BCX54 /55 /56

NPN MEDIUM POWER TRANSISTORS IN SOT89

Features Mechanical Data

 BVCEO > 45V, 60V & 80V  Case: SOT89
 Ic = 1A Continuous Collector Current  Case Material: Molded Plastic, “Green” Molding Compound
UL Flammability Rating 94V-0
 ICM = 1.5A Peak Pulse Current
 Moisture Sensitivity: Level 1 per J-STD-020
 Low Saturation Voltage VCE(sat) < 500mV @ 0.5A
 Terminals: Matte Tin Finish Leads, Solderable per MIL-STD-202
 Gain Groups 10 and 16 Method 208 e3
 Epitaxial Planar Die Construction  Weight: 0.055 grams (Approximate)
 Complementary PNP types: BCX51, 52, and 53
 Totally Lead-Free & Fully RoHS compliant (Notes 1 & 2)
 Halogen and Antimony Free. “Green” Device (Note 3) Applications
 Qualified to AEC-Q101 Standards for High Reliability
 Medium Power Switching or Amplification Applications
 AF driver and output stages

SOT89
C
E

B C C

B
E
Top View Device Symbol Top View
Pin-Out

Ordering Information (Note 4)

Product Compliance Marking Reel size (inches) Tape width (mm) Quantity per reel
BCX54TA AEC-Q101 BA 7 12 1,000
BCX5410TA AEC-Q101 BC 7 12 1,000
BCX5416TA AEC-Q101 BD 7 12 1,000
BCX5416-13R AEC-Q101 BD 13 12 4,000
BCX55TA AEC-Q101 BE 7 12 1,000
BCX5510TA AEC-Q101 BG 7 12 1,000
BCX5516TA AEC-Q101 BM 7 12 1,000
BCX56TA AEC-Q101 BH 7 12 1,000
BCX5610TA AEC-Q101 BK 7 12 1,000
BCX5616TA AEC-Q101 BL 7 12 1,000
BCX5616TC AEC-Q101 BL 13 12 4,000
Notes: 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. For packaging details, go to our website at http://www.diodes.com/products/packages.html

Marking Information

xx = Product Type Marking Code, as follows:

xx BCX54 = BA BCX55 = BE BCX56 = BH
BCX5410 = BC BCX5510 = BG BCX5610 = BK
BCX5416 = BD BCX5516 = BM BCX5616 = BL

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Absolute Maximum Ratings (@ TA = +25°C, unless otherwise specified.)

Characteristic Symbol BCX54 BCX55 BCX56 Unit
Collector-Base Voltage VCBO 45 60 100 V
Collector-Emitter Voltage VCEO 45 60 80 V
Emitter-Base Voltage VEBO 6 V
Continuous Collector Current IC 1
A
Peak Pulse Collector Current ICM 1.5
Continuous Base Current IB 100
mA
Peak Pulse Base Current IBM 200

Thermal Characteristics (@TA = +25°C, unless otherwise specified.)

Characteristic Symbol Value Unit
(Note 5) 1
Power Dissipation (Note 6) PD 1.5 W
(Note 7) 2.0
(Note 5) 125
Thermal Resistance, Junction to Ambient Air (Note 6) RθJA 83 °C/W
(Note 7) 60
Thermal Resistance, Junction to Lead (Note 8) RθJL 13 °C/W
Operating and Storage Temperature Range TJ, TSTG -65 to +150 °C

ESD Ratings (Note 9)

Characteristic Symbol Value Unit JEDEC Class
Electrostatic Discharge - Human Body Model ESD HBM 4,000 V 3A
Electrostatic Discharge - Machine Model ESD MM 400 V C
Notes: 5. For a device mounted with the exposed collector pad on 15mm x 15mm 1oz copper that is on a single-sided 1.6mm FR4 PCB; device is measured
under still air conditions whilst operating in a steady-state.
6. Same as note (5), except the device is mounted on 25mm x 25mm 1oz copper.
7. Same as note (5), except the device is mounted on 50mm x 50mm 1oz copper.
8. Thermal resistance from junction to solder-point (on the exposed collector pad).
9. Refer to JEDEC specification JESD22-A114 and JESD22-A115.

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Thermal Characteristics and Derating Information

120 25mm x 25mm 1oz Cu 25mm x 25mm 1oz Cu

Max Power Dissipation (W)

Thermal Resistance (°C/W)

Tamb = 25°C Tamb = 25°C

100
100 Single pulse

80
D=0.5
60
10
40 D=0.2 Single Pulse

20 D=0.05
D=0.1 1
0
100µ 1m 10m 100m 1 10 100 1k 100µ 1m 10m 100m 1 10 100 1k
Pulse Width (s) Pulse Width (s)
Transient Thermal Impedance Pulse Power Dissipation

1.0
Max Power Dissipation (W)

25mm x 25mm 1oz Cu

0.8

0.6

0.4

0.2

0.0
0 20 40 60 80 100 120 140 160
Temperature (°C)
Derating Curve
140.0 3
Thermal Resistance (°C/W)

T amb=25°C
Maximum Power (W)

2oz copper
120.0
2
100.0
1oz copper

80.0
1
1oz copper
60.0
T amb=25°C
2oz copper
40.0 0
0 500 1000 1500 2000 2500 0 500 1000 1500 2000 2500
Copper Area (sqmm) Copper Area (sqmm)

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Electrical Characteristics (@ TA = +25°C, unless otherwise specified.)

Characteristic Symbol Min Typ Max Unit Test Condition
BCX54 45
Collector-Base
BCX55 BVCBO 60 — — V IC = 100µA
Breakdown Voltage
BCX56 100
BCX54 45
Collector-Emitter
BCX55 BVCEO 60 — — V IC = 10mA
Breakdown Voltage (Note 10)
BCX56 80
Emitter-Base Breakdown Voltage BVEBO 6 — — V IE = 100µA
0.1 VCB = 30V
Collector Cut-off Current ICBO — — µA
20 VCB = 30V, TA = +150°C
Emitter Cut-off Current IEBO — — 20 nA VEB = 5V
25 — — IC = 5mA, VCE = 2V
All versions 40 — 250 IC = 150mA, VCE = 2V
Static Forward Current Transfer 25 — —
hFE — IC = 500mA, VCE = 2V
Ratio (Note 10)
10 gain grp 63 — 160 IC = 150mA, VCE = 2V
16 gain grp 100 — 250 IC = 150mA, VCE = 2V
Collector-Emitter Saturation Voltage (Note 10) VCE(sat) — — 0.5 V IC = 500mA, IB = 50mA
Base-Emitter Turn-On Voltage (Note 10) VBE(on) — — 1.0 V IC = 500mA, VCE = 2V
IC = 50mA, VCE = 10V
Transition Frequency fT 150 — — MHz
f = 100MHz
Output Capacitance Cobo — — 25 pF VCB = 10V, f = 1MHz
Note: 10. Measured under pulsed conditions. Pulse width ≤ 300µs. Duty cycle ≤ 2%.

0.8 250
IC, COLLECTOR CURRENT (A)

200
0.6
hFE, DC CURRENT GAIN

150

0.4

100

0.2
50

0 0
0 1 2 3 4 5 0.001 0.01 0.1 1 10
VCE, COLLECTOR-EMITTER VOLTAGE (V) IC, COLLECTOR CURRENT (A)
Fig. 1 Typical Collector Current Fig. 2 Typical DC Current Gain vs. Collector Current
vs. Collector-Emitter Voltage

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1.2 0.4
VBE(ON), BASE-EMITTER TURN-ON VOLTAGE (V)

1.0

VCE(SAT), COLLECTOR-EMITTER
SATURATION VOLTAGE (V)
0.3
0.8

0.6 0.2

0.4
0.1
0.2

0 0
0.0001 0.001 0.01 0.1 1 10 0.0001 0.001 0.01 0.1 1 10
IC, COLLECTOR CURRENT (A) IC, COLLECTOR CURRENT (A)
Fig. 3 Typical Base-Emitter Turn-On Voltage Fig. 4 Typical Collector-Emitter Saturation Voltage
vs. Collector Current vs. Collector Current
1.2
VBE(SAT), BASE-EMITTER SATURATION VOLTAGE (V)

140

1.0
120

0.8 100
CAPACITANCE (pF)

80
0.6

60
0.4
40

0.2
20

0 0
0.0001 0.001 0.01 0.1 1 10 0.1 1 10 100
IC, COLLECTOR CURRENT (A) VR, REVERSE VOLTAGE (V)
Fig. 5 Typical Base-Emitter Saturation Voltage
Fig. 6 Typical Capacitance Characteristics
vs. Collector Current
300
fT, GAIN-BANDWIDTH PRODUCT (MHz)

250

200

150

100

VCE = 5V
50 f = 100MHz

0
0 20 40 60 80 100
IC, COLLECTOR CURRENT (mA)
Fig. 7 Typical Gain-Bandwidth Product
vs. Collector Current

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Package Outline Dimensions

Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.

D1 0
.20
R0 C
SOT89
Dim Min Max

1
H A 1.40 1.60
H
E
B 0.44 0.62
B1 0.35 0.54
C 0.35 0.44
B1 B L
D 4.40 4.60
e D1 1.62 1.83
E 2.29 2.60
8° (4X) e 1.50 Typ
H 3.94 4.25
H1 2.63 2.93
A
L 0.89 1.20
All Dimensions in mm
D

Suggested Pad Layout

Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.

X1
Dimensions Value (in mm)
X 0.900
X2 (2x) X1 1.733
X2 0.416
Y 1.300
Y1
Y3 Y1 4.600
Y4 Y2 1.475
Y3 0.950
Y Y2 Y4 1.125
C 1.500
C
X (3x)

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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
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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.

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representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.

Copyright © 2014, Diodes Incorporated

www.diodes.com

BCX54 / 55 / 56 7 of 7 March 2014

Datasheet Number: DS35369 Rev. 6 – 2 www.diodes.com © Diodes Incorporated