BD434/436/438 PNP EPITAXIAL SILICON TRANSISTOR
MEDIUM POWER LINEAR AND SWITCHING
APPLICATIONS
• Complement to BD433, BD435 and BD437 respectively
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS (TC=25°C)
* Pulse Test: PW=300µs, duty Cycle=1.5% Pulsed
Characteristic Symbol Rating Unit
Collector Base Voltage
Collector Emitter Voltage
Collector Emitter Voltage
Emitter Base Voltage
Collector Current (DC)
Collector Current (Pulse)
Base Current
Collector Dissipation (TC=25°C)
Junction Temperature
Storage Temperature
VCBO
VCES
VCEO
VEBO
IC
IC
IB
P C
TJ
TSTG
- 22
- 32
- 45
- 22
- 32
- 45
- 22
- 32
- 45
- 5
- 4
- 7
- 1
36
150
-65 ~ 150
V
V
V
V
V
V
V
V
V
V
A
A
A
W
°C
°C
Characteristic Symbol Test Condition Min Typ Max Unit
Collector Emitter Sustaining Voltage
Collector Cutoff Current
Collector Cutoff Current
Emitter Cutoff Current
*DC Current Gain : BD434/436
: BD438
: ALL DEVICE
: BD434/436
: BD438
* Collector Emitter Saturation Voltage : BD434
: BD436
: BD438
*Base Emitter On Voltage : BD434
: BD436
: BD438
Transition Frequency
VCEO(sus)
ICBO
ICEO
IEBO
hFE
VCE(sat)
VBE(on)
fT
IC = - 100mA, IB = 0
VCB = - 22V, IE = 0
VCB = - 32V, IE = 0
VCB = - 45V, IE = 0
VCE = - 22V, VBE = 0
VCE = - 32V, VBE = 0
VCE = - 45V, VBE = 0
VEB = - 5V, IC = 0
VCE = - 5V, IC = - 10mA
VCE = - 1V, IC = - 500mA
VCE = - 1V, IC = - 2A
IC = - 2A, IB = - 0.2A
VCE = - 1V, IC = - 2A
VCE = - 1V, IC = - 250mA
- 22
- 32
- 45
40
30
85
50
40
3
140
140
140
- 0.2
- 0.2
- 0.2
- 100
- 100
- 100
- 100
- 100
- 100
- 1
- 0.5
- 0.5
- 0.6
- 1.1
- 1.1
- 1.2
V
V
V
µA
µA
µA
µA
µA
µA
mA
V
V
V
V
V
V
MHz
: BD434
: BD436
: BD438
: BD434
: BD436
: BD438
: BD434
: BD436
: BD438
1. Emitter 2.Collector 3.Base
TO-126
: BD434
: BD436
: BD438
: BD434
: BD436
: BD438
: BD434
: BD436
: BD438
1999 Fairchild Semiconductor Corporation
Rev. B
BD434/436/438 PNP EPITAXIAL SILICON TRANSISTOR
TRADEMARKS
ACEx™
CoolFET™
CROSSVOLT™
E2CMOSTM
FACT™
FACT Quiet Series™
FAST®
FASTr™
GTO™
HiSeC™
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is
not intended to be an exhaustive list of all such trademarks.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
ISOPLANAR™
MICROWIRE™
POP™
PowerTrench™
QS™
Quiet Series™
SuperSOT™-3
SuperSOT™-6
SuperSOT™-8
TinyLogic™
1. Life support devices or systems are devices or
systems which, (a) are intended for surgical implant into
the body, or (b) support or sustain life, or (c) 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.
2. A critical component is any component of a life
support device or system whose failure to perform can
be reasonably expected to cause the failure of the life
support device or system, or to affect its safety or
effectiveness.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification Product Status Definition
Advance Information
Preliminary
No Identification Needed
Obsolete
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
Formative or
In Design
First Production
Full Production
Not In Production
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER
NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD
DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT
OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT
RIGHTS, NOR THE RIGHTS OF OTHERS.
