BD135-16 - STMICROELECTRONICS

May 2008 Rev 5 1/9

BD135 - BD136

BD139 - BD140

Complementary low voltage transistor

Features

■Products are pre-selected in DC current gain

Application

■General purpose

Description

These epitaxial planar transistors are mounted in

the SOT-32 plastic package. They are designed

for audio amplifiers and drivers utilizing

complementary or quasi-complementary circuits.

The NPN types are the BD135 and BD139, and

the complementary PNP types are the BD136

and BD140.

Figure 1. Internal schematic diagram

321

SOT-32

NPN PNP

Table 1. Device summary

Order codes Marking Package Packaging

BD135 BD135

SOT-32 Tube

BD135-16 BD135-16

BD136 BD136

BD136-16 BD136-16

BD139 BD139

BD139-10 BD139-10

BD139-16 BD139-16

BD140 BD140

BD140-10 BD140-10

BD140-16 BD140-16

www.st.com

Contents BD135 - BD136 - BD139 - BD140

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Contents

1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.1 Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

BD135 - BD136 - BD139 - BD140 Electrical ratings

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1 Electrical ratings

Table 2. Absolute maximum ratings

Symbol Parameter

Value

UnitNPN PNP

BD135 BD139 BD136 BD140

VCBO Collector-base voltage (IE = 0) 45 80 -45 -80 V

VCEO Collector-emitter voltage (IB = 0) 45 80 -45 -80 V

VEBO Emitter-base voltage (IC = 0) 5-5V

ICCollector current 1.5 -1.5 A

ICM Collector peak current 3 -3 A

IBBase current 0.5 -0.5 A

PTOT Total dissipation at Tc ≤ 25 °C 12.5 W

PTOT Total dissipation at Tamb ≤ 25 °C 1.25 W

Tstg Storage temperature -65 to 150 °C

TjMax. operating junction temperature 150 °C

Table 3. Thermal data

Symbol Parameter Max value Unit

Rthj-case Thermal resistance junction-case 10 °C/W

Rthj-amb Thermal resistance junction-ambient 100 °C/W

Electrical characteristics BD135 - BD136 - BD139 - BD140

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2 Electrical characteristics

(Tcase= 25 °C unless otherwise specified)

Table 4. On/off states

Symbol Parameter Polarity Test conditions Value Unit

Min. Typ. Max.

ICBO

Collector cut-off

current (IE=0)

NPN VCB = 30 V

VCB = 30 V, TC = 125 °C

0.1

µA

PNP VCB = -30 V

VCB = -30 V, TC = 125 °C

-0.1

-10

µA

IEBO

Emitter cut-off current

(IC=0)

NPN VEB = 5 V 10 µA

PNP VEB = -5 V -10 µA

VCEO(sus)(1)

1. Pulsed: pulse duration = 300 µs, duty cycle 1.5%

Collector-emitter

sustaining voltage

(IB=0)

NPN

IC = 30 mA

BD135

BD139

PNP

IC = -30 mA

BD136

BD140

-45

-80

VCE(sat) (1) Collector-emitter

saturation voltage

NPN IC = 0.5 A, IB = 0.05 A 0.5 V

PNP IC = -0.5 A, IB = -0.05 A -0.5 V

VBE (1) Base-emitter voltage NPN IC = 0.5 A, VCE = 2 V 1 V

PNP IC = -0.5 A, VCE = -2 V -1 V

hFE (1) DC current gain

NPN

IC = 5 mA, VCE = 2 V

IC = 150 mA, VCE = 2 V

IC = 0.5 A, VCE = 2 V

250

PNP

IC = -5 mA, VCE = -2 V

IC = -150 mA, VCE = -2 V

IC = -0.5 A, VCE = -2 V

250

hFE (1) hFE groups

NPN

IC = 150 mA, VCE = 2 V

BD139-10

BD135-16/BD139-16

100

160

250

PNP

IC = -150 mA, VCE = -2 V

BD140-10

BD136-16/BD140-16

100

160

250

BD135 - BD136 - BD139 - BD140 Electrical characteristics

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2.1 Electrical characteristics (curves)

Figure 2. Safe operating area Figure 3. Derating

Package mechanical data BD135 - BD136 - BD139 - BD140

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3 Package mechanical data

In order to meet environmental requirements, ST offers these devices in ECOPACK®

packages. These packages have a lead-free second level interconnect. The category of

second level interconnect is marked on the package and on the inner box label, in

compliance with JEDEC Standard JESD97. The maximum ratings related to soldering

conditions are also marked on the inner box label. ECOPACK is an ST trademark.

ECOPACK specifications are available at: www.st.com

BD135 - BD136 - BD139 - BD140 Package mechanical data

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Revision history BD135 - BD136 - BD139 - BD140

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4 Revision history

Table 5. Document revision history

Date Revision Changes

16-Sep-2001 4

22-May-2008 5 Mechanical data has been updated.

BD135 - BD136 - BD139 - BD140

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