Microchip-Tech-2N4237

TECHNICAL DATA  

NPN M

E

DIUM

P

O

W

E

R

S

I

LICON TRAN

S

I

S

T

OR  

Qualified per MI

L

–

P

RF

–

1

9500/ 581  

D

e

v

i

c

es  

Qualified

L

e

v

e

l  

2N4237  

2N4238  

2N4239  

JANTX  

JANTXV  

MAXIMUM RATINGS (T

A

= 25

0

C Unless Otherwise noted)  

Ratings  

Collector-Emitter Voltage  

Collector-Base Voltage  

Emitter-Base Voltage  

Collector Current  

Symbol 2N4237

 

2N4238 2N4239

 

Units  

40  

60  

80  

Vdc  

Vdc  

Vdc  

Adc  

Adc  

V

CEO  

V

CBO  

V

EBO  

I

C  

50  

80  

100  

6.0  

1.0  

0.5  

Base Current  

Total Power Dissipation

 

@ T

A

= +25

0

C

(1)  

@ T

C

= +25

0

C

(2)  

I

B  

1.0  

6.0  

W

W

P

T  

TO-39*  

Operating & Storage Temperature Range  

-65 to +200  

°

C  

T

op

,

T  

stg  

THERMAL CHARACTERISTICS  

Characteristics  

Symbol  

Max.  

Unit  

Thermal Resistance, Junction-to-Case  

29  

R

q

JC  

1) Derate linearly 5.7 mW/

0

C for T

A

> +25

0

C  

2) Derate linearly 34 mW/

0

C for T

C

> +25

0

C  

*See appendix A for  

package outline  

ELECTRICAL CHARACTERISTICS (T

A

= 25

0

C unless otherwise noted)  

Characteristics  

OFF CHARACTERISTICS  

Collector-Emitter Breakdown Voltage  

Symbol  

Min.  

Max.  

Unit  

I

C

= 100 mAdc  

2N4237  

2N4238  

2N4239  

50  

80  

100  

Vdc  

V

(

BR

)

CEO  

Emitter-Base Cutoff Current  

V

EB

= 6.0 Vdc  

0.5  

mAdc  

I

EBO  

Collector-Emitter Cutoff Current  

V

CE

= 90 Vdc, V

BE

= 1.5 Vdc  

V

CE

= 50 Vdc  

V

CE

= 80 Vdc  

V

CE

= 10 Vdc  

2N4237  

2N4238  

2N4239  

nAdc  

I

CEX  

100  

100  

100  

Collector-Base Cutoff Current  

V

CE

= 50 Vdc  

V

CE

= 80 Vdc  

2N4237  

2N4238  

2N4239  

100  

100  

100  

nAdc  

I

CBO  

V

CE

= 10 Vdc  

6 Lake Street, Lawrence, MA

 

01841  

1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803  

120101  

Page 1 of 2  

2N4237, 4238, 4239 JAN, JANTX, JANTXV  

ELECTRICAL CHARACTERISTICS (con’t)  

Characteristics  

ON CHARACTERISTICS

(3)  

Forward Current Transfer Ratio  

I

C

= 250 mAdc, V

CE

= 1.0 Vdc  

I

C

= 500 mAdc, V

CE

= 1.0 Vdc  

Collector-Emitter Saturation Voltage  

I

C

= 500 Adc, I

B

= 50 Adc  

I

C

= 1.0 Adc, I

B

= 0.1 Adc  

Base-Emitter Saturation Voltage  

I

C

= 500 Adc, I

B

= 50 Adc  

Symbol  

Min.  

Max.  

Unit  

30  

30  

150  

h

FE  

0.3  

0.6  

V

CE(sat)  

Vdc  

Vdc  

1.0  

1.5  

V

BE(sat)  

I

C

= 1.0 Adc, I

B

= 0.1 Adc  

DYNAMIC CHARACTERISTICS  

Magnitude of Common Emitter Small-Signal  

Short Circuit Forward-Current Transfer Ratio  

I

C

= 100 mAdc, V

CE

= 10 Vdc,

 

f = 10 MHz  

Output Capacitance  

3.0  

½

h

fe

½  

100  

pF  

C

obo  

V

CB

= 10 Vdc, I

E

= 0, f = 100 kHz  

SAFE OPERATING AREA  

DC Tests  

T

C

= +25

0

C, 1 Cycle, t

³

0.5 s  

Test 1  

V

CE

= 6.0 Vdc, I

C

= 1.0 Adc  

Test 2  

V

CE

= 12 Vdc, I

C

= 500 mAdc  

Test 3  

V

CE

= 30 Vdc, I

C

= 166 mAdc

 

2N4237  

V

CE

= 50 Vdc, I

C

= 100 mAdc

 

2N4238  

V

CE

= 70 Vdc, I

C

= 71 mAdc

 

2N4239  

6 Lake Street, Lawrence, MA

 

01841  

1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803  

120101  

Page 2 of 2