2SC4837S-AY - ON SEMICONDUCTOR

Any and all SANYO products described or contained herein do not have specifications that can handle

applications that require extremely high levels of reliability, such as life-support systems, aircraft’s

control systems, or other applications whose failure can be reasonably expected to result in serious

physical and/or material damage. Consult with your SANYO representative nearest you before using

any SANYO products described or contained herein in such applications.

SANYO assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other

parameters) listed in products specifications of any and all SANYO products described or contained

herein.

PNP/NPN Epitaxial Planar Silicon Transistors

50V/4A Switching Applications

Ordering number:ENN4135

2SA1855/2SC4837

SANYO Electric Co.,Ltd. Semiconductor Company

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

91003TN (KT)/91098HA (KT)/5132MH (KOTO) No.4135–1/4

retemaraPlobmySsnoitidnoCsgnitaRtinU

egatloVesaB-ot-rotcelloCV

OBC 06)–(V

egatloVrettimE-ot-rotcelloCV

OEC 05)–(V

egatloVesaB-ot-rettimEV

OBE 6)–(V

tnerruCrotcelloCI

C4)–(A

)esluP(tnerruCrotelloCI

PC 6)–(A

noitapissiDrotcelloCP

C5.1W

erutarepmeTnoitcnuJjT 051

erutarepmeTegarotSgtsT 051+ot55–

( ) : 2SA1855

Specifications

Absolute Maximum Ratings at Ta = 25˚C

Package Dimensions

unit:mm

2084B

[2SA1855/2SC4837]

Applications

· Power supplies, relay drivers, lamp drivers.

Features

· Adoption of FBET and MBIT processes.

· Large allowable collector dissipation.

· Low saturation voltage.

· Wide ASO and large current capacity.

· Usage of radial taping to meet automatic mounting.

˚C

Electrical Characteristics at Ta = 25˚C

1 : Emitter

2 : Collector

3 : Base

SANYO : FLP

retemaraPlobmySsnoitidnoC sgnitaR tinU

nimpytxam

tnerruCffotuCrotcelloCI

OBC VBC I,V04)–(= E0=1)–(Aµ

tnerruCffotuCrettimEI

OBE VBE I,V4)–(= C0=1)–(Aµ

niaGtnerruCCD hEF 1V

EC I,V2)–(= CAm01)–(=*001*004

hEF 2V

EC I,V2)–(= CA3)–(=04

tcudorPhtdiwdnaBniaGf

TVEC I,V01)–(= CAm05)–(=051zHM

ecnaticapaCtuptuOC

bo VBC zHM1=f,V01)–(=52)93(Fp

* : The 2SA1855/2SC4837 are classified by 100mA hFE as follows : Continued on next page.

knaRRST

hEF 002ot001082ot041004ot002

10.5

1.2

1.6

0.5

2.5 2.5

4.5

1.2

1.4

2.6

8.5

1.0

7.5

1.9

0.5

123

2SA1855/2SC4837

No.4135–2/4

Switching Time Test Circuit

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nimpytxam

egatloVnoitarutaSrettimE-ot-rotcelloCV

)tas(EC ICI,A2)–(= BAm001)–(= )053–()007–(Vm

091005Vm

egatloVnoitarutaSrettimE-ot-esaBV

)tas(EB ICI,A2)–(= BAm001)–(=49.0)–(2.1)–(V

egatloVnwodkaerBesaB-ot-rotcelloCV

OBC)RB( ICI,Aµ01–=E0=06)–(V

egatloVnwodkaerBrettimE-ot-rotcelloCV

OEC)RB( ICR,Am1–=EB =∞05)–(V

egatloVnwodkaerBesaB-ot-rettimEV

OBE)RB( IEI,Aµ01–=C0=6)–(V

emiTNO-nruTt

no tiucrICtseTdeificepseeS07sn

emiTegarotSt

gts tiucrICtseTdeificepseeS )054(sn

056sn

emiTllaFt

ftiucriCtseTdeificepseeS53)03(sn

50Ω25Ω

INPUT OUTPUT

VCC=25V

100µF470µF

VBE= --5V

PW=20µs

IB1

IC=10IB1= --10IB2=1A

DC≤1%

IB2

IB=0

2SA1855 2SC4837

--1

00 --0.4 --0.8 --1.2 --1.6 --2.0

IC -- VCE

ITR04917

--5

--2

--3

--4

--100mA

--50mA

--5mA

--10mA

--200mA

--20mA

IB=0

00 0.4 0.8 1.2 1.6 2.0

IC -- VCE

ITR04918

100mA

80mA

60mA

40mA

20mA

10mA

5mA

IB=0

2SA1855 2SC4837

--0.4

00 --4 --8 --12 --16 --20

IC -- VCE

ITR04919

--2.0

--0.8

--1.2

--1.6

--10mA

--8mA

--2mA

--12mA

--4mA

--6mA

IB=0

0.4

0048121620

IC -- VCE

ITR04920

2.0

0.8

1.2

1.6

8mA

7mA

6mA

5mA

4mA

3mA

2mA

1mA

Collector Current, IC– A

Collector-to-Emitter Voltage, VCE –V

Collector Current, IC– A

Collector-to-Emitter Voltage, VCE –V

Collector Current, IC– A

Collector-to-Emitter Voltage, VCE –V

Collector Current, IC– A

Collector-to-Emitter Voltage, VCE –V

Continued from preceding page.

2SA1855/2SC4837

No.4135–3/4

100

1000

10 --0.1--0.01 --1.0

hFE -- IC

Ta=75°C

2SA1855

VCE= --2V

ITR04923

25°

Ta=75°

--25°C

25°C

--25°C

2SA1855

VCE= --2V

--0.8

00 --0.2 --0.4 --0.6 --0.8

IC -- VBE

ITR04921

--1.4--1.2--1.0

--4.8

--2.4

--3.2

--4.0

--1.6

Ta=75°

--25°C

2SC4837

VCE=2V

0.8

00 0.2 0.4 0.6 0.8

IC -- VBE

ITR04922

1.41.21.0

4.8

2.4

3.2

4.0

1.6

23 5772355723

100

1000

10 0.10.01 1.0

hFE -- IC

Ta=75

2SC4837

VCE=2V

ITR04924

°C

--25

23 5772355723

100

1000

10 2357

0.01 0.1 2 3 57 2 3 57

101.0 ITR04925

fT -- ICVCE=10V

2SC4837

2SA1855

(For PNP, minus sign is omitted.) (For PNP, minus sign is omitted.)

100

23 57

1.0 10 23 57

100

ITR04926

Cob -- VCB f=1MHz

Ta= --

5°C

75°

25°

--10

--100

--1000

7235723 57 23 5

--0.1--0.01 --1.0 ITR04927

VCE(sat) -- IC2SA1855

IC / IB=20

Ta=75

°C

--25°C

2SC4837

IC / IB=20

100

1000

7235723 57 23 5

0.10.01 1.0 ITR04928

VCE(sat) -- IC

Base-to-Emitter Voltage, VBE – V Base-to-Emitter Voltage, VBE –V

Collector Current, IC– A

DC Current Gain, hFE

Collector Current, IC– A Collector Current, IC– A

Gain-Bandwidth Product, fT–MHz

Collector Current, IC– A

Output Capacitance, Cob – pF

Collector-to-Base Voltage, VCB –V

Collector Current, IC– A

Collector-to-Emitter

Saturation Voltage, VCE(sat) – mV

Collector Current, IC– A

Collector-to-Emitter

Saturation Voltage, VCE(sat) – mV

Specifications of any and all SANYO products described or contained herein stipulate the performance,

characteristics, and functions of the described products in the independent state, and are not guarantees

of the performance, characteristics, and functions of the described products as mounted in the customer's

products or equipment. To verify symptoms and states that cannot be evaluated in an independent device,

the customer should always evaluate and test devices mounted in the customer's products or equipment.

SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all

semiconductor products fail with some probability. It is possible that these probabilistic failures could

give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire,

or that could cause damage to other property. When designing equipment, adopt safety measures so

that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective

circuits and error prevention circuits for safe design, redundant design, and structural design.

In the event that any or all SANYO products(including technical data,services) described or

contained herein are controlled under any of applicable local export control laws and regulations,

such products must not be exported without obtaining the export license from the authorities

concerned in accordance with the above law.

No part of this publication may be reproduced or transmitted in any form or by any means, electronic or

mechanical, including photocopying and recording, or any information storage or retrieval system,

or otherwise, without the prior written permission of SANYO Electric Co. , Ltd.

Any and all information described or contained herein are subject to change without notice due to

product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification"

for the SANYO product that you intend to use.

Information (including circuit diagrams and circuit parameters) herein is for example only ; it is not

guaranteed for volume production. SANYO believes information herein is accurate and reliable, but

no guarantees are made or implied regarding its use or any infringements of intellectual property rights

or other rights of third parties.

This catalog provides information as of September, 2003. Specifications and information herein are

subject to change without notice.

2SA1855/2SC4837

PS No.4135–4/4

A S O

1.0

0.1

57 221001.0 10

35732573

ITR04931

PC -- Ta

1.4

1.5

1.2

1.0

1.6

0.8

0.6

0.4

0.2

020 40 60 80 100 120 140 1600

ITR04932

2SA1855 / 2SC4837 2SA1855 / 2SC4837

DC operation

1ms

10ms

100ms

IC=4.0A

ICP=6.0A

Ta= --

5°C

5°

25°

--1.0

--10

7235723 57 23 5

--0.1--0.01 --1.0 ITR04929

VBE(sat) -- IC2SA1855

IC / IB=20

Ta= --

°C

75°

2SC4837

IC / IB=20

0.1

1.0

7235723 57 23 5

0.10.01 1.0 ITR04930

VBE(sat) -- IC

Collector Current, IC– A

Base-to-Emitter

Saturation Voltage, VBE(sat) –V

Collector Current, IC– A

Base-to-Emitter

Saturation Voltage, VBE(sat) –V

Collector-to-Emitter Voltage, VCE –V

Collector Current, IC– A

Ta=25°C

Single pulse

For PNP, minus sign is omitted.

Collector Dissipation, P

– W

Ambient Temperature, Ta – ˚C