MD2310FX

High voltage NPN power transistor for

standard definition CRT display

Features
■ State-of-the-art technology:
– diffused collector “enhanced generation”
■ Stable performance versus operating
temperature variation
■ Low base drive requirement
3
■ Tight hFE range at operating collector current 2
1
■ Fully insulated power package U.L. compliant
TO-3PF
Application
■ Horizontal deflection output for monitor and
real flat TV Figure 1. Internal schematic diagram

Description
The MD2310FX is manufactured using planar
technology with diffused collector adopting new
and enhanced high voltage structure. The MD
product series show improved silicon efficiency
bringing updated performance to the horizontal
deflection stage.

Table 1. Device summary

Order code Marking Package Packing

MD2310FX MD2310FX TO-3PF Tube

October 2009 Doc ID 11801 Rev 5 1/10

www.st.com 10
Electrical ratings MD2310FX

1 Electrical ratings

Table 2. Absolute maximum ratings

Symbol Parameter Value Unit

VCES Collector-emitter voltage (VBE = 0) 1500 V

VCEO Collector-emitter voltage (IB = 0) 700 V
VEBO Emitter-base voltage (IC = 0) 9 V
IC Collector current 14 A
ICM Collector peak current (tP < 5 ms) 21 A
IB Base current 7 A
PTOT Total dissipation at Tc = 25 °C 62 W
Insulation withstand voltage (RMS) from all three leads to external
VINS 2500 V
heatsink
TSTG Storage temperature -65 to 150
°C
TJ Max. operating junction temperature 150

Table 3. Thermal data

Symbol Parameter Value Unit

RthJC Thermal resistance junction-case ____________________Max 2 °C/W

2/10 Doc ID 11801 Rev 5

MD2310FX Electrical characteristics

2 Electrical characteristics

TCASE = 25 °C; unless otherwise specified.

Table 4. Electrical characteristics

Symbol Parameter Test conditions Min. Typ. Max. Unit

Collector cut-off current VCE = 1500 V 0.2 mA

ICES
(VBE = 0) VCE = 1500 V Tc= 125 °C 2 mA
Emitter cut-off current
IEBO VEB = 9 V 1 mA
(IC = 0)
Collector-emitter sustaining
VCEO(sus) IC = 100 mA 700 V
voltage (IB = 0)
Collector-emitter saturation
VCE(sat)(1) IC = 7 A IB = 1.75 A 2.5 V
voltage
VBE(sat)(1) Base-emitter saturation voltage IC = 7 A IB = 1.75 A 1.1 V
IC = 1 A VCE = 5 V 28
hFE(1) DC current gain IC = 7 A VCE = 1 V 5.5
IC = 7 A VCE = 5 V 6 8.5
INDUCTIVE LOAD IC = 6 A ___ _ _ fh = 64 kHz
ts Storage time IB(on) = 0.9 A__ VBE(off) = - 2.7 V 2.3 2.8 µs
tf Fall time LBB(off) = 1.6 µH 0.12 0.25 µs
1. Pulse test: pulse duration ≤ 300 µs, duty cycle ≤ 2 %.

Doc ID 11801 Rev 5 3/10

Electrical characteristics MD2310FX

2.1 Typical characteristics

Figure 2. Safe operating area Figure 3. Derating curve

Figure 4. Output characteristics Figure 5. Reverse biased SOA

Figure 6. DC current gain (VCE = 1 V) Figure 7. DC current gain (VCE = 5 V)

4/10 Doc ID 11801 Rev 5

MD2310FX Electrical characteristics

Figure 8. Collector-emitter saturation Figure 9. Base-emitter saturation

voltage voltage

Figure 10. Power losses Figure 11. Inductive load switching time

Doc ID 11801 Rev 5 5/10

Test circuits MD2310FX

3 Test circuits

Figure 12. Power losses and inductive load switching test circuit

Figure 13. Reverse biased safe operating area test circuit

6/10 Doc ID 11801 Rev 5

MD2310FX Package mechanical data

4 Package mechanical data

In order to meet environmental requirements, ST offers these devices in different grades of

ECOPACK® packages, depending on their level of environmental compliance. ECOPACK®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK® is an ST trademark.

Doc ID 11801 Rev 5 7/10

Package mechanical data MD2310FX

TO-3PF mechanical data

mm.
DIM.
min. typ max.
A 5.30 5.70
C 2.80 3.20
D 3.10 3.50
D1 1.80 2.20
E 0.80 1.10
F 0.65 0.95
F2 1.80 2.20
G 10.30 11.50
G1 5.45
H 15.30 15.70
L 9.80 10 10.20
L2 22.80 23.20
L3 26.30 26.70
L4 43.20 44.40
L5 4.30 4.70
L6 24.30 24.70
L7 14.60 15
N 1.80 2.20
R 3.80 4.20
Dia 3.40 3.80

7627132_C

8/10 Doc ID 11801 Rev 5

MD2310FX Revision history

5 Revision history

Table 5. Document revision history

Date Revision Changes

18-Oct-2005 1 First release

25-Nov-2005 2 Complete datasheet
15-Dec-2005 3 Legal page inserted
29-Sep-2006 4 New hFE limit
27-Oct-2009 5 Updated TO-3PF package mechanical data

Doc ID 11801 Rev 5 9/10

 MD2310FX

Please Read Carefully:

Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the
right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any
time, without notice.
All ST products are sold pursuant to ST’s terms and conditions of sale.
Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no
liability whatsoever relating to the choice, selection or use of the ST products and services described herein.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this
document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products
or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such
third party products or services or any intellectual property contained therein.

UNLESS OTHERWISE SET FORTH IN ST’S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED
WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS
OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT.
UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE, ST PRODUCTS ARE NOT
RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, AIR CRAFT, SPACE, LIFE SAVING, OR LIFE SUSTAINING
APPLICATIONS, NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY,
DEATH, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. ST PRODUCTS WHICH ARE NOT SPECIFIED AS "AUTOMOTIVE
GRADE" MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER’S OWN RISK.

Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void
any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any
liability of ST.

ST and the ST logo are trademarks or registered trademarks of ST in various countries.

Information in this document supersedes and replaces all information previously supplied.

The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners.

© 2009 STMicroelectronics - All rights reserved

STMicroelectronics group of companies

Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan -
Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America
www.st.com

10/10 Doc ID 11801 Rev 5