A Product Line of
Diodes Incorporated
BCW66H
45V NPN SMALL SIGNAL TRANSISTOR IN SOT23
Features
BV
CEO
> 45V
I
C
= 800mA High Continuous Collector Current
Low Saturation Voltage V
CE(sat)
< 300mV @ 100mA
Complementary PNP Type: BCW68H
Totally Lead-Free & Fully RoHS compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Qualified to AEC-Q101 Standards for High Reliability
PPAP capable (Note 4)
Mechanical Data
Case: SOT23
Case Material: molded plastic, “Green” molding compound
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Finish – Matte Tin Plated Leads, Solderable per
MIL-STD-202, Method 208
Weight 0.008 grams (approximate)
SOT23
C
E
C
B
B
E
Top View
Device Symbol
Top View
Pin-Out
Ordering Information
(Notes 4 & 5)
Part Number
BCW66HTA
BCW66HQTA
Notes:
Compliance
AEC-Q101
Automotive
Marking
EH
EH
Reel size (inches)
7
7
Tape width (mm)
8
8
Quantity per reel
3,000
3,000
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
4. Automotive products are AEC-Q101 qualified and are PPAP capable. Automotive, AEC-Q101 and standard products are electrically and thermally the
same, except where specified. For more information, please refer to http://www.diodes.com/quality/product_compliance_definitions/.
5. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
Marking Information
EH
EH = Product Type Marking Code
BCW66H
Document number: DS33003 Rev. 5 - 2
1 of 5
www.diodes.com
April 2013
© Diodes Incorporated
A Product Line of
Diodes Incorporated
BCW66H
Maximum Ratings
(@T
A
= +25°C, unless otherwise specified.)
Characteristic
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Continuous Collector Current
Peak Pulse Current
Base Current
Symbol
V
CBO
V
CEO
V
EBO
I
C
I
CM
I
B
Value
75
45
7
800
1000
100
Unit
V
V
V
mA
mA
mA
Thermal Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Characteristic
Power Dissipation
Thermal Resistance, Junction to Ambient
Thermal Resistance, Junction to Leads
Operating and Storage Temperature Range
Notes:
Symbol
(Note 6)
(Note 7)
(Note 6)
(Note 7)
(Note 8)
P
D
R
θJA
R
θJL
T
J,
T
STG
Value
310
350
403
357
350
-55 to +150
Unit
mW
C/W
C/W
C
6. For a device mounted on minimum recommended pad layout 1oz weight copper that is on a single-sided FR4 PCB; device is measured under still air
conditions whilst operating in a steady-state.
7. Same as Note 6, except the device is mounted on 15mm X 15mm 1oz copper.
8. Thermal resistance from junction to solder-point (at the end of the leads).
0.4
400
Max Power Dissipation (W)
0.3
Thermal Resistance (°C/W)
350
300
250
200
150
100
50
0
100µ
1m
10m 100m
D=0.2
D=0.5
D=0.1
Single Pulse
D=0.05
0.2
0.1
0.0
0
25
50
75
100
125
150
1
10
100
1k
Temperature (°C)
Pulse Width (s)
Derating Curve
10
Transient Thermal Impedance
Max Power Dissipation (W)
Single Pulse. T
amb
=25°C
1
0.1
10m
100m
1
10
100
1k
Pulse Width (s)
Pulse Power Dissipation
BCW66H
Document number: DS33003 Rev. 5 - 2
2 of 5
www.diodes.com
April 2013
© Diodes Incorporated
A Product Line of
Diodes Incorporated
BCW66H
Electrical Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Characteristic
OFF CHARACTERISTICS
Collector-Base Breakdown Voltage
Collector-Emitter Breakdown Voltage
(base open) (Note 9)
Emitter-Base Breakdown Voltage
Collector-Emitter Cut-Off Current
Emitter-Base Cut-Off Current
ON CHARACTERISTICS (Note 9)
Static Forward Current Transfer Ratio
Symbol
BV
CES
BV
CEO
BV
EBO
I
CES
I
EBO
Min
75
45
7
—
—
—
80
180
250
100
—
—
—
100
—
—
—
—
—
Typ
—
—
—
<1
—
<1
—
—
350
—
—
—
—
—
8
—
2
—
—
Max
—
—
—
20
20
20
—
—
630
—
0.3
0.7
2
—
12
80
10
100
400
Unit
V
V
V
nA
µA
nA
Test Condition
I
C
= 10µA
I
CEO
= 10mA
I
EBO
= 10µA
V
CES
= 45V
V
CES
= 45V, T
A
= +150°C
V
EBO
= 5.6V
I
C
= 100µA, V
CE
= 10V
I
C
= 10mA, V
CE
= 1V
I
C
= 100mA, V
CE
= 1V
I
C
= 500mA, V
CE
= 2V
I
C
= 100mA, I
B
= 10mA
I
C
= 500mA, I
B
= 50mA
I
C
= 500mA, I
B
= 50mA
I
C
= 20mA, V
CE
= 10V,
f = 100MHz
V
CB
= 10V, f = 1MHz
V
CB
= -0.5V, f = 1MHz
I
C
= 0.2mA. V
CE
= 5V,
R
G
= 1K
I
C
= 150mA.
I
B1
= -I
B2
= 15mA
R
L
= 150
h
FE
—
Collector-Emitter Saturation Voltage
Base-Emitter Saturation Voltage
SMALL SIGNAL CHARACTERISTICS (Note 9)
Transition Frequency
Output Capacitance
Input Capacitance
Noise Figure
Turn-On Time
Turn-Off Time
Notes:
V
CE(sat)
V
BE(sat)
f
T
C
obo
C
ibo
N
t
on
t
off
mV
V
MHz
pF
pF
dB
ns
ns
9. Measured under pulsed conditions. Pulse width
≤
300µs. Duty cycle
≤
2%
BCW66H
Document number: DS33003 Rev. 5 - 2
3 of 5
www.diodes.com
April 2013
© Diodes Incorporated
A Product Line of
Diodes Incorporated
BCW66H
Package Outline Dimensions
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.
A
B C
H
K
J
F
D
G
L
K1
M
SOT23
Dim
Min
Max
Typ
A
0.37
0.51
0.40
B
1.20
1.40
1.30
C
2.30
2.50
2.40
D
0.89
1.03 0.915
F
0.45
0.60 0.535
G
1.78
2.05
1.83
H
2.80
3.00
2.90
J
0.013 0.10
0.05
K
0.903 1.10
1.00
K1
-
-
0.400
L
0.45
0.61
0.55
M
0.085 0.18
0.11
0°
8°
-
All Dimensions in mm
Suggested Pad Layout
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.
Y
Z
C
Dimensions Value (in mm)
Z
2.9
X
0.8
Y
0.9
2.0
C
1.35
E
X
E
BCW66H
Document number: DS33003 Rev. 5 - 2
4 of 5
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April 2013
© Diodes Incorporated
A Product Line of
Diodes Incorporated
BCW66H
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume
all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated
website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings
noted herein may also be covered by one or more United States, international or foreign trademarks.
This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2013, Diodes Incorporated
www.diodes.com
BCW66H
Document number: DS33003 Rev. 5 - 2
5 of 5
www.diodes.com
April 2013
© Diodes Incorporated
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