BC817-25QA_40QA All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 1 — 3 September 2013 6 of 15
NXP Semiconductors
BC817-25QA; BC817-40QA
45 V, 500 mA NPN general-purpose transistors
FR4 PCB, single-sided copper, 1 cm
2
Fig 5. Transient thermal impedance from junction to ambient as a function of pulse duration; typical values
FR4 PCB, 4-layer copper, 1 cm
2
Fig 6. Transient thermal impedance from junction to ambient as a function of pulse duration; typical values
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BC817-25QA_40QA All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 1 — 3 September 2013 7 of 15
NXP Semiconductors
BC817-25QA; BC817-40QA
45 V, 500 mA NPN general-purpose transistors
7. Characteristics
[1] Pulse test: t
p
300 s; 0.02.
Table 8. Characteristics
T
amb
= 25
C unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
I
CBO
collector-base
cut-off current
V
CB
= 20 V; I
E
= 0 A - - 100 nA
V
CB
= 20 V; I
E
= 0 A;
T
j
= 150 C
--5A
I
EBO
emitter-base
cut-off current
V
EB
= 5 V; I
C
= 0 A - - 100 nA
h
FE
DC current gain V
CE
= 1 V; I
C
= 100 mA
[1]
BC817-25QA 160 - 400
BC817-40QA 250 - 600
h
FE
DC current gain V
CE
= 1 V; I
C
= 500 mA
[1]
40 - -
V
CEsat
collector-emitter
saturation voltage
I
C
= 500 mA; I
B
= 50 mA
[1]
- - 700 mV
V
BE
base-emitter voltage I
C
= 500 mA; V
CE
= 1 V
[1]
--1.2V
C
c
collector capacitance V
CB
= 10 V; I
E
= i
e
= 0 A;
f=1MHz
-3-pF
f
T
transition frequency V
CE
= 5 V; I
C
= 10 mA;
f=100MHz
100 - - MHz
V
CE
= 1 V
(1) T
amb
= 100 C
(2) T
amb
= 25 C
(3) T
amb
= 55 C
T
amb
= 25 C
Fig 7. BC817-25QA: DC current gain as a function of
collector current; typical values
Fig 8. BC817-25QA: Collector current as a function
of collector-emitter voltage; typical values
006aaa132
400
200
600
h
FE
0
I
C
(mA)
10
1
10
3
10
2
110
(1)
(2)
(3)
9
&(
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BC817-25QA_40QA All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 1 — 3 September 2013 8 of 15
NXP Semiconductors
BC817-25QA; BC817-40QA
45 V, 500 mA NPN general-purpose transistors
V
CE
= 1 V
(1) T
amb
= 55C
(2) T
amb
= 25 C
(3) T
amb
= 100 C
I
C
/I
B
= 10
(1) T
amb
= 55 C
(2) T
amb
= 25 C
(3) T
amb
= 100 C
Fig 9. BC817-25QA: Base-emitter voltage as a
function of collector current; typical values
Fig 10. BC817-25QA: Base-emitter saturation voltage
as a function of collector current; typical
values
I
C
/I
B
= 10
(1) T
amb
= 55C
(2) T
amb
= 25 C
(3) T
amb
= 100 C
V
CE
= 1 V
(1) T
amb
= 100 C
(2) T
amb
= 25 C
(3) T
amb
= 55 C
Fig 11. BC817-25QA: Collector-emitter saturation
voltage as a function of collector current;
typical values
Fig 12. BC817-40QA: DC current gain as a function of
collector current; typical values
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I
C
(mA)
10
1
10
3
10
2
110
1
10
V
BEsat
(V)
10
1
(1)
(2)
(3)
006aaa138
10
1
10
2
1
V
CEsat
(V)
10
3
I
C
(mA)
10
1
10
3
10
2
110
(1)
(2)
(3)
006aaa133
400
200
600
800
h
FE
0
I
C
(mA)
10
1
10
3
10
2
110
(1)
(2)
(3)

BC817-40QAZ

Mfr. #:
Manufacturer:
Nexperia
Description:
Bipolar Transistors - BJT 45V 500mA NPN GP Transistors
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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