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Product Detailed Parameters
- Description：TRANS 4NPN QUAD 20-CLCC
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Transistor Type：4 NPN (Quad)
- Current - Collector (Ic) (Max)：-
- Voltage - Collector Emitter Breakdown (Max)：-
- Vce Saturation (Max) @ Ib, Ic：1V @ 50mA, 500mA
- Current - Collector Cutoff (Max)：10µA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：100 @ 150mA, 10V
- Power - Max：-
- Frequency - Transition：-
- Operating Temperature：-65°C ~ 200°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：20-CLCC
- Supplier Device Package：20-CLCC
- Grade：Military
- Qualification：MIL-PRF-19500/559
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Overview
The Microchip Technology 2N6989U/TR is a hermetically sealed, ceramic surface-mount device consisting of four silicon NPN transistors. It operates within a junction temperature range of -65°C to 200°C and complies with MIL-PRF-19500/559 standards. The component features a maximum collector-emitter voltage (VCEO) of 50V, a maximum collector current (IC) of 800mA, and a power dissipation rating of 1W. DC current gain (hFE) is specified at a minimum of 100 when tested at 150mA and 10V. The collector cutoff current (ICBO) is limited to 10nA, and the collector-emitter saturation voltage (VCE(sat)) is 1V maximum at 50mA base current and 500mA collector current.
Feature Summary
- Hermetically sealed ceramic construction for environmental protection
- Quad NPN transistor configuration in a compact surface-mount package
- Qualified to MIL-PRF-19500/559 military reliability standards
Applications
- General switching circuits
- Amplification stages
- Signal processing systems
- Radio transmission equipment
- Logic gate implementations
Procurement Notes
Verify that the specific suffix /TR indicates tape-and-reel packaging if reel handling is required for assembly. Confirm that the MIL-PRF-19500/559 qualification status is explicitly stated on the manufacturer's certificate of compliance. Ensure the ordering part number matches the exact electrical specifications required for the design, as suffixes may alter packaging or screening levels without changing the core device function.
Selection Notes
Select this component when a hermetically sealed, high-temperature capable quad NPN array is required for space-constrained designs. The 2N6989U/TR serves as a surface-mount alternative to through-hole packages like TO-116, offering similar electrical performance while minimizing board area and device weight. Verify that the 50V VCEO and 800mA IC ratings align with the circuit's maximum operating conditions.
Part Context
The 2N6989U is part of a family of quad NPN transistors designed for military and aerospace applications. It shares functional similarities with other small-signal devices but is distinguished by its hermetic ceramic packaging and extended temperature range. The component is often compared to standard NPN transistors like the 2N2222A but offers superior ruggedness and thermal stability for harsh environments.
Replacement Considerations
Publicly confirmed substitute part numbers include the TT Electronics 2N6989UTX and 2N6989UTXV, which are also hermetically sealed ceramic surface-mount quad NPN transistors processed per MIL-PRF-19500/559.
