NPN Silicon Transistor BLUE ROCKET 2SD1857-Q in TO-92LM Package for Automotive Wiring Power Supply and Relay

Key Attributes
Model Number: 2SD1857-Q
Product Custom Attributes
Emitter-Base Voltage(Vebo):
5V
Current - Collector Cutoff:
1uA
Pd - Power Dissipation:
1W
Transition Frequency(fT):
80MHz
Type:
NPN
Number:
1 NPN
Current - Collector(Ic):
2A
Collector - Emitter Voltage VCEO:
120V
Operating Temperature:
-
Mfr. Part #:
2SD1857-Q
Package:
TO-92LM
Product Description

Product Overview

The 2SD1857 is a silicon NPN transistor housed in a TO-92LM plastic package. It features high breakdown voltage, low collector output capacitance, and a high transition frequency. This transistor is designed for applications such as power supplies, relay drivers, lamp drivers, and automotive wiring.

Product Attributes

  • Brand: Fsb (implied by fsbrec.com)
  • Package Type: TO-92LM
  • Transistor Type: NPN Silicon

Technical Specifications

Parameter Symbol Rating Unit
Collector to Base Voltage VCBO 120 V
Collector to Emitter Voltage VCEO 120 V
Emitter to Base Voltage VEBO 5.0 V
Collector Current (DC) IC 2.0 A
Collector Current (Pulse) ICP 3.0 A
Collector Power Dissipation PC 1.0 W
Junction Temperature Tj 150
Storage Temperature Range Tstg -55150
Parameter Symbol Test Conditions Min Typ Max Unit
Collector to Base Breakdown Voltage VCBO IC=50A IE=0 120 V
Collector to Emitter Breakdown Voltage VCEO IC=1mA IB=0 120 V
Emitter to Base Breakdown Voltage VEBO IE=50A IC=0 5 V
Collector Cut-Off Current ICBO VCB=100V IE=0 1.0 A
Emitter Cut-Off Current IEBO VEB=4V IC=0 1.0 A
DC Current Gain hFE VCE=5V IC=0.1A 82 390
Transition Frequency fT VCE=5V IE=-0.1A f=30MHz 80 MHz
Collector output capacitance Cob VCB=10V IE=0A f=1MHz 20 pF
Collector to Emitter Saturation Voltage VCE(sat) IC=1A IB=0.1A 0.4 V

hFE Classifications

Symbol hFE Range
P 82180
Q 120270
R 180390

Marking Instructions

The marking consists of: BR (Company Code), D1857 (Product Type), Q (hFE Classification Symbol), and **** (Lot No. Code).

Packaging Specifications

Bulk Package
Package Type Units/Bag Bags/Inner Box Units/Inner Box Inner Boxes/Outer Box Units/Outer Box Bag Dimension (mm) Inner Box Dimension (mm) Outer Box Dimension (mm)
TO-92LM 1,000 8 8,000 5 40,000 135190 237172102 560245195
Ammo Package
Package Type Units/tape Tape/Inner Box Rows/Inner Box Inner Boxes/Outer Box Units/Outer Box Tape Dimension (mm) Inner Box Dimension (mm) Outer Box Dimension (mm)
TO-92LM 2,500 1 100 10 25,000 32823042 480346235 547407268

Resistance to Soldering Heat Test Conditions

Temperature Time
2705 101 sec

Temperature Profile for Dip Soldering (Pb-Free)

  1. Preheating: 25~150, Time: 60~90sec.
  2. Peak Temp.: 2555, Duration: 50.5sec.
  3. Cooling Speed: 2~10/sec.

2410121234_BLUE-ROCKET-2SD1857-Q_C328601.pdf

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