DISCRETE SEMICONDUCTORS
DATA SHEET
BT258X series
Thyristors
logic level
Product specification
October 2002
NXP Semiconductors
Product specification
Thyristors
logic level
GENERAL DESCRIPTION
Passivated, sensitive gate thyristors
in a full pack, plastic envelope,
intended for use in general purpose
switching
and
phase
control
applications. These devices are
intended to be interfaced directly to
microcontrollers, logic integrated
circuits and other low power gate
trigger circuits.
PINNING - SOT186A
PIN
BT258X series
QUICK REFERENCE DATA
SYMBOL
VDRM,
VRRM
IT(AV)
IT(RMS)
ITSM
PARAMETER
MAX. MAX. MAX. UNIT
BT258XRepetitive peak off-state
voltages
Average on-state current
RMS on-state current
Non-repetitive peak on-state
current
500R
500
600R
600
800R
800
V
5
8
75
5
8
75
5
8
75
A
A
A
PIN CONFIGURATION
SYMBOL
DESCRIPTION
case
1
cathode
2
anode
3
gate
a
k
g
1 2 3
case isolated
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum System (IEC 134).
SYMBOL
PARAMETER
CONDITIONS
VDRM, VRRM Repetitive peak off-state
voltages
IT(AV)
IT(RMS)
ITSM
I2t
dIT/dt
IGM
VRGM
PGM
PG(AV)
Tstg
Tj
Average on-state current
RMS on-state current
Non-repetitive peak
on-state current
half sine wave; Ths ≤ 90 ˚C
all conduction angles
half sine wave; Tj = 25 ˚C prior to
surge
t = 10 ms
t = 8.3 ms
t = 10 ms
ITM = 10 A; IG = 50 mA;
dIG/dt = 50 mA/µs
I2t for fusing
Repetitive rate of rise of
on-state current after
triggering
Peak gate current
Peak reverse gate voltage
Peak gate power
Average gate power
over any 20 ms period
Storage temperature
Operating junction
temperature
MIN.
MAX.
UNIT
-
-500R -600R -800R
5001
6001
800
V
-
5
8
A
A
-
75
82
28
50
A
A
A2s
A/µs
-40
-
2
5
5
0.5
150
1252
A
V
W
W
˚C
˚C
1 Although not recommended, off-state voltages up to 800V may be applied without damage, but the thyristor may
switch to the on-state. The rate of rise of current should not exceed 15 A/µs.
2 Note: Operation above 110˚C may require the use of a gate to cathode resistor of 1kΩ or less.
October 2002
1
Rev 2.000
NXP Semiconductors
Product specification
Thyristors
logic level
BT258X series
ISOLATION LIMITING VALUE & CHARACTERISTIC
Ths = 25 ˚C unless otherwise specified
SYMBOL
PARAMETER
CONDITIONS
Visol
R.M.S. isolation voltage from all
three terminals to external
heatsink
f = 50-60 Hz; sinusoidal
waveform;
R.H. ≤ 65% ; clean and dustfree
Cisol
Capacitance from T2 to external f = 1 MHz
heatsink
MIN.
TYP.
MAX.
UNIT
-
-
2500
V
-
10
-
pF
MIN.
TYP.
MAX.
UNIT
-
55
5.0
6.9
-
K/W
K/W
K/W
MIN.
TYP.
MAX.
UNIT
0.1
-
50
0.4
0.3
1.3
0.4
0.2
0.1
200
10
6
1.6
1.5
0.5
µA
mA
mA
V
V
V
mA
MIN.
TYP.
MAX.
UNIT
50
100
-
V/µs
-
2
-
µs
-
100
-
µs
THERMAL RESISTANCES
SYMBOL
PARAMETER
CONDITIONS
Rth j-hs
Thermal resistance
junction to heatsink
Thermal resistance
junction to ambient
with heatsink compound
without heatsink compound
in free air
Rth j-a
STATIC CHARACTERISTICS
Tj = 25 ˚C unless otherwise stated
SYMBOL
PARAMETER
CONDITIONS
IGT
IL
IH
VT
VGT
Gate trigger current
Latching current
Holding current
On-state voltage
Gate trigger voltage
ID, IR
Off-state leakage current
VD = 12 V; IT = 0.1 A
VD = 12 V; IGT = 0.1 A
VD = 12 V; IGT = 0.1 A
IT = 16 A
VD = 12 V; IT = 0.1 A
VD = VDRM(max); IT = 0.1 A; Tj = 110 ˚C
VD = VDRM(max); VR = VRRM(max); Tj = 125 ˚C
DYNAMIC CHARACTERISTICS
Tj = 25 ˚C unless otherwise stated
SYMBOL
PARAMETER
CONDITIONS
dVD/dt
Critical rate of rise of
off-state voltage
Gate controlled turn-on
time
Circuit commutated
turn-off time
VDM = 67% VDRM(max); Tj = 125 ˚C;
exponential waveform; RGK = 100 Ω
ITM = 10 A; VD = VDRM(max); IG = 5 mA;
dIG/dt = 0.2 A/µs
VD = 67% VDRM(max); Tj = 125 ˚C;
ITM = 12 A; VR = 24 V; dITM/dt = 10 A/µs;
dVD/dt = 2 V/µs; RGK = 1 kΩ
tgt
tq
October 2002
2
Rev 2.000
NXP Semiconductors
Product specification
Thyristors
logic level
BT258X series
Ptot (W)
Ths(max) (˚C)
85
a = 1.57
90
8
conduction
angle
degrees
30
60
90
120
180
6
form
factor
(a)
1.9
4
2.8
2.2
1.9
1.57
2.2
2.8
4
4
2
0
0
4
2
IT(AV) (A)
I TSM
70
IT
95
60
100
50
time
T
Tj initial = 25 C max
105
40
110
30
115
20
120
10
125
0
6
Fig.1. Maximum on-state dissipation, Ptot, versus
average on-state current, IT(AV), where
a = form factor = IT(RMS)/ IT(AV).
1000
ITSM / A
80
1
10
100
Number of half cycles at 50Hz
1000
Fig.4. Maximum permissible non-repetitive peak
on-state current ITSM, versus number of cycles, for
sinusoidal currents, f = 50 Hz.
ITSM / A
24
IT(RMS) / A
20
16
dI T/dt limit
100
12
I TSM
IT
8
time
T
4
Tj initial = 25 C max
10
10us
100us
0
0.01
10ms
1ms
0.1
1
surge duration / s
T/s
Fig.2. Maximum permissible non-repetitive peak
on-state current ITSM, versus pulse width tp, for
sinusoidal currents, tp ≤ 10ms.
9
Fig.5. Maximum permissible repetitive rms on-state
current IT(RMS), versus surge duration, for sinusoidal
currents, f = 50 Hz; Ths ≤ 90˚C.
IT(RMS) / A
1.6
90 C
8
10
VGT(Tj)
VGT(25 C)
1.4
7
6
1.2
5
4
1
3
0.8
2
0.6
1
0
-50
0
50
Ths / C
100
0.4
-50
150
Fig.3. Maximum permissible rms current IT(RMS) ,
versus mounting base temperature Ths.
October 2002
0
50
Tj / C
100
150
Fig.6. Normalised gate trigger voltage
VGT(Tj)/ VGT(25˚C), versus junction temperature Tj.
3
Rev 2.000
NXP Semiconductors
Product specification
Thyristors
logic level
3
BT258X series
IGT(Tj)
IGT(25 C)
I /A
30 T
Tj = 125 °C
Tj = 25 °C
2.5
20
2
1.5
typ
10
1
max
Vo = 1 V
Rs = 0.04 Ω
0.5
0
-50
0
0
50
Tj / C
100
150
3
0.5
1
VT / V
1.5
2
Fig.10. Typical and maximum on-state characteristic.
Fig.7. Normalised gate trigger current
IGT(Tj)/ IGT(25˚C), versus junction temperature Tj.
IL(Tj)
IL(25 C)
0
10
BT150
Zth j-hs (K/W)
without heatsink compound
2.5
with heatsink compound
1
2
1.5
0.1
1
P
D
t
p
t
0.5
0
-50
0
50
Tj / C
100
0.01
10us
150
1ms
10ms
0.1s
1s
10s
tp / s
Fig.8. Normalised latching current IL(Tj)/ IL(25˚C),
versus junction temperature Tj.
3
0.1ms
Fig.11. Transient thermal impedance Zth j-hs, versus
pulse width tp.
IH(Tj)
IH(25 C)
1000
dVD/dt (V/us)
RGK = 100 ohms
2.5
100
2
1.5
10
1
0.5
0
-50
0
50
Tj / C
100
1
150
50
100
150
Tj / C
Fig.9. Normalised holding current IH(Tj)/ IH(25˚C),
versus junction temperature Tj.
October 2002
0
Fig.12. Typical, critical rate of rise of off-state voltage,
dVD/dt versus junction temperature Tj.
4
Rev 2.000
NXP Semiconductors
Product specification
Thyristors
logic level
BT258X series
MECHANICAL DATA
Dimensions in mm
Net Mass: 2 g
10.3
max
4.6
max
3.2
3.0
2.9 max
2.8
Recesses (2x)
2.5
0.8 max. depth
6.4
15.8
max.
19
max.
15.8
max
seating
plane
3 max.
not tinned
3
2.5
13.5
min.
1
0.4
2
3
M
1.0 (2x)
0.6
2.54
0.9
0.7
0.5
2.5
5.08
1.3
Fig.13. SOT186A; The seating plane is electrically isolated from all terminals.
Notes
1. Refer to mounting instructions for F-pack envelopes.
2. Epoxy meets UL94 V0 at 1/8".
October 2002
5
Rev 2.000
NXP Semiconductors
Legal information
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DOCUMENT
STATUS(1)
PRODUCT
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Development
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This document contains the product specification.
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URL http://www.nxp.com.
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