U17 Datasheet PDF - Hitachi

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U17
Hitachi

Part Number U17
Description Controlled Avalanche Diode
Page 4 Pages


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wwwC.DONaTtaRSOLhLeEeDt4AUVA.cLoANmCHE DIODE
U17
FEATURES
Transient surge voltage protection.
Diffused-junction. Glass passivated and
encapsulated.
OUTLINE DRAWING
Direction of polarity
Unit in mm(inch)
φ 1.2
(0.05)
Type
U17B(100V)
U17C(200V)
U17D(300V)
U17E(400V)
Color of
cathode band
Yellow
Black
Purple
Blue
Weight: 1.0 (g)
ABSOLUTE MAXIMUM RATINGS
Items
Type
U17B
U17C
U17D
U17E
Repetitive Peak Reverse Voltage
Peak Reverse Power
VRRM
PRM
V
kW
100 200 300 400
3( Tj = 25°C,Impulse duration 10µs Non-repetitive )
Average Forward Current
IF(AV)
A
( )Single-phase half sine wave 180° conduction
2.5 TL=90°C, Lead length = 10mm
Surge(Non-Repetitive) Forward Current
I2t Limit Value
IFSM
I2t
A
A2s
100( Without PIV, 10ms conduction, Tj = 175°C start )
40( Time = 2 ~ 10ms, I = RMS value )
Operating Junction Temperature
Storage Temperature
Tj °C
Tstg °C
-40 ~ +175
-40 ~ +175
Notes (1) Lead mounting : Lead temperature 300°C max. to 3.2mm from body for 5sec. max..
(2) Mechanical strength : Bending 90°×2 cycles or 180°×1 cycle, Tensile 3kg, Twist 90°×1 cycle.
CHARACTERISTICS(TL=25°C)
Items
Symbols Units
Peak Reverse Current
IRRM
µA
Peak Forward Voltage
Reverse Recovery Time
Avalanche Voltage
Avalanche Voltage Temperature
Coefficient
Steady State Thermal Impedance
VFM
trr
VAVL
α
Rth(j-a)
Rth(j-l)
V
µs
V
%/°C
°C/W
Min.
-
Typ.
4
1.5
0.6
Max.
50
20
10
Test Conditions
B class
C,D class
E class
Rated VRRM
-
-
1.1
IFM=2.5Ap, Single-phase half sine
wave 1 cycle
- 3.0 -
Table.1
IF=2mA, VR=-15V
IRM=1.0mA, Single-phase half sine
wave 1 pps, Time 5s
-
0.080
-
VAVL
VAVL
×
1
175-25
×100
60
--
Lead length = 10 mm
30
PDE-U17-0



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TABLE.1
U17
VRRM Class
VAVL Symbols
B C DE
Units
27 30 33 36 33 36 39 44 44 50 55 63 55 63 70
TYP. VAVL
270 300 330 360 330 360 390 440 440 500 550 630 550 630 700 V
A MIN 230 255 280 305 280 305 330 375 375 425 465 535 465 535 595
VAVL ±15% MAX 310 345 380 415 380 415 450 505 505 575 635 725 635 725 805
Band B MIN 250 280 305 330 305 330 360 405 405 460 505 580 505 580 645
V
±7.5% MAX 290 320 355 390 355 390 420 475 475 535 590 680 590 680 750
As required, the avalanche voltage can be selected as follows :
“example” U17C36A
VRRM
IF(AV)
VAVL
200V
2.5A
305~415V
Forward characteristics
100
Single-phase half sine wave
Conduction : 10ms 1 Cycle
10
TL=175˚C
TL=25˚C
1
0.1 1 2 3
PEAK FORWARD VOLTAGE DROP (V)
Max. allowable ambient temperature
(Resistive or inductive load)
180
Single-phase half sine wave
180˚ conduction (50Hz)
160
140 L L
120
PC board (100x180x1.6t)
Copper foil ( 5.5)
100
80
60
Lead length
40 L=10mm
20mm
25mm
20
0 0 0.5 1.0 1.5 2.0 2.5 3.0
AVERAGE FORWARD CURRENT (A)
Max. average forward power dissipation
(Resistive or inductive load)
4.5
4.0
DC
3.5
Single-phase
3.0 ( 50Hz )
2.5
2.0
1.5
1.0
0.5
0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
AVERAGE FORWARD CURRENT (A)
Max. allowable lead temperature
(Resistive or inductive load)
180
160
Single-phase half sine wave
180˚ conduction (50Hz)
140
Lead length
L=10mm
120 20mm
25mm
100
80
60 L L
40
Lead temp PC board
20 (100x180x1.6t)
Copper foil ( 5.5)
0 0 0.5 1.0 1.5 2.0 2.5
AVERAGE FORWARD CURRENT (A)
3.0
PDE-U17-0



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Surge forward current characteristic
(Non-repetitive)
120
Surge current
peak value
100 10ms
1 cycle
80
Without PIV
60
With PIV
40
20
01 10 100
CYCLES
Typ. Reverse current vs. junction temperature
500
Note : at VRRM
100
Class : B
10
Class : C,D
Class : E
1
0.10
50 100 150
JUNCTION TEMPERATURE (˚C)
200
Steady-state thermal impedance
120
100
80
Ambient temp. measured point
Lead
length
2
Lead temp.
measured poin
(φ0.5 thermocouple)
Copper foil ( 5.5)
Lead PC board
length (100×180×1.6t)
Rth(j - a)
60
Rth(j - l)
40
20
00 5 10 15 20 25 30
LEAD LENGTH (mm)
Transient thermal impedance
100
Lead length = 10 mm
10
Rth(j - a)
Rth(j - l)
1
00.1.001
0.01
Note : PC. board mounted
PC. board( 100 × 180 × 1.6t)
Copper foil ( 5.5 )
0.1 1
TIME (s)
10 100
Typical reverse power characteristic
(Non-repetitive)
2000
1000
Tj=25˚C
Reverse recovery time ( trr ) test circuit
- 15V
22µs
50µF
D.U.T
2mA
15V
0
600
Irp
trr
t
0.1Irp
100
100.01
0.1
1
RECTANGULAR PULSE DURATION (ms)
10
PDE-U17-0



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HITACHI POWER SEMICONDUCTORS
Notices
1.The information given herein, including the specifications and dimensions, is subject to
change without prior notice to improve product characteristics. Before ordering,
purchasers are adviced to contact Hitachi sales department for the latest version of this
data sheets.
2.Please be sure to read "Precautions for Safe Use and Notices" in the individual brochure
before use.
3.In cases where extremely high reliability is required(such as use in nuclear power control,
aerospace and aviation, traffic equipment, life-support-related medical equipment, fuel
control equipment and various kinds of safety equipment), safety should be ensured by
using semiconductor devices that feature assured safety or by means of users’ fail-safe
precautions or other arrangement. Or consult Hitachi’s sales department staff.
4.In no event shall Hitachi be liable for any damages that may result from an accident or
any other cause during operation of the user’s units according to this data sheets. Hitachi
assumes no responsibility for any intellectual property claims or any other problems that
may result from applications of information, products or circuits described in this data
sheets.
5.In no event shall Hitachi be liable for any failure in a semiconductor device or any
secondary damage resulting from use at a value exceeding the absolute maximum rating.
6.No license is granted by this data sheets under any patents or other rights of any third
party or Hitachi, Ltd.
7.This data sheets may not be reproduced or duplicated, in any form, in whole or in part ,
without the expressed written permission of Hitachi, Ltd.
8.The products (technologies) described in this data sheets are not to be provided to any
party whose purpose in their application will hinder maintenance of international peace
and safety not are they to be applied to that purpose by their direct purchasers or any
third party. When exporting these products (technologies), the necessary procedures are
to be taken in accordance with related laws and regulations.
„ For inquiries relating to the products, please contact nearest overseas representatives which is located
“Inquiry” portion on the top page of a home page.
Hitachi power semiconductor home page address http://www.hitachi.co.jp/pse



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