1 of 11
PRODUCT NAME :
RELAY HER DPDT 1A@ 28VDC
BEL PART NUMBER :
4680 117 602 76
TECHNICAL SPECIFICATIONS :
FUNCTIONAL DESCRIPTION:
RELAY Non polarized, non latching hermetically
sealed 2 PDT, 1 AMP
QUALITY REQUIREMENT:
MIL-PRF-39016/34
CECC16101-023
2 of 11
PRODUCT NAME :
RELAY - NONLATCH
3 PST, 25 AMP + 1 PDT, 2 AMP
BEL PART NUMBER :
4680 117 701 70
TECHNICAL SPECIFICATIONS :
FUNCTIONAL DESCRIPTION:
RELAY - NONLATCH
3 PSTNO, 25 AMP + 1 PDT, 2 AMP
QUALITY REQUIREMENT:
MIL-R-6106 / 13
3 of 11
PRODUCT NAME :
RELAY - NONLATCH
3 PDT, 10 AMP
BEL PART NUMBER :
4682 132 601 22
TECHNICAL SPECIFICATIONS :
FUNCTIONAL DESCRIPTION:
RELAY - NONLATCH
3 PDT, 10 AMP
QUALITY REQUIREMENT:
MIL-R-83536/21
4 of 11
PRODUCT NAME :
RELAY - NONLATCH
3 PST, 25 AMP + 1 PDT, 2 AMP
BEL PART NUMBER :
4682 132 701 13
TECHNICAL SPECIFICATIONS :
FUNCTIONAL DESCRIPTION:
RELAY - NONLATCH
3 PDT, 25 AMP
QUALITY REQUIREMENT:
MS27743
5 of 11
PRODUCT NAME :
RELAY - NONLATCH
6 PDT, 10 AMP
BEL PART NUMBER :
4680 118 203 19
TECHNICAL SPECIFICATIONS :
FUNCTIONAL DESCRIPTION:
RELAY NON-LATCH, 6 PDT / 10 AMP
RELAIS MONOSTABLE, 6 RT / 10 A
QUALITY REQUIREMENT:
MIL83536/25,26
6 of 11
PRODUCT NAME :
RELAY HER DPDT 1A 28V
BEL PART NUMBER :
4680 117 601 79
TECHNICAL SPECIFICATIONS :
FUNCTIONAL DESCRIPTION:
RELAY - NONLATCH
2 PDT, 1 AMP
QUALITY REQUIREMENT:
MIL-PRF-39016/34
7 of 11
PRODUCT NAME :
EMI FILTER
BEL PART NUMBER :
4530 135 301 63
TECHNICAL SPECIFICATIONS :
FUNCTIONAL DESCRIPTION:
EMI/EMC FILTER -40 TO +40VDC 15A 9W
QUALITY REQUIREMENT:
MIL-STD-461C
8 of 11
PRODUCT NAME :
DC-DC CONVERTER
28V-05V
BEL PART NUMBER :
4579 192 001 12
TECHNICAL SPECIFICATIONS :
FUNCTIONAL DESCRIPTION:
DC-DC CONVERTER 16-40V I/P ,5V O/P,10A, 50W
QUALITY REQUIREMENT:
MIL-STD-704D
9 of 11
PRODUCT NAME :
DC-DC CONVERTER
28-28V
BEL PART NUMBER :
4579 192 002 09
TECHNICAL SPECIFICATIONS :
FUNCTIONAL DESCRIPTION:
DC-DC CONVERTER 16-40V I/P,28VO/P,2.32A, 65W
QUALITY REQUIREMENT:
MIL-STD-704D
10 of 11
PRODUCT NAME :
INTEGRATED LIGHT PLATE ASSY.
BEL PART NUMBER :
1100 020 966 01
(3600 191 801 80)
TECHNICAL SPECIFICATIONS :
Internal lighting will be provided by an integrated light
plate for illuminating the legends. The power for the
lamps will be the supplied by the aircraft DC internal
lighting supply through cockpit light control arrangement
(28V DC Typ.).
FUNCTIONAL DESCRIPTION:
Internal Lighting will be provided by an integrated light
plate.
QUALITY REQUIREMENT:
MIL STD
11 of 11
PRODUCT NAME :
MULTI-DIRECTIONAL CONTROL
SWITCH,
A) NORMAL SELECTION
B) ROLL RIGHT AND LEFT TRIM
C) PITCH UP AND DOWN TRIM
BEL PART NUMBER :
4713 116 201 54
TECHNICAL SPECIFICATIONS :
FUNCTIONAL DESCRIPTION:
Hand operating toggle switch with snap action contact
mechanism.
QUALITY REQUIREMENT:
MIL STD
PRODUCT INDIGENIZATION
PRODUCT NAME : AlSiC Heatsink
BEL Part Number : 3830 120 401 01
AlSiC heat sink size : 9.085 in x 6.6 in x 0.075 in, Wt.211g
Technical Specification:
Density: The bulk density shall be 0.111 +/- 9% Ib/in3.
Tensile Elastic (young's) Modulus: The tensile elastic
modulus shall be 24x106 psi minimum.
Coefficient of Thermal Expansion: The mean
coefficient of thermal expansion (CTE) of the material
over the temperature range of -55°C to 125°C shall be
7.0 +/- 1.5 ppm/deg.C.
Thermal Conductivity: The thermal conductivity of the
material shall be 157 watts per meter per Kelvin
minimum at 25°C.
Functional Description: Aluminium Silicon Carbide (AlSiC) metal matrix composite (MMC) materials have a unique set of
material properties that are ideally suited for flight critical electronic packaging applications. The AlSiC coefficient of thermal
expansion (CTE) value is compatible for Ceramic and Plastic BGA packages. The AlSiC heat sink is used as sandwiched core
between polyimide laminate PCBs.
Quality Requirement:
ASTM D792: Standard Test Methods for Density and Specific Gravity of Plastics by Displacement.
ASTM E228: Standard Test Method for Linear Thermal Expansion of Solid Materials with a Vitreous Silica Dilatometer
ASTM E494: Standard Practice for Measuring Ultrasonic Velocity in Materials
ASTM E831: Standard Test Method for Linear Thermal Expansion of Solid Materials by Thermo mechanical Analysis
PRODUCT INDEGINISATION-EW1
PRODUCT NAME : DISPLAY UNITBEL PART NUMBER : 4468 108 801 01
Size : Behind installation plane: 101x 101 x 115mmFront of installation plane: 105 X 105 X 10mm
Weight : <1.5 Kg
TECHNICAL SPECIFICATIONS :• Display Area: 68mm x 68mm
• Display resolution: 196 dots per inch, 480x480 pixels
• Backlight: LED
• Start up time: < 10s
• LCD Response Time: < 35ms
• Viewing Angle:
DEP (Design Eye Point) : 0°H/0°V
PVE (Primary Viewing Envelope) :+ 30°H , +45° /-30°V
EVE (Extended Viewing Envelope) :+ 60°H , +45° /-40°V
• Integral optical sensor: Range is 0.1 to 8000 Ft/cd
• Luminance (Bezel): Maximum luminance of each keyinscription is within 3.43 ± 1.72 Cd/m2 (1 Ft Lb ± 0.5)
• Night Vision capability: As per MIL-STD-3009 Class B
• Interface: RS422, Discrete
• Bonding Resistance: <2.5mohm
• Power Supply: 28VDC, <25W, MIL-STD-704E compliant
FUNCTIONAL DESCRIPTION: The 3ATI Display Unit is a high-end, versatile display for use in aircraft cockpit. The display incorporateshigh performance, low power components with technologies like LED backlight, RS422 & Fan less operation and superior graphicscapabilities. The Display Unit receives the processed symbol display data on RS422 channel from the I/O Controller. It also transmitsback the pushbutton selection commands to I/O Controller. It displays symbols on 480 x 480 pixels AMLCD. It performs its built-in selftest during POWER-ON and when requested by the I/O Controller and sends the status report to I/O Controller. The Man MachineInterface (MMI) is implemented using Bezel.
QUALITY REQUIREMENT: MIL-STD-461E & MIL-STD-810F compliant
PRODUCT INDEGINISATION-EW2
PRODUCT NAME : ATTITUDE REFERENCE UNIT (ARU)BEL PART NUMBER : 4743 109 002 15
Size : (152.4x127x110)mmWeight : < 2.0 Kg
TECHNICAL SPECIFICATIONS :• Technology: 3 Fiber-optic based angular rate sensors, 3
MEMS based accelerometers• Update Rate:>100Hz• Start up time including BIT: < 1 sec• Heading (relative): Range: ±180°, Resolution: <0.1 deg• Attitude: Range: Roll, Pitch: ±180°, ±90°, Resolution:
<0.1 deg, Static Accuracy: < 1.5 deg (pk-pk), DynamicAccuracy: ≤2.5 deg (rms)
• Angular rate: Range: Roll, pitch, yaw: ±200deg/sBias: Roll, Pitch, Yaw: <0.3 deg/sec (pk-pk)
• Acceleration: Range: ±4gBias: X, Y and Z: <24mg (pk-pk)
• Bonding Resistance: <2.5mohm• Interface: RS422, 38400 bits/sec baud rate• Power Supply: 16-32V, <9W, MIL-STD-704E compliant
FUNCTIONAL DESCRIPTION: Attitude Reference Unit (ARU) is a six-axis Dynamic Measurement Unit for measurement of linearacceleration and rotation rates along / around three orthogonal axes (X, Y & Z). It uses accelerometers and angular rate sensors forthe purpose. ARU measures rates of pitch, roll and yaw; calculates roll, pitch, yaw and relative heading angle.
QUALITY REQUIREMENT: MIL-STD-461D/F & MIL-STD-810E/G compliant.
PRODUCT INDEGINISATION-EW3
PRODUCT NAME : AC-DC CONVERTERBEL PART NUMBER : 4579 158 501 20
Size : (152.4x147x31.7)mmWeight : 1.2Kg (max)
TECHNICAL SPECIFICATION :• Input Voltage: 115VAC, 400Hz , 3Ph
• Output Voltages:Supplyvoltage
CurrentRating
O/P VoltageTolerance
RippleLimit (mV)
+5.0V 15.0A 4.85V TO 5.15V 50+3.3V 6.0A 3.20V TO 3.40V 30+13.0V 9.0A 12.61V TO 13.39V 130-13.0V 3.0A -13.39V TO -
12.61V130
+8.5V 6.5A 8.245V TO 8.755V 85-8.5V 2.0A -8.755V TO -
8.245V85
-5.0V 2.5A -5.15V TO -4.85V 50
FUNCTIONAL DESCRIPTION: AC-DC converter is a regulated power supply. Input to this module is 115V 400Hz 3 Phase AC. It providesDC outputs as mentioned above.
QUALITY REQUIREMENT: MIL-STD-461D & MIL-STD-810D compliant.
PRODUCT INDEGINISATION – EW4
PRODUCT NAME : DIGITAL INSTANTANEOUS FREQUENCY MEASUREMENT UNIT(DIFM)
BEL PART NUMBER : 4556 111 301 20
SIZE : 152 mm (L) X 147mm (W) X 30mm (H)
Weight: < 1.55 kg
TECHNICAL SPECIFICATIONS :
• Operating Frequency Range: 1.955 GHz to 18.045 GHz
• Frequency Resolution: 3.93MHz
• Digital Frequency Resolution: 12 Bits
• Clock Rate: 10MHz to 50MHz
• Throughput time: 106ns to 139ns
• RF Input Dynamic Range: -50dBm to 10dBm
• RF Input Pulse Width: 50ns to CW
• RF input VSWR: 2.2: 1 Max
• Frequency Error (RMS) for 0dB SNR: 5.6MHz
• Frequency Peak Error: 15MHz
• Power Consumption: 25W Max.
FUNCTIONAL DESCRIPTION : DIFM (Digital Instantaneous Frequency Measurement) unit is a microwave sub-module used formeasuring frequency of input RF signals in the range of 2GHz to 18GHz. The unit measures pulsed & CW RF signals and outputsfrequency data with 12-bit resolution. The RF input connection is made via a SMA connector and the frequency data is output through aminiature D type connector. Input and output signals are LVDS compatible. Conducts self-test and provides health status.
QUALITY REQUIREMENT : Compliance to MIL-STD-461C and MIL-STD-810F
PRODUCT INDEGINISATION-EW5
PRODUCT NAME : QUAD DOWN CONVERTER MODULE (QDCM)
BEL PART NUMBER : 9957 984 974 37
Size : 233.35mm (L) X 150mm (W) X 30mm (H)
Weight : <1 Kg (max)
TECHNICAL SPECIFICATIONS :
• RF Input Frequency range: 0.15 to 4.15 GHz
• RF Input Power level : -50 to +15 dBm
• IF Output Frequency range: 0.15 to 2.15 GHz
• IF output Power level: Linear IF output of -50 to +15dBm (without attenuation), -65 to 0 dBm (with 15 dBattenuation)
• Harmonics, LO rejection and Image rejection: < -55 dBc
• Spurious Output level: < -68 dBm
• RF Input Pulse width: 50ns to CW
• Noise Figure: 6 dB max
• Input & Output VSWR: 2:1 max
• Number of input ports: 4 Nos.
• Number of output port: 8 Nos.
• Power supply input: 12V, 1.0 A max
FUNCTIONAL DESCRIPTION :
QDCM is a RF sub module used for down converting input frequency in the range of 0.15-4.15GHz to output frequency of 0.15-2.15 GHz (linear IF output with dynamic range of 65 dB). This module has 4 input ports and 8 output ports. Each input portfrequency is divided into two paths viz., 0.15GHz-2.15GHz and 2.15GHz-4.15GHz. Frequency of 0.15 to 2.15GHz will pass tooutput port after amplification and through digitally controlled attenuator. Frequency of 2.15GHz to 4.15GHz will pass to outputport after down conversion, amplification and through digitally controlled attenuator.
QUALITY REQUIREMENT : Compliance to MIL-STD-810F and MIL-STD-461F.
PRODUCT INDEGINISATION-EW6
PRODUCT NAME : RADOME FOR TRANSMITTING ANTENNA-FWDBEL PART NUMBER : 4768 104 601 38
SIZE : 346x250x82mm,Wt: 450 g
TECHNICAL SPECIFICATION :
Parameter SpecificationFrequency 5.5GHz to 18GHzInsertion Loss Better than 2dBVSWR (with antenna) 2.5:1 MaxPower handling 200W Max CW
FUNCTIONAL DESCRIPTION :To protect the Transmitting Antenna from external aerodynamic loads and environmental loads without degrading the electricalperformance of the antenna. It will be installed on a fighter aircraft enclosing high power transmitting antenna. It is required to beoperated continuously at a temperature of +120°C and at +150°C for 3 minutes.
QUALITY REQUIREMENT : Mil - Std 810 F for Airborne Qualification
PRODUCT INDEGINISATION-EW7
PRODUCT NAME : RADOME FOR TRANSMITTING ANTENNABEL PART NUMBER : 4768 104 001 92
SIZE : DIA76 x 70mm,Wt: 200g
TECHNICAL SPECIFICATION :
Parameter SpecificationFrequency 5.5GHz to 18GHzInsertion Loss Better than 2dBVSWR (with antenna) 2.5:1 MaxPower handling 200W Max CW
FUNCTIONAL DESCRIPTION :To protect the Transmitting Antenna from external aerodynamic loads and environmental loads without degrading the electricalperformance of the antenna. It will be installed on a fighter aircraft enclosing high power transmitting antenna. It is required to beperated continuously at a temperature of +120°C and at +150°C for 3 minutes.
QUALITY REQUIREMENT : Mil - Std 810 F for Airborne Qualification
PRODUCT INDEGINISATION-EW8
PRODUCT NAME : DUAL ANTENNA WITH RADOME
BEL PART NUMBER : 1100 021 448 10
SIZE : Diameter : 90mmHeight : 227mm
Wt : 900 grams
TECHNICAL SPECIFICATION :
S.N SPECIFICATION DESCRIPTION1. Frequency range 1.0-18GHz2. VSWR 2.5:13. POLARISATION LEFT HAND CIRCULAR (LHCP)4. AXIAL RATIO 3dB at 0°& 4.5dB at 45°5. GAIN -16dBic at 1GHz & 4dBic AT 2GHz to
4GHz , 0dBic &4-18GHz6. AMPLITIDE TRACKING
(for a batch of 40Antennas & from batchto batch)
1.0db RMS at BORESIGHT & 1.5 AT 45°
7. 3dB Beam width 70° Minimum8. Beam squint ±5°
FUNCTIONAL DESCRIPTION : Passive Antenna operating in 1-18 Frequency range as front end to Radar Warning Receiversystem.
QUALITY REQUIREMENT : As Per Mil STD 810 F
PRODUCT INDEGINISATION-EW9
PRODUCT NAME : SINGLE ANTENNA WITH RADOMEBEL PART NUMBER : 1100 021 449 07
SIZE : Diameter : 90mmHeight : 155mm
Wt : 600 grams
TECHNICAL SPECIFICATION :
S.N SPECIFICATION DESCRIPTION1. Frequency range 1.0-18GHz2. VSWR 2.5:13. POLARISATION LEFT HAND CIRCULAR (LHCP)4. AXIAL RATIO 3dB at 0°& 4.5dB at 45°5. GAIN -16dBic at 1GHz & 4dBic AT 2GHz to
4GHz , 0dBic &4-18GHz6. AMPLITIDE TRACKING
(for a batch of 40Antennas & from batchto batch)
1.0db RMS at BORESIGHT & 1.5 AT 45°
7. 3dB Beam width 70° Minimum8. Beam squint ±5°
FUNCTIONAL DESCRIPTION : Passive Antenna operating in 1-18 Frequency range as front end to Radar Warning Receiversystem.QUALITY REQUIREMENT : As Per Mil STD 810 F
PRODUCT INDEGINISATION-EW10
PRODUCT NAME : EQUALISER
BEL PART NUMBER : 4556 111 201 29
Size : 80x30x28mmWt : 135grams
TECHNICAL SPECIFICATION :
Number of Equalizer Channels:4
Frequency Range: 1-18GHzInput Power Handling Capability: 1 Watt (+30dBm)Insertion Loss at 1GHz: 13.5 dBInsertion Loss at 18GHz: 1.6 dBRipple: ±1.3dB (MAX)VSWR: 2.0:1
FUNCTIONAL DESCRIPTION:Equalizer is a microwave component having four input ports and four output ports. Its operating frequency range is 1 GHz to18 GHz. It is used between RFU and MASS unit of SPU to achieve constant RF power at the input of MASS over frequencyrange.QUALITY REQUIREMENT : Mil-Std-810F, Airborne
PRODUCT INDEGINISATION-EW11
PRODUCT NAME : DUAL FRONT END AMPLIFIER
BEL PART NUMBER : 1100 021 446 16
SIZE (L x W x H) : 86.4mm X 101.1mm X 30.5mmWt 800grams
TECHNICAL SPECIFICATION :
Frequency Range : 1-18GHzRF input Range : -65dBm to 0dBmSmall Signal Gain : 21.5 dB ± 2.25dBNoise Figure : 10 dB (nom);
11.5 dB (max)Input 1dB compression point : +1dBmInput Power Handling Capability: +30dBm (CW)
+50dBm (Pulsed)Isolation : 65dB(Min), 70dB(Nom)Harmonics (at 0dB i/p) : -20dBc min (2nd Harmonic),
-25dBc min(3rd Harmonic)Switching speed :<85nsMax VSWR : 2.5:1
FUNCTIONAL DESCRIPTION :The Front-End Amplifier (FEA) module is an essential requirement for the Electronic Warfare receiver systems for high dynamic rangeand better sensitivity. FEAs are placed in the near vicinity of antennae receiving the electromagnetic signals from the radars foramplifying the weak signals received by the antennae before sending these signals to the processor bay by using long coaxial RFcables, which have very high losses especially at higher radio frequencies
QUALITY REQUIREMENT : Mil-Std-810F, Airborne
PRODUCT INDEGINISATION-EW12
PRODUCT NAME : POWER DIVIDER-4 WAY
BEL PART NUMBER : 4545 105 701 57
SIZE(L x W x H) : 70.2mm X 50.8mm X 9.7mmWt : 80grams
TECHNICAL SPECIFICATION :
Frequency Range : 4-18GHzVSWR : 1.70:1 (max)Isolation : 15dBInsertion Loss : 1.2dB(max)Maximum I/P power :8watts
FUNCTIONAL DESCRIPTION :
Power divider is a RF component which distributes incoming RF signals in N-way outputs.
QUALITY REQUIREMENT : Mil-Std-810F, Airborne
PRODUCT INDEGINISATION-EW13
PRODUCT NAME : POWER DIVIDER-2 WAY
BEL PART NUMBER : 4545 108 801 69
SIZE(L x W x H) : 76.6mm X 25.4mm X 9.7mmWt : 45grams
TECHNICAL SPECIFICATION :
Frequency Range : 2-18GHzVSWR : 1.60:1 (max)Isolation : 17dBInsertion Loss : 1.0dB(max)Maximum I/P power : 10watts
FUNCTIONAL DESCRIPTION :Power divider is a passive RF component which distributes incoming RF signals into N-way outputs.
QUALITY REQUIREMENT : Mil-Std-810F , Airborne
PRODUCT INDEGINISATION-14
PRODUCT NAME : FRONT END RECEIVER (FER)BEL PART NUMBER : 9957 984 639 65
Size : 130mm(L) x 95mm(W) x 30mm(H)
Weight : <1 Kg
TECHNICAL SPECIFICATIONS :
• RF Input Frequency range: 1 to 18 GHz• RF Input Power level : -65 to 0 dBm• IF output Frequency range: 0.3 to 4.3 GHz• IF output Power level: Linear IF output of -50 to +15
dBm (without attenuation) ,-65 to 0 dBm (with 15 dBattenuation)
• Harmonics, LO rejection, and Image rejection < -55 dBc• Spurious Output level:< -68 dBm• RF input Pulse width: 50ns to CW• Isolation between I/P Antenna & BIT port to O/P: 70 dB• Channelization : into 6 bands• Noise Figure: 8 dB max• Switching time: 10ns(max)• Input & Output VSWR: 2 : 1 max• Number of input ports: 2 Nos. (RF IN, BIT IN)• Number of output port: 1 No. (RF OUT)• Power supply inputs: 12V, 1.25A max
FUNCTIONAL DESCRIPTION : FER is a RF sub module which channelizes the signals received in 1GHz to 18GHz range intosix bands viz., 1GHz to 2.3GHz (Band1), 2 .3GHz to 4GHz (Band 2), 4GHz to 8GHz (Band 3), 8GHz to 12GHz (Band 4),12GHz to 16GHz (Band 5) and 16GHz to 18GHz (Band 6). It performs amplification, signal detection in each band, DownConversion of RF input in the range of 4 to 18GHz to 0.3 to 4.3 GHz , logic for switch control and LO frequencygeneration. Based on the band control lines set by the Processing Unit to FER, RF signals received are amplified andconverted to video signals, which are then sent to the Processing Unit for further processing.
QUALITY REQUIREMENT: Compliance to MIL-STD-810F and MIL-STD-461F.