Central

Semiconductor Corp.

TM

TO-78 CASE - MECHANICAL OUTLINE

MD3250 MD3250A

MD3251 MD3251A

DUAL PNP

SILICON TRANSISTOR

R0 (9-June 2009)

MARKING: FULL PART NUMBER

ELECTRICAL CHARACTERISTICS - Continued: (TA=25°C unless otherwise noted)

SYMBOL

TEST CONDITIONS

MIN

MAX

UNITS

hFE

VCE=5.0V, IC=50mA (MD3250,A)

15

hFE

VCE=5.0V, IC=50mA (MD3251,A)

30

fT

VCE=20V, IC=10mA, f=100MHz (MD3250,A)

200

MHz

fT

VCE=20V, IC=10mA, f=100MHz (MD3251,A)

250

MHz

Cob

VCB=5.0V, IE=0, f=100kHz

6.0

pF

Cib

VBE=1.0V, IC=0, f=100kHz

8.0

pF

MATCHING CHARACTERISTICS:

SYMBOL

TEST CONDITIONS

MIN

MAX

UNITS

hFE1/hFE2 (Note 1)

VCE=5.0V, IC=100μA

0.90

1.0

hFE1/hFE2 (Note 1)

VCE=5.0V, IC=1.0mA

0.90

1.0

VCE=5.0V, IC=10μA

5.0

mV

VCE=5.0V, IC=100μA

3.0

mV

VCE=5.0V, IC=10mA

5.0

mV

1) The lowest hFE reading is taken as hFE1.