Diodes BC847AT, BT, CT User Manual

Bc847at, bt, ct, Features, Mechanical data

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BC847AT, BT, CT

NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR

Features

Epitaxial Die Construction

Complementary PNP Types Available
(BC857AT,BT,CT)

Ultra-Small Surface Mount Package

Lead Free/RoHS Compliant (Note 2)

"Green" Device (Note 4 and 5)

Mechanical Data

DS30274 Rev. 9 - 2

1 of 3

www.diodes.com

BC847AT, BT, CT

© Diodes Incorporated

Case: SOT-523

Case Material - Molded Plastic. UL Flammability
Classification Rating 94V-0

Moisture Sensitivity: Level 1 per J-STD-020C

Terminals: Solderable per MIL-STD-202, Method 208

Lead Free Plating (Matte Tin Finish annealed over
Alloy 42 leadframe).

Terminal Connections: See Diagram

Marking Code: See Table

Ordering Information: See Page 2

Marking Information: See Page 2

Weight: 0.002 grams (approximate)

Type

Marking

BC847AT

1E

BC847BT

1F

BC847CT

1M

SOT-523

Dim Min Max

Typ

A

0.15

0.30

0.22

B

0.75

0.85

0.80

C

1.45

1.75

1.60

D

0.50

G

0.90

1.10

1.00

H

1.50

1.70

1.60

J

0.00

0.10

0.05

K

0.60

0.80

0.75

L

0.10

0.30

0.22

M

0.10

0.20

0.12

N

0.45

0.65

0.50

α

0

°

8

°

All Dimensi

mm

ons in

A

M

J

L

D

Maximum Ratings

@T

A

= 25°C unless otherwise specified

Characteristic

Symbol

Value

Unit

Collector-Base Voltage

V

CBO

50

V

Collector-Emitter Voltage

V

CEO

45

V

Emitter-Base Voltage

V

EBO

6.0

V

Collector Current

I

C

100

mA

Power Dissipation (Note 1)

P

d

150

mW

Thermal Resistance, Junction to Ambient (Note 1)

R

θJA

833

°C/W

Operating and Storage Temperature Range

T

j

, T

STG

-55 to +150

°C

Electrical Characteristics

@T

A

= 25°C unless otherwise specified

Characteristic

Symbol

Min

Typ

Max

Unit

Test Condition

DC Current Gain (Note 3)

Current Gain A

B

C

h

FE

110
200
420

290
520

220
450
800

V

CE

= 5.0V, I

C

= 2.0mA

Collector-Emitter Saturation Voltage

(Note 3)

V

CE(SAT)

250
600

mV

I

C

= 10mA, I

B

= 0.5mA

I

C

= 100mA, I

B

= 5.0mA

Base-Emitter Saturation Voltage

(Note 3)

V

BE(SAT)

700
900

mV

I

C

= 10mA, I

B

= 0.5mA

I

C

= 100mA, I

B

= 5.0mA

Base-Emitter Voltage

(Note 3)

V

BE

580

660

700
770

mV

V

CE

= 5.0V, I

C

= 2.0mA

V

CE

=5.0V, I

C

= 10mA

Collector-Emitter Cutoff Current

(Note 3)

I

CBO

I

CBO

15

5.0

nA
µA

V

CB

= 30V

V

CB

= 30V, T

A

= 150°C

Gain Bandwidth Product

f

T

100

MHz

V

CE

= 5.0V, I

C

= 10mA,

f = 100MHz

Output Capacitance

C

OBO

4.5

pF

V

CB

= 10V, f = 1.0MHz

BC847BT
Noise Figure

BC847CT

NF

10

4.0

dB

V

CE

= 5V, R

S

= 2.0k

Ω,

f = 1.0kHz, BW

= 200Hz

Notes:

1. Device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which
can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
2. No purposefully added lead.
3. Short duration pulse test used to minimize self-heating effect.
4. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
5. Product manufactured with Date Code UO (week 40, 2007) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code UO are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.

B C

H

K

G

TOP VIEW

C

E

B

N

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