2SD1781KT146R
Avnet Americas Trans GP BJT NPN 32V 0.8A 3-Pin SMT T/R - Tape and Reel (Alt: 2SD1781KT146R) RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Lead time: 23 Weeks, 0 Days Container: Reel 0
  • 3,000 $0.0511
  • 6,000 $0.0497
  • 12,000 $0.0483
  • 18,000 $0.0469
  • 24,000 $0.0455
  • 30,000 $0.0448
$0.0448 / $0.0511 Buy Now
DISTI # 755-2SD1781KT146R
Mouser Electronics Bipolar Transistors - BJT NPN 32V 0.8A RoHS: Compliant 75
  • 1 $0.4000
  • 10 $0.2850
  • 100 $0.1280
  • 1,000 $0.0990
  • 3,000 $0.0790
  • 9,000 $0.0750
  • 24,000 $0.0710
  • 45,000 $0.0630
  • 99,000 $0.0610
$0.0610 / $0.4000 Buy Now
Future Electronics 2SD1781K Series 32 V 0.8 A SMT NPN Medium Power Transistor - SC-59 RoHS: Compliant pbFree: Yes Min Qty: 3000 Package Multiple: 3000 Lead time: 23 Weeks Container: Reel 0
Reel
  • 3,000 $0.0494
  • 9,000 $0.0475
  • 12,000 $0.0470
  • 30,000 $0.0454
  • 45,000 $0.0440
$0.0440 / $0.0494 Buy Now
DISTI # 66387137
Verical Trans GP BJT NPN 32V 0.8A 3-Pin SMT T/R RoHS: Compliant Min Qty: 175 Package Multiple: 1 Date Code: 2230 Americas - 1170
  • 175 $0.1788
  • 200 $0.1625
  • 1,000 $0.1206
$0.1206 / $0.1788 Buy Now
Bristol Electronics   2500
RFQ
Quest Components SMALL SIGNAL BIPOLAR TRANSISTOR, 0.8A I(C), 32V V(BR)CEO, 1-ELEMENT, NPN, SILICON 2995
  • 1 $0.1440
  • 94 $0.0900
  • 557 $0.0648
$0.0648 / $0.1440 Buy Now
Quest Components SMALL SIGNAL BIPOLAR TRANSISTOR, 0.8A I(C), 32V V(BR)CEO, 1-ELEMENT, NPN, SILICON 2000
  • 1 $0.5000
  • 26 $0.2250
  • 223 $0.1500
$0.1500 / $0.5000 Buy Now
DISTI # 2SD1781KT146R
TTI Bipolar Transistors - BJT NPN 32V 0.8A RoHS: Compliant pbFree: Pb-Free Min Qty: 3000 Package Multiple: 3000 Container: Reel Americas - 0
  • 3,000 $0.0520
  • 6,000 $0.0510
  • 9,000 $0.0500
  • 30,000 $0.0490
  • 45,000 $0.0480
$0.0480 / $0.0520 Buy Now
DISTI # 2SD1781KT146R
TME Transistor: NPN, bipolar, 32V, 0.8A, 200mW, SC59,SOT346 Min Qty: 10 0
  • 10 $0.0865
  • 50 $0.0665
  • 250 $0.0589
  • 1,000 $0.0530
  • 3,000 $0.0494
$0.0494 / $0.0865 RFQ
Ameya Holding Limited 2SD1781K Series 32 V 0.8 A SMT NPN Medium Power Transistor - SC-59 Min Qty: 1 220-Authorized Distributor
  • 1 $0.4410
  • 10 $0.2881
  • 100 $0.1254
  • 1,000 $0.0951
  • 3,000 $0.0872
$0.0872 / $0.4410 Buy Now
Chip 1 Exchange INSTOCK 97000
RFQ
DISTI # 2SD1781KT146R
Avnet Asia Trans GP BJT NPN 32V 0.8A 3-Pin SMT T/R (Alt: 2SD1781KT146R) RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Lead time: 24 Weeks, 0 Days 0
RFQ
DISTI # C1S625900124829
Chip1Stop Trans GP BJT NPN 32V 0.8A 3-Pin SMT T/R RoHS: Compliant pbFree: Yes Container: Cut Tape 1170
  • 25 $0.2840
  • 50 $0.2130
  • 100 $0.1430
  • 200 $0.1300
  • 1,000 $0.0965
$0.0965 / $0.2840 Buy Now
Sense Electronic Company Limited SOT23 3000
RFQ
Win Source Electronics TRANS NPN 32V 0.8A SOT-346 115200
  • 1,165 $0.0430
  • 2,860 $0.0350
  • 4,415 $0.0340
  • 6,065 $0.0330
  • 7,815 $0.0320
  • 10,345 $0.0290
$0.0290 / $0.0430 Buy Now

Part Details for 2SD1781KT146R

2SD1781KT146R CAD Models

2SD1781KT146R Part Data Attributes

2SD1781KT146R ROHM Semiconductor
Buy Now Datasheet
Compare Parts:
2SD1781KT146R ROHM Semiconductor Small Signal Bipolar Transistor, 0.8A I(C), 32V V(BR)CEO, 1-Element, NPN, Silicon, SMT3, SC-59, 3 PIN
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer ROHM CO LTD
Part Package Code SC-59
Package Description SMT3, SC-59, 3 PIN
Pin Count 3
Reach Compliance Code compliant
ECCN Code EAR99
Factory Lead Time 23 Weeks
Samacsys Manufacturer ROHM Semiconductor
Collector Current-Max (IC) 0.8 A
Collector-Emitter Voltage-Max 32 V
Configuration SINGLE
DC Current Gain-Min (hFE) 180
JESD-30 Code R-PDSO-G3
JESD-609 Code e1
Moisture Sensitivity Level 1
Number of Elements 1
Number of Terminals 3
Operating Temperature-Max 150 °C
Package Body Material PLASTIC/EPOXY
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260
Polarity/Channel Type NPN
Power Dissipation-Max (Abs) 0.2 W
Qualification Status Not Qualified
Surface Mount YES
Terminal Finish Tin/Silver/Copper (Sn/Ag/Cu)
Terminal Form GULL WING
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 10
Transistor Application AMPLIFIER
Transistor Element Material SILICON
Transition Frequency-Nom (fT) 150 MHz
VCEsat-Max 0.4 V

Alternate Parts for 2SD1781KT146R

This table gives cross-reference parts and alternative options found for 2SD1781KT146R. 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 2SD1781KT146R, 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
2SD1781KT146/R 800mA, 32V, NPN, Si, SMALL SIGNAL TRANSISTOR, SMT3, SC-59, 3 PIN ROHM Semiconductor 2SD1781KT146R vs 2SD1781KT146/R

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