Delta DVHV285R2S/ES-XXX High reliability hybrid dc-dc converter Datasheet

DVHV2800S Series
HIGH RELIABILITY HYBRID
DC-DC CONVERTERS
DESCRIPTION
FEATURES
The DVHV series of high reliability DC-DC
converters is operable over the full military (-55 °C to
+125 °C) temperature range with no power derating.
Unique to the DVHV series is a magnetic feedback
circuit that is radiation immune. Operating at a
nominal fixed frequency of 475 kHz, these regulated,
isolated units utilize well controlled undervoltage
lockout circuitry to eliminate slow start-up problems.
The output voltage is trimmable up to +10% or down
–20%.
•
•
•
•
These converters are designed and manufactured in
a facility qualified to ISO9001 and certified to MILPRF-38534 and MIL-STD-883.
•
•
•
•
•
•
•
•
This product may incorporate one or more of the
following U.S. patents:
•
•
5,784,266
5,790,389
5,963,438
5,999,433
6,005,780
6,084,792
6,118,673
•
•
•
•
•
High Reliability
Very Low Output Noise
Output Voltage Trim Up +10% or Down –20%
Wide Input Voltage Range: 15 to 50 Volts per
MIL-STD-704
Up to 15 Watts Output Power
Radiation Immune Magnetic Feedback Circuit
NO Use of Optoisolators
Undervoltage Lockout
Indefinite Short Circuit Protection
Current Limit Protection
Industry Standard Pinout
High Input Transient Voltage: 80 Volts for 1 sec
per MIL-STD-704A
Radiation Hardened Version Available
Precision Seam Seal or Solder Seal Hermetic
Package
Custom Versions Available
Additional Environmental Screening Available
Meets MIL-STD-461C and MIL-STD-461D EMC
Requirements When Used With a DVMC28 EMI
Filter
Flanged and Non-flanged Versions Available.
MIL-PRF-38534 Element Evaluated
Components
Figure 1 – DVHV2800S / DVHV2800SF DC-DC Converter
(Not To Scale)
1X020DSF
11314 4th Avenue
West, Suite 206
Everett, WA 98204
http://www.vpt-inc.com
Sales Information:
Phone: (425) 353-3010
Fax: (425) 353-4030
E-mail: [email protected]
1
DVHV2800S Series
SPECIFICATIONS (TCASE = -55°C to +125°C, VIN = +28V ± 5%, Full Load, Unless Otherwise Specified)
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Continuous)
Input Voltage (Transient, 1 second)
Output Power1
Power Dissipation (Full Load, TCASE = +125°C)
Parameter
50 VDC
80 Volts
15 Watts
11 Watts
Conditions
Junction Temperature Rise to Case
Storage Temperature
Lead Solder Temperature (10 seconds)
Weight (Maximum) (Un-Flanged / Flanged)
DVHV283R3S
Min
Typ
+15°C
-65°C to +150°C
270°C
(49 / 52) Grams
DVHV2805S
Max
Min
Typ
Max
Units
STATIC
Continuous
INPUT
4
Voltage
Current
Ripple Current
Inhibit Pin Input
15
28
50
15
28
50
V
Transient, 1 sec
-
-
80
-
-
80
V
Inhibited
-
-
6
-
-
6
mA
No Load
-
-
90
-
-
90
mA
Full Load, 20Hz to 10MHz
-
-
50
-
-
50
mAp-p
4
Inhibit Pin Open Circuit Voltage
4
UVLO Turn On
4
UVLO Turn Off
OUTPUT
Voltage
1.5
0
-
1.5
V
13.0
9.0
11.0
13.0
V
12.0
-
14.8
12.0
-
14.8
V
V
11.0
-
14.5
11.0
-
14.5
TCASE = 25°C
3.26
3.30
3.34
4.95
5.00
5.05
V
VOUT
TCASE = -55°C to +125°C
3.25
3.30
3.35
4.925
5.00
5.075
V
0
-
10
0
-
15
W
3
Current
11.0
VOUT
Power
3
0
9.0
0
-
3.03
0
-
3.0
A
Ripple Voltage
VOUT
VOUT
Full Load, 20Hz to 10MHz
-
-
30
-
-
30
mVp-p
Line Regulation
VOUT
VIN = 15V to 50V
-
-
20
-
-
20
mV
Load Regulation
VOUT
No Load to Full Load
mV
EFFICIENCY
LOAD FAULT POWER DISSIPATION
Overload
4
Short Circuit
4
CAPACITIVE LOAD
SWITCHING FREQUENCY
-
-
50
-
-
50
68
-
-
73
-
-
%
-
-
11
-
-
11
W
-
-
11
-
-
11
W
-
-
1000
-
-
1000
µF
400
475
550
400
475
550
kHz
VH – VL = 5V
Duty Cycle = 20% - 80%
500
-
600
500
-
600
kHz
ISOLATION
500 VDC
100
-
-
100
-
-
MΩ
MTBF (MIL-HDBK-217F)
AIF @ TC = 55°C
-
413
-
-
413
-
kHrs
mVPK
SYNC FREQUENCY RANGE
DYNAMIC
Load Step Output Transient
VOUT
2
Load Step Recovery
Line Step Output Transient
4
VOUT
2, 4
Line Step Recovery
Turn On Delay
Turn On Overshoot
Notes:
VOUT
Half Load to Full Load
VIN = 16V to 40V
VIN = 0V to 28V
1. Dependant on output voltage.
3. Derate linearly to 0 at 135°C.
1X020DSF
-
-
200
-
-
300
-
-
550
-
-
500
µSec
-
300
600
-
300
600
mVPK
-
300
500
-
300
500
µSec
-
-
20
-
-
20
mSec
-
-
15
-
-
25
mVPK
2. Time for output voltage to settle within 1% of its nominal value.
4. Verified by qualification testing.
2
DVHV2800S Series
SPECIFICATIONS (TCASE = -55°C to +125°C, VIN = +28V ± 5%, Full Load, Unless Otherwise Specified)
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Continuous)
Input Voltage (Transient, 1 second)
Output Power1
Power Dissipation (Full Load, TCASE = +125°C)
Parameter
50 VDC
80 Volts
15 Watts
11 Watts
Conditions
Junction Temperature Rise to Case
Storage Temperature
Lead Solder Temperature (10 seconds)
Weight (Maximum) (Un-Flanged / Flanged)
DVHV2812S
Min
Typ
+15°C
-65°C to +150°C
270°C
(49 / 52) Grams
DVHV2815S
Max
Min
Typ
Max
Units
STATIC
Continuous
INPUT
4
Voltage
Current
Ripple Current
Inhibit Pin Input
15
28
50
15
28
50
V
Transient, 1 sec
-
-
80
-
-
80
V
Inhibited
-
-
6
-
-
6
mA
No Load
-
-
90
-
-
90
mA
Full Load, 20Hz to 10MHz
-
-
50
-
-
50
mAp-p
4
Inhibit Pin Open Circuit Voltage
4
UVLO Turn On
4
UVLO Turn Off
OUTPUT
Voltage
1.5
0
-
1.5
V
13.0
9.0
11.0
13.0
V
12.0
-
14.8
12.0
-
14.8
V
V
11.0
-
14.5
11.0
-
14.5
TCASE = 25°C
11.88
12.0
12.12
14.85
15.0
15.15
V
VOUT
TCASE = -55°C to +125°C
11.82
12.0
12.18
14.775
15.0
15.225
V
0
-
15
0
-
15
W
3
Current
11.0
VOUT
Power
3
0
9.0
0
-
1.25
0
-
1.0
A
Ripple Voltage
VOUT
VOUT
Full Load, 20Hz to 10MHz
-
-
40
-
-
40
mVp-p
Line Regulation
VOUT
VIN = 15V to 50V
-
-
20
-
-
20
mV
Load Regulation
VOUT
No Load to Full Load
mV
EFFICIENCY
LOAD FAULT POWER DISSIPATION
Overload
4
Short Circuit
4
CAPACITIVE LOAD
SWITCHING FREQUENCY
-
-
50
-
-
50
77
-
-
77
-
-
%
-
-
11
-
-
11
W
-
-
11
-
-
11
W
-
-
500
-
-
500
µF
400
475
550
400
475
550
kHz
VH – VL = 5V
Duty Cycle = 20% - 80%
500
-
600
500
-
600
KHz
ISOLATION
500 VDC
100
-
-
100
-
-
MΩ
MTBF (MIL-HDBK-217F)
AIF @ TC = 55°C
-
413
-
-
413
-
kHrs
mVPK
SYNC FREQUENCY RANGE
DYNAMIC
Load Step Output Transient
VOUT
2
Load Step Recovery
Line Step Output Transient
4
VOUT
2, 4
Line Step Recovery
Turn On Delay
Turn On Overshoot
Notes:
VOUT
Half Load to Full Load
VIN = 16V to 40V
VIN = 0V to 28V
1. Dependant on output voltage.
3. Derate linearly to 0 at 135°C.
1X020DSF
-
-
300
-
-
350
-
-
550
-
-
450
µSec
-
500
900
-
500
900
mVPK
-
300
500
-
300
500
µSec
-
-
20
-
-
20
mSec
-
-
50
-
-
50
mVPK
2. Time for output voltage to settle within 1% of its nominal value.
4. Verified by qualification testing.
3
DVHV2800S Series
SPECIFICATIONS (TCASE = -55°C to +125°C, VIN = +28V ± 5%, Full Load, Unless Otherwise Specified)
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Continuous)
Input Voltage (Transient, 1 second)
Output Power1
Power Dissipation (Full Load, TCASE = +125°C)
Parameter
50 VDC
80 Volts
15 Watts
11 Watts
Conditions
Junction Temperature Rise to Case
Storage Temperature
Lead Solder Temperature (10 seconds)
Weight (Maximum) (Un-Flanged / Flanged)
DVHV285R2S
Min
Typ
Max
+15°C
-65°C to +150°C
270°C
(49 / 52) Grams
Units
STATIC
Continuous
INPUT
4
Voltage
Current
Ripple Current
Inhibit Pin Input
15
28
50
V
Transient, 1 sec
-
-
80
V
Inhibited
-
-
6
mA
No Load
-
-
90
mA
Full Load, 20Hz to 10MHz
-
-
50
mAp-p
4
Inhibit Pin Open Circuit Voltage
4
UVLO Turn On
4
UVLO Turn Off
OUTPUT
Voltage
1.5
V
13.0
V
12.0
-
14.8
V
V
11.0
-
14.5
TCASE = 25°C
5.148
5.20
5.252
V
VOUT
TCASE = -55°C to +125°C
5.122
5.20
5.278
V
0
-
15
W
3
Current
11.0
VOUT
Power
3
0
9.0
0
-
3.0
A
Ripple Voltage
VOUT
VOUT
Full Load, 20Hz to 10MHz
-
-
30
mVp-p
Line Regulation
VOUT
VIN = 15V to 50V
-
-
20
mV
Load Regulation
VOUT
No Load to Full Load
mV
EFFICIENCY
LOAD FAULT POWER DISSIPATION
Overload
4
Short Circuit
4
CAPACITIVE LOAD
SWITCHING FREQUENCY
-
-
50
73
-
-
%
-
-
11
W
-
-
11
W
-
-
1000
µF
400
475
550
kHz
VH – VL = 5V
Duty Cycle = 20% - 80%
500
-
600
kHz
ISOLATION
500 VDC
100
-
-
MΩ
MTBF (MIL-HDBK-217F)
AIF @ TC = 55°C
-
413
-
kHrs
mVPK
SYNC FREQUENCY RANGE
DYNAMIC
Load Step Output Transient
VOUT
2
Load Step Recovery
Line Step Output Transient
4
VOUT
2, 4
Line Step Recovery
Turn On Delay
Turn On Overshoot
Notes:
VOUT
Half Load to Full Load
VIN = 16V to 40V
VIN = 0V to 28V
1. Dependant on output voltage.
3. Derate linearly to 0 at 135°C.
1X020DSF
-
-
300
-
-
500
µSec
-
300
600
mVPK
-
300
500
µSec
-
-
20
mSec
-
-
25
mVPK
2. Time for output voltage to settle within 1% of its nominal value.
4. Verified by qualification testing.
4
DVHV2800S Series
BLOCK DIAGRAM
PIN 1
T1
D1
PIN 5
28V IN
+V OUT
L1
C2
C1
Rs2
OUT COM
IN COM
PIN 4
PIN 10
Q1
UNDER
VOLTAGE
SHUTDOWN
PRIMARY
HOUSEKEEPING
SUPPLY
Rs1
PWM
CONTROL
VOLTAGE AND
CURRENT
AMPLIFIERS
MAGNETIC
FEEDBACK
TRIM
PIN 3
SECONDARY
HOUSEKEEPING
SUPPLY
INH
PIN 2
SYNC
PIN 9
Figure 2
CONNECTION DIAGRAM
1
5
28V IN
+V OUT
9
SYNC
28 Vdc
+
-
2
LOAD
INH
10
4
IN COM OUT COM
Figure 3
1X020DSF
5
DVHV2800S Series
INHIBIT DRIVE CONNECTION DIAGRAMS
Figure 4 – Internal Inhibit Circuit and Recommended Drive
Figure 5 – Isolated Inhibit Drive
(Shown with optional capacitor for turn-on delay)
(Shown with optional capacitor for turn-on delay)
EMI FILTER HOOKUP DIAGRAM
DVMC28 EMI FILTER
1
DVHV2800S DC-DC CONVERTER
2
28V IN
1
28V OUT
5
28V IN
+V OUT
9
SYNC
28 Vdc
+
-
2
5
IN COM
OUT COM
3
4
10
LOAD
INH
IN COM OUT COM
CASE
4
6, 7, 8
Figure 6 – Converter with EMI Filter
1X020DSF
6
DVHV2800S Series
PARALLEL CONNECTION DIAGRAM
DVMC28 EMI FILTER
1
28V IN
28V OUT
DVHV2800S DC-DC CONVERTER
2
1
28V IN
+V OUT
5
9
SYNC
28 Vdc
+
-
2
LOAD
INH
5
IN COM
OUT COM
4
10
IN COM OUT COM
4
3
6, 7, 8
CASE
CASE
1
DVHV2800S DC-DC CONVERTER
5
28V IN
+V OUT
9
SYNC
2
INH
10
IN COM OUT COM
4
6, 7, 8
CASE
Figure 7
1X020DSF
7
DVHV2800S Series
OUTPUT VOLTAGE TRIM
The output voltage can be trimmed down by
connecting a resistor between the TRIM pin
(PIN 3) and the +V OUT pin (PIN 5), or can
be trimmed up by connecting a resistor
between the TRIM pin (PIN 3) and the OUT
COM pin (PIN 4). The maximum trim range
is +10% up and –20% down. The
appropriate resistor values versus the
output voltage are given in the trim table
below.
Figure 8 – Output Voltage Trim
DVHV283R3S
DVHV2805S
DVHV285R2S
DVHV2812S
DVHV2815S
+VOUT (V)
RTRIM (Ω)
+VOUT (V)
RTRIM (Ω)
+VOUT (V)
RTRIM (Ω)
+VOUT (V)
RTRIM (Ω)
+VOUT (V)
RTRIM (Ω)
3.75
3.70
3.65
3.60
3.55
3.50
3.45
25.4k
32.5k
41.8k
54.2k
71.6k
98.2k
143.2k
5.5
5.4
5.3
5.2
5.1
5.0
4.9
19k
31.5k
52.3k
94k
219k
209k
5.7
5.6
5.5
5.4
5.3
5.2
5.1
23k
36.5k
59k
104k
239k
249.8k
13.2
13.0
12.8
12.6
12.4
12.2
12.0
5.93k
10.1k
16.5k
27.1k
48.4k
113.7k
-
16.75
16.50
16.25
16.00
15.75
15.50
15.25
0
1.67k
5k
10k
18.3k
35k
85k
3.40
3.35
3.30
3.25
3.20
3.15
3.10
236k
543k
102k
34.8k
10.5k
0
4.8
4.7
4.6
4.5
4.4
84k
42.3k
21.5k
9k
0
5.0
4.9
4.8
4.7
4.6
104k
55.4k
31.1k
16.5k
6.8k
11.8
11.6
11.4
11.2
11.0
10.8
10.6
10.4
10.2
10.0
9.8
9.6
437k
209k
132k
93k
69.5k
53.8k
42.6k
34.2k
27.6k
22.4k
18.1k
14.5k
15.00
14.75
14.50
14.25
14.00
13.75
13.50
13.25
13.00
12.75
12.50
12.25
475k
225k
142k
100k
75k
58.3k
46.4k
37.5k
30.6k
25k
20.5k
9.4
9.2
9.0
11.5k
8.88k
6.63k
12.00
16.7k
1X020DSF
8
DVHV2800S Series
EFFICIENCY PERFORMANCE CURVES (TCASE = 25°C, Full Load, Unless Otherwise Specified)
VIN = 28V
VIN = 40V
75
80
70
75
65
70
Efficiency (%)
Efficiency (%)
VIN = 16V
60
55
50
65
60
55
45
50
3
4
5
6
7
8
9
3
10
6
9
12
15
Output Pow er (W)
Output Power (W)
Figure 9 – DVHV283R3S
Figure 10 – DVHV2805S / DVHV285R2S
Efficiency (%) vs. Output Power (W)
Efficiency (%) vs. Output Power (W)
85
85
80
75
Efficiency (%)
Efficiency (%)
80
70
75
70
65
65
60
60
3
6
9
12
Output Pow er (W)
15
3
6
9
12
Output Power (W)
Figure 11 – DVHV2812S
Figure 12 – DVHV2815S
Efficiency (%) vs. Output Power (W)
Efficiency (%) vs. Output Power (W)
1X020DSF
15
9
DVHV2800S Series
EMI PERFORMANCE CURVES
(TCASE = 25°C, VIN = +28V ± 5%, Full Load, Unless Otherwise Specified)
Figure 13 – DVHV2800S without EMI Filter
Figure 14 – DVHV2800S with EMI Filter
1X020DSF
10
DVHV2800S Series
PACKAGE SPECIFICATIONS (NON-FLANGED, SOLDER SEAL)
TOP VIEW
SIDE VIEW
PIN
FUNCTION
1
28V IN
2
INHIBIT
3
TRIM
4
OUT COM
5
+V OUT
6
CASE
7
CASE
8
CASE
9
SYNC
10
IN COM
BOTTOM VIEW
Figure 15 – Non-Flanged, Solder Seal Tin Plated Package and Pinout (Not Used for /HB or Higher Screened Products)
(Dimensional Limits are ±0.005” Unless Otherwise Stated)
1X020DSF
11
DVHV2800S Series
PACKAGE SPECIFICATIONS (NON-FLANGED, SEAM SEAL)
TOP VIEW
SIDE VIEW
PIN
FUNCTION
1
28V IN
2
INHIBIT
3
TRIM
4
OUT COM
5
+V OUT
6
CASE
7
CASE
8
CASE
9
SYNC
10
IN COM
BOTTOM VIEW
Figure 16 – Non-Flanged, Seam Seal Package and Pinout
(Dimensional Limits are ±0.005” Unless Otherwise Stated)
1X020DSF
12
DVHV2800S Series
PACKAGE SPECIFICATIONS (FLANGED, SOLDER SEAL)
TOP VIEW
SIDE VIEW
PIN
FUNCTION
1
28V IN
2
INHIBIT
3
TRIM
4
OUT COM
5
+V OUT
6
CASE
7
CASE
8
CASE
9
SYNC
10
IN COM
BOTTOM VIEW
Figure 17 – Flanged, Solder Seal Tin Plated Package and Pinout (Not Used for /HB or Higher Screened Products)
(Dimensional Limits are ±0.005” Unless Otherwise Stated)
1X020DSF
13
DVHV2800S Series
PACKAGE SPECIFICATIONS (FLANGED, SEAM SEAL)
TOP VIEW
SIDE VIEW
PIN
FUNCTION
1
28V IN
2
INHIBIT
3
TRIM
4
OUT COM
5
+V OUT
6
CASE
7
CASE
8
CASE
9
SYNC
10
IN COM
BOTTOM VIEW
Figure 18 – Flanged, Seam Seal Package and Pinout
(Dimensional Limits are ±0.005” Unless Otherwise Stated)
1X020DSF
14
DVHV2800S Series
PACKAGE PIN DESCRIPTION
Pin
Function
Description
1
28V IN
Positive Input Voltage Connection
2
INHIBIT
Logic Low = Disabled Output. Connecting the inhibit pin to input common causes
converter shutdown.
Logic High = Enabled Output. Unconnected or open collector TTL.
3
TRIM
Trim Output Voltage to +10%, -20% of Nominal Value
4
OUT COM
Output Common Connection
5
+V OUT
Positive Output Voltage Connection
6
CASE
Case Connection
7
CASE
Case Connection
8
CASE
Case Connection
9
SYNC
Synchronization Signal
10
IN COM
Input Common Connection
1X020DSF
15
DVHV2800S Series
ENVIRONMENTAL SCREENING (Per MIL-STD-883 as referenced to MIL-PRF-38534, Class H)
Screening
MIL-STD-883
(No Suffix)
Extended
/ES
HB
/HB
Class H
/H
Class K
/K
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Standard
NonDestructive
Bond Pull
Method 2023
•
Internal
Visual
Method 2017, 2032
Internal Procedure
•
Temperature
Cycling
Method 1010, Condition C
Method 1010, -55°C to 125°C
•
Constant
Acceleration
Method 2001, 3000g, Y1 Direction
Method 2001, 500g, Y1 Direction
•
PIND
Method 2020, Condition A2
•
Pre Burn-In
Electrical
100% at 25°C
•
Burn-In
Method 1015, 320 hours at +125°C
Method 1015, 160 hours at +125°C
96 hours at +125°C
24 hours at +125°C
•
Final
Electrical
MIL-PRF-38534, Group A1
100% at 25°C
•
Hermeticity
Method 1014, Fine Leak, Condition A
Method 1014, Gross Leak, Condition C
-3
Dip (1 x 10 )
Radiography
Method 20123
External
Visual
Method 2009
Notes:
1X020DSF
1.
2.
3.
•
•
•
•
•
•
•
•
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100% R&R testing at –55°C, +25°C, and +125°C with all test data included in product shipment.
PIND test Certificate of Compliance included in product shipment.
Radiographic test Certificate of Compliance and film(s) included in product shipment.
16
DVHV2800S Series
ORDERING INFORMATION
DVHV
28
05
S
F
R
/HB
1
2
3
4
5
6
7
-
XXX
8
(1)
(2)
(3)
(4)
Product Series
Nominal Input
Voltage
Output Voltage
Number of Outputs
DVHV
28 Volts
28
3.3 Volts
5 Volts
5.2 Volts
12 Volts
15 Volts
3R3
05
5R2
12
15
Single
S
(5)
(6)
(7)
(8)
Package Option
Rad-Hard Option2
Screening Code1,3
Additional Screening
Code
None
F
Non-Flanged
Flanged
Notes:
1.
2.
3.
None
R
Standard
100 kRad
None
/ES
/HB
/H
/K
Standard
Extended
HB
Class H
Class K
Contact Sales
Contact the VPT Inc. Sales Department for availability of Class H (/H) or Class K (/K) qualified products.
VPT Inc. is not currently qualified to a DSCC certified radiation hardness assurance program.
VPT Inc. reserves the right to ship higher screened or SMD products to meet lower screened orders at our
sole discretion unless specifically forbidden by customer contract.
Please contact your sales representative or the VPT Inc. Sales Department for more information
concerning additional environmental screening and testing, different input voltage, output voltage,
power requirement, source inspection, and/or special element evaluation for space or other higher
quality applications.
1X020DSF
17
DVHV2800S Series
SMD (STANDARD MICROCIRCUIT DRAWING) NUMBERS
Standard Microcircuit
Drawing (SMD)
DVHV2800S Series
Similar Part Number
*T.B.D.
DVHV283R3S/H
DVHV283R3SF/H
*T.B.D.
DVHV2805S/H
DVHV2805SF/H
*T.B.D.
DVHV285R2S/H
DVHV285R2SF/H
*T.B.D.
DVHV2812S/H
DVHV2812SF/H
*T.B.D.
DVHV2815S/H
DVHV2815SF/H
Do not use the DVHV2800S Series similar part number for SMD product acquisition. It is listed for
reference only. For exact specifications for the SMD product, refer to the SMD drawing. SMD’s can be
downloaded from the DSCC website at http://www.dscc.dla.mil/programs/smcr/. The SMD number
listed above is for MIL-PRF-38534 Class H screening, standard gold plated lead finish, and no RHA
(Radiation Hardness Assurance) level. Please reference the SMD for other screening levels, lead
finishes, and radiation levels.
CONTACT INFORMATION
To request a quotation or place orders please contact your sales representative or the VPT Inc. Sales
Department at:
Phone:
Fax:
E-mail:
(425) 353-3010
(425) 353-4030
[email protected]
All information contained in this datasheet is believed to be accurate, however, no responsibility is assumed for possible errors
or omissions. The products or specifications contained herein are subject to change without notice.
1X020DSF
18
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