
HI-SINCERITY
MICROELECTRONICS CORP.
Spec. No. : Preliminary Data 
Issued Date : 2000.12.21 
Revised Date : 2001.03.23 
Page No. : 1/3
HTL294I
PNP EPITAXIAL PLANAR TRANSIST OR
Description
The HTL294I is designed for application that requires high voltage.
Features
 High Breakdown Voltage: 400(Min.) at IC=1mA
•
 High Current: IC=300mA at 25°C
•
Absolute Maximum Ratings
 Maximum Temperatures
•
Storage Temperature............................................................................................ -55 ~ +150 °C
Junction Temperature................................................................................... +150 °C Maximum
 Maximum Power Dissipation
•
Total Power Dissipation (Ta=25°C)...................................................................................... 1 W
 Maximum Voltages and Currents (Ta=25°C)
•
VCBO Collector to Base Voltag e..................................................................................... -400 V
VCEO Collector to Emitter Voltage .................................................................................. -400 V
VEBO Emitter to Base Voltage ............................................................................................ -6 V
IC Collector Current ..................................................................................................... -250 mA
Characteristics
Symbol Min. Typ. Max. Unit Test Conditions
BVCBO -400 - - V IC=-100uA, IE=0 
BVCEO -400 - - V IC=-1mA, IB=0 
BVEBO -6 - - V IE=-10uA, IC=0
ICBO - - -1 uA VCB=-400V, IE=0 
ICES - - -10 uA VCE=-400V, IC=0
IEBO - - -0.2 uA VEB=-6V, VBE=0 
*VCE(sat)1 - - -300 mV IC=-10mA, IB=-1mA 
*VCE(sat)2 - - -500 mV IC=-50mA, IB=-5mA
*VBE(sat) - - -750 mV IC=-10mA, IB=-1mA
*hFE1 50 - - VCE=-10V, IC=-1mA 
*hFE2 60 - 250 VCE=-10V, IC=-20mA 
*hFE3 50 - - VCE=-10V, IC=-80mA
ft 50 - - MHz VCE=-20V, IE=-10mA, f=1MHz
Cob - - 30 pF VCB=-20V, f=1MHz, IE=0
 (Ta=25°C)
*Pulse Test : Pulse Width ≤380us, Duty Cycle≤2%
HTL294I HSMC Product Specification

HI-SINCERITY
MICROELECTRONICS CORP.
Characteristics Curve
Spec. No. : Preliminary Data 
Issued Date : 2000.12.21 
Revised Date : 2001.03.23 
Page No. : 2/3
1000
Current Gain & Collector Current
100
hFE
10
0.1 1 10 100 1000
1000
Saturation Volt age & Coll ector Current
hFE @ VCE=10V
Collector Current-IC (mA)
BE(sat) 
V
@ IC=10I
B
10000
1000
CE(sat) 
V
100
Saturation Voltage (mV)
10
1 10 100 1000
Collector Current-IC (mA)
@ IC=20I
B
CE(sat) 
V
@ IC=10I
Capacitance & Reverse-Biased Volt age
100
Saturation Volt age & Coll ector Current
B
Saturation Voltage (mV)
100
1 10 100 1000
Collector Current-IC (mA)
Safe Operating Area
10
PT=1mS
 (A)
1
C
0.1
Collector Current-I
PT=100mS
PT=1S
10
Capac itanc e (pF)
1
0.1 1 10 100
1.2
1
0.8
0.6
0.4
PD(W) , Power Dissipation
0.2
Reverse Biased Volt a ge ( V)
Power Derating
Cob
0.01 
1 10 100 1000
Forwar d Biased Vol tage-VCE (V)
0
0 50 100 150 200
Ta(oC) , Ambient T em peratu r e
HTL294I HSMC Product Specification

HI-SINCERITY
MICROELECTRONICS CORP.
TO-251 Dimension
Spec. No. : Preliminary Data 
Issued Date : 2000.12.21 
Revised Date : 2001.03.23 
Page No. : 3/3
A
C
B
HSMC Logo
D
Part Number
Date Code
HTL 
294I
Product Series
Ink Mark
F G
Style : Pin 1.Base 2.Collector 3.Emitter
3
I
Marking :
E
K
2
H
1
J
3-Lead TO-251 Plastic Package
DIM
HSMC Packa
Inches Millimeters Inches Millimeters
Min. Max. Min. Max.
e Code : I
DIM
Min. Max. Min. Max. 
A 0.0177 0.0217 0.45 0.55 G 0.2559 - 6.50 B 0.0354 0.0591 0.90 1.50 H - *0.1811 - *4.60 
C 0.0177 0.0236 0.45 0.60 I - 0.0354 - 0.90 
D 0.0866 0.0945 2.20 2.40 J - 0.0315 - 0.80 
E 0.2520 0.2677 6.40 6.80 K 0.2047 0.2165 5.20 5.50
F 0.2677 0.2835 6.80 7.20
Notes : 
Material :
• Lead : 42 Alloy ; solder plating
• Mold Compound : Epoxy resin family, flammability solid burning class:UL94V-0
1.Dimension and tolerance based on our Spec. dated May. 24,1995.
2.Controlling dimension : millimeters.
3.Maximum lead thickness includes lead finish thickness, and minimum lead thickness is the minimum thickness of base material.
4.If there is any question with packing specification or packing method, pleas e contact your l ocal HSMC sal es office.
*:Typical
Important Notice:
• All rights are reserved. Reproduction in whole or in part is prohibited without the prior written approval of HSMC.
• HSMC reserves the right to make changes to its products without notice.
• 
HSMC semiconductor products are not warranted to be suitable for use in Life-Support Applications, or systems.
• HSMC assumes no liability for any consequence of customer product design, infringem ent of pat ents, or applic ati on assistance.
Head Office And Factory :
• 
Head Office
Tel : 886-2-25212056 Fax : 886-2-25632712, 25368454
• 
Factory 1 :
Tel : 886-3-5983621~5 Fax : 886-3-5982931
HTL294I HSMC Product Specification
 (Hi-Sincerity Microelectronics Corp.) : 10F.,No. 61, Sec. 2, Chung-Shan N. Rd. Taipei Taiwan R.O.C.
 No. 38, Kuang Fu S. Rd., Fu-Kou Hsin-Chu Industrial Park Hsin-Chu Taiwan. R.O.C